us-gaap |
Operating Lease, Right-of-Use Asset |
Amount of lessee's right to use underlying asset under operating lease. |
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us-gaap |
Repayments of Long-term Debt |
The cash outflow for debt initially having maturity due after one year or beyond the normal operating cycle, if longer. |
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us-gaap |
Asset Retirement Obligation, Liabilities Incurred |
Amount of asset retirement obligations incurred during the period. |
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|
us-gaap |
Finance Lease, Principal Payments |
Amount of cash outflow for principal payment on finance lease. |
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|
dei |
Entity Common Stock, Shares Outstanding |
Indicate number of shares or other units outstanding of each of registrant's classes of capital or common stock or other ownership interests, if and as stated on cover of related periodic report. Where multiple classes or units exist define each class/interest by adding class of stock items such as Common Class A [Member], Common Class B [Member] or Partnership Interest [Member] onto the Instrument [Domain] of the Entity Listings, Instrument. |
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dei |
Entity Number of Employees |
Number of persons employed by the Entity |
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dei |
Entity Public Float |
The aggregate market value of the voting and non-voting common equity held by non-affiliates computed by reference to the price at which the common equity was last sold, or the average bid and asked price of such common equity, as of the last business day of the registrant's most recently completed second fiscal quarter. |
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us-gaap |
Accounts Payable, Current |
Carrying value as of the balance sheet date of liabilities incurred (and for which invoices have typically been received) and payable to vendors for goods and services received that are used in an entity's business. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer). |
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us-gaap |
Accounts Receivable, before Allowance for Credit Loss, Current |
Amount, before allowance for credit loss, of right to consideration from customer for product sold and service rendered in normal course of business, classified as current. |
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us-gaap |
Accounts Receivable, after Allowance for Credit Loss, Current |
Amount, after allowance for credit loss, of right to consideration from customer for product sold and service rendered in normal course of business, classified as current. |
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|
us-gaap |
Accrual for Environmental Loss Contingencies |
Total costs accrued as of the balance sheet date for environmental loss contingencies. |
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us-gaap |
Accrual for Environmental Loss Contingencies, Charges to Expense for New Losses |
Amount of expense for newly incurred environmental loss contingencies. Includes, but is not limited to, remediation expense and interest accretion. |
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us-gaap |
Accrual for Environmental Loss Contingencies, Increase (Decrease) for Acquisitions and Divestitures |
Amount of increase (decrease) in the obligation for environmental loss contingencies from business acquisitions (divestitures). |
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us-gaap |
Accrual for Environmental Loss Contingencies, Payments (Deprecated 2016-01-31) |
The aggregate amount disbursed during the reporting period to settle environmental loss contingencies. |
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us-gaap |
Accrual for Environmental Loss Contingencies, Payments |
Amount of cash outflow to settle environmental loss contingencies. |
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us-gaap |
Accrual for Environmental Loss Contingencies, Provision for New Losses (Deprecated 2016-01-31) |
The amount added to the accrual for newly incurred environmental loss contingencies. These additions include remediation expense and interest accretion. These additions do not relate to changes in the environmental accrual related to a business acquisition or divestiture, to currency movements, or revisions in previously existing estimates. |
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us-gaap |
Accrued Environmental Loss Contingencies, Noncurrent |
Carrying value of the obligation (known or estimated) arising from requirements to perform activities to remediate one or more sites, payable after twelve months or beyond the next operating cycle if longer. |
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us-gaap |
Accumulated Deferred Investment Tax Credit |
The noncurrent portion of the reserve for accumulated deferred investment tax credits as of the balance sheet date. This is the remaining investment credit, which will reduce the cost of services collected from ratepayers by a ratable portion over the investment's regulatory life. |
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us-gaap |
Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment |
Amount of accumulated depreciation, depletion and amortization for physical assets used in the normal conduct of business to produce goods and services. |
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us-gaap |
Additional Collateral, Aggregate Fair Value |
The aggregate fair value of additional assets that would be required to be posted as collateral for derivative instruments with credit-risk-related contingent features if the credit-risk-related contingent features were triggered at the end of the reporting period. |
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us-gaap |
Additional Paid in Capital, Common Stock |
Value received from shareholders in common stock-related transactions that are in excess of par value or stated value and amounts received from other stock-related transactions. Includes only common stock transactions (excludes preferred stock transactions). May be called contributed capital, capital in excess of par, capital surplus, or paid-in capital. |
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us-gaap |
Segment Reporting Information, Expenditures for Additions to Long-Lived Assets (Deprecated 2013-01-31) |
Total expenditures for additions to long-lived assets other than financial instruments, long-term customer relationships of a financial institution, mortgage and other servicing rights, deferred policy acquisition costs, and deferred tax assets of the reportable segment; if the amount: (a) is included in the determination of segment assets reviewed by the chief operating decision maker or (b) is otherwise regularly provided to the chief operating decision maker, even if not included in the determination of segment assets. |
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us-gaap |
Adjustments to Additional Paid in Capital, Equity Component of Convertible Debt, Subsequent Adjustments |
The amount of subsequent adjustments to additional paid in capital for convertible financial instruments where a component of equity and a component of debt are recognized. |
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us-gaap |
Adjustments to Additional Paid in Capital, Income Tax Benefit from Share-based Compensation |
Amount of increase in additional paid in capital (APIC) resulting from a tax benefit associated with share-based compensation plan other than an employee stock ownership plan (ESOP). Includes, but is not limited to, excess tax benefit. |
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us-gaap |
Share-based Payment Arrangement, Expense |
Amount of expense for award under share-based payment arrangement. Excludes amount capitalized. |
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us-gaap |
Accounts Receivable, Allowance for Credit Loss |
Amount of allowance for credit loss on accounts receivable. |
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us-gaap |
Accounts Receivable, Allowance for Credit Loss, Current |
Amount of allowance for credit loss on accounts receivable, classified as current. |
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us-gaap |
Accounts Receivable, Allowance for Credit Loss, Recovery |
Amount of increase in allowance for credit loss on accounts receivable, from recovery. |
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us-gaap |
Accounts Receivable, Allowance for Credit Loss, Writeoff |
Amount of direct write-downs of accounts receivable charged against the allowance. |
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us-gaap |
Amortization of Intangible Assets |
The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method. |
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us-gaap |
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount |
Securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) or earnings per unit (EPU) in the future that were not included in the computation of diluted EPS or EPU because to do so would increase EPS or EPU amounts or decrease loss per share or unit amounts for the period presented. |
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us-gaap |
Asset Impairment Charges |
Amount of write-down of assets recognized in the income statement. Includes, but is not limited to, losses from tangible assets, intangible assets and goodwill. |
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us-gaap |
Asset Retirement Obligation |
The carrying amount of a liability for an asset retirement obligation. An asset retirement obligation is a legal obligation associated with the disposal or retirement of a tangible long-lived asset that results from the acquisition, construction or development, or the normal operations of a long-lived asset, except for certain obligations of lessees. |
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us-gaap |
Asset Retirement Obligation, Accretion Expense |
Amount of accretion expense recognized during the period that is associated with an asset retirement obligation. Accretion expense measures and incorporates changes due to the passage of time into the carrying amount of the liability. |
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us-gaap |
Asset Retirement Obligation, Revision of Estimate |
Amount of increase (decrease) in the asset retirement obligation from changes in the amount or timing of the estimated cash flows associated with the settlement of the obligation. |
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us-gaap |
Asset Retirement Obligations, Noncurrent |
Noncurrent portion of the carrying amount of a liability for an asset retirement obligation. An asset retirement obligation is a legal obligation associated with the disposal or retirement of a tangible long-lived asset that results from the acquisition, construction or development, or the normal operations of a long-lived asset, except for certain obligations of lessees. |
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us-gaap |
Assets |
Sum of the carrying amounts as of the balance sheet date of all assets that are recognized. Assets are probable future economic benefits obtained or controlled by an entity as a result of past transactions or events. |
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us-gaap |
Assets, Current |
Sum of the carrying amounts as of the balance sheet date of all assets that are expected to be realized in cash, sold, or consumed within one year (or the normal operating cycle, if longer). Assets are probable future economic benefits obtained or controlled by an entity as a result of past transactions or events. |
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us-gaap |
Assets, Noncurrent |
Sum of the carrying amounts as of the balance sheet date of all assets that are expected to be realized in cash, sold or consumed after one year or beyond the normal operating cycle, if longer. |
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us-gaap |
Assets, Noncurrent, Other than Noncurrent Investments and Property, Plant and Equipment |
Sum of the carrying amounts as of the balance sheet date of all assets, excluding property, plant, and equipment and other property and investments, that are expected to be realized in cash, sold or consumed after one year or beyond the normal operating cycle, if longer. Alternate captions include Total Deferred Charges and Other Assets. |
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us-gaap |
Disposal Group, Including Discontinued Operation, Assets |
Amount classified as assets attributable to disposal group held for sale or disposed of. |
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us-gaap |
Disposal Group, Including Discontinued Operation, Assets, Current |
Amount classified as assets attributable to disposal group held for sale or disposed of, expected to be disposed of within one year or the normal operating cycle, if longer. |
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us-gaap |
Debt Securities, Available-for-sale |
Amount of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale). |
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|
us-gaap |
Business Acquisition, Pro Forma Earnings Per Share, Basic |
The pro forma basic net income per share for a period as if the business combination or combinations had been completed at the beginning of a period. |
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us-gaap |
Business Acquisition, Goodwill, Expected Tax Deductible Amount |
The amount of goodwill arising from a business combination that is expected to be deductible for tax purposes. |
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us-gaap |
Business Acquisition, Pro Forma Net Income (Loss) |
The pro forma net Income or Loss for the period as if the business combination or combinations had been completed at the beginning of a period. |
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us-gaap |
Business Acquisition, Pro Forma Revenue |
The pro forma revenue for a period as if the business combination or combinations had been completed at the beginning of the period. |
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us-gaap |
Business Combination, Pro Forma Information, Earnings or Loss of Acquiree since Acquisition Date, Actual |
This element represents the amount of earnings or loss of the acquiree since the acquisition date included in the consolidated income statement for the reporting period. |
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us-gaap |
Business Combination, Pro Forma Information, Revenue of Acquiree since Acquisition Date, Actual |
This element represents the amount of revenue of the acquiree since the acquisition date included in the consolidated income statement for the reporting period. |
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us-gaap |
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Assets |
Amount of assets acquired at the acquisition date. |
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us-gaap |
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Assets, Receivables |
Amount due from customers or clients for goods or services, including trade receivables, that have been delivered or sold in the normal course of business, and amounts due from others, including related parties expected to be converted to cash, sold or exchanged within one year or the normal operating cycle, if longer, acquired at the acquisition date. |
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us-gaap |
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Liabilities, Accounts Payable |
Amount of liabilities incurred for goods and services received that are used in an entity's business and related party payables, assumed at the acquisition date. |
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us-gaap |
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Liabilities, Other |
Amount of other liabilities due within one year or within the normal operating cycle, if longer, assumed at the acquisition date. |
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us-gaap |
Business Combination Recognized Identifiable Assets Acquired and Liabilities Assumed, Deferred Tax Assets |
Amount of deferred tax asset attributable to deductible temporary differences and carryforwards acquired at the acquisition date. |
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us-gaap |
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Property, Plant, and Equipment |
The amount of property, plant, and equipment recognized as of the acquisition date. |
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us-gaap |
Business Combination, Step Acquisition, Equity Interest in Acquiree, Remeasurement Gain |
In a business combination achieved in stages, this element represents the amount of gain recognized by the entity as a result of remeasuring to fair value the equity interest in the acquiree it held before the business combination. |
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us-gaap |
Capital Expenditures Incurred but Not yet Paid |
Future cash outflow to pay for purchases of fixed assets that have occurred. |
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us-gaap |
Capitalization, Long-term Debt and Equity |
This element represents the total consolidated (as applicable) capitalization of the entity which is comprised of its long-term debt and equity instruments. The table may be detailed by subsidiary (legal entity) and include information by type of debt or equity detailed by instrument. |
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us-gaap |
Cash and Cash Equivalents, at Carrying Value |
Amount of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. Excludes cash and cash equivalents within disposal group and discontinued operation. |
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us-gaap |
Cash and Cash Equivalents, Period Increase (Decrease) |
Amount of increase (decrease) in cash and cash equivalents. Cash and cash equivalents are the amount of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. Includes effect from exchange rate changes. |
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us-gaap |
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents |
