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Investment Information - Investments accounted for using the equity method (Details) - USD ($) $ in Millions | Sep. 30, 2024 | Dec. 31, 2023
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Schedule of Equity Method Investments [Line Items] |  |
Investments accounted for using the equity method | $ 5,244 | $ 4,566
Private equity |  |
Schedule of Equity Method Investments [Line Items] |  |
Investments accounted for using the equity method | 1,737 | 1,175
Credit related funds |  |
Schedule of Equity Method Investments [Line Items] |  |
Investments accounted for using the equity method | 1,366 | 1,258
Real estate |  |
Schedule of Equity Method Investments [Line Items] |  |
Investments accounted for using the equity method | 721 | 666
Lending |  |
Schedule of Equity Method Investments [Line Items] |  |
Investments accounted for using the equity method | 474 | 597
Fixed income |  |
Schedule of Equity Method Investments [Line Items] |  |
Investments accounted for using the equity method | 377 | 277
Infrastructure |  |
Schedule of Equity Method Investments [Line Items] |  |
Investments accounted for using the equity method | 323 | 320
Equity securities |  |
Schedule of Equity Method Investments [Line Items] |  |
Investments accounted for using the equity method | 177 | 178
Energy |  |
Schedule of Equity Method Investments [Line Items] |  |
Investments accounted for using the equity method | $ 69 | $ 95

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