Quarterly report pursuant to Section 13 or 15(d)

Securities - Gains and Losses on Sales of AFS Debt Securities (Details)

v3.21.2
Securities - Gains and Losses on Sales of AFS Debt Securities (Details) - USD ($)
$ in Millions
3 Months Ended 6 Months Ended
Jun. 30, 2020
Jun. 30, 2021
Jun. 30, 2020
Available-for-sale Securities, Gross Realized Gain (Loss) [Abstract]      
Debt securities, available for sale, realized gain $ 63 $ 15 $ 379
Debt securities, available for sale, realized loss (1) $ (15) (2)
Debt securities, available for sale, net gains 62   377
Debt securities, available for sale, realized gain (loss), income tax expense (benefit) $ 15   $ 94