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Company Name: NORTHWEST NATURAL GAS COMPANY
CIK: 73020
Phone: None
Fiscal Year End: None
Entity Type:
SIC: -
Category Type:
Entity Name: None
First Filing Date: 2010-08-04
Last Filing Date: 2018-11-06
SEC Filings
Start End Frame Filed ACCN Value View
2014-01-01 2014-03-31 CY2013Q1 2014-05-02 0000073020-14-000011 $ 27,094,000 View
2015-01-01 2015-03-31 CY2014Q1 2015-05-05 0000073020-15-000014 $ 27,301,000 View
2016-01-01 2016-03-31 CY2015Q1 2016-05-03 0000073020-16-000044 $ 27,448,000 View
2017-01-01 2017-03-31 CY2016Q1 2017-05-08 0000073020-17-000017 $ 28,633,000 View
2017-04-01 2017-06-30 CY2016Q2 2017-08-02 0000073020-17-000027 $ 28,648,000 View
2010-04-01 2010-06-30 CY2009Q2 2010-08-04 0000073020-10-000021 $ 26,569,000 View
2010-07-01 2010-09-30 CY2009Q3 2010-11-05 0000073020-10-000024 $ 26,606,000 View
2010-01-01 2010-12-31 CY2008 2011-02-25 0000073020-11-000003 $ 26,589,000 View
2011-01-01 2011-03-31 CY2010Q1 2011-05-04 0000073020-11-000006 $ 26,670,000 View
2011-04-01 2011-06-30 CY2010Q2 2011-08-03 0000073020-11-000011 $ 26,673,000 View
2011-07-01 2011-09-30 CY2010Q3 2011-11-04 0000073020-11-000013 $ 26,686,000 View
2011-01-01 2011-12-31 CY2009 2012-02-28 0000073020-12-000003 $ 26,687,000 View
2012-01-01 2012-03-31 CY2011Q1 2012-05-04 0000073020-12-000005 $ 26,781,000 View
2012-04-01 2012-06-30 CY2011Q2 2012-08-03 0000073020-12-000009 $ 26,812,000 View
2012-07-01 2012-09-30 CY2011Q3 2012-11-06 0000073020-12-000018 $ 26,847,000 View
2012-01-01 2012-12-31 CY2010 2013-03-01 0000073020-13-000007 $ 26,831,000 View
2013-01-01 2013-03-31 CY2012Q1 2013-05-02 0000073020-13-000013 $ 26,929,000 View
2013-04-01 2013-06-30 CY2012Q2 2013-08-07 0000073020-13-000022 $ 26,958,000 View
2013-07-01 2013-09-30 CY2012Q3 2013-11-07 0000073020-13-000031 $ 26,987,000 View
2013-01-01 2013-12-31 CY2011 2014-02-28 0000073020-14-000004 $ 26,974,000 View
2014-04-01 2014-06-30 CY2013Q2 2014-08-05 0000073020-14-000017 $ 27,139,000 View
2014-07-01 2014-09-30 CY2013Q3 2014-11-04 0000073020-14-000028 $ 27,189,000 View
2014-01-01 2014-12-31 CY2012 2015-02-27 0000073020-15-000009 $ 27,164,000 View
2015-04-01 2015-06-30 CY2014Q2 2015-08-04 0000073020-15-000024 $ 27,343,000 View
2015-07-01 2015-09-30 CY2014Q3 2015-11-03 0000073020-15-000031 $ 27,363,000 View
2015-01-01 2015-12-31 CY2013 2016-02-26 0000073020-16-000038 $ 27,347,000 View
2016-04-01 2016-06-30 CY2015Q2 2016-08-02 0000073020-16-000065 $ 27,510,000 View
2016-07-01 2016-09-30 CY2015Q3 2016-11-02 0000073020-16-000075 $ 27,554,000 View
2016-01-01 2016-12-31 CY2014 2017-02-27 0000073020-17-000007 $ 27,647,000 View
2017-07-01 2017-09-30 CY2016Q3 2017-11-03 0000073020-17-000033 $ 28,678,000 View
2017-01-01 2017-12-31 CY2016Q4I 2018-02-23 0000073020-18-000008 $ 28,669,000 View
2017-10-01 2017-12-31 CY2017Q4 2018-09-24 0000073020-18-000037 $ 28,716,000 View
2018-01-01 2018-03-31 CY2018Q1 2018-05-08 0000073020-18-000017 $ 28,753,000 View
2018-04-01 2018-06-30 CY2018Q2 2018-08-07 0000073020-18-000029 $ 28,791,000 View
2018-07-01 2018-09-30 CY2018Q3 2018-11-06 0000073020-18-000040 $ 28,815,000 View
SEC Facts By Type
Type Name Description 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 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 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 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 Defined Benefit Plan, Future Amortization of Gain (Loss) (Deprecated 2017-01-31) Amount included in accumulated other comprehensive income (AOCI) related to gain (loss) expected to be recognized as components of net periodic benefit cost for the fiscal year that follows the most recent annual statement of financial position. View
us-gaap Discontinued Operation, Income (Loss) from Discontinued Operation, Net of Tax, Per Basic Share Per basic share amount, after tax, of income (loss) from the day-to-day business activities of the discontinued operation. View
us-gaap Effective Income Tax Rate Reconciliation, State and Local Income Taxes, Percent Percentage 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 applicable to state and local income tax expense (benefit), net of federal tax expense (benefit). 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 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 Disposal Group, Including Discontinued Operation, Liabilities, Current Amount classified as liabilities attributable to disposal group held for sale or disposed of, expected to be disposed of within one year or the normal operating cycle, if longer. View
us-gaap Long-term Line of Credit The carrying value as of the balance sheet date of the current and noncurrent portions of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement. View
us-gaap Multiemployer Plan, Period Contributions (Deprecated 2017-01-31) Amount of contributions made to multiemployer plans by the employer. A multiemployer plan is a pension or postretirement benefit plan to which two or more unrelated employers contribute where assets contributed by one participating employer may be used to provide benefits to employees of other participating employers. 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 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 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 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 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 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, Fair Value Assumptions, Expected Volatility Rate The estimated measure of the percentage by which a share price is expected to fluctuate during a period. Volatility also may be defined as a probability-weighted measure of the dispersion of returns about the mean. The volatility of a share price is the standard deviation of the continuously compounded rates of return on the share over a specified period. That is the same as the standard deviation of the differences in the natural logarithms of the stock prices plus dividends, if any, over the period. View
us-gaap Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant The difference between the maximum number of shares (or other type of equity) authorized for issuance under the plan (including the effects of amendments and adjustments), and the sum of: 1) the number of shares (or other type of equity) already issued upon exercise of options or other equity-based awards under the plan; and 2) shares (or other type of equity) reserved for issuance on granting of outstanding awards, net of cancellations and forfeitures, if applicable. 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 Variable Interest Entity, Reporting Entity Involvement, Maximum Loss Exposure, Amount The reporting entity's maximum amount of exposure to loss as a result of its involvement with the Variable Interest Entity (VIE). 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 Proceeds from (Repayments of) Short-term Debt The net cash inflow or outflow for borrowing having initial term of repayment within one year or the normal operating cycle, if longer. View
us-gaap Proceeds from Sale of Productive Assets The cash inflow from the sale of property, plant and equipment (capital expenditures), software, and other intangible assets. 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
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
invest Derivative, Nonmonetary Notional Amount Aggregate notional amount of derivative expressed in nonmonetary units. For example, the number of barrels specified in a fuel oil forward purchase contract. View
invest Derivative, Notional Amount Aggregate notional amount specified by the derivative(s). Expressed as an absolute value. 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 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 Accrual for Environmental Loss Contingencies, Discount Rate Rate applied to the undiscounted amount of environmental loss contingencies to arrive at the present value recorded as of the balance sheet date. View
us-gaap Accrued Environmental Loss Contingencies, Current Carrying value of the obligation (known or estimated) arising from requirements to perform activities to remediate one or more sites, payable in twelve months or in the next operating cycle if longer. View
us-gaap Accrued Environmental Loss Contingencies, Noncurrent Carrying value of the obligation (known or estimated) arising from requirements to perform activities to remediate one or more sites, payable after twelve months or beyond the next operating cycle if longer. 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 Adjustment to Additional Paid in Capital, Income Tax Effect from Share-based Compensation, Net Amount of increase (decrease) in additional paid in capital (APIC) resulting from a tax benefit (deficiency) associated with an share-based compensation plan other than an employee stock ownership plan (ESOP). View
us-gaap Share-based Payment Arrangement, Expense Amount of expense for award under share-based payment arrangement. Excludes amount capitalized. View
us-gaap Share-based Payment Arrangement, Expense, after Tax Amount, after tax, of expense for award under share-based payment arrangement. 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 Amortization of Regulatory Asset The expense charged against earnings during the period to allocate the capitalized costs of regulatory assets over the periods expected to benefit from such costs. 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, 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 Disposal Group, Including Discontinued Operation, Assets, Current Amount classified as assets attributable to disposal group held for sale or disposed of, expected to be disposed of within one year or the normal operating cycle, if longer. View
