Derivatives and Hedging Activities - Schedule of Credit Derivatives Sold and Held (Details) - USD ($) $ in Millions |
3 Months Ended | 12 Months Ended |
|---|---|---|
Mar. 31, 2026 |
Dec. 31, 2025 |
|
| Credit Derivatives [Line Items] | ||
| Notional Amount | $ 4 | $ 9 |
| Payment / Performance Risk | 0.00% | 0.00% |
| Other | ||
| Credit Derivatives [Line Items] | ||
| Notional Amount | $ 4 | $ 9 |
| Average Term (Years) | 4 years 7 months 28 days | 3 years 7 months 13 days |
| Payment / Performance Risk | 2.49% | 1.76% |
| X | ||||||||||
- Definition Credit derivative payment performance risk percentage. No definition available.
|
| X | ||||||||||
- Definition Average period covered by credit risk derivative contracts, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
|
| 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 Nominal or face amount used to calculate payments on the derivative asset. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
|
| X | ||||||||||
- Details
|