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Company Name: PIEDMONT NATURAL GAS CO INC
CIK: 78460
Phone: None
Fiscal Year End: None
Entity Type:
SIC: -
Category Type:
Entity Name: None
First Filing Date: 2010-09-09
Last Filing Date: 2017-02-14
SEC Filings
Start End Frame Filed ACCN Value View
2016-11-01 2016-12-31 CY2016Q4 2017-02-14 0000078460-17-000004 $ 52,000,000 View
2012-11-01 2013-10-31 CY2011 2013-12-23 0001193125-13-481979 $ 74,884,000 View
2014-11-01 2015-01-31 CY2013Q4 2015-03-06 0000078460-15-000004 $ 78,620,000 View
2015-11-01 2016-01-31 CY2015Q4 2016-03-09 0000078460-16-000052 $ 80,963,000 View
2016-02-01 2016-04-30 CY2016Q1 2016-06-08 0000078460-16-000059 $ 81,109,000 View
2016-05-01 2016-07-31 CY2016Q2 2016-09-07 0000078460-16-000062 $ 81,214,000 View
2015-11-01 2016-10-31 CY2016 2016-12-22 0000078460-16-000066 $ 4,600,000 View
2010-05-01 2010-07-31 CY2009Q2 2010-09-09 0000950123-10-084754 $ 71,968,000 View
2010-11-01 2011-01-31 CY2009Q4 2011-03-11 0000950123-11-024460 $ 72,194,000 View
2011-02-01 2011-04-30 CY2010Q1 2011-06-08 0000950123-11-057409 $ 71,824,000 View
2011-05-01 2011-07-31 CY2010Q2 2011-09-09 0001193125-11-243901 $ 72,007,000 View
2011-11-01 2012-01-31 CY2010Q4 2012-03-09 0001193125-12-105277 $ 72,126,000 View
2012-02-01 2012-04-30 CY2011Q1 2012-06-07 0001193125-12-263423 $ 71,731,000 View
2012-05-01 2012-07-31 CY2011Q2 2012-09-07 0001193125-12-383402 $ 71,936,000 View
2011-11-01 2012-10-31 CY2010 2012-12-21 0001193125-12-511499 $ 71,977,000 View
2009-11-01 2010-10-31 CY2008 2010-12-23 0000950123-10-116014 $ 72,275,000 View
2010-11-01 2011-10-31 CY2009 2011-12-23 0001193125-11-351494 $ 72,056,000 View
2012-11-01 2013-01-31 CY2011Q4 2013-03-06 0001193125-13-093867 $ 72,356,000 View
2013-02-01 2013-04-30 CY2012Q1 2013-06-07 0001193125-13-251677 $ 75,463,000 View
2013-05-01 2013-07-31 CY2012Q2 2013-09-05 0001193125-13-358390 $ 75,774,000 View
2013-11-01 2014-01-31 CY2012Q4 2014-03-06 0001193125-14-086548 $ 76,988,000 View
2014-02-01 2014-04-30 CY2013Q1 2014-06-06 0001193125-14-227821 $ 77,982,000 View
2014-05-01 2014-07-31 CY2013Q2 2014-09-05 0000078460-14-000004 $ 78,185,000 View
2013-11-01 2014-10-31 CY2012 2014-12-23 0000078460-14-000008 $ 77,883,000 View
2015-02-01 2015-04-30 CY2014Q1 2015-06-05 0000078460-15-000007 $ 78,818,000 View
2015-05-01 2015-07-31 CY2014Q2 2015-09-03 0000078460-15-000010 $ 79,039,000 View
2014-11-01 2015-10-31 CY2015 2015-12-23 0000078460-15-000047 $ 78,942,000 View
SEC Facts By Type
Type Name Description View
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. View
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. View
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. View
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. View
us-gaap Asset Retirement Obligation, Cash Paid to Settle Amount of cash paid during the period to settle an asset retirement obligation. Amounts paid to settle an asset retirement obligation are generally included in the operating section of the Statement of Cash Flows. View
us-gaap Business Combination, Integration Related Costs Costs incurred to effect a business combination which have been expensed during the period. Such costs could include business integration costs, systems integration and conversion costs, and severance and other employee-related costs. View
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. View
us-gaap Customer Deposits, Current The current portion of money or property received from customers which is either to be returned upon satisfactory contract completion or applied to customer receivables in accordance with the terms of the contract or the understandings. View
us-gaap Deferred Compensation Cash-based Arrangements, Liability, Classified, Noncurrent Aggregate carrying value as of the balance sheet date of the liabilities for deferred compensation arrangements payable after one year (or the normal operating cycle, if longer). Represents currently earned compensation under cash arrangements (such as a profit-sharing plan, rabbi trust, and employee contract--excluding equity-based arrangements) that is not actually paid until a later date. View
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. View
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. View
us-gaap Defined Benefit Plan, Plan Assets Level 3 Reconciliation, Increase (Decrease) for Assets Transferred into (out of) Level 3 Amount, measured using unobservable inputs, of increase (decrease) in plan assets of defined benefit plan, for assets transferred into (out of) Level 3 of fair value hierarchy. Includes, but is not limited to, transfer due to change in observability of significant inputs. View
us-gaap Employee Stock Ownership Plan (ESOP), Tax Benefit of Dividends Paid to Plan The tax benefit resulting from dividends paid on preferred stock held by an employee stock option plan, when that stock is not a common stock equivalent. View
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. View
us-gaap Gain (Loss) on Sale of Equity Method Investments (Deprecated 2011-01-31) The difference between the book value and the sale price of investments in joint ventures and entities in which the reporting entity has an equity ownership interest, generally of 20 to 50 percent, and exercises significant influence. This element refers to the noncash Gain or Loss. View
us-gaap Income Taxes Receivable Carrying amount as of the balance sheet date of income taxes previously overpaid to tax authorities (such as U.S. Federal, state and local tax authorities) representing refunds of overpayments or recoveries based on agreed-upon resolutions of disputes. Also called income tax refund receivable. View
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. View
us-gaap Effective Income Tax Rate Reconciliation, Nondeductible Expense, 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 amortization. View
us-gaap Effective Income Tax Rate Reconciliation, Nondeductible Expense, Depreciation, 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. View
us-gaap Effective Income Tax Rate Reconciliation, Other Adjustments, 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 adjustments. View
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). View
us-gaap Effective Income Tax Rate Reconciliation, Tax Credit, 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 credits. Including, but not limited to, research credit, foreign tax credit, investment tax credit, and other tax credits. View
us-gaap Incremental Common Shares Attributable to Dilutive Effect of Nonvested Shares with Forfeitable Dividends Number of additional shares included in diluted EPS for potentially dilutive effect of nonvested equity-based payment award containing forfeitable rights to dividends or dividend equivalents, whether paid or unpaid. View
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). View
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. View
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. View
us-gaap Other Comprehensive Income (Loss), Reclassification Adjustment on Derivatives Included in Net Income, Net of Tax (Deprecated 2012-01-31) Net of tax effect of the reclassification adjustment for accumulated gains and losses from derivative instrument designated and qualifying as the effective portion of cash flow hedges included in accumulated comprehensive income that was realized in net income during the period. View
us-gaap Postemployment Benefits Liability, Noncurrent For a classified balance sheet, the carrying amount as of the balance sheet date of the portion of the obligations recognized for the various benefits provided to former or inactive employees, their beneficiaries, and covered dependents after employment but before retirement that is payable after one year (or beyond the operating cycle if longer). View
us-gaap Property, Plant and Equipment, Other, Accumulated Depreciation Amount of accumulated depreciation of long-lived, physical assets used to produce goods and services and not intended for resale, classified as other. View
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. View
us-gaap Property, Plant and Equipment, Useful Life, Minimum (Deprecated 2012-01-31) The minimum 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. View
us-gaap Related Party Transaction, Expenses from Transactions with Related Party Expenses recognized resulting from transactions (excluding transactions that are eliminated in consolidated or combined financial statements) with related party. View
us-gaap Remaining Amounts of Regulatory Assets for which No Return on Investment During Recovery Period is Provided Remaining balance of regulatory assets for which no return on investment during recovery is provided. In some cases, a regulator may permit an enterprise to include a cost that would be charged to expense by an unregulated enterprise as an allowable cost over a period of time by amortizing that cost for rate-making purposes, but the regulator does not include the unrecovered amount in the rate base. View
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. View
us-gaap Unrecorded Unconditional Purchase Obligation, to be Paid, Year Four Amount of fixed and determinable portion of unrecorded unconditional purchase obligation 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). View
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. View
us-gaap Accelerated Share Repurchases, Final Price Paid Per Share Final price paid per share for the purchase of the targeted number of shares, determined by an average market price over a fixed period of time. View
us-gaap Accelerated Share Repurchases, Initial Price Paid Per Share The price paid per share to immediately purchase the targeted number of shares on the date of executing the accelerated share repurchase agreement. View
us-gaap Accelerated Share Repurchases, Settlement (Payment) or Receipt Amount of cash receipt from (payment to) bank; or stock received from (issuance to) bank in the settlement of the accelerated share repurchase agreement. View
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). View
us-gaap Accounts Payable, Other, Current Amount of obligations incurred classified as other, payable within one year or the normal operating cycle, if longer. View
us-gaap Accounts Payable, Trade, Current Carrying value as of the balance sheet date of obligations 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). View
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. View
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. View
us-gaap Accrual for Environmental Loss Contingencies Total costs accrued as of the balance sheet date for environmental loss contingencies. View
us-gaap Accrual for Environmental Loss Contingencies, Gross Undiscounted amount of the accrual for environmental loss contingencies. View
us-gaap Accrued Income Taxes, Current Carrying amount as of the balance sheet date of the unpaid sum of the known and estimated amounts payable to satisfy all currently due domestic and foreign income tax obligations. View
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. View
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. View
us-gaap Accumulated Other Comprehensive Income (Loss), Cumulative Changes in Net Gain (Loss) from Cash Flow Hedges, Effect Net of Tax Accumulated change, net of tax, in accumulated gains and losses from derivative instruments designated and qualifying as the effective portion of cash flow hedges. Includes an entity's share of an equity investee's Increase or Decrease in deferred hedging gains or losses. View
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. View
us-gaap APIC, Share-based Payment Arrangement, Increase for Cost Recognition Amount of increase to additional paid-in capital (APIC) for recognition of cost for award under share-based payment arrangement. View
