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CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Statement of Comprehensive Income [Abstract]      
Net Income $ 12,390 $ 2,714 $ 5,546
Other comprehensive income (loss), net of tax:      
Net unrealized gains (losses) on securities available for sale (1,889) 1,259 650
Net unrealized gains (losses) on hedging relationships (1,244) 1,008 772
Foreign currency translation adjustments 10 76 70
Net changes in securities held to maturity 0 0 26
Other 3 3 13
Other comprehensive income (loss), net of tax (3,120) 2,346 1,531
Comprehensive income $ 9,270 $ 5,060 $ 7,077