Amount of cash and cash equivalents, and cash and cash equivalents restricted to withdrawal or usage. Excludes amount for disposal group and discontinued operations. Cash includes, but is not limited to, currency on hand, demand deposits with banks or financial institutions, and other accounts with general characteristics of demand deposits. Cash equivalents include, but are not limited to, short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. |
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us-gaap |
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, Period Increase (Decrease), Excluding Exchange Rate Effect |
Amount of increase (decrease) in cash and cash equivalents, and cash and cash equivalents restricted to withdrawal or usage; excluding effect from exchange rate change. Cash includes, but is not limited to, currency on hand, demand deposits with banks or financial institutions, and other accounts with general characteristics of demand deposits. Cash equivalents include, but are not limited to, short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. |
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us-gaap |
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, Period Increase (Decrease), Including Exchange Rate Effect |
Amount of increase (decrease) in cash, cash equivalents, and cash and cash equivalents restricted to withdrawal or usage; including effect from exchange rate change. Cash includes, but is not limited to, currency on hand, demand deposits with banks or financial institutions, and other accounts with general characteristics of demand deposits. Cash equivalents include, but are not limited to, short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. |
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us-gaap |
Cash Provided by (Used in) Operating Activities, Discontinued Operations |
Amount of cash inflow (outflow) of operating activities of discontinued operations. Operating activity cash flows include transactions, adjustments, and changes in value not defined as investing or financing activities. |
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us-gaap |
Common Stock, Dividends, Per Share, Cash Paid |
Aggregate dividends paid during the period for each share of common stock outstanding. |
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us-gaap |
Common Stock, Dividends, Per Share, Declared |
Aggregate dividends declared during the period for each share of common stock outstanding. |
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us-gaap |
Common Stock, Par or Stated Value Per Share |
Face amount or stated value per share of common stock. |
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us-gaap |
Common Stock, Shares Authorized |
The maximum number of common shares permitted to be issued by an entity's charter and bylaws. |
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us-gaap |
Common Stock, Shares, Outstanding |
Number of shares of common stock outstanding. Common stock represent the ownership interest in a corporation. |
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us-gaap |
Common Stock, Value, Issued |
Aggregate par or stated value of issued nonredeemable common stock (or common stock redeemable solely at the option of the issuer). This item includes treasury stock repurchased by the entity. Note: elements for number of nonredeemable common shares, par value and other disclosure concepts are in another section within stockholders' equity. |
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us-gaap |
Comprehensive Income (Loss), Net of Tax, Attributable to Noncontrolling Interest |
Amount after tax of increase (decrease) in equity from transactions and other events and circumstances from net income (loss) and other comprehensive income (loss), attributable to noncontrolling interests. Excludes changes in equity resulting from investments by owners and distributions to owners. |
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us-gaap |
Comprehensive Income (Loss), Net of Tax, Including Portion Attributable to Noncontrolling Interest |
Amount after tax of increase (decrease) in equity from transactions and other events and circumstances from net income and other comprehensive income. Excludes changes in equity resulting from investments by owners and distributions to owners. |
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us-gaap |
Contract with Customer, Asset, after Allowance for Credit Loss |
Amount, after allowance for credit loss, of right to consideration in exchange for good or service transferred to customer when right is conditioned on something other than passage of time. |
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us-gaap |
Contract with Customer, Liability, Current |
Amount of obligation to transfer good or service to customer for which consideration has been received or is receivable, classified as current. |
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us-gaap |
Cost of Goods and Service, Excluding Depreciation, Depletion, and Amortization |
Cost of product sold and service rendered, excluding depreciation, depletion, and amortization. |
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us-gaap |
Cost of Goods and Services, Energy Commodities and Services (Deprecated 2018-01-31) |
Total costs incurred and are directly related to energy commodities and services provided during the reporting period. |
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us-gaap |
Cost of Goods and Services Sold |
The aggregate costs related to goods produced and sold and services rendered by an entity during the reporting period. This excludes costs incurred during the reporting period related to financial services rendered and other revenue generating activities. |
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us-gaap |
Cost of Goods Sold, Excluding Depreciation, Depletion, and Amortization (Deprecated 2019-01-31) |
The aggregate cost of goods produced and sold during the reporting period, excluding depreciation, depletion, and amortization. |
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us-gaap |
Cost of Revenue |
The aggregate cost of goods produced and sold and services rendered during the reporting period. |
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us-gaap |
Cost of Services, Energy Services (Deprecated 2018-01-31) |
Cost incurred in providing energy services during the reporting period. |
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us-gaap |
Costs and Expenses |
Total costs of sales and operating expenses for the period. |
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us-gaap |
Cumulative Effect of New Accounting Principle in Period of Adoption (Deprecated 2020-01-31) |
Amount after tax of increase (decrease) to equity or (increase) decrease to net assets, resulting from the cumulative effect adjustment of a new accounting principle applied in the period of adoption. |
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us-gaap |
Current Federal Tax Expense (Benefit) |
Amount of current federal tax expense (benefit) pertaining to income (loss) from continuing operations. |
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us-gaap |
Current Income Tax Expense (Benefit) |
Amount of current income tax expense (benefit) pertaining to taxable income (loss) from continuing operations. |
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us-gaap |
Current State and Local Tax Expense (Benefit) |
Amount of current state and local tax expense (benefit) pertaining to income (loss) from continuing operations. |
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us-gaap |
Customer Advances and Deposits, Current |
The current portion of aggregate prepayments received from customers for goods or services to be provided in the future, as well as the current portion of money or property received from customers that are to be returned upon satisfactory contract completion or as partial prepayment for goods or services to be provided in the future. |
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us-gaap |
Customer Refund Liability, Current |
Current regulatory liabilities generally represent obligations to make refunds to customers for various reasons including overpayment. |
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us-gaap |
Debt Instrument, Face Amount |
Face (par) amount of debt instrument at time of issuance. |
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us-gaap |
Debt Instrument, Interest Rate, Stated Percentage |
Contractual interest rate for funds borrowed, under the debt agreement. |
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us-gaap |
Debt Instrument, Repurchase Amount |
Fair value amount of debt instrument that was repurchased. |
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us-gaap |
Debt Instrument, Unamortized Discount |
Amount, after accumulated amortization, of debt discount. |
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us-gaap |
Deferred Federal Income Tax Expense (Benefit) |
Amount of deferred federal income tax expense (benefit) pertaining to income (loss) from continuing operations. |
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us-gaap |
Debt Issuance Costs, Net |
Amount, after accumulated amortization, of debt issuance costs. Includes, but is not limited to, legal, accounting, underwriting, printing, and registration costs. |
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us-gaap |
Deferred Income Tax Expense (Benefit) |
Amount of deferred income tax expense (benefit) pertaining to income (loss) from continuing operations. |
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us-gaap |
Deferred Tax Liabilities, Gross |
Amount of deferred tax liability attributable to taxable temporary differences. |
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us-gaap |
Deferred Revenue, Current |
Amount of deferred income and obligation to transfer product and service to customer for which consideration has been received or is receivable, classified as current. |
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us-gaap |
Deferred State and Local Income Tax Expense (Benefit) |
Amount of deferred state and local tax expense (benefit) pertaining to income (loss) from continuing operations. |
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us-gaap |
Deferred Tax Assets, Deferred Income |
Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from deferred income. |
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us-gaap |
Deferred Tax Assets, Derivative Instruments |
Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from derivative instruments. |
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us-gaap |
Deferred Tax Assets, Gross |
Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences and carryforwards. |
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us-gaap |
Deferred Tax Assets, Investments |
Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from investments (excludes investments in subsidiaries and equity method investments). |
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us-gaap |
Deferred Tax Assets, Net, Current |
Amount, after allocation of valuation allowances and deferred tax liability, of deferred tax asset attributable to deductible differences and carryforwards, netted by jurisdiction and classified as current. |
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us-gaap |
Deferred Tax Assets, Net, Noncurrent |
Amount, after allocation of valuation allowances and deferred tax liability, of deferred tax asset attributable to deductible differences and carryforwards, with jurisdictional netting and classified as noncurrent. |
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us-gaap |
Deferred Tax Assets, Net of Valuation Allowance |
Amount after allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences and carryforwards. |
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us-gaap |
Deferred Tax Assets, Net of Valuation Allowance, Current |
Amount after allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences and carryforwards classified as current. |
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us-gaap |
Deferred Tax Assets, Operating Loss Carryforwards |
Amount before allocation of valuation allowances of deferred tax asset attributable to deductible operating loss carryforwards. |
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us-gaap |
Deferred Tax Assets, Other |
Amount, before allocation of valuation allowance, of deferred tax asset attributable to deductible temporary differences, classified as other. |
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us-gaap |
Deferred Tax Assets, Regulatory Assets and Liabilities |
Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences derived regulatory assets and liabilities. |
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us-gaap |
Deferred Tax Assets, State Taxes |
Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from state taxes. |
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us-gaap |
Deferred Tax Assets, Tax Credit Carryforwards, Research |
Amount before allocation of valuation allowances of deferred tax asset attributable to deductible research tax credit carryforwards. |
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us-gaap |
Deferred Tax Assets, Valuation Allowance |
Amount of deferred tax assets for which it is more likely than not that a tax benefit will not be realized. |
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us-gaap |
Deferred Tax Liabilities, Net |
Amount, after deferred tax asset, of deferred tax liability attributable to taxable differences without jurisdictional netting. |
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us-gaap |
Deferred Tax Liabilities, Net, Current |
Amount, after deferred tax asset, of deferred tax liability attributable to taxable differences, with jurisdictional netting and classified as current. |
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us-gaap |
Deferred Tax Liabilities, Inventory |
Amount of deferred tax consequences attributable to taxable temporary differences derived from inventory. |
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us-gaap |
Deferred Tax Liabilities, Derivatives |
Amount of deferred tax liability attributable to taxable temporary differences from derivatives. |
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us-gaap |
Deferred Tax Liabilities, Goodwill |
Amount of deferred tax liability attributable to taxable temporary differences from goodwill. |
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us-gaap |
Deferred Tax Liabilities, Investment in Noncontrolled Affiliates |
Amount of deferred tax liability attributable to taxable temporary differences from investments in unconsolidated subsidiaries and investments in other affiliates which are not controlled nor consolidated. |
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us-gaap |
Deferred Tax Liabilities, Net, Noncurrent |
Amount, after deferred tax asset, of deferred tax liability attributable to taxable differences, with jurisdictional netting and classified as noncurrent. |
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us-gaap |
Deferred Tax Liabilities, Other |
Amount of deferred tax liability attributable to taxable temporary differences classified as other. |
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us-gaap |
Deferred Tax Liabilities, Property, Plant and Equipment |
Amount of deferred tax liability attributable to taxable temporary differences from property, plant, and equipment. |
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us-gaap |
Deferred Tax Liabilities, Regulatory Assets and Liabilities |
Amount of deferred tax liability attributable to taxable temporary differences from regulatory assets and liabilities. |
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us-gaap |
Defined Benefit Plan, Effect of One Percentage Point Decrease on Service and Interest Cost Components |
Amount of decrease in service and interest cost components of net periodic postretirement benefit cost from one-percentage-point decrease in assumed health care cost trend rate. |
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us-gaap |
Defined Benefit Plan, Effect of One Percentage Point Increase on Accumulated Postretirement Benefit Obligation |
Amount of increase in accumulated postretirement benefit obligation from one-percentage-point increase in assumed health care cost trend rate. |
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us-gaap |
Defined Benefit Plan, Effect of One Percentage Point Increase on Service and Interest Cost Components |
Amount of increase in service and interest cost components of net periodic postretirement benefit cost from one-percentage-point increase in assumed health care cost trend rate. |
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us-gaap |
Defined Benefit Plan, Health Care Cost Trend Rate Assumed for Next Fiscal Year (Deprecated 2017-01-31) |
The assumed health care cost trend rate for the next year used to measure the expected cost of benefits covered by the plan (gross eligible charges). This is based upon the annual rate of change in the cost of health care benefits currently provided by the postretirement benefit plan, due to factors other than changes in the composition of the plan population by age and dependency status. |
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us-gaap |
Defined Benefit Plan, Ultimate Health Care Cost Trend Rate (Deprecated 2017-01-31) |
The ultimate trend rate for health care costs. |
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us-gaap |
Defined Contribution Plan, Cost |
Amount of cost for defined contribution plan. |
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us-gaap |
Depreciation |
The amount of expense recognized in the current period that reflects the allocation of the cost of tangible assets over the assets' useful lives. Includes production and non-production related depreciation. |
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us-gaap |
Depreciation, Depletion and Amortization, Nonproduction |
The current period expense charged against earnings on long-lived, physical assets not used in production, and which are not intended for resale, to allocate or recognize the cost of such assets over their useful lives; or to record the reduction in book value of an intangible asset over the benefit period of such asset; or to reflect consumption during the period of an asset that is not used in production. |
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us-gaap |
Depreciation, Depletion and Amortization |
The aggregate expense recognized in the current period that allocates the cost of tangible assets, intangible assets, or depleting assets to periods that benefit from use of the assets. |
