Derivative Financial Instruments and Hedging Activities - Schedule of Balance Sheet (Details) - USD ($) $ in Millions |
Jun. 30, 2025 |
Dec. 31, 2024 |
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| Derivatives, Fair Value [Line Items] | ||
| Hedged Liability, Statement of Financial Position [Extensible Enumeration] | Unsecured debt (Note 6) | Unsecured debt (Note 6) |
| Derivatives designated as hedges | Fair value hedges | ||
| Derivatives, Fair Value [Line Items] | ||
| Carrying Amount of Hedged Items | $ 35,924 | $ 36,664 |
| Cumulative Amount of Fair Value Hedging Adjustments | 759 | 1,281 |
| Discontinued hedge cumulative amount of fair value hedging adjustments | $ 594 | $ 719 |
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- Definition Derivative Liability, Fair Value Hedging Adjustment Increase (Decrease) No definition available.
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- Definition Derivative Liability, Fair Value Hedging Adjustment Increase (Decrease), Discontinuation Of Hedge Accounting No definition available.
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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/2003/role/exampleRef
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- Definition Amount of liability hedged in fair value hedging relationship. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Indicates line item in statement of financial position that includes hedged liability. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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