us-gaap Bank Loans Amounts due on short-term bank loans secured by customers' securities on the balance sheet date. 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 Lease Obligation Incurred Amount of increase in lease obligation from new lease. View
us-gaap Capital Leases, Future Minimum Payments Due Amount of minimum lease payments for capital leases. View
us-gaap Capital Leases, Future Minimum Payments Due, Next Twelve Months Amount of minimum lease payments for capital leases 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 Capital Leases, Future Minimum Payments Due in Five Years Amount of minimum lease payments for capital leases 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 Capital Leases, Future Minimum Payments Due in Four Years Amount of minimum lease payments for capital leases 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 Capital Leases, Future Minimum Payments Due in Three Years Amount of minimum lease payments for capital leases 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 Capital Leases, Future Minimum Payments Due in Two Years Amount of minimum lease payments for capital leases 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 Capital Leases, Future Minimum Payments Due Thereafter Amount of minimum lease payments for capital leases 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 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 Cash Provided by (Used in) Financing Activities, Discontinued Operations Amount of cash inflow (outflow) of financing activities of 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 Cash Provided by (Used in) Investing Activities, Discontinued Operations Amount of cash inflow (outflow) of investing activities of 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 Cash Provided by (Used in) Operating Activities, Discontinued Operations Amount of cash inflow (outflow) of operating activities of discontinued operations. Operating activity cash flows include transactions, adjustments, and changes in value not defined as investing or financing activities. View
us-gaap Derivative, Loss on Derivative Amount of decrease in the fair value of derivatives recognized in the income statement. 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, 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, Issued Total number of common shares of an entity that have been sold or granted to shareholders (includes common shares that were issued, repurchased and remain in the treasury). These shares represent capital invested by the firm's shareholders and owners, and may be all or only a portion of the number of shares authorized. Shares issued include shares outstanding and shares held in the treasury. 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 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 Cost of Revenue The aggregate cost of goods produced and sold and services rendered during the reporting 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 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, Fair Value Disclosure Fair value portion of debt instrument payable, including, but not limited to, notes payable and loans payable. View
us-gaap Debt Instrument, Interest Rate, Stated Percentage Contractual interest rate for funds borrowed, under the debt agreement. View
us-gaap Debt Instrument, Interest Rate, Stated Percentage Rate Range, Maximum (Deprecated 2016-01-31) Maximum contractual interest rate for funds borrowed, under the debt agreement. View
us-gaap Debt Instrument, Interest Rate, Stated Percentage Rate Range, Minimum (Deprecated 2016-01-31) Minimum contractual interest rate for funds borrowed, under the debt agreement. View
us-gaap Deferred Credits and Other Liabilities, Noncurrent Carrying amount as of the balance sheet date of unearned revenue or income, not otherwise specified in the taxonomy, which is expected to be taken into income after one year or beyond the normal operating cycle, if longer and noncurrent obligations not separately disclosed in the balance sheet (other liabilities, noncurrent). 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 Gas Cost Carrying amount as of the balance sheet date of capitalized gas costs of a regulated entity that are expected to be recoverable through rate adjustments within one year or the normal operating cycle, if longer. 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 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, Charitable Contribution Carryforwards Amount before allocation of valuation allowances of deferred tax asset attributable to deductible charitable contribution 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 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, Regulatory Assets and Liabilities Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences derived regulatory assets and liabilities. View
us-gaap Deferred Tax Assets, Tax Credit Carryforwards, Alternative Minimum Tax Amount before allocation of valuation allowances of deferred tax asset attributable to deductible alternative minimum tax credit carryforwards. View
us-gaap Deferred Tax Assets, Tax Credit Carryforwards, General Business Amount before allocation of valuation allowances of deferred tax asset attributable to deductible general business tax credit carryforwards. View
us-gaap Deferred Tax Assets, Tax Credit Carryforwards, Other Amount, before allocation of valuation allowance, of deferred tax asset attributable to deductible tax credit carryforwards, classified as other. 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 Liabilities, Net Amount, after deferred tax asset, of deferred tax liability attributable to taxable differences without jurisdictional netting. 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, 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, Regulatory Assets and Liabilities Amount of deferred tax liability attributable to taxable temporary differences from regulatory assets and liabilities. View
us-gaap Defined Benefit Plan, Amortization of Net Gains (Losses) (Deprecated 2013-01-31) The amounts in accumulated other comprehensive income related to gains and losses that are not recognized immediately and are expected to be recognized as components of net periodic benefit cost over the next fiscal year that follows the most recent annual statement of financial position presented. 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, Expected Amortization of Gain (Loss), Next Fiscal Year Amount included in accumulated other comprehensive income (loss) for gain (loss) of defined benefit plan expected to be recognized in net periodic benefit (cost) credit for fiscal year following most recent annual statement of financial position. View
us-gaap Defined Benefit Plan, Expected Future Employer Contributions, Remainder of Fiscal Year Amount of contribution expected to be received by defined benefit plan from employer in remainder of current fiscal year. Excludes contribution previously paid by employer in current fiscal year. 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 Equity Method Investment, Ownership Percentage The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting. 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, Health Care Cost Trend Rate Assumed, Next Fiscal Year Assumed rate, for next fiscal year, based on annual change in cost of health care cost benefits used to measure expected cost of benefits covered by defined benefit postretirement plan. Factors include, but are not limited to, estimate of health care inflation, change in health care utilization or delivery pattern, technological advances, and change in health status of participant. Excludes factors for change in composition of plan population by age and dependency status. View
us-gaap Defined Benefit Plans, Estimated Future Employer Contributions in Current Fiscal Year (Deprecated 2017-01-31) Amount of employer's best estimate of contributions expected to be paid to the plan in the current remaining fiscal period. View
us-gaap Defined Benefit Plans, Estimated Future Employer Contributions in Next Fiscal Year (Deprecated 2017-01-31) Amount of employer's best estimate of contributions expected to be paid to the plan during the next fiscal year beginning after the date of the latest statement of financial position. 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 Defined Benefit Plan, Ultimate Health Care Cost Trend Rate Ultimate trend rate for health care cost for defined benefit postretirement plan. View
us-gaap Defined Contribution Plan, Cost Amount of cost for defined contribution plan. View
us-gaap Depreciation, Depletion and Amortization, Nonproduction The current period expense charged against earnings on long-lived, physical assets not used in production, and which are not intended for resale, to allocate or recognize the cost of such assets over their useful lives; or to record the reduction in book value of an intangible asset over the benefit period of such asset; or to reflect consumption during the period of an asset that is not used in production. View