us-gaap Share-based Payment Arrangement, Expense Amount of expense for award under share-based payment arrangement. Excludes amount capitalized. View
us-gaap Allowance for Doubtful Accounts, Premiums and Other Receivables The valuation allowance as of the balance sheet date to reduce the gross amount of receivables to estimated net realizable value, which would be presented in parentheses on the face of the balance sheet. View
us-gaap Accounts Receivable, Allowance for Credit Loss, Current Amount of allowance for credit loss on accounts receivable, classified as current. View
us-gaap Allowance for Funds Used During Construction, Investing Activities Cash inflow due to change during the period in the allowance for other funds used during construction classified as an investing activity. View
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. View
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. View
us-gaap Asset Retirement Obligation, Legally Restricted Assets, Fair Value Carrying amount of an asset that is legally restricted for purposes of settling an asset retirement obligation. View
us-gaap Asset Retirement Obligation, Liabilities Incurred Amount of asset retirement obligations incurred during the period. View
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. View
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. View
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. View
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. View
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. View
us-gaap Assets, Fair Value Disclosure Fair value portion of probable future economic benefits obtained or controlled by an entity as a result of past transactions or events. View
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. View
us-gaap Business Acquisition, Transaction Costs Amount of direct costs of the business combination including legal, accounting, and other costs incurred to consummate the business acquisition. View
us-gaap Business Acquisition, Share Price Price of a single share of a number of saleable stocks paid or offered to be paid in a business combination. View
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. View
us-gaap Capital Expenditures Incurred but Not yet Paid Future cash outflow to pay for purchases of fixed assets that have occurred. View
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. View
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. View
us-gaap Commercial Paper Carrying value as of the balance sheet date of short-term borrowings using unsecured obligations issued by banks, corporations and other borrowers to investors. The maturities of these money market securities generally do not exceed 270 days. View
us-gaap Commitments and Contingencies Represents the caption on the face of the balance sheet to indicate that the entity has entered into (1) purchase or supply arrangements that will require expending a portion of its resources to meet the terms thereof, and (2) is exposed to potential losses or, less frequently, gains, arising from (a) possible claims against a company's resources due to future performance under contract terms, and (b) possible losses or likely gains from uncertainties that will ultimately be resolved when one or more future events that are deemed likely to occur do occur or fail to occur. View
us-gaap Common Stock, Capital Shares Reserved for Future Issuance Aggregate number of common shares reserved for future issuance. View
us-gaap Common Stock, Dividends, Per Share, Cash Paid Aggregate dividends paid during the period for each share of common stock outstanding. View
us-gaap Common Stock, Dividends, Per Share, Declared Aggregate dividends declared during the period for each share of common stock outstanding. View
us-gaap Common Stock, No Par Value Face amount per share of no-par value common stock. View
us-gaap Common Stock, Shares Authorized The maximum number of common shares permitted to be issued by an entity's charter and bylaws. View
us-gaap Common Stock, Shares, Outstanding Number of shares of common stock outstanding. Common stock represent the ownership interest in a corporation. View
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. View
us-gaap Common Stock, Value, Outstanding Value of all classes of common stock held by shareholders. May be all or portion of the number of common shares authorized. These shares exclude common shares repurchased by the entity and held as treasury shares. View
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. View
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. View
us-gaap Construction in Progress Expenditures Incurred but Not yet Paid Future cash outflow to pay for construction in progress expenditures that have occurred. View
us-gaap Contributions in Aid of Construction "Developers, builders, governmental agencies and municipalities will provide the entity with cash, or in some cases property, to extend its services to their properties. Nonrefundable contributions are recorded as contributions in aid of construction (""CIAC"")." View
us-gaap Costs and Expenses Total costs of sales and operating expenses for the period. View
us-gaap Current Federal Tax Expense (Benefit) Amount of current federal tax expense (benefit) pertaining to income (loss) from continuing operations. View
us-gaap Current Income Tax Expense (Benefit) Amount of current income tax expense (benefit) pertaining to taxable income (loss) from continuing operations. View
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. View
us-gaap Deferred Tax Liabilities, Net Amount, after deferred tax asset, of deferred tax liability attributable to taxable differences without jurisdictional netting. View
us-gaap Customer Refund Liability, Current Current regulatory liabilities generally represent obligations to make refunds to customers for various reasons including overpayment. View
us-gaap Long-term Debt, Gross Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt. View
us-gaap Debt Instrument, Unamortized Discount Amount, after accumulated amortization, of debt discount. View
us-gaap Debt Instrument, Unamortized Discount (Premium) and Debt Issuance Costs, Net Amount of unamortized debt discount (premium) and debt issuance costs. View
us-gaap Deferred Compensation Cash-based Arrangements, Liability, Current Aggregate carrying value as of the balance sheet date of the liabilities for deferred compensation arrangements payable within one year (or the normal operating cycle, if longer). Represents currently earned compensation under cash arrangements (such as a profit-sharing plan, rabbi trust, and employee contract--excluding equity-based arrangements) that is not actually paid until a later date. View
us-gaap Deferred Compensation Cash-based Arrangements, Liability, Current and Noncurrent Aggregate carrying value as of the balance sheet date of the liabilities for deferred compensation arrangements. Represents currently earned compensation under cash arrangements (such as a profit-sharing plan, rabbi trust, and employee contract--excluding equity-based arrangements) that is not actually paid until a later date. View
us-gaap Deferred Compensation Share-based Arrangements, Liability, Current and Noncurrent Aggregate carrying value as of the balance sheet date of the liabilities for stock option plans and other equity-based compensation arrangements. View
us-gaap Deferred Federal Income Tax Expense (Benefit) Amount of deferred federal income tax expense (benefit) pertaining to income (loss) from continuing operations. View
us-gaap Deferred Income Tax Expense (Benefit) Amount of deferred income tax expense (benefit) pertaining to income (loss) from continuing operations. View
us-gaap Deferred Income Taxes and Other Tax Liabilities, Noncurrent Amount of deferred tax liability attributable to taxable temporary differences, after deferred tax asset, and other tax liabilities expected to be paid after one year or operating cycle, if longer. View
us-gaap Deferred Income Taxes and Tax Credits Amount of deferred income tax expense (benefit) and income tax credits. View
us-gaap Deferred Tax Liabilities, Gross Amount of deferred tax liability attributable to taxable temporary differences. View
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. View
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. View
us-gaap Deferred Tax Assets, Gross Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences and carryforwards. View
us-gaap Deferred Tax Assets, Net Amount, after allocation of valuation allowances and deferred tax liability, of deferred tax asset attributable to deductible differences and carryforwards, without jurisdictional netting. View
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. View
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. View
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. View
us-gaap Deferred Tax Assets, Operating Loss Carryforwards Amount before allocation of valuation allowances of deferred tax asset attributable to deductible operating loss carryforwards. View
us-gaap Deferred Tax Assets, Other Amount, before allocation of valuation allowance, of deferred tax asset attributable to deductible temporary differences, classified as other. View
us-gaap Deferred Tax Assets, Property, Plant and Equipment Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from property, plant, and equipment. 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 Deferred Tax Assets, Tax Deferred Expense, Reserves and Accruals, Other Amount, before allocation of valuation allowance, of deferred tax asset attributable to deductible temporary differences from reserves and accruals, classified as other. View
us-gaap Deferred Tax Liabilities, Deferred Expense Amount of deferred tax liability attributable to taxable temporary differences from capitalized costs. View
us-gaap Deferred Tax Liabilities, Derivatives Amount of deferred tax liability attributable to taxable temporary differences from derivatives. View
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. View
us-gaap Deferred Tax Liabilities, Other Amount of deferred tax liability attributable to taxable temporary differences classified as other. View
us-gaap Deferred Tax Liabilities, Property, Plant and Equipment Amount of deferred tax liability attributable to taxable temporary differences from property, plant, and equipment. View
us-gaap Deferred Tax Liabilities, Regulatory Assets Amount of deferred tax liability attributable to taxable temporary differences from regulatory assets. View
us-gaap Deferred Tax Liabilities, Tax Deferred Income Amount of deferred tax liability attributable to taxable temporary differences from tax deferred revenue or income classified as other. View
us-gaap Defined Benefit Plan, Plan Assets Level 3 Reconciliation, Increase (Decrease) for Actual Return (Loss) on Plan Assets Sold Amount, measured using unobservable inputs, of increase (decrease) in plan assets of defined benefit plan from actual return (loss) on assets sold. View
us-gaap Defined Benefit Plan, Plan Assets Level 3 Reconciliation, Increase (Decrease) for Actual Return (Loss) on Plan Assets Still Held Amount, measured using unobservable inputs, of increase (decrease) in plan assets of defined benefit plan from actual return (loss) on assets still held. View
us-gaap Defined Benefit Plan, Amounts for Asset (Liability) Recognized in Statement of Financial Position Amount of asset (liability), recognized in statement of financial position, for defined benefit pension and other postretirement plans. View
us-gaap Assets for Plan Benefits, Defined Benefit Plan Amount of asset, recognized in statement of financial position, for overfunded defined benefit pension and other postretirement plans. View
us-gaap Defined Benefit Plan, Assumptions Used Calculating Benefit Obligation, Discount Rate Weighted average rate for present value of future retirement benefits cash flows, used to determine benefit obligation of defined benefit plan. View