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us-gaap |
Depreciation Expense on Reclassified Assets |
For the asset that is reclassified back to held and use from held-for-sale, the depreciation expense recognized when the asset is reclassified. This represents the difference between the carrying value at the time the decision to reclassify is made and the carrying amount that the asset would have had if it had never been classified as held for sale (including consideration of depreciation expense). |
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us-gaap |
Derivative Asset, Fair Value, Gross Asset |
Fair value, before effects of master netting arrangements, of a financial asset or other contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes assets elected not to be offset. Excludes assets not subject to a master netting arrangement. |
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us-gaap |
Derivative Instruments, Gain (Loss) Reclassified from Accumulated OCI into Income, Effective Portion, Net |
The effective portion of net gain (loss) reclassified from accumulated other comprehensive income into income on derivative instruments designated and qualifying as hedging instruments. |
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us-gaap |
Derivative Instruments, Gain (Loss) Recognized in Income, Ineffective Portion and Amount Excluded from Effectiveness Testing, Net |
The portion of gains and losses (net) on derivative instruments designated and qualifying as hedging instruments representing (a) the amount of the hedge ineffectiveness and (b) the amount, if any, excluded from the assessment of hedge effectiveness. |
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us-gaap |
Derivative Instruments, Gain (Loss) Recognized in Other Comprehensive Income (Loss), Effective Portion, Net (Deprecated 2018-01-31) |
The effective portion of gains and losses (net) on derivative instruments designated and qualifying as hedging instruments that was recognized in other comprehensive income during the current period. |
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us-gaap |
Derivative Instruments Not Designated as Hedging Instruments, Gain (Loss), Net |
Amount of realized and unrealized gain (loss) of derivative instruments not designated or qualifying as hedging instruments. |
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us-gaap |
Derivative Liability, Current |
Fair value, after the effects of master netting arrangements, of a financial liability or contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset, expected to be settled within one year or normal operating cycle, if longer. Includes assets not subject to a master netting arrangement and not elected to be offset. |
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us-gaap |
Derivative Liability, Noncurrent |
Fair value, after the effects of master netting arrangements, of a financial liability or contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset, expected to be settled after one year or the normal operating cycle, if longer. Includes assets not subject to a master netting arrangement and not elected to be offset. |
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us-gaap |
Derivative Liability, Fair Value, Gross Asset |
Fair value of asset associated with financial liability or contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. |
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us-gaap |
Direct Operating Maintenance Supplies Costs |
Costs of maintenance supplies used that are directly related to goods produced and sold, or services rendered, during the reporting period. |
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us-gaap |
Discontinued Operation, Income (Loss) from Discontinued Operation During Phase-out Period, Net of Tax |
Amount after tax of income (loss) from operations classified as a discontinued operation. Excludes gain (loss) on disposal and provision for gain (loss) until disposal. |
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us-gaap |
Discontinued Operation, Tax Effect of Discontinued Operation |
Amount of tax expense (benefit) related to a discontinued operation. Includes, but is not limited to, tax expense (benefit) related to income (loss) from operations during the phase-out period, tax expense (benefit) related to gain (loss) on disposal, tax expense (benefit) related to gain (loss) for reversal of write-down (write-down) to fair value, less cost to sell, and tax expense (benefit) related to adjustments of a prior period gain (loss) on disposal. |
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us-gaap |
Discontinued Operation, Tax Effect of Income (Loss) from Discontinued Operation During Phase-out Period |
Amount of tax expense (benefit) attributable to income (loss) from operations classified as a discontinued operation. Excludes tax expense (benefit) for gain (loss) on disposal and for provision for gain (loss) until disposal. |
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us-gaap |
Dividends, Common Stock, Cash |
Amount of paid and unpaid common stock dividends declared with the form of settlement in cash. |
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us-gaap |
Dividends Payable, Current |
Carrying value as of the balance sheet date of dividends declared but unpaid on equity securities issued by the entity and outstanding. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer). |
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us-gaap |
Early Repayment of Senior Debt |
The cash outflow for the extinguishment of long-term borrowing, with the highest claim on the assets of the entity in case of bankruptcy or liquidation, before its maturity. |
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us-gaap |
Earnings Per Share, Basic |
The amount of net income (loss) for the period per each share of common stock or unit outstanding during the reporting period. |
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us-gaap |
Earnings Per Share, Diluted |
The amount of net income (loss) for the period available to each share of common stock or common unit outstanding during the reporting period and to each share or unit that would have been outstanding assuming the issuance of common shares or units for all dilutive potential common shares or units outstanding during the reporting period. |
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us-gaap |
Effective Income Tax Rate Reconciliation, Percent |
Percentage of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations. |
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us-gaap |
Share-based Payment Arrangement, Amount Capitalized |
Amount of cost capitalized for award under share-based payment arrangement. |
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us-gaap |
Share-based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount |
Amount of cost not yet recognized for nonvested award under share-based payment arrangement. |
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us-gaap |
Employee Service Share-based Compensation, Nonvested Awards, Total Compensation Cost Not yet Recognized, Period for Recognition (Deprecated 2012-01-31) |
The weighted average period over which unrecognized compensation is expected to be recognized for equity-based compensation plans, using a decimal to express in number of years. |
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us-gaap |
Energy Marketing Contract Liabilities, Current |
Current liabilities attributable to energy marketing activities (trading activities). Current energy marketing (trading activities) are when entities engage in both financial and physical trading to increase profits, manage their commodity price risk and enhance system reliability. They may trade electricity, coal, natural gas and oil. These entities typically use a variety of financial instruments, including forward contracts, options and swaps. |
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us-gaap |
Energy Marketing Contracts Assets, Current |
Carrying amount as of the balance sheet date of the asset arising from energy trading activities that involves the purchase and sale of energy under forward contracts at fixed and variable prices and the buying and selling of financial energy contracts that include exchange futures and options and over the counter options and swaps, which are expected to be converted into cash or otherwise disposed of within a year or the normal operating cycle, if longer. |
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us-gaap |
Energy Marketing Contracts Assets, Noncurrent |
Carrying amount as of the balance sheet date of the asset arising from energy trading activities that involves the purchase and sale of energy under forward contracts at fixed and variable prices and the buying and selling of financial energy contracts that include exchange futures and options and over the counter options and swaps, which are expected to be converted into cash or otherwise disposed of after a year or beyond the normal operating cycle, if longer. |
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us-gaap |
Energy Related Inventory, Natural Gas in Storage |
Carrying amount as of the balance sheet date of natural gas in storage, which is a mixture of gases (liquefied or otherwise), used for fuel and manufacturing purposes, which is ready for sale. |
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us-gaap |
Environmental Remediation Expense |
The charge against earnings in the period for known or estimated future costs arising from requirements to perform environmental remediation activities. |
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us-gaap |
Equity Method Investment, Aggregate Cost |
This element represents the aggregate cost of investments accounted for under the equity method of accounting. |
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us-gaap |
Impairment of Intangible Assets (Excluding Goodwill) |
The amount of impairment loss recognized in the period resulting from the write-down of the carrying amount of an intangible asset (excluding goodwill) to fair value. |
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us-gaap |
Equity Method Investment, Summarized Financial Information, Cost of Sales (Deprecated 2020-01-31) |
The amount of the cost of sales reported by an equity method investment of the entity. |
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us-gaap |
Equity Method Investment, Summarized Financial Information, Current Assets (Deprecated 2020-01-31) |
The amount of current assets reported by an equity method investment of the entity. |
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us-gaap |
Equity Method Investment, Summarized Financial Information, Current Liabilities (Deprecated 2020-01-31) |
The amount of current liabilities reported by an equity method investment of the entity. |
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us-gaap |
Equity Method Investment, Summarized Financial Information, Income (Loss) from Continuing Operations (Deprecated 2020-01-31) |
Amount of income (loss) from continuing operations reported by an equity method investee. |
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us-gaap |
Equity Method Investment, Summarized Financial Information, Net Income (Loss) (Deprecated 2020-01-31) |
The amount of net income (loss) reported by an equity method investment of the entity. |
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us-gaap |
Equity Method Investment, Summarized Financial Information, Noncurrent Assets (Deprecated 2020-01-31) |
The amount of noncurrent assets reported by an equity method investment of the entity. |
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us-gaap |
Equity Method Investment, Summarized Financial Information, Noncurrent Liabilities (Deprecated 2020-01-31) |
The amount of noncurrent liabilities reported by an equity method investment of the entity. |
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us-gaap |
Equity Method Investment, Summarized Financial Information, Revenue (Deprecated 2020-01-31) |
Amount of revenue from sale of product and rendering of service reported by equity method investee. |
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us-gaap |
Equity Method Investments |
This item represents the carrying amount on the entity's balance sheet of its investment in common stock of an equity method investee. This is not an indicator of the fair value of the investment, rather it is the initial cost adjusted for the entity's share of earnings and losses of the investee, adjusted for any distributions (dividends) and other than temporary impairment (OTTI) losses recognized. |
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us-gaap |
Exploration Abandonment and Impairment Expense |
The adjustment to expense previously capitalized costs of drilling exploratory wells when proved reserves are not found or when the entity obtains information that raises substantial doubt about the economic or operational viability of the project. |
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us-gaap |
Fair Value, Measurement with Unobservable Inputs Reconciliation, Liability, Transfers out of Level 3 |
Amount of transfers of financial instrument classified as a liability out of level 3 of the fair value hierarchy. |
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us-gaap |
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Gain (Loss) Included in Earnings (Deprecated 2012-01-31) |
This element represents total gains or losses for the period (realized and unrealized), arising from assets measured at fair value on a recurring basis using unobservable inputs (Level 3), which are included in earnings or resulted in a change in net asset value. |
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us-gaap |
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Gain (Loss) Included in Earnings |
Amount of gain (loss) recognized in income from asset measured at fair value on recurring basis using unobservable input (level 3). |
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us-gaap |
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Settlements |
Amount of settlement of financial instrument classified as an asset measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing. |
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us-gaap |
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Transfers, Net |
Amount of transfer of financial instrument classified as an asset into (out of) level 3 of the fair value hierarchy. |
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us-gaap |
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Value |
Fair value of financial instrument classified as an asset measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing. |
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us-gaap |
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Gain (Loss) Included in Earnings |
Amount of gain (loss) recognized in income from liability measured at fair value on recurring basis using unobservable input (level 3). |
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us-gaap |
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Settlements |
Amount of settlements of financial instrument classified as a liability measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing. |
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us-gaap |
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Transfers, Net |
Amount of transfers of financial instrument classified as a liability into (out of) level 3 of the fair value hierarchy. |
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us-gaap |
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability Value |
Fair value of financial instrument classified as a liability measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing. |
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us-gaap |
Operating Leases, Future Minimum Payments Due |
Amount of required minimum rental payments for leases having an initial or remaining non-cancelable letter-terms in excess of one year. |
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us-gaap |
Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Inputs Reconciliation, Purchases, Sales, Issues, Settlements |
Amount of purchases, (sales), issuances and (settlements) of financial instrument classified as a derivative asset (liability) after deduction of derivative liability (asset), measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing. |
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us-gaap |
Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Inputs Reconciliation, Settlements |
Amount of settlements of financial instrument classified as a derivative asset (liability) after deduction of derivative liability, measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing. |
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us-gaap |
Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Inputs Reconciliation, Transfers into Level 3 |
Amount of transfers of financial instrument classified as a derivative asset (liability) after deduction of derivative liability (asset) into level 3 of the fair value hierarchy. |
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us-gaap |
Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Inputs Reconciliation, Transfers, Net |
Amount of transfers of financial instrument classified as a derivative asset (liability) after deduction of derivative liability (asset) into (out of) level 3 of the fair value hierarchy. |
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us-gaap |
Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis with Unobservable Inputs |
Fair value of financial instrument classified as derivative asset (liability) after deduction of derivative liability (asset), measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing. |
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us-gaap |
Finance Lease, Interest Expense |
Amount of interest expense on finance lease liability. |
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us-gaap |
Finance Lease, Liability |
Present value of lessee's discounted obligation for lease payments from finance lease. |
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us-gaap |
Finance Lease, Liability, Current |
Present value of lessee's discounted obligation for lease payments from finance lease, classified as current. |
