Derivative Instruments and Hedging Activities - Effect of Cash Flow Hedge Accounting (Details) - USD ($) $ in Millions |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2025 |
Dec. 31, 2024 |
Dec. 31, 2023 |
|
| Derivative Instruments and Hedging Activities Disclosures [Line Items] | |||
| Net unrealized gain (loss) | $ (17) | $ 0 | $ 0 |
| Less: Realized gains (losses) reclassified from AOCI to interest revenue | (66) | $ 0 | $ 0 |
| Interest rate swaps | Cash Flow Hedging | Designated as Hedging Instrument | |||
| Derivative Instruments and Hedging Activities Disclosures [Line Items] | |||
| Net unrealized gain (loss) | (17) | ||
| Less: Realized gains (losses) reclassified from AOCI to interest revenue | (66) | ||
| Net change in AOCI related to cash flow hedges | $ 49 | ||
| X | ||||||||||
- 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/disclosureRef
|
| X | ||||||||||
- Definition Amount, before tax and after reclassification, of gain (loss) from derivative instrument designated and qualifying cash flow hedge included in assessment of hedge effectiveness. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Definition Amount, before tax and reclassification, of gain (loss) from derivative instrument designated and qualifying cash flow hedge included in assessment of hedge effectiveness. Reference 1: http://www.xbrl.org/2003/role/exampleRef
|
| X | ||||||||||
- Definition Amount, before 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/exampleRef
|
| X | ||||||||||
- Details
|
| X | ||||||||||
- Details
|
| X | ||||||||||
- Details
|