Fair Values - Fund Interests Measured Based on Net Asset Value (Details) - USD ($) $ in Millions |
Jun. 30, 2026 |
Dec. 31, 2025 |
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| Measured Based on Net Asset Value | ||
| Carrying Value | $ 7,126 | $ 6,733 |
| Commitment | 1,111 | 918 |
| Private equity and other | ||
| Measured Based on Net Asset Value | ||
| Carrying Value | 3,507 | 3,110 |
| Commitment | 605 | 671 |
| Real estate | ||
| Measured Based on Net Asset Value | ||
| Carrying Value | 3,539 | 3,551 |
| Commitment | 505 | 246 |
| Hedge | ||
| Measured Based on Net Asset Value | ||
| Carrying Value | 80 | 72 |
| Commitment | $ 1 | $ 1 |
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- Definition Carrying value of investment in certain entities that calculate net asset value per share. Example includes, but is not limited to, investment in hedge fund, venture capital fund, private equity fund, and real estate partnership or fund. 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 The amount of unfunded commitments for which the entity is obligated, to those certain investments for which net asset value per share is calculated (including by unit, membership interest, or other equity (ownership interest) unit measure) (alternative investments). Reference 1: http://www.xbrl.org/2003/role/exampleRef
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