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us-gaap |
Finance Lease, Liability, Noncurrent |
Present value of lessee's discounted obligation for lease payments from finance lease, classified as noncurrent. |
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us-gaap |
Finance Lease, Liability, Payment, Due |
Amount of lessee's undiscounted obligation for lease payments for finance lease. |
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us-gaap |
Finance Lease, Liability, to be Paid, after Year Five |
Amount of lessee's undiscounted obligation for lease payment for finance lease to be paid after fifth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach). |
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us-gaap |
Finance Lease, Liability, to be Paid, Year One |
Amount of lessee's undiscounted obligation for lease payment for finance lease to be paid in next fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach). |
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us-gaap |
Finance Lease, Liability, to be Paid, Year Five |
Amount of lessee's undiscounted obligation for lease payment for finance lease to be paid in fifth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach). |
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us-gaap |
Finance Lease, Liability, to be Paid, Year Four |
Amount of lessee's undiscounted obligation for lease payment for finance lease to be paid in fourth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach). |
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us-gaap |
Finance Lease, Liability, to be Paid, Year Three |
Amount of lessee's undiscounted obligation for lease payment for finance lease to be paid in third fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach). |
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us-gaap |
Finance Lease, Liability, to be Paid, Year Two |
Amount of lessee's undiscounted obligation for lease payment for finance lease to be paid in second fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach). |
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us-gaap |
Finance Lease, Liability, to be Paid, Remainder of Fiscal Year |
Amount of lessee's undiscounted obligation for lease payment for finance lease to be paid in remainder of current fiscal year. |
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us-gaap |
Finance Lease, Liability, Undiscounted Excess Amount |
Amount of lessee's undiscounted obligation for lease payments in excess of discounted obligation for lease payments for finance lease. |
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us-gaap |
Finance Lease, Right-of-Use Asset, after Accumulated Amortization |
Amount, after accumulated amortization, of right-of-use asset from finance lease. |
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us-gaap |
Finance Lease, Right-of-Use Asset, Amortization |
Amount of amortization expense attributable to right-of-use asset from finance lease. |
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us-gaap |
Finance Lease, Weighted Average Discount Rate, Percent |
Weighted average discount rate for finance lease calculated at point in time. |
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us-gaap |
Finite-Lived Intangible Assets, Accumulated Amortization |
Accumulated amount of amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life. |
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us-gaap |
Disposal Group, Including Discontinued Operation, Liabilities |
Amount classified as liabilities attributable to disposal group held for sale or disposed of. |
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us-gaap |
Finite-Lived Intangible Asset, Expected Amortization, Remainder of Fiscal Year |
Amount of amortization for assets, excluding financial assets and goodwill, lacking physical substance with finite life expected to be recognized in remainder of current fiscal year. |
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us-gaap |
Finite-Lived Intangible Asset, Expected Amortization, Year Five |
Amount of amortization for assets, excluding financial assets and goodwill, lacking physical substance with finite life expected to be recognized in fifth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach). |
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us-gaap |
Finite-Lived Intangible Asset, Expected Amortization, Year Four |
Amount of amortization for assets, excluding financial assets and goodwill, lacking physical substance with finite life expected to be recognized in fourth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach). |
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us-gaap |
Finite-Lived Intangible Asset, Expected Amortization, Year Three |
Amount of amortization for assets, excluding financial assets and goodwill, lacking physical substance with finite life expected to be recognized in third fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach). |
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us-gaap |
Finite-Lived Intangible Asset, Expected Amortization, Year Two |
Amount of amortization for assets, excluding financial assets and goodwill, lacking physical substance with finite life expected to be recognized in second fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach). |
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us-gaap |
Finite-Lived Intangible Assets, Gross |
Amount before amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life. |
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us-gaap |
Finite-Lived Intangible Assets, Net |
Amount after amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life. |
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us-gaap |
Finite-Lived Intangible Assets, Period Increase (Decrease) |
Amount of increase (decrease) in carrying value of assets, excluding financial assets and goodwill, lacking physical substance with a finite life. |
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us-gaap |
Finite-Lived Intangible Assets, Purchase Accounting Adjustments |
Amount of increase (decrease) to assets, excluding financial assets and goodwill, lacking physical substance with a finite life for purchase accounting adjustments. |
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us-gaap |
Gain (Loss) on Disposition of Assets |
Amount of gain (loss) on sale or disposal of assets, including but not limited to property plant and equipment, intangible assets and equity in securities of subsidiaries or equity method investee. |
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us-gaap |
Gain (Loss) on Interest Rate Derivative Instruments Not Designated as Hedging Instruments |
Amount of gain (loss) included in earnings for the period from the increase (decrease) in fair value of interest rate derivatives not designated as hedging instruments. |
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us-gaap |
Gain (Loss) Related to Litigation Settlement |
Amount of gain (loss) recognized in settlement of litigation and insurance claims. Excludes claims within an insurance entity's normal claims settlement process. |
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us-gaap |
Gain (Loss) on Extinguishment of Debt |
Difference between the fair value of payments made and the carrying amount of debt which is extinguished prior to maturity. |
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us-gaap |
Gas Domestic Regulated Revenue (Deprecated 2018-01-31) |
Revenue derived from the regulated (by a federal, state, or local government or agency) generation, transmission and distribution of [natural] gas. |
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us-gaap |
Goodwill |
Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized. |
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us-gaap |
Goodwill, Acquired During Period |
Amount of increase in asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized resulting from a business combination. |
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us-gaap |
Goodwill, Impairment Loss |
Amount of loss from the write-down of an asset representing the future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized. |
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us-gaap |
Goodwill, Purchase Accounting Adjustments |
Amount of increase (decrease) from adjustments after acquisition date under purchase accounting of an asset representing the future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized. |
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us-gaap |
Goodwill, Transfers |
Amount of transfers into (out of) an asset representing the future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized. |
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us-gaap |
Guarantor Obligations, Current Carrying Value |
The current carrying amount of the liability for the freestanding or embedded guarantor's obligations under the guarantee or each group of similar guarantees. |
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us-gaap |
Guarantor Obligations, Maximum Exposure, Undiscounted |
Maximum potential amount of future payments (undiscounted) the guarantor could be required to make under the guarantee or each group of similar guarantees before reduction for potential recoveries under recourse or collateralization provisions. |
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us-gaap |
Impairment of Long-Lived Assets Held-for-use |
The aggregate amount of write-downs for impairments recognized during the period for long lived assets held for use (including those held for disposal by means other than sale). |
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us-gaap |
Impairment of Oil and Gas Properties |
The expense recorded to reduce the value of oil and gas assets consisting of proved properties and unproved properties as the estimate of future successful production from these properties is reduced. |
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us-gaap |
Income (Loss) from Continuing Operations, Net of Tax, Attributable to Parent |
Amount after tax of income (loss) from continuing operations attributable to the parent. |
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us-gaap |
Income (Loss) from Continuing Operations before Equity Method Investments, Income Taxes, Noncontrolling Interest |
Amount of income (loss) from continuing operations before deduction of income tax expense (benefit) and income (loss) attributable to noncontrolling interest, and addition of income (loss) from equity method investments. |
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us-gaap |
Income (Loss) from Continuing Operations, Net of Tax, Including Portion Attributable to Noncontrolling Interest |
Amount after tax of income (loss) from continuing operations including portion attributable to the noncontrolling interest. |
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us-gaap |
Income (Loss) from Continuing Operations, Per Basic Share |
The amount of net income (loss) from continuing operations per each share of common stock or unit outstanding during the reporting period. |
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us-gaap |
Income (Loss) from Discontinued Operations, Net of Tax, Attributable to Parent |
Amount after tax of income (loss) from a discontinued operation attributable to the parent. Includes, but is not limited to, the income (loss) from operations during the phase-out period, gain (loss) on disposal, gain (loss) for reversal of write-down (write-down) to fair value, less cost to sell, and adjustments to a prior period gain (loss) on disposal. |
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us-gaap |
Income (Loss) from Discontinued Operations and Disposal of Discontinued Operations, Net of Tax, Per Basic and Diluted Share |
Per basic and diluted share amount, after tax, of income (loss) from the day-to-day business activities of the discontinued operation and gain (loss) from the disposal of the discontinued operation, when the per share amount is the same. |
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us-gaap |
Income (Loss) from Discontinued Operations and Disposal of Discontinued Operations, Net of Tax, Per Basic Share |
Per basic share amount, after tax, of income (loss) from the day-to-day business activities of the discontinued operation and gain (loss) from the disposal of the discontinued operation. |
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us-gaap |
Income (Loss) from Discontinued Operations and Disposal of Discontinued Operations, Net of Tax, Per Diluted Share |
Per diluted share amount, after tax, of income (loss) from the day-to-day business activities of the discontinued operation and gain (loss) from the disposal of the discontinued operation. |
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us-gaap |
Income (Loss) from Equity Method Investments |
Amount of income (loss) for proportionate share of equity method investee's income (loss). |
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us-gaap |
Income Tax Expense (Benefit) |
Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations. |
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us-gaap |
Income Tax Expense (Benefit), Continuing Operations (Deprecated 2013-01-31) |
The sum of the current income tax expense or benefit and the deferred income tax expense or benefit pertaining to pretax Income or Loss from continuing operations; income tax expense or benefit may include interest and penalties on tax uncertainties based on the entity's accounting policy. |
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us-gaap |
Income Tax Expense (Benefit), Intraperiod Tax Allocation |
Amount of income tax expense (benefit) for continuing operations, discontinued operations, other comprehensive income, and items charged (credited) directly to shareholders' equity. |
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us-gaap |
Income Taxes Paid, Net |
The amount of cash paid during the current period to foreign, federal, state, and local authorities as taxes on income, net of any cash received during the current period as refunds for the overpayment of taxes. |
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us-gaap |
Effective Income Tax Rate Reconciliation, Deduction, Employee Stock Ownership Plan Dividend, Amount |
Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to deduction for dividend paid to employee stock ownership plan. |
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us-gaap |
Effective Income Tax Rate Reconciliation, Change in Deferred Tax Assets Valuation Allowance, Amount |
Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to increase (decrease) in the valuation allowance for deferred tax assets. |
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us-gaap |
Effective Income Tax Rate Reconciliation, Change in Enacted Tax Rate, Amount |
Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations, attributable to increase (decrease) in the income tax rates. |
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us-gaap |
Other Comprehensive Income (Loss), Net of Tax |
Amount after tax and reclassification adjustments of other comprehensive income (loss). |
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us-gaap |
Effective Income Tax Rate Reconciliation, Other Reconciling Items, Amount |
Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to tax exempt income, equity in earnings (loss) of an unconsolidated subsidiary, minority noncontrolling interest income (loss), tax holiday, disposition of a business, disposition of an asset, repatriation of foreign earnings, repatriation of foreign earnings jobs creation act of 2004, increase (decrease) in enacted tax rate, prior year income taxes, increase (decrease) in deferred tax asset valuation allowance, and other adjustments. |
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us-gaap |
Effective Income Tax Rate Reconciliation, State and Local Income Taxes, Amount |
Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to state and local income tax expense (benefit). |
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us-gaap |
Effective Income Tax Rate Reconciliation, Tax Credit, Investment, Amount |
Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to investment tax credit. |
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us-gaap |
Effective Income Tax Rate Reconciliation, Tax Credit, Other, Amount |
Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to other tax credits. |
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us-gaap |
Increase (Decrease) in Accounts Payable and Accrued Liabilities |
The increase (decrease) during the reporting period in the amounts payable to vendors for goods and services received and the amount of obligations and expenses incurred but not paid. |
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us-gaap |
Increase (Decrease) in Accounts Receivable |
The increase (decrease) during the reporting period in amount due within one year (or one business cycle) from customers for the credit sale of goods and services. |
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us-gaap |
Increase (Decrease) in Contract with Customer, Asset |
Amount of increase (decrease) in right to consideration in exchange for good or service transferred to customer when right is conditioned on something other than passage of time. |
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us-gaap |
Increase (Decrease) in Deferred Gas Cost |
The increase (decrease) during the reporting period in carrying amount of capitalized gas costs of a regulated entity that are expected to be recoverable through rate adjustments within one year or the normal operating cycle, if longer. |
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us-gaap |
Increase (Decrease) in Energy Trading Activity |
The increase (decrease) during the reporting period in the value of long term assets generated by energy trading activities, which involve the purchase and sale of energy under forward contracts at fixed and variable prices and the buying and selling of financial energy contracts which include exchange futures and options and over the counter options and swaps. |
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us-gaap |
Increase (Decrease) in Inventories |
The increase (decrease) during the reporting period in the aggregate value of all inventory held by the reporting entity, associated with underlying transactions that are classified as operating activities. |
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us-gaap |