us-gaap Derivative Asset, Fair Value, Net (Deprecated 2013-01-31) Fair value of the gross assets less the gross liabilities of a derivative asset or group of derivative assets. 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, Noncurrent 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 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 Asset, Fair Value, Amount Not Offset Against Collateral Fair value, after offset of derivative liability, of 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, before offset against an obligation to return collateral under a master netting arrangement. Includes assets elected not to be offset. Excludes assets not subject to a master netting arrangement. View
us-gaap Derivative Liability, Fair Value, Amount Not Offset Against Collateral Fair value, after offset of derivative asset, of 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, elected not to be and before offset against a right to receive collateral under a master netting arrangement. Includes liabilities elected not to be offset. Excludes liabilities not subject to a master netting arrangement. View
us-gaap Derivative, Fair Value, Net Fair value of the assets less the liabilities of a derivative or group of derivatives. View
us-gaap Derivative, Gain on Derivative Amount of increase in the fair value of derivatives recognized in the income statement. 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, Fair Value, Net (Deprecated 2013-01-31) Fair value of the gross liabilities less the gross assets of a derivative liability or group of derivative liabilities. View
us-gaap Discontinued Operation, Income (Loss) from Discontinued Operation, Net of Tax, Per Diluted Share Per diluted share amount, after tax, of income (loss) from the day-to-day business activities of the discontinued operation. View
us-gaap Disposal Group, Including Discontinued Operation, Assets, Noncurrent Amount classified as assets attributable to disposal group held for sale or disposed of, expected to be disposed of after one year or the normal operating cycle, if longer. 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, Stock Amount of paid and unpaid common stock dividends declared with the form of settlement in stock. 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 Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent Percentage of domestic federal statutory tax rate applicable to pretax income (loss). View
us-gaap Effective Income Tax Rate Reconciliation, Nondeductible Expense, Life Insurance, Percent Percentage 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 life insurance expense. View
us-gaap Effective Income Tax Rate Reconciliation, Other Adjustments, Percent Percentage 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, Tax Credit, Percent Percentage 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 Share-based Payment Arrangement, Amount Capitalized Amount of cost capitalized for award under share-based payment arrangement. View
us-gaap Employee Service Share-based Compensation, Cash Received from Exercise of Stock Options (Deprecated 2017-01-31) Aggregate proceeds received by the entity during the annual period from exercises of stock or unit options and conversion of similar instruments granted under equity-based payment arrangements. View
us-gaap Share-based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount Amount of cost not yet recognized for nonvested award under share-based payment arrangement. View
us-gaap Share-based Payment Arrangement, Nonvested Award, Excluding Option, Cost Not yet Recognized, Amount Amount of cost to be recognized for nonvested award under share-based payment arrangement. Excludes share and unit options. View
us-gaap Share-based Payment Arrangement, Nonvested Award, Option, Cost Not yet Recognized, Amount Amount of cost to be recognized for option under share-based payment arrangement. 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 Employee Service Share-based Compensation, Tax Benefit Realized from Exercise of Stock Options (Deprecated 2017-01-31) Disclosure of the aggregate tax benefit realized from the exercise of stock options and the conversion of similar instruments during the annual period. 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 Expense and Liabilities The adjustment to exclude the noncash portion of, and include cash payments for environmental costs when calculating operating cash flows under the indirect method. The adjustment can include the increase (decrease) during an accounting period in total estimated obligations recorded for probable future loss attributable to environmental contamination issues. 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 Equipment Expense This element represents equipment expense including depreciation, repairs, rentals, and service contract costs. This item also includes equipment purchases which do not qualify for capitalization in accordance with the entity's accounting policy. This item may also include furniture expenses. View
us-gaap Equity Method Investment, Underlying Equity in Net Assets This item represents the entity's ownership percentage in the investee multiplied by the investee's total equity. View
us-gaap Excise and Sales Taxes The amount of excise and sales taxes included in sales and revenues, which are then deducted as a cost of sales. Includes excise taxes, which are applied to specific types of transactions or items (such as gasoline or alcohol); and sales, use and value added taxes, which are applied to a broad class of revenue-producing transactions involving a wide range of goods and services. View
us-gaap Gain (Loss) from Price Risk Management Activity Gain (loss) incurred in risk management activities. 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 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 Long-Lived Assets Held-for-use The aggregate amount of write-downs for impairments recognized during the period for long lived assets held for use (including those held for disposal by means other than sale). View
us-gaap Income (Loss) from Continuing Operations, Net of Tax, Attributable to Parent Amount after tax of income (loss) from continuing operations attributable to the parent. 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 Continuing Operations before Equity Method Investments, Income Taxes, Noncontrolling Interest Amount of income (loss) from continuing operations before deduction of income tax expense (benefit) and income (loss) attributable to noncontrolling interest, and addition of income (loss) from equity method investments. View
us-gaap Income (Loss) from Continuing Operations, Per Basic Share The amount of net income (loss) from continuing operations per each share of common stock or unit outstanding during the reporting period. View
us-gaap Income (Loss) from Continuing Operations, Per Diluted Share The amount of net income (loss) derived from continuing operations during the period available to each share of common stock or common unit outstanding during the reporting period and to each share or unit that would have been outstanding assuming the issuance of common shares or units for all dilutive potential common shares or units outstanding during the reporting period. View
us-gaap Income (Loss) from Discontinued Operations, Net of Tax, Attributable to Parent Amount after tax of income (loss) from a discontinued operation attributable to the parent. Includes, but is not limited to, the income (loss) from operations during the phase-out period, gain (loss) on disposal, gain (loss) for reversal of write-down (write-down) to fair value, less cost to sell, and adjustments to a prior period gain (loss) on disposal. 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 Tax Expense (Benefit), Continuing Operations, Adjustment of Deferred Tax (Asset) Liability Amount of income tax expense (benefit) from continuing operations attributable to an adjustment of a deferred tax liability or asset for enacted changes in tax laws or rates or a change in the tax status of the entity. 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 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, 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 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 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 and Other Receivables The increase (decrease) during the reporting period in the amount due from customers for the credit sale of goods and services; includes accounts receivable and other types of receivables. 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 Income Taxes Payable The increase (decrease) during the period in the amount due for taxes based on the reporting entity's earnings or attributable to the entity's income earning process (business presence) within a given jurisdiction. 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 Deferred Gas Cost The increase (decrease) during the reporting period in carrying amount of capitalized gas costs of a regulated entity that are expected to be recoverable through rate adjustments within one year or the normal operating cycle, if longer. View
us-gaap Increase (Decrease) in Income Taxes Receivable The increase (decrease) during the reporting period in income taxes receivable, which represents the amount due from tax authorities for refunds of overpayments or recoveries of income taxes paid. View
