Investments - Schedule of Net Gains (Losses) from Investment Activities (Details) - USD ($) $ in Millions	12 Months Ended
Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Gain (Loss) on Securities [Line Items]
Realized gains (losses) on sales of investments, net	$ 1,428	$ (12,717)
Asset Management
Gain (Loss) on Securities [Line Items]
Realized gains (losses) on sales of investments, net			$ 0
Net change in unrealized gains (losses) due to changes in fair value			2,611
Net gains (losses) from investment activities			2,611
Asset Management \| Consolidated Entity, Excluding VIE
Gain (Loss) on Securities [Line Items]
Realized gains (losses) on sales of investments, net	(9)	(14)
Net change in unrealized gains (losses) due to changes in fair value	16	179
Net gains (losses) from investment activities	$ 7	$ 165	$ 2,611

Amount of realized and unrealized gain (loss) on investment.

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