Accrued Expenses and Other Liabilities (Schedule of Accrued Expenses and Other Liabilities) (Details) - USD ($) $ in Millions	Jun. 30, 2022	Dec. 31, 2021	Jun. 30, 2021	Dec. 31, 2020
Accounts Payable and Accrued Liabilities [Abstract]
Unfunded commitments for investment in qualified affordable housing projects	$ 836	$ 724
Accounts payable	534	584
Employee compensation and benefits	341	512
Deferred revenue	174	176
Operating lease liabilities	136	175
Reserves for insurance losses and loss adjustment expenses	131	122	$ 126	$ 129
Other liabilities	647	460
Total accrued expenses and other liabilities	$ 2,799	$ 2,753
Operating lease, liability, statement of financial position [Extensible Enumeration]	Total accrued expenses and other liabilities	Total accrued expenses and other liabilities