us-gaap Increase (Decrease) in Interest Payable, Net The increase (decrease) during the reporting period in interest payable, which represents the amount owed to note holders, bond holders, and other parties for interest earned on loans or credit extended to the reporting entity. 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 Operating Assets and Liabilities, Net Amount of increase (decrease) in operating assets after deduction of operating liabilities 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 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 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 Income (Expense), Nonoperating, Net The net amount of nonoperating interest income (expense). 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 Inventory, Finished Goods, Gross Amount before valuation and LIFO reserves of completed merchandise or goods expected to be sold within one year or operating cycle, if longer. View
us-gaap Inventory, Gas in Storage Underground, Noncurrent Carrying amount as of the balance sheet date of natural gas stored underground in depleted gas reservoirs, aquifers, or salt caverns to meet future seasonal and peak load demands and also as insurance against unforeseen supply disruptions, and deemed to be a noncurrent asset because it is not expected to be used within 12 months or in the normal operating cycle. View
us-gaap Inventory, Raw Materials and Supplies, Net of Reserves Aggregated amount of unprocessed materials to be used in manufacturing or production process and supplies that will be consumed. This amount is net of valuation reserves and adjustments. 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 Disposal Group, Including Discontinued Operation, Liabilities, Noncurrent Amount classified as liabilities attributable to disposal group held for sale or disposed of, expected to be disposed of beyond one year or the normal operating cycle, if longer. View
us-gaap Life Insurance, Corporate or Bank Owned, Amount This item represents the amount that could be realized under a life insurance contract or contracts owned by the Entity as of the date of the statement of financial position. Such Entity-owned life insurance policies are commonly known as corporate-owned life insurance (COLI) or bank-owned life insurance (BOLI). View
us-gaap Line of Credit Facility, Amount Outstanding (Deprecated 2014-01-31) Amount borrowed under the credit facility as of the balance sheet date. 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, 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 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 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 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 Long-term Debt, Weighted Average Interest Rate, at Point in Time Weighted average interest rate of long-term debt outstanding calculated at point in time. View
us-gaap Loss Contingency, Damages Sought, Value The value (monetary amount) of the award the plaintiff seeks in the legal matter. View
us-gaap Medium-term Notes Including the current and noncurrent portions, carrying value at the balance sheet date of a financial instrument used to receive debt funding on a regular basis with original maturities ranging from 5-10 years. View
us-gaap Multiemployer Plans, Withdrawal Obligation Amount of the obligation recognized by withdrawing from a pension or postretirement benefit plan to which two or more unrelated employers contribute where assets contributed by one participating employer may be used to provide benefits to employees of other participating employers. 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 Notional Amount of Foreign Currency Derivatives (Deprecated 2013-01-31) Aggregate notional amount of foreign currency exchange rate derivatives. Notional amount refers to the number of currency units specified in the foreign currency derivative contract. View
us-gaap Operating Costs and Expenses Generally recurring costs associated with normal operations except for the portion of these expenses which can be clearly related to production and included in cost of sales or services. Excludes Selling, General and Administrative Expense. 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 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 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 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 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 Proceeds from (Payments for) Other Financing Activities Amount of cash inflow (outflow) from financing activities classified as other. 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 Leases, Rent Expense, Minimum Rentals This element represents the payments that the lessee is obligated to make or can be required to make in connection with a property under the terms of an agreement classified as an operating lease, excluding contingent rentals and a guarantee by the lessee of the lessor's debt and the lessee's obligation to pay (apart from the rental payments) executory costs such as insurance, maintenance, and taxes. 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 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), Amortization, Pension and Other Postretirement Benefit Plans, Net Prior Service Cost Recognized in Net Periodic Pension Cost, Net of Tax (Deprecated 2012-01-31) The adjustment out of other comprehensive income for prior service costs recognized as a component of net period benefit cost during the period, after tax. View
us-gaap Other Comprehensive Income (Loss), Amortization, Pension and Other Postretirement Benefit Plans, Net Prior Service Cost Recognized in Net Periodic Pension Cost, Tax (Deprecated 2013-01-31) Tax effect of the income statement impact of the reclassification adjustment for prior service costs recognized as a component of net period benefit cost. View
us-gaap Other Comprehensive (Income) Loss, Defined Benefit Plan, after Tax and Reclassification Adjustment, Attributable to Parent Amount, after tax and reclassification adjustment, of (increase) decrease in accumulated other comprehensive income for defined benefit plan, attributable to parent. View
us-gaap Other Comprehensive Income (Loss), Defined Benefit Plan, Gain (Loss) Arising During Period, after Tax Amount, after tax, of gain (loss) for (increase) decrease in value of benefit obligation for change in actuarial assumptions and increase (decrease) in value of plan assets from experience different from that assumed of defined benefit plan, that has not been recognized in net periodic benefit (cost) credit. View
us-gaap Other Comprehensive Income (Loss), Defined Benefit Plan, Gain (Loss) Arising During Period, Tax Amount of tax expense (benefit) for (increase) decrease in value of benefit obligation for change in actuarial assumptions and increase (decrease) in value of plan assets from experience different from that assumed of defined benefit plan, that has not been recognized in net periodic benefit (cost) credit. View
us-gaap Other Comprehensive (Income) Loss, Defined Benefit Plan, after Reclassification Adjustment, Tax, Attributable to Parent Amount, after reclassification adjustment, of tax (expense) benefit for (increase) decrease in accumulated other comprehensive income for defined benefit plan, attributable to parent. View
us-gaap Other Comprehensive (Income) Loss, Defined Benefit Plan, Prior Service Cost (Credit), Reclassification Adjustment from AOCI, before Tax Amount, before tax, of reclassification adjustment from accumulated other comprehensive (income) loss for prior service cost (credit) of defined benefit plan. View
us-gaap Other Comprehensive (Income) Loss, Defined Benefit Plan, Prior Service Cost (Credit), Reclassification Adjustment from AOCI, after Tax Amount, after tax, of reclassification adjustment from accumulated other comprehensive (income) loss for prior service cost (credit) of defined benefit plan. View
us-gaap Other Comprehensive (Income) Loss, Defined Benefit Plan, Prior Service Cost (Credit), Reclassification Adjustment from AOCI, Tax Amount of tax (expense) benefit of reclassification adjustment from accumulated other comprehensive (income) loss for prior service cost (credit) of defined benefit plan. View
us-gaap Other Comprehensive Income (Loss), Amortization, Pension and Other Postretirement Benefit Plans, Net Prior Service Cost Recognized in Net Periodic Benefit Cost, before Tax (Deprecated 2013-01-31) Before tax amount of the income statement impact of the reclassification adjustment for prior service costs recognized as a component of net period benefit cost. View
us-gaap Other Comprehensive Income (Loss), Amortization, Pension and Other Postretirement Benefit Plans, Net Prior Service Cost Recognized in Net Periodic Pension Cost, Net of Tax (Deprecated 2013-01-31) Net of tax amount of the income statement impact of the reclassification adjustment for prior service costs recognized as a component of net period benefit cost. View
us-gaap Other Comprehensive Income (Loss), Amortization, Pension and Other Postretirement Benefit Plans, Net Prior Service Cost Recognized in Net Periodic Pension Cost, Tax Effect (Deprecated 2012-01-31) Tax effect on adjustment out of other comprehensive income for prior service costs recognized as a component of net period benefit cost during the period. 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, Portion Attributable to Parent Amount after tax of other comprehensive income (loss) attributable to parent entity. View
us-gaap Other Comprehensive (Income) Loss, Defined Benefit Plan, after Reclassification Adjustment, before Tax Amount, before tax, after reclassification adjustment, of (increase) decrease in accumulated other comprehensive income for defined benefit plan. View