us-gaap Defined Benefit Plan, Effect of One Percentage Point Decrease on Accumulated Postretirement Benefit Obligation (Deprecated 2012-01-31) The effect of a one-percentage-point decrease in the assumed health care cost trend rates on the accumulated postretirement benefit obligation for health care benefits. 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. View
us-gaap Defined Benefit Plan, Effect of One Percentage Point Decrease on Service and Interest Cost Components (Deprecated 2012-01-31) The effect of a one-percentage- point decrease in the assumed health care cost trend rates on the aggregate of the service and interest cost components of net periodic postretirement health care benefit costs. View
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. View
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. View
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. View
us-gaap Defined Benefit Plan, Plan Assets, Amount Amount of asset segregated and restricted to provide benefit under defined benefit plan. Asset includes, but is not limited to, stock, bond, other investment, earning from investment, and contribution by employer and employee. View
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. View
us-gaap Defined Benefit Plan, Plan Assets Level 3 Reconciliation, Increase (Decrease) for Purchase, Sale, and Settlement Amount, measured using unobservable input, of increase (decrease) in plan asset of defined benefit plan from purchase, sale and settlement of trade associated with underlying investment. View
us-gaap Share-based Payment Arrangement, Expense, Tax Benefit Amount of tax benefit for recognition of expense of award under share-based payment arrangement. View
us-gaap Defined Benefit Plan, Ultimate Health Care Cost Trend Rate (Deprecated 2017-01-31) The ultimate trend rate for health care costs. View
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. View
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. View
us-gaap Derivative Asset, Collateral, Obligation to Return Cash, Offset Amount of obligation to return cash collateral under master netting arrangements offset against derivative assets. View
us-gaap Derivative Asset Fair value, after the 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 not subject to a master netting arrangement and not elected to be offset. View
us-gaap Derivative Asset, Current Fair value, after the 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, 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. View
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. View
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. View
us-gaap Derivative Instruments Not Designated as Hedging Instruments, Loss Amount of realized and unrealized loss of derivative instruments not designated or qualifying as hedging instruments. View
us-gaap Derivative Liability 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. Includes liabilities not subject to a master netting arrangement and not elected to be offset. View
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. View
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. View
us-gaap Derivative Liability, Collateral, Right to Reclaim Cash, Offset Amount of right to receive cash collateral under master netting arrangements offset against derivative liabilities. View
us-gaap Dividends Amount of paid and unpaid cash, stock, and paid-in-kind (PIK) dividends declared, for example, but not limited to, common and preferred stock. View
us-gaap Dividends, Common Stock, Cash Amount of paid and unpaid common stock dividends declared with the form of settlement in cash. View
us-gaap Dividends, Common Stock, Paid-in-kind Amount of paid and unpaid common stock dividends declared with the form of settlement in payment-in-kind (PIK). View
us-gaap Due from Related Parties, Current The aggregate amount of receivables to be collected from related parties where one party can exercise control or significant influence over another party; including affiliates, owners or officers and their immediate families, pension trusts, and so forth, at the financial statement date. which are usually due within one year (or one business cycle). View
us-gaap Due to Related Parties, Current Carrying amount as of the balance sheet date of obligations due all related parties. For classified balance sheets, represents the current portion of such liabilities (due within one year or within the normal operating cycle if longer). View
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. View
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. View
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. View
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. View
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. View
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. View
us-gaap Development Stage Entities, Equity Issuance, Per Share Amount (Deprecated 2015-01-31) Amount per share or per unit assigned to the consideration received of equity securities issued for development stage entities. View
us-gaap Proceeds from Equity Method Investment, Distribution Amount of distribution received from equity method investee for return on investment, classified as operating activities. Excludes distribution for return of investment, classified as investing activities. View
us-gaap Equity Method Investment, Realized Gain (Loss) on Disposal Amount of gain (loss) on sale or disposal of an equity method investment. View
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. View
us-gaap Fair Value, Assets Measured on Recurring Basis, Derivative Financial Instruments, Assets (Deprecated 2011-01-31) This element represents a certain statement of financial position asset caption which represents a class of assets, or which may include an individual asset, measured at fair value on a recurring basis. View
us-gaap Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Inputs Reconciliation, Period Increase (Decrease) Amount of increase (decrease) 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. View
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. View
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. View
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. View
us-gaap Federal Income Tax Expense (Benefit), Continuing Operations Amount of current and deferred federal income tax expense (benefit) attributable to income (loss) from continuing operations. View
us-gaap Forward Contract Indexed to Issuer's Equity, Forward Rate Per Share The per share price of the Company's stock at which the contract holder of the freestanding contract has the right to purchase or sell the Company's stock at a future date. View
us-gaap Forward Contract Indexed to Issuer's Equity, Indexed Shares The number of issuer's shares to which the forward contract is indexed. View
us-gaap Forward Contract Indexed to Issuer's Equity, Settlement Alternatives, Cash, at Fair Value Current fair value of each cash settlement alternative for each freestanding forward contract. View
us-gaap Forward Contract Indexed to Issuer's Equity, Shares The maximum number of shares that could be issued to net share settle a contract, if applicable. If a contract does not have a fixed or determinable maximum number of shares that may be required to be issued, disclose the fact that a potentially infinite number of shares could be issued to settle the contract. View
us-gaap Gain (Loss) on Disposition of Property (Deprecated 2013-01-31) The gains (losses) included in results of operations resulting from the sale or disposal of property, plant and equipment, which do not qualify for treatment as discontinued operations. This item does not include any gain (loss) recognized on the sale of oil and gas property or timber property. View
us-gaap Gain (Loss) on Disposition of Oil and Gas and Timber Property Amount of gain (loss) on sale or disposal of oil and gas property or timber property. View
us-gaap Gain on Sale of Investments The difference between the carrying value and the sale price of an investment. A gain would be recognized when the sale price of the investment is greater than the carrying value of the investment. This element refers to the Gain included in earnings and not to the cash proceeds of the sale. View
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. View
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. View
us-gaap Goodwill, Impaired, Accumulated Impairment Loss Amount of accumulated impairment loss for an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized. View
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. View
us-gaap Gross Profit Aggregate revenue less cost of goods and services sold or operating expenses directly attributable to the revenue generation activity. View
us-gaap Impairment of Intangible Assets, Indefinite-lived (Excluding Goodwill) Amount of impairment loss resulting from write-down of assets, excluding financial assets and goodwill, lacking physical substance and having a projected indefinite period of benefit to fair value. View
us-gaap Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest Amount of income (loss) from continuing operations, including income (loss) from equity method investments, before deduction of income tax expense (benefit), and income (loss) attributable to noncontrolling interest. View
us-gaap Income (Loss) from Equity Method Investments Amount of income (loss) for proportionate share of equity method investee's income (loss). View
us-gaap Income Tax Expense (Benefit) Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations. View
us-gaap Income Taxes Paid The amount of cash paid during the current period to foreign, federal, state, and local authorities as taxes on income. View
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. View
us-gaap Income Taxes Receivable, Current Carrying amount due within one year of the balance sheet date (or one operating cycle, if longer) from tax authorities as of the balance sheet date representing refunds of overpayments or recoveries based on agreed-upon resolutions of disputes. View
us-gaap Income Taxes Receivable, Noncurrent Carrying amount due after one year of the balance sheet date (or one operating cycle, if longer) from tax authorities as of the balance sheet date representing refunds of overpayments or recoveries based on agreed-upon resolutions of disputes. View
us-gaap Incremental Common Shares Attributable to Dilutive Effect of Equity Forward Agreements Additional shared included in the calculation of diluted EPS as a result of the potentially dilutive effect of equity forward arrangements using the reverse treasury stock method. View
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. View
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. View
us-gaap Increase (Decrease) in Accounts Payable The increase (decrease) during the reporting period in the aggregate amount 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. View
us-gaap Increase (Decrease) in Accrued Taxes Payable The increase (decrease) during the reporting period of all taxes owed but not paid, including income, property and other taxes. View
us-gaap Increase (Decrease) in Asset Retirement Obligations The increase (decrease) during the reporting period in the carrying amount of asset retirement obligations. View
us-gaap Increase (Decrease) in Commodity Contract Assets and Liabilities The increase (decrease) during the reporting period in the assets (liabilities) created through trading commodity-based derivative instruments. View
