Commitments and Contingencies - Schedule of VIE assets (Details) - USD ($) $ in Millions	Jun. 30, 2023	Dec. 31, 2022
Tax Credit and Certain Equity Investments
Trading assets at fair value	$ 4,097	$ 4,905
Other Liabilities	15,620	14,598
Variable Interest Entity, Primary Beneficiary [Member]
Tax Credit and Certain Equity Investments
VIE Assets	1,812	1,830
Trading assets at fair value	1,734	1,790
Other Liabilities	$ 43	$ 163