us-gaap Other Comprehensive (Income) Loss, Defined Benefit Plan, after Reclassification Adjustment, after Tax Amount, after tax and reclassification adjustment, of (increase) decrease in accumulated other comprehensive income for defined benefit plan. View
us-gaap Other Comprehensive Income (Loss), Defined Benefit Plan, Gain (Loss), Reclassification Adjustment from AOCI, before Tax Amount, before tax, of reclassification adjustment from accumulated other comprehensive income (loss) for gain (loss) of defined benefit plan. View
us-gaap Other Comprehensive (Income) Loss, Defined Benefit Plan, Reclassification Adjustment from AOCI, after Tax Amount, after tax, of reclassification adjustment from accumulated other comprehensive (income) loss for net periodic benefit cost (credit) of defined benefit plan. View
us-gaap Other Comprehensive (Income) Loss, Defined Benefit Plan, Reclassification Adjustment from AOCI, Tax Amount of tax (expense) benefit for reclassification adjustment from accumulated other comprehensive (income) loss of defined benefit plan. View
us-gaap Other Comprehensive Income (Loss), Reclassification, Pension and Other Postretirement Benefit Plans, Net Gain (Loss) Recognized in Net Periodic Benefit Cost, before Tax (Deprecated 2013-01-31) Before tax amount of the income statement impact of the reclassification adjustment for actuarial gain (loss) recognized as a component of net periodic benefit cost. View
us-gaap Other Cost and Expense, Operating The total amount of other operating cost and expense items that are associated with the entity's normal revenue producing operation. View
us-gaap Other Increase (Decrease) in Environmental Liabilities Other increase (decrease) not attributable to current expense nor cash payments during an accounting period in estimated obligations recorded for probable future costs attributable to environmental contamination issues. 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 Investments Amount of investments classified as other. View
us-gaap Other Liabilities Amount of liabilities classified as other. 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 Long-term Investments Amount of long-term investments classified as other. View
us-gaap Other Noncash Income Amount of income or gain included in net income that result in no cash inflow (outflow), classified as other. View
us-gaap Other Noncash Income (Expense) Amount of income (expense) included in net income that results in no cash inflow (outflow), classified as other. View
us-gaap Other Nonoperating Income (Expense) Amount of income (expense) related to nonoperating activities, classified as other. 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 Repurchase of Common Stock The cash outflow to reacquire common stock during the period. 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 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 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 Payment for Pension Benefits Amount of cash outflow for pension benefit. Includes, but is not limited to, employer contribution to fund plan asset and payment to retiree. Excludes other postretirement benefit. View
us-gaap Pension Cost (Reversal of Cost) Amount of cost (reversal of cost) for pension benefits. Excludes other postretirement benefits. 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 Debt The cash inflow during the period from additional borrowings in aggregate debt. Includes proceeds from short-term and long-term debt. View
us-gaap Proceeds from Stock Options Exercised Amount of cash inflow from exercise of option under share-based payment arrangement. 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 Public Utilities, Allowance for Funds Used During Construction, Rate Effective rate, including composite rate, of cost of financing additions to qualifying regulated assets, commonly called allowance for funds used during construction. 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, Disclosure of Composite Depreciation Rate for Plants in Service Composite depreciation rate for public utility plants in service. View
us-gaap Receivables, Long-term Contracts or Programs Amount to be collected within one year of the balance sheet date (or one operating cycle, if longer) from customers in accordance with the contractual provisions of long-term contracts or programs including amounts billed and unbilled as of the balance sheet date. 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 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 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 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 Cash and Cash Equivalents, Current Amount of cash and cash equivalents restricted as to withdrawal or usage, classified as current. Cash includes, but is not limited to, currency on hand, demand deposits with banks or financial institutions, and other accounts with general characteristics of demand deposits. Cash equivalents include, but are not limited to, short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. View
us-gaap Restricted Cash and Cash Equivalents, Noncurrent Amount of cash and cash equivalents restricted as to withdrawal or usage, classified as noncurrent. Cash includes, but is not limited to, currency on hand, demand deposits with banks or financial institutions, and other accounts with general characteristics of demand deposits. Cash equivalents include, but are not limited to, short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. View
us-gaap Retained Earnings (Accumulated Deficit) The cumulative amount of the reporting entity's undistributed earnings or deficit. View
us-gaap Revenue from Contract with Customer, Including Assessed Tax Amount, including tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value-added and excise. View
us-gaap Revenues Amount of revenue recognized from goods sold, services rendered, insurance premiums, or other activities that constitute an earning process. Includes, but is not limited to, investment and interest income before deduction of interest expense when recognized as a component of revenue, and sales and trading gain (loss). View
us-gaap Secured Debt Carrying value as of the balance sheet date, including the current and noncurrent portions, of collateralized debt obligations (with maturities initially due after one year or beyond the operating cycle, if longer). Such obligations include mortgage loans, chattel loans, and any other borrowings secured by assets of the borrower. View
us-gaap Share-based Compensation Arrangement by Share-based Payment Award, Discount from Market Price, Offering Date Discount rate from fair value on offering date that participants pay for shares. View
us-gaap Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeited in Period The number of equity-based payment instruments, excluding stock (or unit) options, that were forfeited during the reporting period. View
us-gaap Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeitures, Weighted Average Grant Date Fair Value Weighted average fair value as of the grant date of equity-based award plans other than stock (unit) option plans that were not exercised or put into effect as a result of the occurrence of a terminating event. View
us-gaap Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period 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, Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value The weighted average fair value at grant date for nonvested equity-based awards issued during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan). View
us-gaap Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number The number of non-vested equity-based payment instruments, excluding stock (or unit) options, that validly exist and are outstanding as of the balance sheet date. View
us-gaap Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value Per share or unit weighted-average fair value of nonvested award under share-based payment arrangement. Excludes share and unit options. View
us-gaap Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Period Increase (Decrease) The net total number of shares (or other type of equity) under an equity-based award plan, other than a stock option plan, that were granted, vested and forfeited during the reporting period. View
us-gaap Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period The number of equity-based payment instruments, excluding stock (or unit) options, that vested during the reporting period. View
us-gaap Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period, Fair Value Fair value of share-based awards for which the grantee gained the right by satisfying service and performance requirements, to receive or retain shares or units, other instruments, or cash. View
us-gaap Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period, Weighted Average Grant Date Fair Value The weighted average fair value as of grant date pertaining to an equity-based award plan other than a stock (or unit) option plan for which the grantee gained the right during the reporting period, by satisfying service and performance requirements, to receive or retain shares or units, other instruments, or cash in accordance with the terms of the arrangement. View
us-gaap Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Exercise Price Agreed-upon price for the exchange of the underlying asset relating to the share-based payment award. View