Increase (Decrease) in Margin Deposits Outstanding |
The increase (decrease) during the reporting period in money or securities placed with a broker or counterparty as security for a trading or derivative position. |
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us-gaap |
Increase (Decrease) in Other Operating Assets and Liabilities, Net |
Amount of increase (decrease) in operating assets after deduction of operating liabilities classified as other. |
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us-gaap |
Increase (Decrease) in Obligation, Pension and Other Postretirement Benefits |
Amount of increase (decrease) in obligation for pension and other postretirement benefits. Includes, but is not limited to, defined benefit and defined contribution plans. |
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us-gaap |
Intangible Assets, Net (Excluding Goodwill) |
Sum of the carrying amounts of all intangible assets, excluding goodwill, as of the balance sheet date, net of accumulated amortization and impairment charges. |
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us-gaap |
Interest Costs Capitalized |
Amount of interest capitalized during the period. |
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us-gaap |
Interest Expense |
Amount of the cost of borrowed funds accounted for as interest expense. |
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us-gaap |
Interest Income (Expense), Net |
The net amount of operating interest income (expense). |
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us-gaap |
Interest Paid, Excluding Capitalized Interest, Operating Activities |
Amount of cash paid for interest, excluding capitalized interest, classified as operating activity. Includes, but is not limited to, payment to settle zero-coupon bond for accreted interest of debt discount and debt instrument with insignificant coupon interest rate in relation to effective interest rate of borrowing attributable to accreted interest of debt discount. |
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us-gaap |
Interest Payable, Current |
Carrying value as of the balance sheet date of [accrued] interest payable on all forms of debt, including trade payables, that has been incurred and is unpaid. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer). |
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us-gaap |
Operating Lease, Payments |
Amount of cash outflow from operating lease, excluding payments to bring another asset to condition and location necessary for its intended use. |
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us-gaap |
Investments |
Sum of the carrying amounts as of the balance sheet date of all investments. |
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us-gaap |
Lease, Cost |
Amount of lease cost recognized by lessee for lease contract. |
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us-gaap |
Lessee, Operating Lease, Liability, to be Paid |
Amount of lessee's undiscounted obligation for lease payment for operating lease. |
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us-gaap |
Lessee, Operating Lease, Liability, to be Paid, after Year Five |
Amount of lessee's undiscounted obligation for lease payment for operating lease due after fifth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach). |
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us-gaap |
Lessee, Operating Lease, Liability, to be Paid, Year One |
Amount of lessee's undiscounted obligation for lease payment for operating lease to be paid in next fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach). |
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us-gaap |
Lessee, Operating Lease, Liability, to be Paid, Year Five |
Amount of lessee's undiscounted obligation for lease payment for operating lease to be paid in fifth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach). |
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us-gaap |
Lessee, Operating Lease, Liability, to be Paid, Year Four |
Amount of lessee's undiscounted obligation for lease payment for operating lease to be paid in fourth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach). |
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us-gaap |
Lessee, Operating Lease, Liability, to be Paid, Year Three |
Amount of lessee's undiscounted obligation for lease payment for operating lease to be paid in third fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach). |
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us-gaap |
Lessee, Operating Lease, Liability, to be Paid, Year Two |
Amount of lessee's undiscounted obligation for lease payment for operating lease to be paid in second fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach). |
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us-gaap |
Lessee, Operating Lease, Liability, to be Paid, Remainder of Fiscal Year |
Amount of lessee's undiscounted obligation for lease payment for operating lease having initial or remaining lease term in excess of one year to be paid in remainder of current fiscal year. |
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us-gaap |
Lessee, Operating Lease, Liability, Undiscounted Excess Amount |
Amount of lessee's undiscounted obligation for lease payments in excess of discounted obligation for lease payments for operating lease. |
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us-gaap |
Lessor, Operating Lease, Payments to be Received |
Amount of lease payments to be received by lessor for operating lease. |
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us-gaap |
Lessor, Operating Lease, Payment to be Received, Year Five |
Amount of lease payment to be received by lessor for operating lease in fifth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach). |
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us-gaap |
Lessor, Operating Lease, Payment to be Received, Year Four |
Amount of lease payment to be received by lessor for operating lease in fourth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach). |
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us-gaap |
Lessor, Operating Lease, Payment to be Received, Remainder of Fiscal Year |
Amount of lease payment to be received by lessor for operating lease in remainder of current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach). |
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us-gaap |
Lessor, Operating Lease, Payment to be Received, after Year Five |
Amount of lease payment to be received by lessor for operating lease after fifth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach). |
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us-gaap |
Lessor, Operating Lease, Payment to be Received, Year Three |
Amount of lease payment to be received by lessor for operating lease in third fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach). |
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us-gaap |
Lessor, Operating Lease, Payment to be Received, Year Two |
Amount of lease payment to be received by lessor for operating lease in second fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach). |
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us-gaap |
Letters of Credit Outstanding, Amount |
The total amount of the contingent obligation under letters of credit outstanding as of the reporting date. |
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us-gaap |
Liabilities and Equity |
Amount of liabilities and equity items, including the portion of equity attributable to noncontrolling interests, if any. |
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us-gaap |
Liabilities, Current |
Total obligations incurred as part of normal operations that are expected to be paid during the following twelve months or within one business cycle, if longer. |
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us-gaap |
Liabilities, Noncurrent |
Amount of obligation due after one year or beyond the normal operating cycle, if longer. |
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us-gaap |
Line of Credit Facility, Average Outstanding Amount |
Average amount borrowed under the credit facility during the period. |
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us-gaap |
Line of Credit Facility, Interest Rate During Period |
The effective interest rate during the reporting period. |
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us-gaap |
Line of Credit Facility, Maximum Amount Outstanding During Period |
Maximum amount borrowed under the credit facility at any time during the period. |
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us-gaap |
Line of Credit Facility, Maximum Borrowing Capacity |
Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility. |
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us-gaap |
Line of Credit Facility, Remaining Borrowing Capacity |
Amount of borrowing capacity currently available under the credit facility (current borrowing capacity less the amount of borrowings outstanding). |
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us-gaap |
Estimated Litigation Liability |
Aggregate carrying amount of the estimated litigation liability for known or estimated probable loss from litigation, which may include attorneys' fees and other litigation costs. |
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us-gaap |
Litigation Settlement, Expense |
Amount of litigation expense, including but not limited to legal, forensic, accounting, and investigative fees. |
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us-gaap |
Long-term Debt |
Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations. |
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us-gaap |
Long-term Debt, Current Maturities |
Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt, classified as current. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations. |
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us-gaap |
Long-term Debt, Fair Value |
The fair value amount of long-term debt whether such amount is presented as a separate caption or as a parenthetical disclosure. Additionally, this element may be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements. The element may be used in both the balance sheet and disclosure in the same submission. |
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us-gaap |
Long-Term Debt, Maturity, Year One |
Amount of long-term debt payable, sinking fund requirement, and other securities issued that are redeemable by holder at fixed or determinable price and date, maturing in next fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach). |
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us-gaap |
Long-Term Debt, Maturity, Year Five |
Amount of long-term debt payable, sinking fund requirement, and other securities issued that are redeemable by holder at fixed or determinable price and date, maturing in fifth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach). |
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us-gaap |
Long-Term Debt, Maturity, Year Four |
Amount of long-term debt payable, sinking fund requirement, and other securities issued that are redeemable by holder at fixed or determinable price and date, maturing in fourth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach). |
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us-gaap |
Long-Term Debt, Maturity, Year Three |
Amount of long-term debt payable, sinking fund requirement, and other securities issued that are redeemable by holder at fixed or determinable price and date, maturing in third fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach). |
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us-gaap |
Long-Term Debt, Maturity, Year Two |
Amount of long-term debt payable, sinking fund requirement, and other securities issued that are redeemable by holder at fixed or determinable price and date, maturing in second fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach). |
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us-gaap |
Long-term Debt, Excluding Current Maturities |
Amount after unamortized (discount) premium and debt issuance costs of long-term debt classified as noncurrent and excluding amounts to be repaid within one year or the normal operating cycle, if longer. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations. |
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us-gaap |
Margin Deposit Assets |
The amount of cash or securities placed with a broker or counterparty as security for a trading or derivatives securities position which was partially obtained with funds provided by the broker dealer. |
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us-gaap |
Stockholders' Equity Attributable to Noncontrolling Interest |
Total of all stockholders' equity (deficit) items, net of receivables from officers, directors, owners, and affiliates of the entity which is directly or indirectly attributable to that ownership interest in subsidiary equity which is not attributable to the parent (that is, noncontrolling interest, previously referred to as minority interest). |
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us-gaap |
Noncontrolling Interest, Decrease from Redemptions or Purchase of Interests |
Decrease in noncontrolling interest (for example, but not limited to, redeeming or purchasing the interests of noncontrolling shareholders, issuance of shares (interests) by the non-wholly owned subsidiary to the parent entity for other than cash, and a buyback of shares (interest) by the non-wholly owned subsidiary from the noncontrolling interests). |
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us-gaap |
Net Cash Provided by (Used in) Continuing Operations |
The increase (decrease) in cash associated with the entity's continuing operating, investing, and financing activities. While for technical reasons this element has no balance attribute, the default assumption is a debit balance consistent with its label. |
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us-gaap |
Net Cash Provided by (Used in) Financing Activities |
Amount of cash inflow (outflow) from financing activities, including discontinued operations. Financing activity cash flows include obtaining resources from owners and providing them with a return on, and a return of, their investment; borrowing money and repaying amounts borrowed, or settling the obligation; and obtaining and paying for other resources obtained from creditors on long-term credit. |
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us-gaap |
Net Cash Provided by (Used in) Investing Activities |
Amount of cash inflow (outflow) from investing activities, including discontinued operations. Investing activity cash flows include making and collecting loans and acquiring and disposing of debt or equity instruments and property, plant, and equipment and other productive assets. |
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us-gaap |
Net Cash Provided by (Used in) Operating Activities |
Amount of cash inflow (outflow) from operating activities, including discontinued operations. Operating activity cash flows include transactions, adjustments, and changes in value not defined as investing or financing activities. |
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us-gaap |
Net Cash Provided by (Used in) Operating Activities, Continuing Operations |
Amount of cash inflow (outflow) from operating activities, excluding discontinued operations. Operating activity cash flows include transactions, adjustments, and changes in value not defined as investing or financing activities. |
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us-gaap |
Net Income (Loss) Attributable to Parent |
The portion of profit or loss for the period, net of income taxes, which is attributable to the parent. |
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us-gaap |
Net Income (Loss) Attributable to Noncontrolling Interest |
Amount of Net Income (Loss) attributable to noncontrolling interest. |
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us-gaap |
Noncontrolling Interest, Increase from Subsidiary Equity Issuance |
Amount of increase in noncontrolling interest from subsidiary issuance of equity interests to noncontrolling interest holders. |
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us-gaap |
Nonoperating Income (Expense) |
The aggregate amount of income or expense from ancillary business-related activities (that is to say, excluding major activities considered part of the normal operations of the business). |
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us-gaap |
Financing Receivable, after Allowance for Credit Loss, Current |
Amount, after allowance for credit loss, of financing receivable, classified as current. Includes, but is not limited to, notes and loan receivable. |
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us-gaap |
Financing Receivable, after Allowance for Credit Loss, Noncurrent |
Amount, after allowance for credit loss, of financing receivable, classified as noncurrent. |
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us-gaap |
Notes Receivable, Related Parties |
For an unclassified balance sheet, amounts due from parties associated with the reporting entity as evidenced by a written promise to pay. |
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us-gaap |
Notes Receivable, Related Parties, Current |
Amounts due from parties associated with the reporting entity as evidenced by a written promise to pay, due within 1 year (or 1 business cycle). |
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us-gaap |
Notes Receivable, Related Parties, Noncurrent |
Amounts due from parties associated with the reporting entity as evidenced by a written promise to pay, due after 1 year (or 1 business cycle). |
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us-gaap |
Number of Businesses Acquired |
The number of businesses acquired by the entity during the period. |
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us-gaap |
Number of Countries in which Entity Operates |
The number of countries in which the entity operates as of balance sheet date. |
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us-gaap |
OCI, before Reclassifications, Net of Tax, Attributable to Parent |
Amount after tax, before reclassification adjustments, of other comprehensive income (loss), attributable to parent. |
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us-gaap |
Operating Costs and Expenses |
