No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. Increase (Decrease) In Other Current Operating Liabilities No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. Disposal Of Business Operations [TextBlock] No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. Proceeds From Disposal Of Discontinued Operation No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. Total other property and investments No authoritative reference available. Investments in equity method investee No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. This element may be used to capture the complete disclosure pertaining to an entity's energy related derivative contracts and fair value disclosures. No authoritative reference available. Preferred stock cash dividend declared by a subsidiary of the entity during the period. This element includes paid and unpaid dividends declared during the period. No authoritative reference available. Payments For Transaction Costs Attributed To Disposal Of Discontinued Operation No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. Convertible Preferred Stock Without Mandatory Redemption Requirements Shares Authorized No authoritative reference available. Total deferred charges and other assets No authoritative reference available. No authoritative reference available. No authoritative reference available. Cumulative Preferred Stock Of Subsidiary Without Mandatory Redemption Requirements Par Or Stated Value Per Share No authoritative reference available. No authoritative reference available. No authoritative reference available. Fuel and purchased power costs No authoritative reference available. Convertible Preferred Stock Without Mandatory Redemption Requirements Shares Issued No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. Costs incurred for transmission and distribution of electricity No authoritative reference available. Increase (Decrease) In Accrued Legal Reserve No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. Increase (Decrease) In Accrued Interest And Taxes No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. Regulatory And Rate Matters [Text Block] No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. Describes an entity's accounting policy for goodwill and intangible assets. This accounting policy also may address how an entity assesses and measures impairment of goodwill and intangible assets. No authoritative reference available. The net change during the period in the amount due from customers for the credit sale of goods and services; includes accounts receivable billed and unbilled. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. Accumulated amortization, nuclear fuel No authoritative reference available. No authoritative reference available. No authoritative reference available. Regulatory Disallowances No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. Increase (Decrease) In Other Current Operating Assets No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. Depreciation And Amortization Including Assets Used In Production No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. Cumulative Preferred Stock Of Subsidiary Without Mandatory Redemption Requirements Shares Outstanding No authoritative reference available. PVNGS firm sales contract revenue No authoritative reference available. No authoritative reference available. No authoritative reference available. Investment in PVNGS lessor notes No authoritative reference available. No authoritative reference available. No authoritative reference available. The cash outflow paid to third parties in connection with debt origination, which will be amortized over the remaining maturity period of the associated long-term debt, and other cash financing costs No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. Cumulative Preferred Stock Of Subsidiary Without Mandatory Redemption Requirements No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. Sum of operating profit and nonoperating income (expense) before income taxes, extraordinary items, cumulative effects of changes in accounting principles, and noncontrolling interest. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. Accumulated depreciation non-utility property No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. Other Deferred Costs Net Including Deferred Finance Costs No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. Public utilities property plant and equipment in services net No authoritative reference available. No authoritative reference available. No authoritative reference available. Accrued Interest And Taxes Payable No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. Cumulative Preferred Stock Of Subsidiary Without Mandatory Redemption Requirements Shares Authorized No authoritative reference available. No authoritative reference available. No authoritative reference available. Return of principal on PVNGS lessor notes No authoritative reference available. Estimated revenue that is recorded on the income statement for electricity used by customers but not yet billed. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. Convertible Preferred Stock Without Mandatory Redemption Requirements Par Value No authoritative reference available. No authoritative reference available. No authoritative reference available. Cumulative Preferred Stock Of Subsidiary Without Mandatory Redemption Requirements Shares Issued No authoritative reference available. No authoritative reference available. No authoritative reference available. Payments received on PVNGS firm-sales contracts No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. Deferred Income Tax Expense Benefit Including Discontinued Operations No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. Net other income and expenses included in net income that result in no cash inflows or outflows in the period which are not otherwise defined in the taxonomy. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. Convertible Preferred Stock Without Mandatory Redemption Requirements Shares Outstanding No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available.