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Investment Information - Equity method investments and investments in affiliates (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021
Schedule of Equity Method Investments [Line Items] |  |  |
Investments accounted for using the equity method | $ 4,566 | $ 3,774 |
Equity in net income (loss) of investment funds accounted for using the equity method | 278 | 115 | $ 366
Balance sheet: |  |  |
Total assets | 58,906 | 47,990 | 45,101
Total liabilities | 40,551 | 35,069 | 31,546
Income statement: |  |  |
Total revenues | 13,634 | 9,613 | 9,248
Net income | 4,442 | 1,482 | 2,239
Credit related funds |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |
Investments accounted for using the equity method | 1,258 | 1,136 |
Private equity |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |
Investments accounted for using the equity method | 1,175 | 917 |
Real estate |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |
Investments accounted for using the equity method | 666 | 535 |
Lending |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |
Investments accounted for using the equity method | 597 | 531 |
Infrastructure |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |
Investments accounted for using the equity method | 320 | 245 |
Fixed income |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |
Investments accounted for using the equity method | 277 | 130 |
Equity Funds |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |
Investments accounted for using the equity method | 178 | 169 |
Energy |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |
Investments accounted for using the equity method | 95 | 111 |
Equity Method Investment, Nonconsolidated Investee or Group of Investees [Member] |  |  |
Balance sheet: |  |  |
Invested assets | 91,534 | 74,961 |
Total assets | 108,952 | 88,063 |
Total liabilities | 33,901 | 27,553 |
Net assets | 75,051 | 60,510 |
Income statement: |  |  |
Total revenues | 7,766 | 12,305 | 11,786
Total expenses | 7,174 | 5,374 | 3,239
Net income | $ 592 | $ 6,931 | $ 8,547

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