Generally recurring costs associated with normal operations except for the portion of these expenses which can be clearly related to production and included in cost of sales or services. Excludes Selling, General and Administrative Expense. |
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us-gaap |
Operating Income (Loss) |
The net result for the period of deducting operating expenses from operating revenues. |
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us-gaap |
Operating Lease, Cost |
Amount of single lease cost, calculated by allocation of remaining cost of lease over remaining lease term. Includes, but is not limited to, single lease cost, after impairment of right-of-use asset, calculated by amortization of remaining right-of-use asset and accretion of lease liability. |
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us-gaap |
Operating Lease, Liability |
Present value of lessee's discounted obligation for lease payments from operating lease. |
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us-gaap |
Operating Lease, Liability, Current |
Present value of lessee's discounted obligation for lease payments from operating lease, classified as current. |
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us-gaap |
Operating Lease, Liability, Noncurrent |
Present value of lessee's discounted obligation for lease payments from operating lease, classified as noncurrent. |
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us-gaap |
Operating Leases, Future Minimum Payments, Due in Four and Five Years |
Amount of required minimum rental payments for operating leases having an initial or remaining non-cancelable lease term in excess of one year due in the fourth and fifth fiscal years following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date. |
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us-gaap |
Operating Leases, Future Minimum Payments, Due in Two and Three Years |
Amount of required minimum rental payments for operating leases having an initial or remaining non-cancelable lease term in excess of one year due in the second and third fiscal years following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date. |
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us-gaap |
Operating Leases, Future Minimum Payments, Due Thereafter |
Amount of required minimum rental payments for operating leases having an initial or remaining non-cancelable lease term in excess of one year due after the fifth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date. |
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us-gaap |
Operating Leases, Future Minimum Payments Receivable |
Future minimum rental payments in aggregate as of the balance sheet date under operating leases. |
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us-gaap |
Operating Leases, Future Minimum Payments Receivable, Current |
Future rental payments receivable within one year of the balance sheet date under an operating lease. |
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us-gaap |
Operating Leases, Future Minimum Payments Receivable, in Five Years |
Future rental payments receivable within the fifth year from the balance sheet date under an operating lease. |
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us-gaap |
Operating Leases, Future Minimum Payments Receivable, in Four Years |
Future rental payments receivable within the fourth year from the balance sheet date under an operating lease. |
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us-gaap |
Operating Leases, Future Minimum Payments Receivable, in Three Years |
Future rental payments receivable within the third year from the balance sheet date under an operating lease. |
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us-gaap |
Operating Leases, Future Minimum Payments Receivable, in Two Years |
Future rental payments receivable within the second year from the balance sheet date under an operating lease. |
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us-gaap |
Operating Leases, Future Minimum Payments Receivable, Thereafter |
Future minimum lease payments receivable under operating leases for periods greater than five years following the balance sheet date. |
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us-gaap |
Operating Lease, Weighted Average Discount Rate, Percent |
Weighted average discount rate for operating lease calculated at point in time. |
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us-gaap |
Other Assets, Current |
Amount of current assets classified as other. |
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us-gaap |
Other Assets, Miscellaneous, Noncurrent |
Amount of other miscellaneous assets expected to be realized or consumed after one year or normal operating cycle, if longer. |
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us-gaap |
Other Assets, Noncurrent |
Amount of noncurrent assets classified as other. |
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us-gaap |
Other Comprehensive Income (Loss), Pension and Other Postretirement Benefit Plans, Adjustment, Net of Tax (Deprecated 2012-01-31) |
The increase (decrease) in accumulated comprehensive income during the period related to pension and other postretirement benefit plans, after tax. While for technical reasons this element has no balance attribute, the default assumption is a credit balance consistent with its label. |
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us-gaap |
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), after Reclassification and Tax |
Amount, after tax and reclassification, of gain (loss) from derivative instrument designated and qualifying as cash flow hedge included in assessment of hedge effectiveness. |
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us-gaap |
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), after Reclassification, Tax |
Amount, after reclassification, of tax expense (benefit) for gain (loss) from derivative instrument designated and qualifying as cash flow hedge included in assessment of hedge effectiveness. |
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us-gaap |
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), Reclassification, after Tax |
Amount, after tax, of reclassification of gain (loss) from accumulated other comprehensive income (AOCI) for derivative instrument designated and qualifying as cash flow hedge included in assessment of hedge effectiveness. |
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us-gaap |
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), Reclassification, Tax |
Amount of tax expense (benefit) for reclassification of gain (loss) from accumulated other comprehensive income (AOCI) for derivative instrument designated and qualifying as cash flow hedge included in assessment of hedge effectiveness. |
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us-gaap |
Other Comprehensive Income (Loss), Derivatives Qualifying as Hedges, Net of Tax |
Amount after tax and reclassification adjustments, of increase (decrease) in accumulated gain (loss) from derivative instruments designated and qualifying as the effective portion of cash flow hedges and an entity's share of an equity investee's increase (decrease) in deferred hedging gain (loss). |
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us-gaap |
Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent |
Amount after tax of other comprehensive income (loss) attributable to parent entity. |
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us-gaap |
Other Comprehensive (Income) Loss, Defined Benefit Plan, after Reclassification Adjustment, after Tax |
Amount, after tax and reclassification adjustment, of (increase) decrease in accumulated other comprehensive income for defined benefit plan. |
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us-gaap |
Other Comprehensive (Income) Loss, Defined Benefit Plan, after Reclassification Adjustment, Tax |
Amount, after reclassification adjustment, of tax (expense) benefit for (increase) decrease in accumulated other comprehensive income of defined benefit plan. |
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us-gaap |
Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI on Derivatives, Net of Tax |
Amount after tax of reclassification adjustment from accumulated other comprehensive income of accumulated gain (loss) realized from derivative instruments designated and qualifying as the effective portion of cash flow hedges and an entity's share of an equity investee's deferred hedging gain (loss). |
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us-gaap |
Other Comprehensive (Income) Loss, Defined Benefit Plan, Reclassification Adjustment from AOCI, after Tax |
Amount, after tax, of reclassification adjustment from accumulated other comprehensive (income) loss for net periodic benefit cost (credit) of defined benefit plan. |
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us-gaap |
OCI, Debt Securities, Available-for-Sale, Unrealized Holding Gain (Loss), before Adjustment, after Tax |
Amount, after tax and before adjustment, of unrealized holding gain (loss) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale). Excludes unrealized gain (loss) on investment in debt security measured at amortized cost (held-to-maturity) from transfer to available-for-sale. |
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us-gaap |
Other Cost and Expense, Operating |
The total amount of other operating cost and expense items that are associated with the entity's normal revenue producing operation. |
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us-gaap |
Other Cost of Services (Deprecated 2018-01-31) |
Other costs incurred and are directly related to services rendered by an entity during the reporting period. |
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us-gaap |
Other Liabilities, Current |
Amount of liabilities classified as other, due within one year or the normal operating cycle, if longer. |
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us-gaap |
Other Liabilities, Noncurrent |
Amount of liabilities classified as other, due after one year or the normal operating cycle, if longer. |
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us-gaap |
Other Revenue, Net (Deprecated 2018-01-31) |
Amount, after sales adjustments, returns, allowances, and discounts, of revenue classified as other. |
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us-gaap |
Payments for Advance to Affiliate |
The cash outflow from advancing money to an affiliate (an entity that is related but not strictly controlled by the entity). |
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us-gaap |
Payments for (Proceeds from) Life Insurance Policies |
The net cash outflow or inflow for net proceeds and payments derived from carrying life insurance policies for which the entity is the beneficiary. |
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us-gaap |
Payments for (Proceeds from) Loans Receivable |
The net amount paid or received by the reporting entity associated with purchase (sale or collection) of loans receivable arising from the financing of goods and services. |
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us-gaap |
Payments for (Proceeds from) Other Investing Activities |
Amount of cash (inflow) outflow from investing activities classified as other. |
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us-gaap |
Payments for (Proceeds from) Removal Costs |
The net cash inflow or outflow from the costs of disposing of plant, whether by demolishing, dismantling, abandoning, sale, and so forth during the period. |
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|
us-gaap |
Payments of Debt Issuance Costs |
The cash outflow paid to third parties in connection with debt origination, which will be amortized over the remaining maturity period of the associated long-term debt. |
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|
us-gaap |
Payments of Ordinary Dividends, Common Stock |
Amount of cash outflow in the form of ordinary dividends to common shareholders of the parent entity. |
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|
us-gaap |
Payments of Stock Issuance Costs |
The cash outflow for cost incurred directly with the issuance of an equity security. |
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|
us-gaap |
Payment, Tax Withholding, Share-based Payment Arrangement |
Amount of cash outflow to satisfy grantee's tax withholding obligation for award under share-based payment arrangement. |
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|
us-gaap |
Payments to Acquire Additional Interest in Subsidiaries |
The cash outflow associated with the purchase of noncontrolling interest during the period. |
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|
us-gaap |
Payments to Acquire Available-for-sale Securities |
The cash outflow to acquire debt and equity securities not classified as either held-to-maturity securities or trading securities which would be classified as available-for-sale securities and reported at fair value, with unrealized gains and losses excluded from earnings and reported in a separate component of shareholders' equity. |
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us-gaap |
Payments to Acquire Businesses, Gross |
The cash outflow associated with the acquisition of business during the period. The cash portion only of the acquisition price. |
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|
us-gaap |
Payments to Acquire Equity Method Investments |
The cash outflow associated with the purchase of or advances to an equity method investments, which are investments in joint ventures and entities in which the entity has an equity ownership interest normally of 20 to 50 percent and exercises significant influence. |
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us-gaap |
Payment to Acquire Life Insurance Policy, Investing Activities |
Amount of cash outflow for payment of premium on corporate-owned life insurance policy, classified as investing activities. Includes, but is not limited to, bank-owned life insurance policy. |
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|
us-gaap |
Payments to Acquire Productive Assets |
The cash outflow for purchases of and capital improvements on property, plant and equipment (capital expenditures), software, and other intangible assets. |
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|
us-gaap |
Payments to Acquire Property, Plant, and Equipment |
The cash outflow associated with the acquisition of long-lived, physical assets that are used in the normal conduct of business to produce goods and services and not intended for resale; includes cash outflows to pay for construction of self-constructed assets. |
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us-gaap |
Payments to Acquire Restricted Investments |
The cash outflow to acquire investments (not to include restricted cash) that are pledged or subject to withdrawal restrictions. |
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us-gaap |
Liability, Defined Benefit Plan, Current |
Amount of liability, recognized in statement of financial position, for defined benefit pension and other postretirement plans, classified as current. |
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|
us-gaap |
Liability, Defined Benefit Plan, Noncurrent |
Amount of liability, recognized in statement of financial position, for defined benefit pension and other postretirement plans, classified as noncurrent. |
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|
us-gaap |
Payment for Pension Benefits |
Amount of cash outflow for pension benefit. Includes, but is not limited to, employer contribution to fund plan asset and payment to retiree. Excludes other postretirement benefit. |
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us-gaap |
Preferred Stock, Shares Authorized |
The maximum number of nonredeemable preferred shares (or preferred stock redeemable solely at the option of the issuer) permitted to be issued by an entity's charter and bylaws. |
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us-gaap |
Preferred Stock, Shares Outstanding |
Aggregate share number for all nonredeemable preferred stock (or preferred stock redeemable solely at the option of the issuer) held by stockholders. Does not include preferred shares that have been repurchased. |
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us-gaap |
Prepaid Taxes |
Amount of asset related to consideration paid in advance for income and other taxes that provide economic benefits within a future period of one year or the normal operating cycle, if longer. |
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|
us-gaap |
Proceeds from Collection of Advance to Affiliate |
The cash inflow from the collection of money previously advanced to an entity that is related to it but not strictly controlled. |
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|
us-gaap |
Proceeds from Collection of Notes Receivable |
The cash inflow associated with principal collections from a borrowing supported by a written promise to pay an obligation. |
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us-gaap |
Proceeds from Construction Loans Payable |
The cash inflow from borrowings to finance the cost of construction. |
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|
us-gaap |
Proceeds from Contributions from Affiliates |
The cash inflow from an entity that is affiliated with the entity by means of direct or indirect ownership. |
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us-gaap |
Proceeds from Equity Method Investment, Distribution, Return of Capital |
Amount of distribution received from equity method investee for return of investment, classified as investing activities. Excludes distribution for return on investment, classified as operating activities. |
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us-gaap |
Proceeds from Issuance of Common Stock |
The cash inflow from the additional capital contribution to the entity. |
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us-gaap |
Proceeds from Issuance of Common Stock, Dividend Reinvestment Plan |
Amount of cash inflow from capital contributions to an entity associated with a dividend reinvestment plan. |
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|
us-gaap |
Proceeds from Issuance of Long-term Debt |
The cash inflow from a debt initially having maturity due after one year or beyond the operating cycle, if longer. |
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|
us-gaap |
Proceeds from Other Equity |
