Fair Values - Detail of Loans and Lending Commitments at Fair Value (Details) - Loans and lending commitments - Recurring - USD ($) $ in Millions	Jun. 30, 2022	Dec. 31, 2021
Fair Value Measurements
Trading assets	$ 8,091	$ 12,627
Corporate
Fair Value Measurements
Trading assets	0	8
Secured lending facilities
Fair Value Measurements
Trading assets	7	0
Commercial real estate
Fair Value Measurements
Trading assets	532	863
Residential real estate
Fair Value Measurements
Trading assets	1,813	3,911
Securities-based lending and Other loans
Fair Value Measurements
Trading assets	$ 5,739	$ 7,845