Variable Interest Entities - Schedule of Variable Interest Entities Information (Details) - USD ($) $ in Millions	Jun. 30, 2023	Dec. 31, 2022
Variable Interest Entity [Line Items]
Total Assets	$ 195,037	$ 189,813
Total Liabilities	181,193	176,359
Variable Interest Entity, Not Primary Beneficiary
Variable Interest Entity [Line Items]
Total Assets	1,450	1,798
Total Liabilities	1	1
Variable Interest Entity, Not Primary Beneficiary | LIHTC investments
Variable Interest Entity [Line Items]
Total Assets	8,701	8,227
Total Liabilities	3,750	3,091
Maximum Exposure to Loss	2,621	2,370
Variable Interest Entity, Not Primary Beneficiary | Principal Investments, Indirect
Variable Interest Entity [Line Items]
Total Assets	2,819	6,636
Total Liabilities	76	90
Maximum Exposure to Loss	$ 19	$ 43