us-gaap Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Dividend Payments The estimated amount of dividends to be paid to holders of the underlying shares (expected dividends) over the option's term. Dividends are taken into account because payment of dividends to shareholders reduces the fair value of the underlying shares, and option holders generally do not receive dividends. View
us-gaap Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Dividend Rate The estimated dividend rate (a percentage of the share price) to be paid (expected dividends) to holders of the underlying shares over the option's term. View
us-gaap Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Term (Deprecated 2012-01-31) The period of time an equity-based award is expected to be outstanding. An equity-based award's expected term is generally determined based on, among other factors, the instrument's contractual term and the effects of employees' expected exercise and post-vesting employment termination behavior. View
us-gaap Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Risk Free Interest Rate The risk-free interest rate assumption that is used in valuing an option on its own shares. View
us-gaap Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized Number of shares authorized for issuance under share-based payment arrangement. View
us-gaap Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period, Intrinsic Value Amount of accumulated difference between fair value of underlying shares on dates of exercise and exercise price on options exercised (or share units converted) into shares. View
us-gaap Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period, Weighted Average Exercise Price (Deprecated 2012-01-31) The weighted average price at which option holders acquired shares when converting their stock options into shares under the plan during the reporting period. View
us-gaap Share-based Compensation Arrangement by Share-based Payment Award, Options, Forfeitures and Expirations in Period For presentations that combine terminations, the number of shares under options that were cancelled during the reporting period as a result of occurrence of a terminating event specified in contractual agreements pertaining to the stock option plan or that expired. View
us-gaap Share-based Compensation Arrangement by Share-based Payment Award, Options, Forfeitures and Expirations in Period, Weighted Average Exercise Price Weighted average price of options that were either forfeited or expired. View
us-gaap Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Net of Forfeitures Net number of share options (or share units) granted during the period. View
us-gaap Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross Gross number of share options (or share units) granted during the period. View
us-gaap Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value The weighted average grant-date fair value of options granted during the reporting period as calculated by applying the disclosed option pricing methodology. View
us-gaap Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Intrinsic Value Amount by which the current fair value of the underlying stock exceeds the exercise price of options outstanding. View
us-gaap Share-based Compensation Arrangement by Share-based Payment Award, Shares Issued in Period Number of shares issued under share-based payment arrangement. View
us-gaap Share-based Compensation Arrangements by Share-based Payment Award, Options, Exercises in Period, Weighted Average Exercise Price Weighted average price at which option holders acquired shares when converting their stock options into shares. View
us-gaap Share-based Payment Arrangement, Option, Exercise Price Range, Shares Exercisable The number of shares reserved for issuance pertaining to the outstanding exercisable stock options as of the balance sheet date in the customized range of exercise prices for which the market and performance vesting condition has been satisfied. View
us-gaap Share-based Payment Arrangement, Option, Exercise Price Range, Shares Outstanding The number of shares reserved for issuance pertaining to the outstanding stock options as of the balance sheet date for all option plans in the customized range of exercise prices. View
us-gaap Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Intrinsic Value Amount of difference between fair value of the underlying shares reserved for issuance and exercise price of vested portions of options outstanding and currently exercisable. View
us-gaap Share-based Payment Arrangement, Option, Exercise Price Range, Exercisable, Weighted Average Exercise Price Weighted average exercise price as of the balance sheet date for those equity-based payment arrangements exercisable and outstanding. View
us-gaap Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, Exercisable Options, Weighted Average Remaining Contractual Term (Deprecated 2012-01-31) The weighted average remaining life of the exercisable stock options as of the balance sheet date for all option plans in the customized range of exercise prices. View
us-gaap Share-based Payment Arrangement, Option, Exercise Price Range, Outstanding, Weighted Average Exercise Price The weighted average price as of the balance sheet date at which grantees could acquire the underlying shares with respect to all outstanding stock options which are in the customized range of exercise prices. View
us-gaap Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, Outstanding Options, Weighted Average Remaining Contractual Term (Deprecated 2012-01-31) The weighted-average period remaining as of the balance sheet date until option expiration pertaining to the outstanding stock options for all option plans in the customized range of exercise prices, which may be expressed in a variety of ways (for example, years, months). View
us-gaap Share Price Price of a single share of a number of saleable stocks of a company. 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 Short-term Debt, Weighted Average Interest Rate, at Point in Time Weighted average interest rate of short-term debt outstanding calculated at point in time. 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 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 Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period Number of share options (or share units) exercised during the current period. View
us-gaap Stock Issued During Period, Value, Employee Stock Ownership Plan Aggregate value of stock issued during the period as a result of employee stock ownership plan (ESOP). 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, Forfeited Value of forfeited shares issued under share-based payment arrangement. Excludes employee stock ownership plan (ESOP). 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 Treasury Stock, Shares Number of common and preferred shares that were previously issued and that were repurchased by the issuing entity and held in treasury on the financial statement date. This stock has no voting rights and receives no dividends. 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 Unrealized Gain (Loss) on Derivatives The net change in the difference between the fair value and the carrying value, or in the comparative fair values, of derivative instruments, including options, swaps, futures, and forward contracts, held at each balance sheet date, that was included in earnings for the period. View
us-gaap Unrealized Gain on Foreign Currency Derivatives, before Tax Amount of unrealized gain related to the increase in fair value of foreign currency exchange rate derivatives designated as cash flow hedging instruments. Recorded in accumulated other comprehensive income to the extent that the cash flow hedge is determined to be effective. View
us-gaap Unrealized Loss on Foreign Currency Derivatives, before Tax Amount of unrealized loss recorded in accumulated other comprehensive income pertaining to the decrease in fair value of foreign currency exchange rate derivatives designated as cash flow hedging instruments to the extent that a cash flow hedge is determined to be effective. View
us-gaap Unrecorded Unconditional Purchase Obligation, Purchases The amount purchased during the period under an unrecorded unconditional purchase obligation (for example, under the take-or-pay or throughput contract). 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, 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 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, Additions, Charge to Other Account Amount of increase in valuation and qualifying accounts and reserves from charge to accounts other than cost and expense. View
us-gaap Weighted Average Number Diluted Shares Outstanding Adjustment The sum of dilutive potential common shares or units used in the calculation of the diluted per-share or per-unit computation. 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
Debt Instrument, Interest Rate, Stated Percentage Rate Range, Maximum (Deprecated 2016-01-31) View
Disposal Group, Including Discontinued Operation, Assets, Noncurrent View
Employee Service Share-based Compensation, Cash Received from Exercise of Stock Options (Deprecated 2017-01-31) View
Interest Income (Expense), Nonoperating, Net View
Operating Leases, Future Minimum Payments Due View
Other Comprehensive (Income) Loss, Defined Benefit Plan, Prior Service Cost (Credit), Reclassification Adjustment from AOCI, after Tax View
Other Comprehensive Income (Loss), Amortization, Pension and Other Postretirement Benefit Plans, Net Prior Service Cost Recognized in Net Periodic Benefit Cost, before Tax (Deprecated 2013-01-31) 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, Equity Instruments Other than Options, Forfeitures, Weighted Average Grant Date Fair Value View