us-gaap Increase (Decrease) in Due from Related Parties, Current The aggregate increase (decrease) during the reporting period in the amount due from the following types of related parties: a parent company and its subsidiaries; subsidiaries of a common parent; an entity and trust for the benefit of employees, such as pension and profit-sharing trusts that are managed by or under the trusteeship of the entity's management; an entity and its principal owners, management, or member of their immediate families, affiliates, or other parties with the ability to exert significant influence. View
us-gaap Increase (Decrease) in Due to Other Related Parties, Current Amount of increase (decrease) in related party payables classified as other, due within one year or operating cycle, if longer. View
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. View
us-gaap Increase (Decrease) in Other Current Assets Amount of increase (decrease) in current assets classified as other. View
us-gaap Increase (Decrease) in Other Current Liabilities Amount of increase (decrease) in current liabilities classified as other. View
us-gaap Increase (Decrease) in Other Financial Instruments Used in Operating Activities Amount of increase (decrease) in fair value of other financial instruments used in operating activities. View
us-gaap Increase (Decrease) in Other Operating Assets Amount of increase (decrease) in operating assets classified as other. View
us-gaap Increase (Decrease) in Other Operating Liabilities Amount of increase (decrease) in operating liabilities classified as other. View
us-gaap Increase (Decrease) in Other Regulatory Assets The increase (decrease) during the reporting period in the value of other assets that are created when regulatory agencies permits public utilities to defer costs to the balance sheet. View
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. View
us-gaap Increase (Decrease) in Prepaid Pension Costs (Deprecated 2017-01-31) The increase (decrease) during the reporting period in prepaid pension costs. View
us-gaap Increase (Decrease) in Receivables The increase (decrease) during the reporting period in the total amount due within one year (or one operating cycle) from all parties, associated with underlying transactions that are classified as operating activities. View
us-gaap Increase (Decrease) in Regulatory Liabilities The increase (decrease) during the reporting period in regulated liabilities. Regulated liabilities are created when regulatory agency permits an entity to defer revenues to the balance sheet. View
us-gaap Increase (Decrease) in Restricted Cash The net cash inflow or outflow for the increase (decrease) associated with funds that are not available for withdrawal or use (such as funds held in escrow) and are associated with underlying transactions that are classified as investing activities. View
us-gaap Increase (Decrease) in Risk Management Assets and Liabilities Amount of increase (decrease) in fair value of financial instruments other than those that are purchased and held principally for the purpose of hedging or mitigating market risk, credit risk, legal risk, operational risk and other types of risk. View
us-gaap Incremental Common Shares Attributable to Dilutive Effect of Contingently Issuable Shares Additional shares included in the calculation of diluted EPS as a result of the potentially dilutive effect of contingently issuable shares. Contingently issuable shares are those shares that are issuable for little or no cash contingent on certain conditions being met. View
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. View
us-gaap Incremental Common Shares Attributable to Dilutive Effect of Share-based Payment Arrangements Additional shares included in the calculation of diluted EPS as a result of the potentially dilutive effect of share based payment arrangements using the treasury stock method. View
us-gaap Interest Expense Amount of the cost of borrowed funds accounted for as interest expense. View
us-gaap Interest Expense, Long-term Debt Aggregate amount of interest paid or due on all long-term debt. View
us-gaap Interest Expense, Other Amount of interest expense classified as other. View
us-gaap Interest Paid, Including Capitalized Interest, Operating and Investing Activities Amount of cash paid for interest, including, but not limited to, capitalized interest and payment to settle zero-coupon bond attributable to 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; classified as operating and investing activities. View
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). View
us-gaap Investments and Other Noncurrent Assets Amount of investments, and noncurrent assets classified as other. View
us-gaap Investment Tax Credit The amount deducted from an entities' taxes, reflecting a percentage of an amount invested in certain assets spread over the useful life of those assets; includes deferred investment tax credits. View
us-gaap Operating Leases, Rent Expense Amount of rent expense incurred for leased assets, including but not limited to, furniture and equipment, that is not directly or indirectly associated with the manufacture, sale or creation of a product or product line. View
us-gaap Letters of Credit Outstanding, Amount The total amount of the contingent obligation under letters of credit outstanding as of the reporting date. View
us-gaap Liabilities and Equity Amount of liabilities and equity items, including the portion of equity attributable to noncontrolling interests, if any. View
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. View
us-gaap Liabilities, Noncurrent Amount of obligation due after one year or beyond the normal operating cycle, if longer. View
us-gaap Liabilities, Other than Long-term Debt, Noncurrent Aggregated carrying amounts of obligations as of the balance sheet date, excluding long-term debt, incurred as part of the normal operations that are expected to be paid after one year or beyond the normal operating cycle, if longer. Alternate captions include Total Deferred Credits and Other Liabilities. View
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. View
us-gaap Line of Credit Facility, Interest Rate During Period The effective interest rate during the reporting period. View
us-gaap Line of Credit Facility, Maximum Amount Outstanding During Period Maximum amount borrowed under the credit facility at any time during the period. View
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. View
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). View
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. View
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. View
us-gaap Long-Term Debt, Maturity, after 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 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). View
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). View
us-gaap Operating 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. Includes selling, general and administrative expense. View
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). View
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). View
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). View
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. View
us-gaap Marketable Securities Amount of investment in marketable security. View
us-gaap Marketable Securities, Current Amount of investment in marketable security, classified as current. View
us-gaap Marketable Securities, Noncurrent Amount of investment in marketable security, classified as noncurrent. View
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. View
us-gaap Net Cash Provided by (Used in) Financing Activities, Continuing Operations Amount of cash inflow (outflow) of financing activities, excluding 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. View
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. View
us-gaap Net Cash Provided by (Used in) Investing Activities, Continuing Operations Amount of cash inflow (outflow) of investing activities, excluding 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. View
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. View
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. View
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. View
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). View
us-gaap Notes Payable, Fair Value Disclosure Fair value portion of notes payable. View
us-gaap Number of Reportable Segments Number of segments reported by the entity. A reportable segment is a component of an entity for which there is an accounting requirement to report separate financial information on that component in the entity's financial statements. View
us-gaap OCI, before Reclassifications, before Tax, Attributable to Parent Amount before tax and reclassification adjustments of other comprehensive income (loss) attributable to parent. View
us-gaap Operating Income (Loss) The net result for the period of deducting operating expenses from operating revenues. View
us-gaap Operating Leases, Future Minimum Payments, Due in 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 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. View
us-gaap Operating Leases, Future Minimum Payments, Due in Four 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 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. View
us-gaap Operating Leases, Future Minimum Payments, Due in 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 third 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. View
us-gaap Operating Leases, Future Minimum Payments, Due in Two 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 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. View
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. View
us-gaap Operating Loss Carryforwards Amount of operating loss carryforward, before tax effects, available to reduce future taxable income under enacted tax laws. View
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. View
us-gaap Other Assets, Current Amount of current assets classified as other. View
us-gaap Other Assets, Noncurrent Amount of noncurrent assets classified as other. View
us-gaap Other Comprehensive Income (Loss), before Reclassifications, Net of Tax Amount after tax, before reclassification adjustments of other comprehensive income (loss). View
us-gaap Other Comprehensive Income (Loss), Net of Tax Amount after tax and reclassification adjustments of other comprehensive income (loss). View
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. View
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. View
us-gaap Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI on Derivatives, before Tax Amount before 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). View
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). View
us-gaap Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI on Derivatives, Tax Amount of tax expense (benefit) 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). View
us-gaap Other Comprehensive Income (Loss), Reclassification Adjustment on Derivatives Included in Net Income, Net of Tax (Deprecated 2013-01-31) Net of tax amount of the income statement impact of the reclassification adjustment of accumulated gain (loss) from derivative instruments designated and qualifying as the effective portion of cash flow hedges realized in net income. Also includes reclassification adjustments of an entity's share of an equity investee's deferred hedging gain (loss) realized in net income. View
us-gaap Other Comprehensive Income (Loss), Reclassification Adjustment on Derivatives Included in Net Income, Tax (Deprecated 2013-01-31) Tax effect of the income statement impact of the reclassification adjustment of accumulated gain (loss) from derivative instruments designated and qualifying as the effective portion of cash flow hedges realized in net income. Also includes reclassification adjustments of an entity's share of an equity investee's deferred hedging gain (loss) realized in net income. View
