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 | |
|---|---|---|
Mar. 31, 2026 |
Mar. 31, 2025 |
|
| Gain (Loss) on Securities [Line Items] | ||
| Realized gains (losses) on sales of investments, net | $ (2,078) | $ (828) |
| Asset Management | ||
| Gain (Loss) on Securities [Line Items] | ||
| Net change in unrealized gains (losses) due to changes in fair value | (57) | (61) |
| Consolidated Entity, Excluding VIE | Asset Management | ||
| Gain (Loss) on Securities [Line Items] | ||
| Realized gains (losses) on sales of investments, net | (70) | (9) |
| Net change in unrealized gains (losses) due to changes in fair value | (42) | (9) |
| Net gains (losses) from investment activities | $ (112) | $ (18) |