Stock Issued During Period, Shares, Dividend Reinvestment Plan View
Accounts Payable, Current View
Accounts Receivable, before Allowance for Credit Loss, Current View
Accrual for Environmental Loss Contingencies, Discount Rate View
Accrued Environmental Loss Contingencies, Current View
Accrued Environmental Loss Contingencies, Noncurrent 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), Net of Tax View
Adjustment to Additional Paid in Capital, Income Tax Effect from Share-based Compensation, Net View
Share-based Payment Arrangement, Expense View
Share-based Payment Arrangement, Expense, after Tax View
Accounts Receivable, Allowance for Credit Loss, Current View
Amortization of Regulatory Asset View
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount View
Assets View
Assets, Current View
Assets, Noncurrent View
Disposal Group, Including Discontinued Operation, Assets, Current View
Bank Loans View
Capitalization, Long-term Debt and Equity View
Lease Obligation Incurred View
Capital Leases, Future Minimum Payments Due View
Capital Leases, Future Minimum Payments Due, Next Twelve Months View
Capital Leases, Future Minimum Payments Due in Five Years View
Capital Leases, Future Minimum Payments Due in Four Years View
Capital Leases, Future Minimum Payments Due in Three Years View
Capital Leases, Future Minimum Payments Due in Two Years View
Capital Leases, Future Minimum Payments Due Thereafter View
Cash and Cash Equivalents, at Carrying Value View
Cash and Cash Equivalents, Period Increase (Decrease) View
Cash Provided by (Used in) Financing Activities, Discontinued Operations View
Cash Provided by (Used in) Investing Activities, Discontinued Operations View
Cash Provided by (Used in) Operating Activities, Discontinued Operations View
Commercial Paper View
Commitments and Contingencies View
Common Stock, Dividends, Per Share, Declared View
Common Stock, Shares Authorized View
Common Stock, Shares, Issued View
Common Stock, Shares, Outstanding View
Common Stock, Value, Issued View
Comprehensive Income (Loss), Net of Tax, Attributable to Parent View
Cost of Revenue View
Current Federal Tax Expense (Benefit) View
Current Income Tax Expense (Benefit) View
Current State and Local Tax Expense (Benefit) View
Long-term Debt, Gross View
Debt Instrument, Fair Value Disclosure View
Debt Instrument, Interest Rate, Stated Percentage View
Debt Instrument, Interest Rate, Stated Percentage Rate Range, Minimum (Deprecated 2016-01-31) View
Deferred Credits and Other Liabilities, Noncurrent View
Deferred Federal Income Tax Expense (Benefit) View
Deferred Gas Cost View
Deferred Income Tax Expense (Benefit) 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, Charitable Contribution Carryforwards View
Deferred Tax Assets, Net View
Deferred Tax Assets, Net, Current View
Deferred Tax Assets, Net of Valuation Allowance View
Deferred Tax Assets, Regulatory Assets and Liabilities View
Deferred Tax Assets, Tax Credit Carryforwards, Alternative Minimum Tax View
Deferred Tax Assets, Tax Credit Carryforwards, General Business View
Deferred Tax Assets, Tax Credit Carryforwards, Other View
Deferred Tax Assets, Tax Deferred Expense, Compensation and Benefits View
Deferred Tax Liabilities, Net View
Deferred Tax Liabilities, Deferred Expense 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, Regulatory Assets and Liabilities View
Defined Benefit Plan, Amortization of Net Gains (Losses) (Deprecated 2013-01-31) 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, Expected Amortization of Gain (Loss), Next Fiscal Year View
Defined Benefit Plan, Expected Future Employer Contributions, Remainder of Fiscal Year View
Defined Benefit Plan, Plan Assets, Amount View
Defined Benefit Plan, Future Amortization of Gain (Loss) (Deprecated 2017-01-31) View
Defined Benefit Plan, Health Care Cost Trend Rate Assumed for Next Fiscal Year (Deprecated 2017-01-31) View
Defined Benefit Plan, Health Care Cost Trend Rate Assumed, Next Fiscal Year View
Defined Benefit Plans, Estimated Future Employer Contributions in Current Fiscal Year (Deprecated 2017-01-31) View
Defined Benefit Plans, Estimated Future Employer Contributions in Next Fiscal Year (Deprecated 2017-01-31) View
Defined Benefit Plan, Ultimate Health Care Cost Trend Rate (Deprecated 2017-01-31) View
Defined Benefit Plan, Ultimate Health Care Cost Trend Rate View
Defined Contribution Plan, Cost View
Depreciation, Depletion and Amortization, Nonproduction View
Derivative Asset, Fair Value, Net (Deprecated 2013-01-31) View
Derivative Asset, Current View
Derivative Asset, Noncurrent View
Derivative Asset, Fair Value, Amount Not Offset Against Collateral View
Derivative Liability, Fair Value, Amount Not Offset Against Collateral View
Derivative, Fair Value, Net View
Derivative, Gain on Derivative View
Derivative Liability, Current View
Derivative Liability, Noncurrent View
Derivative Liability, Fair Value, Net (Deprecated 2013-01-31) View
Derivative, Loss on Derivative View
Discontinued Operation, Income (Loss) from Discontinued Operation, Net of Tax, Per Basic Share View
Discontinued Operation, Income (Loss) from Discontinued Operation, Net of Tax, Per Diluted Share View
Dividends, Common Stock, Cash View
Dividends, Common Stock, Stock View
Earnings Per Share, Basic View
Earnings Per Share, Diluted View
Effective Income Tax Rate Reconciliation, Percent View
Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent View
Effective Income Tax Rate Reconciliation, Nondeductible Expense, Life Insurance, Percent View
Effective Income Tax Rate Reconciliation, Other Adjustments, Percent View
Effective Income Tax Rate Reconciliation, State and Local Income Taxes, Percent View
Effective Income Tax Rate Reconciliation, Tax Credit, Percent View
Share-based Payment Arrangement, Amount Capitalized View
Share-based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount View
Share-based Payment Arrangement, Nonvested Award, Excluding Option, Cost Not yet Recognized, Amount View
Share-based Payment Arrangement, Nonvested Award, Option, Cost Not yet Recognized, Amount View
Share-based Payment Arrangement, Expense, Tax Benefit View
Employee Service Share-based Compensation, Tax Benefit Realized from Exercise of Stock Options (Deprecated 2017-01-31) View
Energy Related Inventory, Natural Gas in Storage View
Environmental Expense and Liabilities View
Environmental Remediation Expense View
Equipment Expense View
Equity Method Investment, Ownership Percentage View
Equity Method Investments View
Equity Method Investment, Underlying Equity in Net Assets View
Excise and Sales Taxes View
Gain (Loss) from Price Risk Management Activity View
Goodwill View
Gross Profit View
Impairment of Long-Lived Assets Held-for-use View
Income (Loss) from Continuing Operations, Net of Tax, Attributable to Parent View
Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest View
Income (Loss) from Continuing Operations before Equity Method Investments, Income Taxes, Noncontrolling Interest View
Income (Loss) from Continuing Operations, Per Basic Share View
Income (Loss) from Continuing Operations, Per Diluted Share View
Income (Loss) from Discontinued Operations, Net of Tax, Attributable to Parent View
Income (Loss) from Equity Method Investments View
Income Tax Expense (Benefit) View
Income Tax Expense (Benefit), Continuing Operations, Adjustment of Deferred Tax (Asset) Liability View
Income Taxes Paid View
Income Taxes Paid, Net View
Income Taxes Receivable, Current View
Effective Income Tax Rate Reconciliation at Federal Statutory Income Tax Rate, Amount View
Effective Income Tax Rate Reconciliation, Other Adjustments, Amount View
Effective Income Tax Rate Reconciliation, State and Local Income Taxes, 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 and Other Receivables View
Increase (Decrease) in Accounts Payable View
Increase (Decrease) in Income Taxes Payable View
Increase (Decrease) in Accrued Taxes Payable View
Increase (Decrease) in Deferred Gas Cost View
Increase (Decrease) in Income Taxes Receivable View
Increase (Decrease) in Interest Payable, Net View
Increase (Decrease) in Inventories View
Increase (Decrease) in Other Operating Assets and Liabilities, Net View
Increase (Decrease) in Other Operating Liabilities View
Increase (Decrease) in Regulatory Liabilities View
Increase (Decrease) in Restricted Cash View
Incremental Common Shares Attributable to Dilutive Effect of Share-based Payment Arrangements View
Interest Expense View
Interest Paid, Including Capitalized Interest, Operating and Investing Activities View
Interest Payable, Current View
Inventory, Finished Goods, Gross View
Inventory, Gas in Storage Underground, Noncurrent View
Inventory, Raw Materials and Supplies, Net of Reserves View
Letters of Credit Outstanding, Amount View
Liabilities and Equity View
Liabilities, Current View
Disposal Group, Including Discontinued Operation, Liabilities, Current View
Disposal Group, Including Discontinued Operation, Liabilities, Noncurrent View
Life Insurance, Corporate or Bank Owned, Amount View
Long-term Line of Credit View
Line of Credit Facility, Amount Outstanding (Deprecated 2014-01-31) View
Line of Credit Facility, Current Borrowing Capacity View
Line of Credit Facility, Maximum 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 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
Long-term Debt, Weighted Average Interest Rate, at Point in Time View
Loss Contingency, Damages Sought, Value View
