Derivative Financial Instruments - Impact of Derivatives on Other Comprehensive Income (Equity) (Detail) - USD ($) $ in Millions |
3 Months Ended | 9 Months Ended | ||||
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Sep. 30, 2026 |
Sep. 30, 2025 |
Sep. 30, 2026 |
Sep. 30, 2025 |
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| Derivative Instruments Gain Loss [Line Items] | ||||||
| Total gains (losses) on cash flow hedges | $ 46 | $ 0 | $ 58 | $ (3) | ||
| Net changes in cash flow hedges, net of tax | [1] | 46 | (1) | 58 | (4) | |
| Location, Statement of Income, Balance [Axis]: us-gaap:InterestExpenseOperating | ||||||
| Derivative Instruments Gain Loss [Line Items] | ||||||
| Reclassification adjustments for derivative (gains) losses included in net income (interest expense) | $ 0 | $ (1) | $ 0 | $ (1) | ||
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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, after tax and reclassification, of gain (loss) from derivative instrument designated and qualifying as cash flow hedge included in assessment of hedge effectiveness. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount, after tax and before reclassification, of gain (loss) from derivative instrument designated and qualifying as cash flow hedge included in assessment of hedge effectiveness. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount, after tax, of reclassification of gain (loss) from accumulated other comprehensive income (AOCI) for derivative instrument designated and qualifying as cash flow hedge included in assessment of hedge effectiveness. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Details
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