Derivative Assets And Liabilities - Gross FV and Netting Offset (Details) - USD ($) $ in Millions |
Jun. 30, 2026 |
Dec. 31, 2025 |
|---|---|---|
| Derivatives, Fair Value [Line Items] | ||
| Derivatives without offsetting agreements, assets | $ 1 | $ 0 |
| Derivatives without offsetting agreements, liabilities | 0 | 0 |
| Total gross derivatives, assets | 827 | 618 |
| Total gross derivatives, liabilities | (760) | (454) |
| Total net derivatives, assets | 118 | 184 |
| Total net derivatives, liabilities | (51) | (20) |
| OTC contracts | ||
| Derivatives, Fair Value [Line Items] | ||
| Total gross derivatives, assets | 74 | 102 |
| Total gross derivatives, liabilities | (70) | (60) |
| Counterparty netting | (61) | (50) |
| Counterparty netting | 61 | 50 |
| Broker cleared derivative contracts | ||
| Derivatives, Fair Value [Line Items] | ||
| Total gross derivatives, assets | 752 | 516 |
| Total gross derivatives, liabilities | (690) | (394) |
| Counterparty netting | (648) | (384) |
| Counterparty netting | $ 648 | $ 384 |
| X | ||||||||||
- Definition Amount of obligation to return cash collateral under master netting arrangements offset against derivative assets. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
|
| X | ||||||||||
- Definition Fair value of financial asset or other 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, not subject to a master netting arrangement. Reference 1: http://www.xbrl.org/2003/role/exampleRef
|
| X | ||||||||||
- Definition Fair value, before effects of master netting arrangements, of a financial asset or other 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 assets elected not to be offset. Excludes assets not subject to a master netting arrangement. Reference 1: http://www.xbrl.org/2003/role/exampleRef
|
| X | ||||||||||
- Definition Fair value, after offset of derivative liability, of financial asset or other 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, before offset against an obligation to return collateral under a master netting arrangement. Includes assets elected not to be offset. Excludes assets not subject to a master netting arrangement. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
|
| X | ||||||||||
- 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/exampleRef
|
| X | ||||||||||
- Definition Fair value, after offset of derivative asset, of 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, elected not to be and before offset against a right to receive collateral under a master netting arrangement. Includes liabilities elected not to be offset. Excludes liabilities not subject to a master netting arrangement. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
|
| X | ||||||||||
- Definition Amount of right to receive cash collateral under master netting arrangements offset against derivative liabilities. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
|
| X | ||||||||||
- Definition Fair value of 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, not subject to a master netting arrangement. Reference 1: http://www.xbrl.org/2003/role/exampleRef
|
| 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/exampleRef
|
| X | ||||||||||
- Details
|
| X | ||||||||||
- Details
|