Income Taxes (Schedule of Deferred Tax Assets and Liabilities) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021
Deferred Tax Assets, Gross [Abstract]
Adjustments to available-for-sale securities, equity securities, and hedging transactions	$ 1,095	$ 124
Tax credit carryforwards	960	1,014
Adjustments to loan value	822	920
U.S. federal tax loss carryforwards	428	256
State and local taxes	310	233
Other	470	480
Gross deferred tax assets	4,085	3,027
Valuation allowance	(644)	(839)
Deferred tax assets, net of valuation allowance	3,441	2,188
Deferred tax liabilities
Lease transactions	1,831	1,385
Deferred acquisition costs	394	403
Other	145	156
Gross deferred tax liabilities	2,370	1,944
Net deferred tax assets	1,071	244
Deferred tax asset	1,000	104
Release of valuation allowance	(195)
Reduction of foreign tax credits carryforwards	249
Net deferred tax assets	1,087	254
Net deferred tax liabilities	$ 16	$ 10