Fair Value Disclosures - Investments in Certain Entities Calculate Net Asset Value per Share (Parenthetical) (Detail) - USD ($) $ in Millions |
Jun. 30, 2025 |
Dec. 31, 2024 |
|---|---|---|
| Fair Value, Investments, Entities that Calculate Net Asset Value Per Share Line Items | ||
| Total Unfunded Commitments | $ 1,246 | $ 1,215 |
| Investment, Type [Extensible Enumeration] | Real Assets Funds [Member] | Real Assets Funds [Member] |
| Real Assets Funds [Member] | ||
| Fair Value, Investments, Entities that Calculate Net Asset Value Per Share Line Items | ||
| Total Unfunded Commitments | $ 724 | $ 750 |
| Total remaining Unfunded Commitments | $ 714 | $ 736 |
| X | ||||||||||
- Definition Fair value investments entities that calculate net asset value per share remaining unfunded commitments. No definition available.
|
| 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 | ||||||||||
- 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
|
| X | ||||||||||
- Definition Indicates type of investment. Includes, but is not limited to, common stock, preferred stock, convertible security, fixed income security, government security, option purchased, warrant, loan participation and assignment, commercial paper, bankers' acceptance, certificates of deposit, short-term security, repurchase agreement, and other investment company. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Details
|