Variable Interest Entities - Assets and Liabilities Related to Non-consolidated VIEs and Maximum Exposure to Losses (Details) - USD ($) $ in Millions	Sep. 30, 2022	Dec. 31, 2021
Variable Interest Entity
Total Assets	$ 205,463	$ 211,116
Total Liabilities	188,727	188,906
Variable Interest Entity, Not Primary Beneficiary | CDC investments
Variable Interest Entity
Total Assets	1,759	1,705
Total Liabilities	614	580
Maximum Exposure	1,759	1,705
Variable Interest Entity, Not Primary Beneficiary | Private equity investments
Variable Interest Entity
Total Assets	177	133
Total Liabilities	0	0
Maximum Exposure	340	257
Variable Interest Entity, Not Primary Beneficiary | Loans provided to VIEs
Variable Interest Entity
Total Assets	4,244	3,386
Total Liabilities	0	0
Maximum Exposure	6,118	4,873
Variable Interest Entity, Not Primary Beneficiary | Lease pool entities
Variable Interest Entity
Total Assets	63	68
Total Liabilities	0	0
Maximum Exposure	63	$ 68
Variable Interest Entity, Not Primary Beneficiary | Solar loan securitizations
Variable Interest Entity
Total Assets	10
Total Liabilities	0
Maximum Exposure	$ 10