Investments - Schedule of Investment Funds, Including Related Parties and Consolidated VIEs (Details) - USD ($) $ in Millions	Jun. 30, 2026	Dec. 31, 2025
Net Investment Income [Line Items]
Total investment funds, including related parties and consolidated VIEs	$ 30,304	$ 26,145
Percentage of Total	100.00%	100.00%
Nonrelated Party \| VIE, Primary Beneficiary
Net Investment Income [Line Items]
Carrying Value	$ 26,798	$ 23,888
Percentage of Total	88.50%	91.40%
Due to related parties
Net Investment Income [Line Items]
Carrying Value	$ 3,230	$ 2,149
Percentage of Total	10.60%	8.20%
Equity \| Nonrelated Party
Net Investment Income [Line Items]
Carrying Value	$ 276	$ 108
Percentage of Total	0.90%	0.40%
Equity \| Nonrelated Party \| VIE, Primary Beneficiary
Net Investment Income [Line Items]
Carrying Value	$ 11,164	$ 9,553
Percentage of Total	36.90%	36.50%
Equity \| Due to related parties
Net Investment Income [Line Items]
Carrying Value	$ 225	$ 260
Percentage of Total	0.70%	1.00%
Origination platforms \| Nonrelated Party \| VIE, Primary Beneficiary
Net Investment Income [Line Items]
Carrying Value	$ 9,868	$ 9,067
Percentage of Total	32.60%	34.70%
Origination platforms \| Due to related parties
Net Investment Income [Line Items]
Carrying Value	$ 37	$ 33
Percentage of Total	0.10%	0.10%
Retirement services platforms \| Due to related parties
Net Investment Income [Line Items]
Carrying Value	$ 2,533	$ 1,538
Percentage of Total	8.40%	5.90%
Credit \| Nonrelated Party \| VIE, Primary Beneficiary
Net Investment Income [Line Items]
Carrying Value	$ 3,526	$ 3,682
Percentage of Total	11.60%	14.10%
Credit \| Due to related parties
Net Investment Income [Line Items]
Carrying Value	$ 346	$ 313
Percentage of Total	1.10%	1.20%
Other \| Nonrelated Party \| VIE, Primary Beneficiary
Net Investment Income [Line Items]
Carrying Value	$ 2,240	$ 1,586
Percentage of Total	7.40%	6.10%
Other \| Due to related parties
Net Investment Income [Line Items]
Carrying Value	$ 89	$ 5
Percentage of Total	0.30%	0.00%