us-gaap Regulatory Liability, Current The amount for the individual regulatory current liability as itemized in a table of regulatory current liabilities as of the end of the period. View
us-gaap Other Comprehensive Income (Loss), Reclassification Adjustment on Derivatives Included in Net Income, Tax (Deprecated 2012-01-31) Tax effect on reclassification adjustment for accumulated gains and losses from derivative instrument designated and qualifying as the effective portion of cash flow hedges included in accumulated comprehensive income that was realized in net income during the period. View
us-gaap Other Comprehensive Income (Loss), Unrealized Gain (Loss) on Derivatives Arising During Period, Net of Tax Amount after tax 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). View
us-gaap Other Comprehensive Income (Loss), Unrealized Gain (Loss) on Derivatives Arising During Period, Tax Amount of tax expense (benefit), before reclassification adjustments, related to 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). View
us-gaap Other Inventory, Gross Amount before valuation and LIFO reserves of other inventory expected to be sold, or consumed within one year or operating cycle, if longer. View
us-gaap Other Liabilities, Current Amount of liabilities classified as other, due within one year or the normal operating cycle, if longer. View
us-gaap Other Liabilities, Noncurrent Amount of liabilities classified as other, due after one year or the normal operating cycle, if longer. View
us-gaap Other Nonoperating Expense Amount of expense related to nonoperating activities, classified as other. View
us-gaap Other Nonoperating Income Amount of income related to nonoperating activities, classified as other. View
us-gaap Other Receivables Amount due from parties in nontrade transactions, classified as other. View
us-gaap Other Receivables, Gross, Current Amount, before allowance, of receivables classified as other, due within one year or the operating cycle, if longer. View
us-gaap Payments for (Proceeds from) Other Investing Activities Amount of cash (inflow) outflow from investing activities classified as other. View
us-gaap Payments for Rent Cash payments to lessor's for use of assets under operating leases. View
us-gaap Payments for Repurchase of Common Stock The cash outflow to reacquire common stock during the period. View
us-gaap Payments of Capital Distribution Cash outflow to owners or shareholders, excluding ordinary dividends. Includes special dividends. View
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. View
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. View
us-gaap Payments of Financing Costs The cash outflow for loan and debt issuance costs. View
us-gaap Payments of Stock Issuance Costs The cash outflow for cost incurred directly with the issuance of an equity security. View
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. 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). View
us-gaap Payments to Acquire Marketable Securities Amount of cash outflow for purchase of marketable security. View
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. View
us-gaap Liability, Pension and Other Postretirement and Postemployment Benefits, Noncurrent Amount of liability, recognized in statement of financial position, for pension, other postretirement and postemployment benefits, classified as noncurrent. View
us-gaap Payment for Pension and Other Postretirement Benefits Amount of cash outflow for pension and other postretirement benefits. Includes, but is not limited to, employer contribution to fund plan asset and payment to retiree. View
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. View
us-gaap Plant Held for Future Use Amount Discloses the period end amount of plants held for future use and whether such amount is included in the utility's rate base. View
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. View
us-gaap Preferred Stock, No Par Value Face amount per share of no-par value preferred stock nonredeemable or redeemable solely at the option of the issuer. View
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. View
us-gaap Preferred Stock, Value, Issued Aggregate par or stated value of issued nonredeemable preferred stock (or preferred stock redeemable solely at the option of the issuer). This item includes treasury stock repurchased by the entity. Note: elements for number of nonredeemable preferred shares, par value and other disclosure concepts are in another section within stockholders' equity. View
us-gaap Prepaid Expense, Current Amount of asset related to consideration paid in advance for costs that provide economic benefits within a future period of one year or the normal operating cycle, if longer. View
us-gaap Proceeds from Bank Debt The cash inflow from bank borrowing during the year. View
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. View
us-gaap Proceeds from Income Tax Refunds The amount of cash received during the period as refunds for the overpayment of taxes. View
us-gaap Proceeds from Issuance of Common Stock The cash inflow from the additional capital contribution to the entity. View
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. View
us-gaap Proceeds from Issuance of Senior Long-term Debt The cash inflow from a borrowing with the highest claim on the assets of the entity in case of bankruptcy or liquidation (with maturities initially due after one year or beyond the operating cycle, if longer). View
us-gaap Proceeds, Issuance of Shares, Share-based Payment Arrangement, Excluding Option Exercised Amount of cash inflow from issuance of shares under share-based payment arrangement. Excludes option exercised. View
us-gaap Proceeds from (Payments for) Other Financing Activities Amount of cash inflow (outflow) from financing activities classified as other. View
us-gaap Proceeds from (Repayments of) Commercial Paper The net cash inflow or cash outflow from issuing (borrowing) and repaying commercial paper. View
us-gaap Proceeds from Sale of Equity Method Investments The cash inflow associated with the sale of 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. View
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. View
us-gaap Proceeds from Sales of Business, Affiliate and Productive Assets Aggregate cash proceeds received from a combination of transactions in which noncurrent assets are sold, which may include the sale of a business, an investment in an affiliate (including an equity method investee), property, plant and equipment and intangible assets. Excludes sales of trading, available-for-sale, and held-to-maturity securities. View
us-gaap Proceeds from Stock Plans The cash inflow associated with the amount received from the stock plan during the period. View
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. View
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. View
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. View
us-gaap Property, Plant and Equipment, Other, Gross Amount before accumulated depreciation, depletion and amortization of other physical assets used in the normal conduct of business to produce goods and services and not intended for resale. View
us-gaap State and Local Income Tax Expense (Benefit), Continuing Operations Amount of state and local current and deferred income tax expense (benefit) attributable to continuing operations. View
us-gaap Unrecorded Unconditional Purchase Obligation, to be Paid, Year One Amount of fixed and determinable portion of unrecorded unconditional purchase obligation 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). View
us-gaap Accounts Receivable, Credit Loss Expense (Reversal) Amount of expense (reversal of expense) for expected credit loss on accounts receivable. View
us-gaap Public Utilities, Allowance for Funds Used During Construction, Additions Total increase in earnings in the period representing the cost of equity (based on assumed rate of return) and/or borrowed funds (based on interest rate) used to finance construction of regulated assets, which is expected to be recovered through rate adjustments. View
us-gaap Public Utilities, Inventory The period end amount for a type of inventory held by the utility in a schedule of inventories. View
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. View
us-gaap Public Utilities, Property, Plant and Equipment, Amount of Loss (Recovery) on Plant Abandonment Amount of loss (recovery of loss) related to a plant abandonment. View
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. View
us-gaap Public Utilities, Property, Plant and Equipment, Construction Work in Progress Period end amount of construction work in progress in public utility. View
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. View
us-gaap Public Utilities, Property, Plant and Equipment, Distribution Period end amount of property, plant and equipment (PPE) related to utility distribution. View
us-gaap Public Utilities, Property, Plant and Equipment, Net Period end amount of total net PPE. View
us-gaap Public Utilities, Property, Plant and Equipment, Original Cost of Intangible Utility Plants Original cost of establishing intangible utility plants. View
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. View
us-gaap Public Utilities, Property, Plant and Equipment, Plant in Service Period end amount of total gross PPE. View
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. View
us-gaap Ratio of Indebtedness to Net Capital Indebtedness divided by net capital. View
us-gaap Receivables, Net, Current The total amount due to the entity within one year of the balance sheet date (or one operating cycle, if longer) from outside sources, including trade accounts receivable, notes and loans receivable, as well as any other types of receivables, net of allowances established for the purpose of reducing such receivables to an amount that approximates their net realizable value. View
us-gaap Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax Amount after tax of reclassification adjustments of other comprehensive income (loss). View
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. View
us-gaap Regulated and Unregulated Operating Revenue The total amount of operating revenues recognized during the period. View
us-gaap Regulated Entity, Other Assets, Noncurrent Total of noncurrent other assets held by public utility entities. View
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. View
us-gaap Regulatory Assets, Current Carrying amount as of the balance sheet date of capitalized costs of regulated entities that are expected to be recovered through revenue sources within one year or the normal operating cycle, if longer. Such costs are capitalized if they meet both of the following criteria: a. It is probable that future revenue in an amount at least equal to the capitalized cost will result from inclusion of that cost in allowable costs for rate-making purposes. b. Based on available evidence, the future revenue will be provided to permit recovery of the previously incurred cost rather than to provide for expected levels of similar future costs. If the revenue will be provided through an automatic rate-adjustment clause, this criterion requires that the regulator's intent clearly be to permit recovery of the previously incurred cost. View
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. View
us-gaap Repayments of Bank Debt The cash outflow to settle a bank borrowing during the year. View
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. View
us-gaap Restricted Stock or Unit Expense Amount of noncash expense for award of restricted stock or unit under share-based payment arrangement. View
us-gaap Results of Operations, Income before Income Taxes Income before income taxes for oil and gas producing activities. View
us-gaap Retained Earnings (Accumulated Deficit) The cumulative amount of the reporting entity's undistributed earnings or deficit. View
