Accrued Expenses and Other Liabilities (Schedule of Accrued Expenses and Other Liabilities) (Details) - USD ($) $ in Millions	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Accounts Payable and Accrued Liabilities [Abstract]
Accounts payable	$ 535	$ 516
Unfunded commitments for investment in qualified affordable housing projects	372	319
Employee compensation and benefits	296	255
Reserves for insurance losses and loss adjustment expenses	122	134	$ 140	$ 149
Net deferred tax liabilities	67	17
Cash collateral received from counterparties	48	41
Deferred revenue	36	27
Fair value of derivative contracts in payable position	5	37
Other liabilities	491	330
Total accrued expenses and other liabilities	$ 1,972	$ 1,676