Amount of cash inflow from the issuance of equity classified as other. |
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|
us-gaap |
Proceeds from (Payments for) Other Financing Activities |
Amount of cash inflow (outflow) from financing activities classified as other. |
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|
us-gaap |
Proceeds from Sale of Property, Plant, and Equipment |
The cash inflow from the sale of long-lived, physical assets that are used in the normal conduct of business to produce goods and services and not intended for resale. |
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us-gaap |
Proceeds from Sale of Restricted Investments |
The cash inflow associated with the sale of investments that are pledged or subject to withdrawal restrictions during the period. |
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|
us-gaap |
Net Income (Loss), Including Portion Attributable to Noncontrolling Interest |
The consolidated profit or loss for the period, net of income taxes, including the portion attributable to the noncontrolling interest. |
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|
us-gaap |
Property, Plant, and Equipment and Finance Lease Right-of-Use Asset, Accumulated Depreciation and Amortization |
Amount of accumulated depreciation and amortization from plant, property, and equipment and right-of-use asset from finance lease. |
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|
us-gaap |
Property, Plant and Equipment, Gross |
Amount before accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures. |
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us-gaap |
Property, Plant and Equipment, Net |
Amount after accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business to produce goods and services and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures. |
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us-gaap |
Property Subject to or Available for Operating Lease, Accumulated Depreciation |
The amount of accumulated depreciation, by major property class, recorded on property subject to or available for lease as of the balance sheet date. |
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|
us-gaap |
Property Subject to or Available for Operating Lease, Gross |
Amount before accumulated depreciation of physical assets used in the normal conduct of business to produce goods and services subject to or available for lease. |
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|
us-gaap |
Accounts Receivable, Credit Loss Expense (Reversal) |
Amount of expense (reversal of expense) for expected credit loss on accounts receivable. |
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|
us-gaap |
Public Utilities, Approved Rate Increase (Decrease), Percentage |
Percentage of public utility's approved rate increase (decrease) by regulatory agency. |
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us-gaap |
Public Utilities, Approved Return on Equity, Percentage |
Percentage of public utility's approved return on equity. |
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|
us-gaap |
Public Utilities, Property, Plant and Equipment, Accumulated Depreciation |
Period end book value of accumulated depreciation on property, plant and equipment (PPE) that is owned by the regulated operations of the public utility. |
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us-gaap |
Public Utilities, Property, Plant and Equipment, Common |
Period end amount of property, plant and equipment (PPE) related to regulated assets common to business units. |
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us-gaap |
Public Utilities, Property, Plant and Equipment, Construction Work in Progress |
Period end amount of construction work in progress in public utility. |
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|
us-gaap |
Public Utilities, Property, Plant and Equipment, Disclosure of Composite Depreciation Rate for Plants in Service |
Composite depreciation rate for public utility plants in service. |
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|
us-gaap |
Public Utilities, Property, Plant and Equipment, Distribution |
Period end amount of property, plant and equipment (PPE) related to utility distribution. |
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|
us-gaap |
Public Utilities, Property, Plant and Equipment, Generation or Processing |
Period end amount of property, plant and equipment (PPE) related to generation or processing owned by public utility. |
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|
us-gaap |
Public Utilities, Property, Plant and Equipment, Other Property, Plant and Equipment |
Period end book value of other property, plant and equipment (PPE) owned (but not classified elsewhere) by the public utility. |
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|
us-gaap |
Public Utilities, Property, Plant and Equipment, Plant in Service |
Period end amount of total gross PPE. |
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us-gaap |
Public Utilities, Property, Plant and Equipment, Transmission |
Period end amount of property, plant and equipment (PPE) related to utility transmission owned by public utility. |
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|
us-gaap |
Public Utilities, Requested Rate Increase (Decrease), Amount |
Amount of public utility's requested rate increase (decrease) with regulatory agency. |
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|
us-gaap |
Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax |
Amount after tax of reclassification adjustments of other comprehensive income (loss). |
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|
us-gaap |
Reclassification from AOCI, Current Period, Net of Tax, Attributable to Parent |
Amount after tax of reclassification adjustments of other comprehensive income (loss) attributable to parent. |
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|
us-gaap |
Regulated Operating Revenue |
The total amount of regulated operating revenues recognized during the period. |
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|
us-gaap |
Regulatory Assets |
The amount for the individual regulatory asset as itemized in a table of regulatory assets as of the end of the period. |
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|
us-gaap |
Regulatory Assets, Noncurrent |
Carrying amount as of the balance sheet date of capitalized costs of regulated entities that are not expected to be recovered through revenue sources within one year or the normal operating cycle if longer. |
View
|
us-gaap |
Regulatory Liabilities |
The amount for the individual regulatory liability as itemized in a table of regulatory liabilities as of the end of the period. |
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|
us-gaap |
Regulatory Liability, Noncurrent |
The amount for the individual regulatory noncurrent liability as itemized in a table of regulatory noncurrent liabilities as of the end of the period. |
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|
us-gaap |
Related Party Transaction, Rate |
Identify the stated interest rate per the agreement, for example, leasing and debt arrangements between related parties. |
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|
us-gaap |
Repayments of Long-term Capital Lease Obligations |
The cash outflow for the obligation for a lease meeting the criteria for capitalization (with maturities exceeding one year or beyond the operating cycle of the entity, if longer). |
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us-gaap |
Retained Earnings (Accumulated Deficit) |
The cumulative amount of the reporting entity's undistributed earnings or deficit. |
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|
us-gaap |
Revenue from Contract with Customer, Excluding Assessed Tax |
Amount, excluding tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value added and excise. |
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us-gaap |
Revenue from Contract with Customer, Including Assessed Tax |
Amount, including tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value-added and excise. |
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|
us-gaap |
Revenues |
Amount of revenue recognized from goods sold, services rendered, insurance premiums, or other activities that constitute an earning process. Includes, but is not limited to, investment and interest income before deduction of interest expense when recognized as a component of revenue, and sales and trading gain (loss). |
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us-gaap |
Sale of Stock, Consideration Received on Transaction |
Cash received on stock transaction after deduction of issuance costs. |
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|
us-gaap |
Sale of Stock, Number of Shares Issued in Transaction |
The number of shares issued or sold by the subsidiary or equity method investee per stock transaction. |
View
|
us-gaap |
Share-based Payment Arrangement, Noncash Expense |
Amount of noncash expense for share-based payment arrangement. |
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|
us-gaap |
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost (Deprecated 2012-01-31) |
Equity-based compensation cost during the period with respect to the award, which will be recognized in income (as well as the total recognized tax benefit) or capitalized as part of the cost of an asset. |
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us-gaap |
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeited in Period, Weighted Average Grant Date Fair Value (Deprecated 2012-01-31) |
The weighted average fair value as of the grant date of equity-based award plans other than stock (unit) option plans that were not exercised or put into effect during the reporting period as a result of the occurrence of a terminating event specified in the contractual agreement of the plan. |
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us-gaap |
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeitures, Weighted Average Grant Date Fair Value |
Weighted average fair value as of the grant date of equity-based award plans other than stock (unit) option plans that were not exercised or put into effect as a result of the occurrence of a terminating event. |
View
|
us-gaap |
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value |
The weighted average fair value at grant date for nonvested equity-based awards issued during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan). |
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|
us-gaap |
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value |
Per share or unit weighted-average fair value of nonvested award under share-based payment arrangement. Excludes share and unit options. |
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|
us-gaap |
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period, Weighted Average Grant Date Fair Value |
The weighted average fair value as of grant date pertaining to an equity-based award plan other than a stock (or unit) option plan for which the grantee gained the right during the reporting period, by satisfying service and performance requirements, to receive or retain shares or units, other instruments, or cash in accordance with the terms of the arrangement. |
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us-gaap |
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized |
Number of shares authorized for issuance under share-based payment arrangement. |
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|
us-gaap |
Share-based Compensation Arrangement by Share-based Payment Award, Options, Forfeitures and Expirations in Period, Weighted Average Exercise Price |
Weighted average price of options that were either forfeited or expired. |
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|
us-gaap |
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross |
Gross number of share options (or share units) granted during the period. |
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|
us-gaap |
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number |
Number of options outstanding, including both vested and non-vested options. |
View
|
us-gaap |
Share-based Payment Arrangement, Expensed and Capitalized, Amount |
Amount of cost expensed and capitalized for award under share-based payment arrangement. |
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|
us-gaap |
Short-term Bank Loans and Notes Payable |
Amount of borrowings from a bank classified as other, maturing within one year or operating cycle, if longer. |
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|
us-gaap |
Stockholders' Equity Attributable to Parent |
Total of all stockholders' equity (deficit) items, net of receivables from officers, directors, owners, and affiliates of the entity which are attributable to the parent. The amount of the economic entity's stockholders' equity attributable to the parent excludes the amount of stockholders' equity which is allocable to that ownership interest in subsidiary equity which is not attributable to the parent (noncontrolling interest, minority interest). This excludes temporary equity and is sometimes called permanent equity. |
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us-gaap |
Stockholders' Equity Note, Stock Split, Conversion Ratio |
Ratio applied to the conversion of stock split, for example but not limited to, one share converted to two or two shares converted to one. |
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|
us-gaap |
Stock Issued During Period, Shares, Dividend Reinvestment Plan |
Number of shares issued during the period from a dividend reinvestment plan (DRIP). A dividend reinvestment plan allows the shareholders to reinvest dividends paid to them by the entity on new issues of stock by the entity. |
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|
us-gaap |
Stock Issued During Period, Shares, New Issues |
Number of new stock issued during the period. |
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|
us-gaap |
Shares Issued, Shares, Share-based Payment Arrangement, after Forfeiture |
Number, after forfeiture, of shares or units issued under share-based payment arrangement. Excludes shares or units issued under employee stock ownership plan (ESOP). |
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|
us-gaap |
Stock Issued During Period, Value, New Issues |
Equity impact of the value of new stock issued during the period. Includes shares issued in an initial public offering or a secondary public offering. |
View
|
us-gaap |
Tax Cuts and Jobs Act, Incomplete Accounting, Provisional Income Tax Expense (Benefit) (Deprecated 2020-01-31) |
Amount of reasonable estimate for income tax expense (benefit) for which accounting for tax effect is incomplete pursuant to Tax Cuts and Jobs Act. |
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|
us-gaap |
Taxes, Miscellaneous |
All taxes not related to income of the entity or excise or sales taxes levied on the revenue of the entity that are not reported elsewhere. These taxes could include production, real estate, personal property, and pump tax. |
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|
us-gaap |
Taxes Payable, Current |
Carrying value as of the balance sheet date of obligations incurred and payable for statutory income, sales, use, payroll, excise, real, property and other taxes. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer). |
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|
us-gaap |
Treasury Stock, Shares |
Number of common and preferred shares that were previously issued and that were repurchased by the issuing entity and held in treasury on the financial statement date. This stock has no voting rights and receives no dividends. |
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|
us-gaap |
Treasury Stock, Value |
The amount allocated to treasury stock. Treasury stock is common and preferred shares of an entity that were issued, repurchased by the entity, and are held in its treasury. |
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|
us-gaap |
Unamortized Debt Issuance Expense |
The remaining balance of debt issuance expenses that were capitalized and are being amortized against income over the lives of the respective bond issues. This does not include the amounts capitalized as part of the cost of the utility plant or asset. |
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|
us-gaap |
Unbilled Receivables, Current |
Amount received for services rendered and products shipped, but not yet billed, for non-contractual agreements due within one year or the normal operating cycle, if longer. |
View
|
us-gaap |
Unrealized Gain (Loss) on Energy Contracts |
The net change in the difference between the fair value and the carrying value, or in the comparative fair values, of open agreements to purchase or sell energy at some future point, held at each balance sheet date, that was included in earnings for the period. |
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|
us-gaap |
Unrecognized Tax Benefits |
Amount of unrecognized tax benefits. |
View
|
us-gaap |
Unrecognized Tax Benefits, Decrease Resulting from Settlements with Taxing Authorities |
Amount of decrease in unrecognized tax benefits resulting from settlements with taxing authorities. |
View
|
us-gaap |
Unrecognized Tax Benefits, Income Tax Penalties and Interest Accrued |
Amount accrued for interest on an underpayment of income taxes and penalties related to a tax position claimed or expected to be claimed in the tax return. |
View
|
us-gaap |
Unrecognized Tax Benefits, Increase Resulting from Prior Period Tax Positions |
Amount of increase in unrecognized tax benefits resulting from tax positions taken in prior period tax returns. |
View
|
us-gaap |
Unrecognized Tax Benefits, Reduction Resulting from Lapse of Applicable Statute of Limitations |
Amount of decrease in unrecognized tax benefits resulting from lapses of applicable statutes of limitations. |
View
|
us-gaap |
Unregulated Operating Revenue |
The amount of unregulated operating revenues recognized during the period. |
View
|
us-gaap |
Utilities Operating Expense, Impairments |
Amount of operating expense for impairments of regulated operation. |
View
|
us-gaap |
Variable Lease, Cost |
Amount of variable lease cost, excluded from lease liability, recognized when obligation for payment is incurred for finance and operating leases. |
View
|
us-gaap |
Weighted Average Number of Shares Outstanding, Diluted |