us-gaap Retained Earnings, Undistributed Earnings from Equity Method Investees Amount of consolidated retained earnings that represent undistributed (not yet received) earnings from 50% or less owned persons accounted for by the equity method (equity method investees). View
us-gaap Revenue from Related Parties Amount of revenue, fees and commissions earned from transactions between (a) a parent company and its subsidiaries; (b) subsidiaries of a common parent; (c) an entity and trusts for the benefit of employees, for example, but not limited to, pension and profit-sharing trusts that are managed by or under the trusteeship of the entity's management; (d) an entity and its principal, owners, management, or members of their immediate families; and (e) affiliates. View
us-gaap Revenue, Net (Deprecated 2018-01-31) Total revenue from sale of goods and services rendered during the reporting period, in the normal course of business, reduced by sales returns and allowances, and sales discounts. View
us-gaap Segment Reporting Information, Equity in Net Income of Equity Method Investees of Segment (Deprecated 2011-01-31) Amount of income or loss recognized by the reportable segment for its share of an investee's net income or loss reported under the equity method of accounting. View
us-gaap Segment Reporting Information, Income (Loss) before Income Taxes (Deprecated 2011-01-31) Amount of income or loss for the reportable segment before income taxes and extraordinary items. View
us-gaap Segment Reporting Information, Income Tax Expense (Benefit) (Deprecated 2011-01-31) Amount of income tax expense or benefit attributed to a reportable segment. View
us-gaap Segment Reporting Information, Revenue for Reportable Segment (Deprecated 2013-01-31) Amount of total revenue for the reportable segments, including revenue from external customers, transactions with other operating segments of the same entity, and (gross) interest revenue. All considered to be "operating revenue" for purposes of the taxonomy. View
us-gaap Segment Reporting Information, Revenue from External Customers (Deprecated 2011-01-31) Amount of revenue from external customers for the reportable segment. Such disclosure is presented if the amount is: (a) included in the measure of segment profit or loss reviewed by the chief operating decision maker or (b) otherwise regularly provided to the chief operating decision maker, even if not included in that measure of segment profit or loss. View
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. View
us-gaap Share-based Compensation Arrangement by Share-based Payment Award, Discount from Market Price (Deprecated 2011-01-31) An entity may opt to disclose the discount rate from market value on offering date or purchase date that participants pay for shares. Typically, the participant's per share cost is the lower of the prices on the two dates. View
us-gaap Share-based Compensation Arrangement by Share-based Payment Award, Discount from Market Price, Purchase Date Discount rate from fair value on purchase date that participants pay for shares. View
us-gaap Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period The number of grants made 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). View
us-gaap Share-based Compensation Arrangement by Share-based Payment Award, Purchase Price of Common Stock, Percent Purchase price of common stock expressed as a percentage of its fair value. View
us-gaap Share Price Price of a single share of a number of saleable stocks of a company. View
us-gaap Shares Issued, Price Per Share Per share or per unit amount of equity securities issued. View
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. View
us-gaap Short-term Debt Reflects the total carrying amount as of the balance sheet date of debt having initial terms less than one year or the normal operating cycle, if longer. View
us-gaap Site Contingency, Accrual, Undiscounted Amount (Deprecated 2013-01-31) Estimated undiscounted amount of the accrual for the environmental loss contingencies at an individual site as of the balance sheet date. View
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. View
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. View
us-gaap Stock Issued During Period, Shares, Employee Stock Purchase Plans Number of shares issued during the period as a result of an employee stock purchase plan. View
us-gaap Stock Issued During Period, Shares, New Issues Number of new stock issued during the period. View
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). View
us-gaap Shares Issued, Shares, Share-based Payment Arrangement, before Forfeiture Number, before forfeiture, of shares issued under share-based payment arrangement. Excludes employee stock ownership plan (ESOP). View
us-gaap Stock Issued During Period, Value, Dividend Reinvestment Plan Value of stock issued during the period from a dividend reinvestment plan (DRIP). A dividend reinvestment plan allows the holder of the stock to reinvest dividends paid to them by the entity on new issues of stock by the entity. View
us-gaap Stock Issued During Period, Value, Employee Stock Purchase Plan Aggregate change in value for stock issued during the period as a result of employee stock purchase plan. View
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 Shares Issued, Value, Share-based Payment Arrangement, after Forfeiture Value, after forfeiture, of shares issued under share-based payment arrangement. Excludes employee stock ownership plan (ESOP). View
us-gaap Shares Issued, Value, Share-based Payment Arrangement, before Forfeiture Value, before forfeiture, of shares issued under share-based payment arrangement. Excludes employee stock ownership plan (ESOP). View
us-gaap Stock Repurchased and Retired During Period, Shares Number of shares that have been repurchased and retired during the period. View
us-gaap Stock Repurchased and Retired During Period, Value Equity impact of the value of stock that has been repurchased and retired during the period. The excess of the purchase price over par value can be charged against retained earnings (once the excess is fully allocated to additional paid in capital). View
us-gaap Stock Repurchased During Period, Shares Number of shares that have been repurchased during the period and have not been retired and are not held in treasury. Some state laws may govern the circumstances under which an entity may acquire its own stock and prescribe the accounting treatment therefore. This element is used when state law does not recognize treasury stock. View
us-gaap Stock Repurchased During Period, Value Equity impact of the value of stock that has been repurchased during the period and has not been retired and is not held in treasury. Some state laws may mandate the circumstances under which an entity may acquire its own stock and prescribe the accounting treatment therefore. This element is used when state law does not recognize treasury stock. View
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. View
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). View
us-gaap Trading Securities, Equity, Cost Cost of investments in equity securities and other forms of securities that provide ownership interests classified as trading. View
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. View
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 Unrecognized Tax Benefits Amount of unrecognized tax benefits. View
us-gaap Unrecognized Tax Benefits that Would Impact Effective Tax Rate The total amount of unrecognized tax benefits that, if recognized, would affect the effective tax rate. View
us-gaap Unrecorded Unconditional Purchase Obligation, to be Paid, Year Five Amount of fixed and determinable portion of unrecorded unconditional purchase obligation 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). View
us-gaap Unrecorded Unconditional Purchase Obligation, to be Paid, Year Two Amount of fixed and determinable portion of unrecorded unconditional purchase obligation 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). View
us-gaap Unrecorded Unconditional Purchase Obligation, to be Paid, Year Three Amount of fixed and determinable portion of unrecorded unconditional purchase obligation 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). View
us-gaap Unrecorded Unconditional Purchase Obligation Amount of the unrecorded obligation to transfer funds in the future for fixed or minimum amounts or quantities of goods or services at fixed or minimum prices (for example, as in take-or-pay contracts or throughput contracts). View
us-gaap Unrecorded Unconditional Purchase Obligation, to be Paid, after Year Five Amount of fixed and determinable portion of unrecorded unconditional purchase obligation 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). View
us-gaap Unregulated Operating Revenue The amount of unregulated operating revenues recognized during the period. View
us-gaap Unsecured Debt, Current Carrying value as of the balance sheet date of the portion of long-term, uncollateralized debt obligations due within one year or the normal operating cycle, if longer. View
us-gaap Unsecured Long-term Debt, Noncurrent Carrying value as of the balance sheet date of uncollateralized debt obligation (with maturities initially due after one year or beyond the operating cycle if longer), excluding current portion. View
us-gaap Utilities Operating Expense Amount of operating expense of regulated operation. View
us-gaap Utilities Operating Expense, Depreciation and Amortization Amount of operating expense for depreciation and amortization of regulated operation. View
us-gaap Utilities Operating Expense, Gas and Petroleum Purchased Amount of operating expense for purchased gas and petroleum of regulated operation. View
us-gaap Utilities Operating Expense, Maintenance and Operations Amount of operating expense for routine plant maintenance, repairs and operations of regulated operation. View
us-gaap Utilities Operating Expense, Maintenance, Operations, and Other Costs and Expenses The amount of operating expenses for the period that are associated with the utility's normal revenue producing operation; including selling, general, and administrative expenses, costs incurred for routine plant repairs and maintenance, and operations. View
us-gaap Utilities Operating Expense, Taxes Amount of operating expense for taxes other than income taxes of regulated operation. View
us-gaap Valuation Allowance, Deferred Tax Asset, Increase (Decrease), Amount Amount of increase (decrease) in the valuation allowance for a specified deferred tax asset. View
us-gaap SEC Schedule, 12-09, Valuation Allowances and Reserves, Additions, Charge to Cost and Expense Amount of increase in valuation and qualifying accounts and reserves from charge to cost and expense. View
us-gaap SEC Schedule, 12-09, Valuation Allowances and Reserves, Deduction Amount of decrease in valuation and qualifying accounts and reserves. View
us-gaap Variable Interest Entity, Nonconsolidated, Carrying Amount, Assets (Deprecated 2020-01-31) Carrying amount of the assets in the reporting entity's statement of financial position that relate to the reporting entity's variable interest in the Variable Interest Entity (VIE), where the reporting entity is not the VIE's primary beneficiary. 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. View
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. View
Chart of Accounts => Accounts
Name View
Allowance for Funds Used During Construction, Investing Activities View
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount View
Asset Impairment Charges View
Asset Retirement Obligation View
Asset Retirement Obligation, Accretion Expense View
Asset Retirement Obligation, Cash Paid to Settle View
Deferred Tax Assets, Tax Deferred Expense, Reserves and Accruals, Other View