Medium-term Notes View
Multiemployer Plan, Period Contributions (Deprecated 2017-01-31) View
Multiemployer Plans, Withdrawal Obligation 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
Notional Amount of Foreign Currency Derivatives (Deprecated 2013-01-31) View
Number of Operating Segments View
Operating Costs and Expenses View
Operating Expenses View
Operating Income (Loss) 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 Leases, Rent Expense, Minimum Rentals View
Operating Loss Carryforwards View
Other Assets, Current View
Other Assets, Noncurrent View
Other Comprehensive Income (Loss), Amortization, Pension and Other Postretirement Benefit Plans, Net Prior Service Cost Recognized in Net Periodic Pension Cost, Net of Tax (Deprecated 2012-01-31) View
Other Comprehensive Income (Loss), Amortization, Pension and Other Postretirement Benefit Plans, Net Prior Service Cost Recognized in Net Periodic Pension Cost, Tax (Deprecated 2013-01-31) View
Other Comprehensive (Income) Loss, Defined Benefit Plan, after Tax and Reclassification Adjustment, Attributable to Parent View
Other Comprehensive Income (Loss), Defined Benefit Plan, Gain (Loss) Arising During Period, after Tax View
Other Comprehensive Income (Loss), Defined Benefit Plan, Gain (Loss) Arising During Period, Tax View
Other Comprehensive (Income) Loss, Defined Benefit Plan, after Reclassification Adjustment, Tax, Attributable to Parent View
Other Comprehensive (Income) Loss, Defined Benefit Plan, Prior Service Cost (Credit), Reclassification Adjustment from AOCI, before Tax View
Other Comprehensive (Income) Loss, Defined Benefit Plan, Prior Service Cost (Credit), Reclassification Adjustment from AOCI, Tax View
Other Comprehensive Income (Loss), Amortization, Pension and Other Postretirement Benefit Plans, Net Prior Service Cost Recognized in Net Periodic Pension Cost, Net of Tax (Deprecated 2013-01-31) View
Other Comprehensive Income (Loss), Amortization, Pension and Other Postretirement Benefit Plans, Net Prior Service Cost Recognized in Net Periodic Pension Cost, Tax Effect (Deprecated 2012-01-31) 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, Defined Benefit Plan, after Reclassification Adjustment, before Tax View
Other Comprehensive (Income) Loss, Defined Benefit Plan, after Reclassification Adjustment, after Tax View
Other Comprehensive Income (Loss), Defined Benefit Plan, Gain (Loss), Reclassification Adjustment from AOCI, before Tax View
Other Comprehensive (Income) Loss, Defined Benefit Plan, Reclassification Adjustment from AOCI, after Tax View
Other Comprehensive (Income) Loss, Defined Benefit Plan, Reclassification Adjustment from AOCI, Tax View
Other Comprehensive Income (Loss), Reclassification, Pension and Other Postretirement Benefit Plans, Net Gain (Loss) Recognized in Net Periodic Benefit Cost, before Tax (Deprecated 2013-01-31) View
Other Cost and Expense, Operating View
Other Increase (Decrease) in Environmental Liabilities View
Other Inventory, Gross View
Other Investments View
Other Liabilities View
Other Liabilities, Current View
Other Liabilities, Noncurrent View
Other Long-term Investments View
Other Noncash Income View
Other Noncash Income (Expense) View
Other Nonoperating Income (Expense) View
Payments for (Proceeds from) Other Investing Activities View
Payments for Repurchase of Common Stock View
Payments of Ordinary Dividends, Common Stock View
Payments to Acquire Property, Plant, and Equipment View
Payment for Pension and Other Postretirement Benefits View
Liability, Defined Benefit Plan, Noncurrent View
Payment for Pension Benefits View
Pension Cost (Reversal of Cost) View
Proceeds from Issuance of Common Stock View
Proceeds from Issuance of Debt View
Proceeds from Issuance of Long-term Debt View
Proceeds from (Payments for) Other Financing Activities View
Proceeds from (Repayments of) Short-term Debt View
Proceeds from Sale of Productive Assets View
Proceeds from Sale of Property, Plant, and Equipment View
Proceeds from Stock Options Exercised View
Property, Plant and Equipment, Gross View
Property, Plant and Equipment, Net View
Public Utilities, Allowance for Funds Used During Construction, Rate View
Public Utilities, Inventory View
Public Utilities, Property, Plant and Equipment, Disclosure of Composite Depreciation Rate for Plants in Service View
Receivables, Long-term Contracts or Programs View
Regulatory Assets, Current View
Regulatory Assets, Noncurrent View
Regulatory Liability, Current View
Regulatory Liability, Noncurrent View
Repayments of Bank Debt View
Repayments of Long-term Debt View
Restricted Cash and Cash Equivalents, Current View
Restricted Cash and Cash Equivalents, Noncurrent View
Retained Earnings (Accumulated Deficit) View
Revenue from Contract with Customer, Including Assessed Tax View
Revenues View
Secured Debt View
Share-based Compensation Arrangement by Share-based Payment Award, Discount from Market Price, Offering Date View
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeited in Period View
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period View
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value View
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number View
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value View
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Period Increase (Decrease) View
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period View
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period, Fair Value View
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period, Weighted Average Grant Date Fair Value View
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Exercise Price View
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Dividend Payments View
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Dividend Rate View
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Term (Deprecated 2012-01-31) View
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Volatility Rate View
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Risk Free Interest Rate View
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized View
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant View
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period, Intrinsic Value View
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period, Weighted Average Exercise Price (Deprecated 2012-01-31) View
Share-based Compensation Arrangement by Share-based Payment Award, Options, Forfeitures and Expirations in Period View
Share-based Compensation Arrangement by Share-based Payment Award, Options, Forfeitures and Expirations in Period, Weighted Average Exercise Price View
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Net of Forfeitures View
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross View
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value View
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Intrinsic Value View
Share-based Compensation Arrangement by Share-based Payment Award, Shares Issued in Period View
Share-based Compensation Arrangements by Share-based Payment Award, Options, Exercises in Period, Weighted Average Exercise Price View
Share-based Payment Arrangement, Option, Exercise Price Range, Shares Exercisable View
Share-based Payment Arrangement, Option, Exercise Price Range, Shares Outstanding View
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Intrinsic Value View
Share-based Payment Arrangement, Option, Exercise Price Range, Exercisable, Weighted Average Exercise Price View
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, Exercisable Options, Weighted Average Remaining Contractual Term (Deprecated 2012-01-31) View
Share-based Payment Arrangement, Option, Exercise Price Range, Outstanding, Weighted Average Exercise Price View
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, Outstanding Options, Weighted Average Remaining Contractual Term (Deprecated 2012-01-31) View
Share Price View
Short-term Debt View
Short-term Debt, Weighted Average Interest Rate, at Point in Time View
Stockholders' Equity Attributable to Parent View
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest View
Stock Issued During Period, Shares, Employee Stock Purchase Plans View
Stock Issued During Period, Shares, New Issues View
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period View
Stock Issued During Period, Value, Employee Stock Ownership 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, Forfeited View
Taxes, Miscellaneous View
Taxes Payable, Current View
Treasury Stock, Shares View
Unamortized Debt Issuance Expense View
Unbilled Receivables, Current View
Unrealized Gain (Loss) on Derivatives View
Unrealized Gain on Foreign Currency Derivatives, before Tax View
Unrealized Loss on Foreign Currency Derivatives, before Tax View
Unrecorded Unconditional Purchase Obligation, Purchases View
Utilities Operating Expense, Gas and Petroleum Purchased View
Utilities Operating Expense, Maintenance, Operations, and Other Costs and Expenses View
SEC Schedule, 12-09, Valuation Allowances and Reserves, Additions, Charge to Cost and Expense View
SEC Schedule, 12-09, Valuation Allowances and Reserves, Additions, Charge to Other Account View
SEC Schedule, 12-09, Valuation Allowances and Reserves, Deduction View
Variable Interest Entity, Reporting Entity Involvement, Maximum Loss Exposure, Amount View
Weighted Average Number Diluted Shares Outstanding Adjustment View
Weighted Average Number of Shares Outstanding, Diluted View
Weighted Average Number of Shares Outstanding, Basic View