The average number of shares or units issued and outstanding that are used in calculating diluted EPS or earnings per unit (EPU), determined based on the timing of issuance of shares or units in the period. |
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|
us-gaap |
Weighted Average Number of Shares Outstanding, Basic |
Number of [basic] shares or units, after adjustment for contingently issuable shares or units and other shares or units not deemed outstanding, determined by relating the portion of time within a reporting period that common shares or units have been outstanding to the total time in that period. |
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|
us-gaap |
Finance Lease, Interest Payment on Liability |
Amount of interest paid on finance lease liability. |
View
|
us-gaap |
Proceeds from Dividends Received |
Dividends received on equity and other investments during the current period. |
View
|
us-gaap |
Public Utilities, Property, Plant and Equipment, Net |
Period end amount of total net PPE. |
View
|
us-gaap |
Right-of-Use Asset Obtained in Exchange for Finance Lease Liability |
Amount of increase in right-of-use asset obtained in exchange for finance lease liability. |
View
|
us-gaap |
Right-of-Use Asset Obtained in Exchange for Operating Lease Liability |
Amount of increase in right-of-use asset obtained in exchange for operating lease liability. |
View
|
us-gaap |
Payments to Noncontrolling Interests |
Amount of cash outflow to a noncontrolling interest. Includes, but not limited to, reduction of noncontrolling interest ownership. Excludes dividends paid to the noncontrolling interest. |
View
|
us-gaap |
Proceeds from Noncontrolling Interests |
Amount of cash inflow from a noncontrolling interest. Includes, but is not limited to, purchase of additional shares or other increase in noncontrolling interest ownership. |
View
|
us-gaap |
Property, Plant, and Equipment and Finance Lease Right-of-Use Asset, before Accumulated Depreciation and Amortization |
Amount, before accumulated depreciation and amortization, of property, plant, and equipment and finance lease right-of-use asset. |
View
|
us-gaap |
Payments to Acquire Businesses, Net of Cash Acquired |
The cash outflow associated with the acquisition of a business, net of the cash acquired from the purchase. |
View
|
us-gaap |
Payments to Acquire Interest in Subsidiaries and Affiliates |
The cash outflow associated with the acquisition of or advances to an entity that is related to it but not strictly controlled (for example, an unconsolidated subsidiary, affiliate, and joint venture or equity method investment) or the acquisition of an additional interest in a subsidiary (controlled entity). |
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|
us-gaap |
Accrued Environmental Loss Contingencies, Current |
Carrying value of the obligation (known or estimated) arising from requirements to perform activities to remediate one or more sites, payable in twelve months or in the next operating cycle if longer. |
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|
us-gaap |
Accumulated Other Comprehensive Income (Loss), Net of Tax |
Accumulated change in equity from transactions and other events and circumstances from non-owner sources, net of tax effect, at period end. Excludes Net Income (Loss), and accumulated changes in equity from transactions resulting from investments by owners and distributions to owners. Includes foreign currency translation items, certain pension adjustments, unrealized gains and losses on certain investments in debt and equity securities, other than temporary impairment (OTTI) losses related to factors other than credit losses on available-for-sale and held-to-maturity debt securities that an entity does not intend to sell and it is not more likely than not that the entity will be required to sell before recovery of the amortized cost basis, as well as changes in the fair value of derivatives related to the effective portion of a designated cash flow hedge. |
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|
us-gaap |
Asset Retirement Obligation, Liabilities Settled |
Amount of asset retirement obligations settled, or otherwise disposed of, during the period. This may include asset retirement obligations transferred to third parties associated with the sale of a long-lived asset. |
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|
us-gaap |
Business Combination, Acquisition Related Costs |
This element represents acquisition-related costs incurred to effect a business combination which costs have been expensed during the period. Such costs include finder's fees; advisory, legal, accounting, valuation, and other professional or consulting fees; general administrative costs, including the costs of maintaining an internal acquisitions department; and may include costs of registering and issuing debt and equity securities. |
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|
us-gaap |
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Liabilities |
Amount of liabilities assumed at the acquisition date. |
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|
us-gaap |
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Net |
Amount recognized as of the acquisition date for the identifiable assets acquired in excess of (less than) the aggregate liabilities assumed. |
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|
us-gaap |
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Noncurrent Liabilities, Other |
Amount of other liabilities due after one year or the normal operating cycle, if longer, assumed at the acquisition date. |
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|
us-gaap |
Comprehensive Income (Loss), Net of Tax, Attributable to Parent |
Amount after tax of increase (decrease) in equity from transactions and other events and circumstances from net income and other comprehensive income, attributable to parent entity. Excludes changes in equity resulting from investments by owners and distributions to owners. |
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|
us-gaap |
Long-term Construction Loan, Noncurrent |
This element represents the noncurrent portion of a long-term real estate loan to finance building costs. The funds are disbursed as needed or in accordance with a prearranged plan; generally, a portion of the funds is disbursed at inception and the remainder as construction progresses. The money is repaid on completion of the project (generally one to seven years), usually from the proceeds of a mortgage loan. The rate is normally higher than the prime rate, and there is usually an origination fee. The effective yield on these loans tends to be high, and the lender has a security interest in the real property. |
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|
us-gaap |
Deferred Income Tax Liabilities, Net |
Amount, after deferred tax asset, of deferred tax liability attributable to taxable differences with jurisdictional netting. |
View
|
us-gaap |
Deferred Revenue, Noncurrent |
Amount of deferred income and obligation to transfer product and service to customer for which consideration has been received or is receivable, classified as noncurrent. |
View
|
us-gaap |
Deferred Tax Assets, Tax Deferred Expense, Compensation and Benefits |
Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from compensation and benefits costs. |
View
|
us-gaap |
Defined Benefit Plan, Plan Assets, Contributions by Employer |
Amount of contribution received by defined benefit plan from employer which increases plan assets. |
View
|
us-gaap |
Defined Benefit Plan, Effect of One Percentage Point Decrease on Accumulated Postretirement Benefit Obligation |
Amount of decrease in accumulated postretirement benefit obligation from one-percentage-point decrease in assumed health care cost trend rate. |
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|
us-gaap |
Derivative, Net Liability Position, Aggregate Fair Value |
The aggregate fair value amounts of derivative instruments that contain credit-risk-related contingent features that are in a net liability position at the end of the reporting period. For nonderivative instruments that are designated and qualify as hedging instruments, the fair value amounts are the carrying value of the nonderivative hedging instrument, including the adjustment for the foreign currency transaction gain (loss) on that instrument. |
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us-gaap |
Payments to Acquire Notes Receivable |
The cash outflow to acquire an agreement for an unconditional promise by the maker to pay the entity (holder) a definite sum of money at a future date. Such amount may include accrued interest receivable in accordance with the terms of the note. The note also may contain provisions including a discount or premium, payable on demand, secured, or unsecured, interest bearing or noninterest bearing, among myriad other features and characteristics. |
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us-gaap |
Equity Method Investment, Other than Temporary Impairment |
This item represents an other than temporary decline in value that has been recognized against an investment accounted for under the equity method of accounting. The excess of the carrying amount over the fair value of the investment represents the amount of the write down which is or was reflected in earnings. The written down value is a new cost basis with the adjusted value of the investment becoming its new carrying value subject to the equity accounting method. Evidence of a loss in value might include, but would not necessarily be limited to, absence of an ability to recover the carrying amount of the investment or inability of the investee to sustain an earnings capacity which would justify the carrying amount of the investment. |
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us-gaap |
Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Inputs Reconciliation, Gain (Loss) Included in Earnings |
Amount of gain (loss) recognized in income from derivative asset (liability) after deduction of derivative liability (asset), measured at fair value on recurring basis using unobservable input (level 3). |
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us-gaap |
Finite-Lived Intangible Asset, Expected Amortization, Year One |
Amount of amortization for assets, excluding financial assets and goodwill, lacking physical substance with finite life expected to be recognized in next fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach). |
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us-gaap |
Other than Temporary Impairment Losses, Investments |
The amount by which the fair value of an investment is less than the amortized cost basis or carrying amount of that investment at the balance sheet date and the decline in fair value is deemed to be other than temporary, before considering whether or not such amount is recognized in earnings or other comprehensive income. |
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us-gaap |
Income (Loss) from Continuing Operations, Per Diluted Share |
The amount of net income (loss) derived from continuing operations during the period available to each share of common stock or common unit outstanding during the reporting period and to each share or unit that would have been outstanding assuming the issuance of common shares or units for all dilutive potential common shares or units outstanding during the reporting period. |
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us-gaap |
Effective Income Tax Rate Reconciliation at Federal Statutory Income Tax Rate, Amount |
The amount of income tax expense or benefit for the period computed by applying the domestic federal statutory tax rates to pretax income from continuing operations. |
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us-gaap |
Effective Income Tax Rate Reconciliation, Nondeductible Expense, Depreciation and Amortization, Amount |
Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to nondeductible depreciation and amortization. |
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us-gaap |
Interest Rate Cash Flow Hedge Gain (Loss) Reclassified to Earnings, Net |
The amount of net gains or losses on interest rate cash flow hedges reclassified during the period to earnings from accumulated other comprehensive income upon the hedged transaction affecting earnings. |
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us-gaap |
Inventory, Raw Materials and Supplies, Gross |
Gross amount of unprocessed materials to be used in manufacturing or production process and supplies that will be consumed. |
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us-gaap |
Disposal Group, Including Discontinued Operation, Liabilities, Current |
Amount classified as liabilities attributable to disposal group held for sale or disposed of, expected to be disposed of within one year or the normal operating cycle, if longer. |
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us-gaap |
Line of Credit Facility, Current Borrowing Capacity |
Amount of current borrowing capacity under the credit facility considering any current restrictions on the amount that could be borrowed (for example, borrowings may be limited by the amount of current assets), but without considering any amounts currently outstanding under the facility. |
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us-gaap |
Noncontrolling Interest, Increase from Equity Issuance or Sale of Parent Equity Interest (Deprecated 2013-01-31) |
Represents an increase in noncontrolling interest from issuance of additional equity interests to noncontrolling interest holders or the sale of a portion of the parent's controlling interest. |
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us-gaap |
Number of Operating Segments |
Number of operating segments. An operating segment is a component of an enterprise: (a) that engages in business activities from which it may earn revenues and incur expenses (including revenues and expenses relating to transactions with other components of the same enterprise), (b) whose operating results are regularly reviewed by the enterprise's chief operating decision maker to make decisions about resources to be allocated to the segment and assess its performance, and (c) for which discrete financial information is available. An operating segment may engage in business activities for which it has yet to earn revenues, for example, start-up operations may be operating segments before earning revenues. |
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us-gaap |
Operating Leases, Future Minimum Payments Due, Next Twelve Months |
Amount of required minimum rental payments for operating leases having an initial or remaining non-cancelable lease term in excess of one year due in the next fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date. |
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us-gaap |
OCI, Debt Securities, Available-for-Sale, Gain (Loss), after Adjustment and Tax |
Amount, after tax and adjustment, of unrealized gain (loss) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale) and unrealized gain (loss) on investment in debt security measured at amortized cost (held-to-maturity) from transfer to available-for-sale. |
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us-gaap |
Other Comprehensive Income (Loss), before Reclassifications, Net of Tax |
Amount after tax, before reclassification adjustments of other comprehensive income (loss). |
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us-gaap |
Other Comprehensive Income (Loss), Net of Tax (Deprecated 2012-01-31) |
This element represents Other Comprehensive Income or Loss, Net of Tax, for the period. Includes deferred gains or losses on qualifying hedges, unrealized holding gains or losses on available-for-sale securities, minimum pension liability, and cumulative translation adjustment. While for technical reasons this element has no balance attribute, the default assumption is a credit balance consistent with its label. |
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us-gaap |
Property, Plant and Equipment, Useful Life, Maximum (Deprecated 2012-01-31) |
The maximum useful life of long-lived, physical assets used in the normal conduct of business and not intended for resale. Examples include land, buildings, machinery and equipment, and other types of furniture and equipment including, but not limited to, office equipment, furniture and fixtures, and computer equipment and software. |
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us-gaap |
Restricted Cash, Current |
Amount of cash restricted as to withdrawal or usage, classified as current. Cash includes, but is not limited to, currency on hand, demand deposits with banks or financial institutions, and other accounts with general characteristics of demand deposits. |
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us-gaap |
Revenue Not from Contract with Customer |
Amount of revenue that is not accounted for under Topic 606. |
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us-gaap |
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest |
Amount of stockholders' equity (deficit), net of receivables from officers, directors, owners, and affiliates of the entity, attributable to both the parent and noncontrolling interests. Amount excludes temporary equity. Alternate caption for the concept is permanent equity. |
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us-gaap |
Unrealized Gain (Loss) on Derivatives |
The net change in the difference between the fair value and the carrying value, or in the comparative fair values, of derivative instruments, including options, swaps, futures, and forward contracts, held at each balance sheet date, that was included in earnings for the period. |
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us-gaap |
Other Asset Impairment Charges |
The charge against earnings resulting from the write down of long lived assets other than goodwill due to the difference between the carrying value and lower fair value. |
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us-gaap |
Noncontrolling Interest, Decrease from Distributions to Noncontrolling Interest Holders |
Decrease in noncontrolling interest balance from payment of dividends or other distributions by the non-wholly owned subsidiary or partially owned entity, included in the consolidation of the parent entity, to the noncontrolling interest holders. |
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