Defined Benefit Plan, Plan Assets Level 3 Reconciliation, Increase (Decrease) for Actual Return (Loss) on Plan Assets Sold View
Fair Value, Assets Measured on Recurring Basis, Derivative Financial Instruments, Assets (Deprecated 2011-01-31) View
Effective Income Tax Rate Reconciliation at Federal Statutory Income Tax Rate, Amount View
Effective Income Tax Rate Reconciliation, Nondeductible Expense, Amortization, Amount View
Effective Income Tax Rate Reconciliation, Nondeductible Expense, Depreciation, Amount View
Effective Income Tax Rate Reconciliation, Other Adjustments, Amount View
Effective Income Tax Rate Reconciliation, State and Local Income Taxes, Amount View
Incremental Common Shares Attributable to Dilutive Effect of Share-based Payment Arrangements View
Other Comprehensive Income (Loss), Reclassification Adjustment on Derivatives Included in Net Income, Tax (Deprecated 2013-01-31) View
Payments for (Proceeds from) Other Investing Activities View
Property, Plant and Equipment, Useful Life, Maximum (Deprecated 2012-01-31) View
Property, Plant and Equipment, Useful Life, Minimum (Deprecated 2012-01-31) View
Accounts Receivable, Credit Loss Expense (Reversal) View
Public Utilities, Property, Plant and Equipment, Net View
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period View
Trading Securities, Equity, Cost View
Taxes, Miscellaneous View
Taxes Payable, Current View
Accounts Receivable, Allowance for Credit Loss, Current View
Accelerated Share Repurchases, Final Price Paid Per Share View
Accelerated Share Repurchases, Initial Price Paid Per Share View
Accelerated Share Repurchases, Settlement (Payment) or Receipt View
Accounts Payable, Current View
Accounts Payable, Other, Current View
Accounts Payable, Trade, Current View
Accounts Receivable, before Allowance for Credit Loss, Current View
Accounts Receivable, after Allowance for Credit Loss, Current View
Accrual for Environmental Loss Contingencies View
Accrual for Environmental Loss Contingencies, Gross View
Accrued Income Taxes, Current View
Accumulated Deferred Investment Tax Credit View
Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment View
Accumulated Other Comprehensive Income (Loss), Cumulative Changes in Net Gain (Loss) from Cash Flow Hedges, Effect Net of Tax View
Accumulated Other Comprehensive Income (Loss), Net of Tax View
APIC, Share-based Payment Arrangement, Increase for Cost Recognition View
Share-based Payment Arrangement, Expense View
Allowance for Doubtful Accounts, Premiums and Other Receivables View
Asset Retirement Obligation, Legally Restricted Assets, Fair Value View
Asset Retirement Obligation, Liabilities Incurred View
Asset Retirement Obligation, Liabilities Settled View
Asset Retirement Obligation, Revision of Estimate View
Asset Retirement Obligations, Noncurrent View
Assets View
Assets, Current View
Assets, Fair Value Disclosure View
Assets, Noncurrent View
Business Acquisition, Transaction Costs View
Business Acquisition, Share Price View
Business Combination, Acquisition Related Costs View
Business Combination, Integration Related Costs View
Capital Expenditures Incurred but Not yet Paid View
Capitalization, Long-term Debt and Equity View
Cash and Cash Equivalents, at Carrying Value View
Cash and Cash Equivalents, Period Increase (Decrease) View
Commercial Paper View
Commitments and Contingencies View
Common Stock, Capital Shares Reserved for Future Issuance View
Common Stock, Dividends, Per Share, Cash Paid View
Common Stock, Dividends, Per Share, Declared View
Common Stock, No Par Value View
Common Stock, Shares Authorized View
Common Stock, Shares, Outstanding View
Common Stock, Value, Issued View
Common Stock, Value, Outstanding View
Comprehensive Income (Loss), Net of Tax, Attributable to Parent View
Comprehensive Income (Loss), Net of Tax, Including Portion Attributable to Noncontrolling Interest View
Construction in Progress Expenditures Incurred but Not yet Paid View
Contributions in Aid of Construction View
Costs and Expenses View
Current Federal Tax Expense (Benefit) View
Current Income Tax Expense (Benefit) View
Current State and Local Tax Expense (Benefit) View
Customer Deposits, Current View
Customer Refund Liability, Current View
Long-term Debt, Gross View
Debt Instrument, Unamortized Discount View
Debt Instrument, Unamortized Discount (Premium) and Debt Issuance Costs, Net View
Deferred Compensation Cash-based Arrangements, Liability, Current View
Deferred Compensation Cash-based Arrangements, Liability, Classified, Noncurrent View
Deferred Compensation Cash-based Arrangements, Liability, Current and Noncurrent View
Deferred Compensation Share-based Arrangements, Liability, Current and Noncurrent View
Deferred Federal Income Tax Expense (Benefit) View
Deferred Income Tax Expense (Benefit) View
Deferred Income Taxes and Other Tax Liabilities, Noncurrent View
Deferred Income Taxes and Tax Credits View
Deferred Tax Liabilities, Gross View
Deferred State and Local Income Tax Expense (Benefit) View
Deferred Tax Assets, Derivative Instruments View
Deferred Tax Assets, Gross View
Deferred Tax Assets, Net View
Deferred Tax Assets, Net, Current View
Deferred Tax Assets, Net of Valuation Allowance View
Deferred Tax Assets, Net of Valuation Allowance, Current View
Deferred Tax Assets, Operating Loss Carryforwards View
Deferred Tax Assets, Other View
Deferred Tax Assets, Property, Plant and Equipment View
Deferred Tax Assets, Tax Deferred Expense, Compensation and Benefits View
Deferred Tax Assets, Valuation Allowance View
Deferred Tax Liabilities, Net View
Deferred Tax Liabilities, Net, Current View
Deferred Tax Liabilities, Deferred Expense View
Deferred Tax Liabilities, Derivatives View
Deferred Tax Liabilities, Investment in Noncontrolled Affiliates View
Deferred Tax Liabilities, Net, Noncurrent View
Deferred Tax Liabilities, Other View
Deferred Tax Liabilities, Property, Plant and Equipment View
Deferred Tax Liabilities, Regulatory Assets View
Deferred Tax Liabilities, Tax Deferred Income View
Defined Benefit Plan, Plan Assets Level 3 Reconciliation, Increase (Decrease) for Actual Return (Loss) on Plan Assets Still Held View
Defined Benefit Plan, Amounts for Asset (Liability) Recognized in Statement of Financial Position View
Assets for Plan Benefits, Defined Benefit Plan View
Defined Benefit Plan, Assumptions Used Calculating Benefit Obligation, Discount Rate View
Defined Benefit Plan, Effect of One Percentage Point Decrease on Accumulated Postretirement Benefit Obligation (Deprecated 2012-01-31) View
Defined Benefit Plan, Effect of One Percentage Point Decrease on Accumulated Postretirement Benefit Obligation View
Defined Benefit Plan, Effect of One Percentage Point Decrease on Service and Interest Cost Components (Deprecated 2012-01-31) View
Defined Benefit Plan, Effect of One Percentage Point Decrease on Service and Interest Cost Components View
Defined Benefit Plan, Effect of One Percentage Point Increase on Accumulated Postretirement Benefit Obligation View
Defined Benefit Plan, Effect of One Percentage Point Increase on Service and Interest Cost Components View
Defined Benefit Plan, Plan Assets, Amount View
Defined Benefit Plan, Health Care Cost Trend Rate Assumed for Next Fiscal Year (Deprecated 2017-01-31) View
Defined Benefit Plan, Plan Assets Level 3 Reconciliation, Increase (Decrease) for Purchase, Sale, and Settlement View
Defined Benefit Plan, Plan Assets Level 3 Reconciliation, Increase (Decrease) for Assets Transferred into (out of) Level 3 View
Defined Benefit Plan, Ultimate Health Care Cost Trend Rate (Deprecated 2017-01-31) View
Depreciation View
Depreciation, Depletion and Amortization View
Derivative Asset, Collateral, Obligation to Return Cash, Offset View
Derivative Asset View
Derivative Asset, Current View
Derivative Asset, Fair Value, Gross Asset View
Derivative Instruments Not Designated as Hedging Instruments, Gain (Loss), Net View
Derivative Instruments Not Designated as Hedging Instruments, Loss View
Derivative Liability View
Derivative Liability, Current View
Derivative Liability, Noncurrent View
Derivative Liability, Collateral, Right to Reclaim Cash, Offset View
Dividends View
Dividends, Common Stock, Cash View
Dividends, Common Stock, Paid-in-kind View
Due from Related Parties, Current View
Due to Related Parties, Current View
Earnings Per Share, Basic View
Earnings Per Share, Diluted View
Effective Income Tax Rate Reconciliation, Percent View
Share-based Payment Arrangement, Expense, Tax Benefit View
Employee Stock Ownership Plan (ESOP), Tax Benefit of Dividends Paid to Plan View
Energy Marketing Contract Liabilities, Current View
Energy Marketing Contracts Assets, Current View
Energy Related Inventory, Natural Gas in Storage View
Environmental Remediation Expense View
Development Stage Entities, Equity Issuance, Per Share Amount (Deprecated 2015-01-31) View
Proceeds from Equity Method Investment, Distribution View
Equity Method Investment, Realized Gain (Loss) on Disposal View
Equity Method Investments View
Public Utilities, Property, Plant and Equipment, Distribution View
Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Inputs Reconciliation, Period Increase (Decrease) View
Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Inputs Reconciliation, Purchases, Sales, Issues, Settlements View
Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Inputs Reconciliation, Transfers, Net View
Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis with Unobservable Inputs View
Federal Income Tax Expense (Benefit), Continuing Operations View
Forward Contract Indexed to Issuer's Equity, Forward Rate Per Share View
Forward Contract Indexed to Issuer's Equity, Indexed Shares View
Forward Contract Indexed to Issuer's Equity, Settlement Alternatives, Cash, at Fair Value View
Forward Contract Indexed to Issuer's Equity, Shares View
Gain (Loss) on Disposition of Property (Deprecated 2013-01-31) View
Gain (Loss) on Sale of Equity Method Investments (Deprecated 2011-01-31) View
Gain (Loss) on Disposition of Oil and Gas and Timber Property View
Gain on Sale of Investments View
Gas Domestic Regulated Revenue (Deprecated 2018-01-31) View
Goodwill View
Goodwill, Impaired, Accumulated Impairment Loss View
Goodwill, Impairment Loss View
Gross Profit View
Impairment of Intangible Assets, Indefinite-lived (Excluding Goodwill) View
Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest View
Income (Loss) from Equity Method Investments View
Income Tax Expense (Benefit) View
Income Taxes Paid View
Income Taxes Paid, Net View
Income Taxes Receivable, Current View
Income Taxes Receivable, Noncurrent View
Income Taxes Receivable View
Effective Income Tax Rate Reconciliation, Tax Credit, Amount View
Effective Income Tax Rate Reconciliation, Tax Credit, Investment, Amount View
Effective Income Tax Rate Reconciliation, Tax Credit, Other, Amount View
Increase (Decrease) in Accounts Payable View
Increase (Decrease) in Accrued Taxes Payable View
Increase (Decrease) in Asset Retirement Obligations View
Increase (Decrease) in Commodity Contract Assets and Liabilities View
Increase (Decrease) in Due from Related Parties, Current View
Increase (Decrease) in Due to Other Related Parties, Current View
Increase (Decrease) in Inventories View
Increase (Decrease) in Other Current Assets View
Increase (Decrease) in Other Current Liabilities View
Increase (Decrease) in Other Financial Instruments Used in Operating Activities View
Increase (Decrease) in Other Operating Assets View
Increase (Decrease) in Other Operating Liabilities View
Increase (Decrease) in Other Regulatory Assets View
Increase (Decrease) in Obligation, Pension and Other Postretirement Benefits View
Increase (Decrease) in Prepaid Pension Costs (Deprecated 2017-01-31) View
Increase (Decrease) in Receivables View
Increase (Decrease) in Regulatory Liabilities View
Increase (Decrease) in Restricted Cash View
