Investments - Investment Funds (Details) - USD ($) $ in Millions	Sep. 30, 2024	Dec. 31, 2023
Schedule of Equity Method Investments [Line Items]
Investment funds	$ 18,846	$ 17,668
Carrying Amount, Assets, Percent of Total	100.00%	100.00%
Consolidated Entity, excluding Affiliated Entity
Schedule of Equity Method Investments [Line Items]
Investment funds	$ 107	$ 109
Variable Interest Entities
Schedule of Equity Method Investments [Line Items]
Investment funds	$ 17,135	$ 15,927
Carrying Amount, Assets, Percent of Total	90.90%	90.20%
Related Party
Schedule of Equity Method Investments [Line Items]
Investment funds	$ 1,604	$ 1,632
Carrying Amount, Assets, Percent of Total	8.50%	9.20%
Equity Funds | Consolidated Entity, excluding Affiliated Entity
Schedule of Equity Method Investments [Line Items]
Investment funds	$ 107	$ 109
Carrying Amount, Assets, Percent of Total	0.60%	0.60%
Equity Funds | Variable Interest Entities
Schedule of Equity Method Investments [Line Items]
Investment funds	$ 7,837	$ 7,032
Carrying Amount, Assets, Percent of Total	41.60%	39.80%
Equity Funds | Related Party
Schedule of Equity Method Investments [Line Items]
Investment funds	$ 264	$ 267
Carrying Amount, Assets, Percent of Total	1.40%	1.50%
Strategic Origination Platforms | Variable Interest Entities
Schedule of Equity Method Investments [Line Items]
Investment funds	$ 5,519	$ 4,987
Carrying Amount, Assets, Percent of Total	29.30%	28.20%
Strategic Origination Platforms | Related Party
Schedule of Equity Method Investments [Line Items]
Investment funds	$ 28	$ 32
Carrying Amount, Assets, Percent of Total	0.20%	0.20%
Insurance Platforms | Variable Interest Entities
Schedule of Equity Method Investments [Line Items]
Investment funds	$ 0	$ 483
Carrying Amount, Assets, Percent of Total	0.00%	2.70%
Insurance Platforms | Related Party
Schedule of Equity Method Investments [Line Items]
Investment funds	$ 1,287	$ 1,300
Carrying Amount, Assets, Percent of Total	6.80%	7.30%
Hybrid Funds | Variable Interest Entities
Schedule of Equity Method Investments [Line Items]
Investment funds	$ 3,077	$ 2,852
Carrying Amount, Assets, Percent of Total	16.30%	16.20%
Hybrid Funds | Related Party
Schedule of Equity Method Investments [Line Items]
Investment funds	$ 16	$ 20
Carrying Amount, Assets, Percent of Total	0.10%	0.10%
Yield Fund | Variable Interest Entities
Schedule of Equity Method Investments [Line Items]
Investment funds	$ 702	$ 573
Carrying Amount, Assets, Percent of Total	3.70%	3.30%
Yield Fund | Related Party
Schedule of Equity Method Investments [Line Items]
Investment funds	$ 9	$ 13
Carrying Amount, Assets, Percent of Total	0.00%	0.10%