Derivative Financial Instruments - Narrative (Details) - USD ($) $ in Millions |
3 Months Ended | 9 Months Ended | ||
|---|---|---|---|---|
Dec. 31, 2025 |
Sep. 30, 2025 |
Sep. 30, 2025 |
Dec. 31, 2024 |
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| Derivative [Line Items] | ||||
| Reclassified terminated cash flow hedges net losses | $ 37 | |||
| Cash flow hedge gains to be reclassified within twelve months | $ 71 | |||
| Interest Rate Cash Flow Hedge Gain (Loss) to be Reclassified During Next 12 Months, Net | 80 | $ 80 | ||
| Maximum length of time hedged in cash flow hedge | 5 years | |||
| Derivative liabilities | 10,890 | $ 10,890 | $ 29,124 | |
| Forecast | ||||
| Derivative [Line Items] | ||||
| Reclassified terminated cash flow hedges net losses | $ 31 | |||
| Interest rate swap | Fair Value Hedges | ||||
| Derivative [Line Items] | ||||
| Notional amount | 34,150 | 34,150 | $ 31,120 | |
| Credit swap agreements | ||||
| Derivative [Line Items] | ||||
| Derivative liabilities | 2,610 | 2,610 | ||
| Cash collateral provided for derivative instruments | 1,080 | 1,080 | ||
| Maximum additional amount of payments related to termination events | $ 1,530 | $ 1,530 | ||
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- Definition Cash Collateral Provided For Derivative Instruments No definition available.
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- Definition The aggregate fair value of additional assets that would be required to be posted as collateral for derivative instruments with credit-risk-related contingent features if the credit-risk-related contingent features were triggered at the end of the reporting period. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition The estimated net amount of existing gains or losses on cash flow hedges at the reporting date expected to be reclassified to earnings within the next 12 months. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Fair value, before effects of master netting arrangements, of a financial liability or contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes liabilities elected not to be offset. Excludes liabilities not subject to a master netting arrangement. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Nominal or face amount used to calculate payment on derivative. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition The estimated net amount of unrealized gains or losses on interest rate cash flow hedges as of the balance sheet date expected to be reclassified to earnings within the next twelve months. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Maximum length of time over which the entity is hedging its exposure to the variability in future cash flows for forecasted transactions, excluding those forecasted transactions related to the payment of variable interest on existing financial instruments, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount, before tax, of reclassification from accumulated other comprehensive income (AOCI) for gain (loss) from discontinuance of cash flow hedge included in assessment of hedge effectiveness. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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