CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME - USD ($) $ in Millions	3 Months Ended				6 Months Ended
	Jun. 30, 2023	Mar. 31, 2023	Jun. 30, 2022	Mar. 31, 2022	Jun. 30, 2023	Jun. 30, 2022
Statement of Comprehensive Income [Abstract]
Net Income	$ 1,431		$ 2,031		$ 2,391	$ 4,434
Other comprehensive income (loss), net of tax:
Net unrealized gains (losses) on securities available for sale	(888)		(2,288)		74	(5,541)
Net unrealized losses on hedging relationships	(424)		(483)		(23)	(1,692)
Foreign currency translation adjustments	34		(52)		47	(57)
Other comprehensive income (loss), net of tax	(1,278)		(2,823)		98	(7,290)
Comprehensive income (loss)	$ 153	$ 2,336	$ (792)	$ (2,064)	$ 2,489	$ (2,856)