Commitments and Contingencies - Schedule of VIE assets (Details) - USD ($) $ in Millions	Mar. 31, 2023	Dec. 31, 2022
Tax Credit and Certain Equity Investments
Trading assets at fair value	$ 4,601	$ 4,905
Other Liabilities	13,390	14,598
Variable Interest Entity, Primary Beneficiary [Member]
Tax Credit and Certain Equity Investments
VIE Assets	1,880	1,830
Trading assets at fair value	1,801	1,790
Other Liabilities	$ 118	$ 163