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EMPLOYEE BENEFIT PLANS - Investments Measured at NAV (Details) - NAV - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2024 | Dec. 31, 2023
Investments measured at NAV |  |
Fair value of investment measured at NAV | $ 12,438 | $ 11,417
Hedge funds and hedge fund-related strategies |  |
Investments measured at NAV |  |
Fair value of investment measured at NAV | $ 6,519 | $ 6,175
Hedge funds and hedge fund-related strategies | Minimum |  |
Investments measured at NAV |  |
Redemption notice period | 15 days | 7 days
Hedge funds and hedge fund-related strategies | Maximum |  |
Investments measured at NAV |  |
Redemption notice period | 180 days | 180 days
Commingled funds, private equity and private equity-related instruments |  |
Investments measured at NAV |  |
Fair value of investment measured at NAV | $ 2,351 | $ 2,279
Unfunded commitments | $ 1,300 |
Commingled funds, private equity and private equity-related instruments | Minimum |  |
Investments measured at NAV |  |
Redemption notice period | 2 days | 2 days
Commingled funds, private equity and private equity-related instruments | Maximum |  |
Investments measured at NAV |  |
Redemption notice period | 45 days | 45 days
Fixed income and fixed income-related instruments |  |
Investments measured at NAV |  |
Fair value of investment measured at NAV | $ 1,427 | $ 1,147
Unfunded commitments | $ 287 |
Fixed income and fixed income-related instruments | Minimum |  |
Investments measured at NAV |  |
Redemption notice period | 1 day | 1 day
Fixed income and fixed income-related instruments | Maximum |  |
Investments measured at NAV |  |
Redemption notice period | 180 days | 180 days
Real assets |  |
Investments measured at NAV |  |
Fair value of investment measured at NAV | $ 979 | $ 893
Unfunded commitments | 618 |
Balanced allocation |  |
Investments measured at NAV |  |
Fair value of investment measured at NAV | $ 349 | $ 100
Redemption notice period | 0 days | 0 days
Other |  |
Investments measured at NAV |  |
Fair value of investment measured at NAV | $ 813 | $ 823
Other | Minimum |  |
Investments measured at NAV |  |
Redemption notice period | 2 days | 2 days
Other | Maximum |  |
Investments measured at NAV |  |
Redemption notice period | 10 days | 10 days

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