Investments - Schedule of Realized and Net Change in Unrealized Gains (Losses) Reported in Net Gains (Losses) From Investment Activities (Details) - USD ($) $ in Millions |
3 Months Ended | 9 Months Ended | ||
|---|---|---|---|---|
Sep. 30, 2025 |
Sep. 30, 2024 |
Sep. 30, 2025 |
Sep. 30, 2024 |
|
| Gain (Loss) on Securities [Line Items] | ||||
| Realized gains (losses) on sales of investments, net | $ 2,254 | $ 1,539 | $ 1,421 | $ 3,082 |
| Asset Management | ||||
| Gain (Loss) on Securities [Line Items] | ||||
| Net change in unrealized gains (losses) due to changes in fair value | 54 | 13 | (300) | 9 |
| Consolidated Entity, Excluding VIE | Asset Management | ||||
| Gain (Loss) on Securities [Line Items] | ||||
| Realized gains (losses) on sales of investments, net | (4) | 1 | (10) | 1 |
| Net change in unrealized gains (losses) due to changes in fair value | 82 | 14 | (198) | 32 |
| Net gains (losses) from investment activities | $ 78 | $ 15 | $ (208) | $ 33 |