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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.","units":{"USD":[{"end":"2024-12-31","val":-846561000,"accn":"0001193125-26-256376","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-06-04","frame":"CY2024Q4I"},{"end":"2025-03-31","val":-857055000,"accn":"0001193125-26-256376","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-06-04","frame":"CY2025Q1I"},{"end":"2025-12-31","val":-1224295000,"accn":"0001193125-26-256376","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-06-04","frame":"CY2025Q4I"},{"end":"2026-03-31","val":-1385977000,"accn":"0001193125-26-256376","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-06-04","frame":"CY2026Q1I"}]}},"TemporaryEquityCarryingAmountAttributableToParent":{"label":"Temporary Equity, Carrying Amount, Attributable to Parent","description":"Carrying amount, attributable to parent, of an entity's issued and outstanding stock which is not included within permanent equity. Temporary equity is a security with redemption features that are outside the control of the issuer, is not classified as an asset or liability in conformity with GAAP, and is not mandatorily redeemable. Includes any type of security that is redeemable at a fixed or determinable price or on a fixed or determinable date or dates, is redeemable at the option of the holder, or has conditions for redemption which are not solely within the control of the issuer. Includes stock with a put option held by an ESOP and stock redeemable by a holder only in the event of a change in control of the issuer.","units":{"USD":[{"end":"2024-12-31","val":1300376000,"accn":"0001193125-26-256376","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-06-04","frame":"CY2024Q4I"},{"end":"2025-03-31","val":1351918000,"accn":"0001193125-26-256376","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-06-04","frame":"CY2025Q1I"},{"end":"2025-12-31","val":2066555000,"accn":"0001193125-26-256376","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-06-04","frame":"CY2025Q4I"},{"end":"2026-03-31","val":2431909000,"accn":"0001193125-26-256376","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-06-04","frame":"CY2026Q1I"}]}},"TemporaryEquityStockIssuedDuringPeriodValueNewIssues":{"label":"Temporary Equity, Stock Issued During Period, Value, New Issues","description":"Value of new stock classified as temporary equity issued during the period.","units":{"USD":[{"start":"2025-01-01","end":"2025-03-31","val":51252000,"accn":"0001193125-26-256376","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-06-04","frame":"CY2025Q1"}]}},"UnbilledReceivablesCurrent":{"label":"Unbilled Receivables, Current","description":"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.","units":{"USD":[{"end":"2025-12-31","val":41529000,"accn":"0001193125-26-256376","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-06-04","frame":"CY2025Q4I"},{"end":"2026-03-31","val":51159000,"accn":"0001193125-26-256376","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-06-04","frame":"CY2026Q1I"}]}}}}}