Increase (Decrease) in Risk Management Assets and Liabilities View
Incremental Common Shares Attributable to Dilutive Effect of Contingently Issuable Shares View
Incremental Common Shares Attributable to Dilutive Effect of Equity Forward Agreements View
Incremental Common Shares Attributable to Dilutive Effect of Nonvested Shares with Forfeitable Dividends View
Interest Expense View
Interest Expense, Long-term Debt View
Interest Expense, Other View
Interest Paid, Including Capitalized Interest, Operating and Investing Activities View
Interest Payable, Current View
Investments and Other Noncurrent Assets View
Investment Tax Credit View
Operating Leases, Rent Expense View
Letters of Credit Outstanding, Amount View
Liabilities and Equity View
Liabilities, Current View
Liabilities, Noncurrent View
Liabilities, Other than Long-term Debt, Noncurrent View
Line of Credit Facility, Current Borrowing Capacity View
Line of Credit Facility, Interest Rate During Period View
Line of Credit Facility, Maximum Amount Outstanding During Period View
Line of Credit Facility, Maximum Borrowing Capacity View
Line of Credit Facility, Remaining Borrowing Capacity View
Long-term Debt View
Long-term Debt, Current Maturities View
Long-Term Debt, Maturity, after Year Five View
Long-Term Debt, Maturity, Year One View
Long-Term Debt, Maturity, Year Five View
Long-Term Debt, Maturity, Year Four View
Long-Term Debt, Maturity, Year Three View
Long-Term Debt, Maturity, Year Two View
Long-term Debt, Excluding Current Maturities View
Marketable Securities View
Marketable Securities, Current View
Marketable Securities, Noncurrent View
Net Cash Provided by (Used in) Financing Activities View
Net Cash Provided by (Used in) Financing Activities, Continuing Operations View
Net Cash Provided by (Used in) Investing Activities View
Net Cash Provided by (Used in) Investing Activities, Continuing Operations View
Net Cash Provided by (Used in) Operating Activities View
Net Cash Provided by (Used in) Operating Activities, Continuing Operations View
Net Income (Loss) Attributable to Parent View
Nonoperating Income (Expense) View
Notes Payable, Fair Value Disclosure View
Number of Operating Segments View
Number of Reportable Segments View
OCI, before Reclassifications, before Tax, Attributable to Parent View
Operating Expenses View
Operating Income (Loss) View
Operating Leases, Future Minimum Payments Due View
Operating Leases, Future Minimum Payments Due, Next Twelve Months View
Operating Leases, Future Minimum Payments, Due in Five Years View
Operating Leases, Future Minimum Payments, Due in Four Years View
Operating Leases, Future Minimum Payments, Due in Three Years View
Operating Leases, Future Minimum Payments, Due in Two Years View
Operating Leases, Future Minimum Payments, Due Thereafter View
Operating Loss Carryforwards View
Other Asset Impairment Charges View
Other Assets, Current View
Other Assets, Noncurrent View
Other Comprehensive Income (Loss), before Reclassifications, Net of Tax View
Other Comprehensive Income (Loss), Net of Tax View
Other Comprehensive Income (Loss), Net of Tax (Deprecated 2012-01-31) View
Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent View
Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI on Derivatives, before Tax View
Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI on Derivatives, Net of Tax View
Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI on Derivatives, Tax View
Other Comprehensive Income (Loss), Reclassification Adjustment on Derivatives Included in Net Income, Net of Tax (Deprecated 2013-01-31) View
Other Comprehensive Income (Loss), Reclassification Adjustment on Derivatives Included in Net Income, Net of Tax (Deprecated 2012-01-31) View
Other Comprehensive Income (Loss), Reclassification Adjustment on Derivatives Included in Net Income, Tax (Deprecated 2012-01-31) View
Other Comprehensive Income (Loss), Unrealized Gain (Loss) on Derivatives Arising During Period, Net of Tax View
Other Comprehensive Income (Loss), Unrealized Gain (Loss) on Derivatives Arising During Period, Tax View
Other Inventory, Gross View
Other Liabilities, Current View
Other Liabilities, Noncurrent View
Other Nonoperating Expense View
Other Nonoperating Income View
Other Receivables View
Other Receivables, Gross, Current View
Payments for Rent View
Payments for Repurchase of Common Stock View
Payments of Capital Distribution View
Payments of Debt Issuance Costs View
Payments of Ordinary Dividends, Common Stock View
Payments of Financing Costs View
Payments of Stock Issuance Costs View
Payments to Acquire Equity Method Investments View
Payments to Acquire Interest in Subsidiaries and Affiliates View
Payments to Acquire Marketable Securities View
Payments to Acquire Property, Plant, and Equipment View
Liability, Pension and Other Postretirement and Postemployment Benefits, Noncurrent View
Payment for Pension and Other Postretirement Benefits View
Liability, Defined Benefit Plan, Noncurrent View
Plant Held for Future Use Amount View
Postemployment Benefits Liability, Noncurrent View
Preferred Stock, No Par Value View
Preferred Stock, Shares Authorized View
Preferred Stock, Value, Issued View
Prepaid Expense, Current View
Proceeds from Bank Debt View
Proceeds from Equity Method Investment, Distribution, Return of Capital View
Proceeds from Income Tax Refunds View
Proceeds from Issuance of Common Stock View
Proceeds from Issuance of Long-term Debt View
Proceeds from Issuance of Senior Long-term Debt View
Proceeds, Issuance of Shares, Share-based Payment Arrangement, Excluding Option Exercised View
Proceeds from (Payments for) Other Financing Activities View
Proceeds from (Repayments of) Commercial Paper View
Proceeds from Sale of Equity Method Investments View
Proceeds from Sale of Property, Plant, and Equipment View
Proceeds from Sales of Business, Affiliate and Productive Assets View
Proceeds from Stock Plans View
Net Income (Loss), Including Portion Attributable to Noncontrolling Interest View
Property, Plant and Equipment, Gross View
Property, Plant and Equipment, Net View
Property, Plant and Equipment, Other, Gross View
Property, Plant and Equipment, Other, Accumulated Depreciation View
Public Utilities, Allowance for Funds Used During Construction, Additions View
Public Utilities, Inventory View
Public Utilities, Property, Plant and Equipment, Accumulated Depreciation View
Public Utilities, Property, Plant and Equipment, Amount of Loss (Recovery) on Plant Abandonment View
Public Utilities, Property, Plant and Equipment, Common View
Public Utilities, Property, Plant and Equipment, Construction Work in Progress View
Public Utilities, Property, Plant and Equipment, Disclosure of Composite Depreciation Rate for Plants in Service View
Public Utilities, Property, Plant and Equipment, Original Cost of Intangible Utility Plants View
Public Utilities, Property, Plant and Equipment, Other Property, Plant and Equipment View
Public Utilities, Property, Plant and Equipment, Plant in Service View
Public Utilities, Property, Plant and Equipment, Transmission View
Ratio of Indebtedness to Net Capital View
Receivables, Net, Current View
Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax View
Reclassification from AOCI, Current Period, Net of Tax, Attributable to Parent View
Regulated and Unregulated Operating Revenue View
Regulated Entity, Other Assets, Noncurrent View
Regulatory Assets View
Regulatory Assets, Current View
Regulatory Assets, Noncurrent View
Regulatory Liabilities View
Regulatory Liability, Current View
Regulatory Liability, Noncurrent View
Related Party Transaction, Expenses from Transactions with Related Party View
Remaining Amounts of Regulatory Assets for which No Return on Investment During Recovery Period is Provided View
Repayments of Bank Debt View
Repayments of Long-term Debt View
Restricted Stock or Unit Expense View
Results of Operations, Income before Income Taxes View
Retained Earnings (Accumulated Deficit) View
Retained Earnings, Undistributed Earnings from Equity Method Investees View
Revenue from Related Parties View
Revenue, Net (Deprecated 2018-01-31) View
Segment Reporting Information, Equity in Net Income of Equity Method Investees of Segment (Deprecated 2011-01-31) View
Segment Reporting Information, Income (Loss) before Income Taxes (Deprecated 2011-01-31) View
Segment Reporting Information, Income Tax Expense (Benefit) (Deprecated 2011-01-31) View
Segment Reporting Information, Revenue for Reportable Segment (Deprecated 2013-01-31) View
Segment Reporting Information, Revenue from External Customers (Deprecated 2011-01-31) View
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost (Deprecated 2012-01-31) View
Share-based Compensation Arrangement by Share-based Payment Award, Discount from Market Price (Deprecated 2011-01-31) View
Share-based Compensation Arrangement by Share-based Payment Award, Discount from Market Price, Purchase Date View
Share-based Compensation Arrangement by Share-based Payment Award, Purchase Price of Common Stock, Percent View
Share Price View
Shares Issued, Price Per Share View
Short-term Bank Loans and Notes Payable View
Short-term Debt View
Site Contingency, Accrual, Undiscounted Amount (Deprecated 2013-01-31) View
State and Local Income Tax Expense (Benefit), Continuing Operations View
Stockholders' Equity Attributable to Parent View
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest View
Stock Issued During Period, Shares, Dividend Reinvestment Plan View
Stock Issued During Period, Shares, Employee Stock Purchase Plans View
Stock Issued During Period, Shares, New Issues View
Shares Issued, Shares, Share-based Payment Arrangement, after Forfeiture View
Shares Issued, Shares, Share-based Payment Arrangement, before Forfeiture View
Stock Issued During Period, Value, Dividend Reinvestment Plan View
Stock Issued During Period, Value, Employee Stock Purchase Plan View
Stock Issued During Period, Value, New Issues View
Shares Issued, Value, Share-based Payment Arrangement, after Forfeiture View
Shares Issued, Value, Share-based Payment Arrangement, before Forfeiture View
Stock Repurchased and Retired During Period, Shares View
Stock Repurchased and Retired During Period, Value View
Stock Repurchased During Period, Shares View
Stock Repurchased During Period, Value View
Unamortized Debt Issuance Expense View
Unbilled Receivables, Current View
Unrecognized Tax Benefits View
Unrecognized Tax Benefits that Would Impact Effective Tax Rate View
Unrecorded Unconditional Purchase Obligation, to be Paid, Year Five View
Unrecorded Unconditional Purchase Obligation, to be Paid, Year One View
Unrecorded Unconditional Purchase Obligation, to be Paid, Year Four View
Unrecorded Unconditional Purchase Obligation, to be Paid, Year Two View
Unrecorded Unconditional Purchase Obligation, to be Paid, Year Three View
Unrecorded Unconditional Purchase Obligation View
Unrecorded Unconditional Purchase Obligation, to be Paid, after Year Five View
Unregulated Operating Revenue View
Unsecured Debt, Current View
Unsecured Long-term Debt, Noncurrent View
Utilities Operating Expense View
Utilities Operating Expense, Depreciation and Amortization View
Utilities Operating Expense, Gas and Petroleum Purchased View
Utilities Operating Expense, Maintenance and Operations View
Utilities Operating Expense, Maintenance, Operations, and Other Costs and Expenses View
Utilities Operating Expense, Taxes View
Valuation Allowance, Deferred Tax Asset, Increase (Decrease), Amount View
SEC Schedule, 12-09, Valuation Allowances and Reserves, Additions, Charge to Cost and Expense View
SEC Schedule, 12-09, Valuation Allowances and Reserves, Deduction View
Variable Interest Entity, Nonconsolidated, Carrying Amount, Assets (Deprecated 2020-01-31) View
Weighted Average Number of Shares Outstanding, Diluted View
Weighted Average Number of Shares Outstanding, Basic View