Investments - Schedule of Investment Funds, Including Related Parties and Consolidated VIEs (Details) - USD ($) $ in Millions	Dec. 31, 2025	Dec. 31, 2024
Net Investment Income [Line Items]
Total investment funds, including related parties and consolidated VIEs	$ 26,145	$ 19,620
Percentage of Total	100.00%	100.00%
Nonrelated Party \| VIE, Primary Beneficiary
Net Investment Income [Line Items]
Carrying Value	$ 23,888	$ 17,660
Percentage of Total	91.40%	89.90%
Related Party
Net Investment Income [Line Items]
Carrying Value	$ 2,149	$ 1,853
Percentage of Total	8.20%	9.50%
Origination platforms \| Nonrelated Party \| VIE, Primary Beneficiary
Net Investment Income [Line Items]
Carrying Value	$ 9,067	$ 6,347
Percentage of Total	34.70%	32.30%
Origination platforms \| Related Party
Net Investment Income [Line Items]
Carrying Value	$ 33	$ 29
Percentage of Total	0.10%	0.20%
Retirement services platforms \| Related Party
Net Investment Income [Line Items]
Carrying Value	$ 1,538	$ 1,317
Percentage of Total	5.90%	6.70%
Equity \| Nonrelated Party
Net Investment Income [Line Items]
Carrying Value	$ 108	$ 107
Percentage of Total	0.40%	0.60%
Equity \| Nonrelated Party \| VIE, Primary Beneficiary
Net Investment Income [Line Items]
Carrying Value	$ 9,553	$ 7,597
Percentage of Total	36.50%	38.70%
Equity \| Related Party
Net Investment Income [Line Items]
Carrying Value	$ 260	$ 244
Percentage of Total	1.00%	1.20%
Credit \| Nonrelated Party \| VIE, Primary Beneficiary
Net Investment Income [Line Items]
Carrying Value	$ 3,682	$ 3,062
Percentage of Total	14.10%	15.60%
Credit \| Related Party
Net Investment Income [Line Items]
Carrying Value	$ 313	$ 253
Percentage of Total	1.20%	1.30%
Other \| Nonrelated Party \| VIE, Primary Beneficiary
Net Investment Income [Line Items]
Carrying Value	$ 1,586	$ 654
Percentage of Total	6.10%	3.30%
Other \| Related Party
Net Investment Income [Line Items]
Carrying Value	$ 5	$ 10
Percentage of Total	0.00%	0.10%