Investments - Investment Funds (Details) - USD ($) $ in Millions	Jun. 30, 2023	Dec. 31, 2022
Schedule of Equity Method Investments [Line Items]
Investment funds	$ 15,868	$ 14,128
Consolidated Entity, excluding Affiliated Entity
Schedule of Equity Method Investments [Line Items]
Investment funds	$ 123	$ 79
Carrying Amount, Assets, Percent of Total	100.00%	100.00%
Variable Interest Entities
Schedule of Equity Method Investments [Line Items]
Investment funds	$ 14,109	$ 12,480
Carrying Amount, Assets, Percent of Total	100.00%	100.00%
Related Party
Schedule of Equity Method Investments [Line Items]
Investment funds	$ 1,636	$ 1,569
Carrying Amount, Assets, Percent of Total	100.00%	100.00%
Other fund \| Consolidated Entity, excluding Affiliated Entity
Schedule of Equity Method Investments [Line Items]
Investment funds	$ 10	$ 1
Carrying Amount, Assets, Percent of Total	8.10%	1.30%
Other fund \| Variable Interest Entities
Schedule of Equity Method Investments [Line Items]
Investment funds	$ 659	$ 326
Carrying Amount, Assets, Percent of Total	4.70%	2.60%
Other fund \| Related Party
Schedule of Equity Method Investments [Line Items]
Investment funds	$ 20	$ 25
Carrying Amount, Assets, Percent of Total	1.20%	1.60%
Hybrid Funds \| Consolidated Entity, excluding Affiliated Entity
Schedule of Equity Method Investments [Line Items]
Investment funds	$ 24	$ 32
Carrying Amount, Assets, Percent of Total	19.50%	40.50%
Hybrid Funds \| Variable Interest Entities
Schedule of Equity Method Investments [Line Items]
Investment funds	$ 3,582	$ 3,112
Carrying Amount, Assets, Percent of Total	25.40%	24.90%
Yield Fund \| Variable Interest Entities
Schedule of Equity Method Investments [Line Items]
Investment funds	$ 1,374	$ 1,044
Carrying Amount, Assets, Percent of Total	9.70%	8.40%
Yield Fund \| Related Party
Schedule of Equity Method Investments [Line Items]
Investment funds	$ 6	$ 5
Carrying Amount, Assets, Percent of Total	0.40%	0.30%
Strategic Origination Platforms \| Variable Interest Entities
Schedule of Equity Method Investments [Line Items]
Investment funds	$ 5,094	$ 4,829
Carrying Amount, Assets, Percent of Total	36.10%	38.70%
Strategic Origination Platforms \| Related Party
Schedule of Equity Method Investments [Line Items]
Investment funds	$ 43	$ 34
Carrying Amount, Assets, Percent of Total	2.60%	2.20%
Strategic Insurance Platforms \| Variable Interest Entities
Schedule of Equity Method Investments [Line Items]
Investment funds	$ 513	$ 529
Carrying Amount, Assets, Percent of Total	3.60%	4.20%
Strategic Insurance Platforms \| Related Party
Schedule of Equity Method Investments [Line Items]
Investment funds	$ 1,315	$ 1,259
Carrying Amount, Assets, Percent of Total	80.40%	80.20%
Equity Funds \| Consolidated Entity, excluding Affiliated Entity
Schedule of Equity Method Investments [Line Items]
Investment funds	$ 89	$ 46
Carrying Amount, Assets, Percent of Total	72.40%	58.20%
Equity Funds \| Variable Interest Entities
Schedule of Equity Method Investments [Line Items]
Investment funds	$ 2,887	$ 2,640
Carrying Amount, Assets, Percent of Total	20.50%	21.20%
Equity Funds \| Related Party
Schedule of Equity Method Investments [Line Items]
Investment funds	$ 252	$ 246
Carrying Amount, Assets, Percent of Total	15.40%	15.70%