Quarterly report pursuant to Section 13 or 15(d)

INVESTMENT SECURITIES AND OTHER SECURITIES - Continuous Unrealized Loss Position (Details)

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INVESTMENT SECURITIES AND OTHER SECURITIES - Continuous Unrealized Loss Position (Details) - USD ($)
$ in Millions
Jun. 30, 2023
Dec. 31, 2022
Available-for-sale securities:    
Less than 12 months, fair value $ 3,231 $ 8,944
Less than 12 months, gross unrealized losses (207) (1,062)
12 months or longer, fair value 19,567 13,763
12 months or longer, gross unrealized losses (3,480) (2,756)
Total, fair value 22,798 22,707
Total, gross unrealized losses (3,687) (3,818)
Held-to-maturity securities:    
Less than 12 months, fair value 1,773 7,178
Less than 12 months, gross unrealized losses (75) (863)
12 months or longer, fair value 12,517 7,241
12 months or longer, gross unrealized losses (2,195) (1,439)
Total held-to-maturity securities 14,290 14,419
Total, gross unrealized losses (2,270) (2,302)
Residential CMO    
Available-for-sale securities:    
Less than 12 months, fair value 1,249 2,096
Less than 12 months, gross unrealized losses (56) (224)
12 months or longer, fair value 2,059 818
12 months or longer, gross unrealized losses (378) (198)
Total, fair value 3,308 2,914
Total, gross unrealized losses (434) (422)
Held-to-maturity securities:    
Less than 12 months, fair value 612 1,702
Less than 12 months, gross unrealized losses (12) (238)
12 months or longer, fair value 3,678 2,283
12 months or longer, gross unrealized losses (710) (476)
Total held-to-maturity securities 4,290 3,985
Total, gross unrealized losses (722) (714)
Residential MBS    
Available-for-sale securities:    
Less than 12 months, fair value 778 2,455
Less than 12 months, gross unrealized losses (38) (286)
12 months or longer, fair value 10,883 9,490
12 months or longer, gross unrealized losses (1,941) (1,804)
Total, fair value 11,661 11,945
Total, gross unrealized losses (1,979) (2,090)
Held-to-maturity securities:    
Less than 12 months, fair value 1,118 4,151
Less than 12 months, gross unrealized losses (60) (462)
12 months or longer, fair value 7,407 4,711
12 months or longer, gross unrealized losses (1,234) (913)
Total held-to-maturity securities 8,525 8,862
Total, gross unrealized losses (1,294) (1,375)
Commercial MBS    
Available-for-sale securities:    
Less than 12 months, fair value 387 1,090
Less than 12 months, gross unrealized losses (64) (249)
12 months or longer, fair value 1,512 863
12 months or longer, gross unrealized losses (589) (363)
Total, fair value 1,899 1,953
Total, gross unrealized losses (653) (612)
Held-to-maturity securities:    
Less than 12 months, fair value 43 1,201
Less than 12 months, gross unrealized losses (3) (154)
12 months or longer, fair value 1,324 247
12 months or longer, gross unrealized losses (242) (50)
Total held-to-maturity securities 1,367 1,448
Total, gross unrealized losses (245) (204)
Other agencies    
Available-for-sale securities:    
Less than 12 months, fair value 22 40
Less than 12 months, gross unrealized losses 0 (1)
12 months or longer, fair value 70 56
12 months or longer, gross unrealized losses (8) (8)
Total, fair value 92 96
Total, gross unrealized losses (8) (9)
Held-to-maturity securities:    
Less than 12 months, fair value 0 124
Less than 12 months, gross unrealized losses 0 (9)
12 months or longer, fair value 108 0
12 months or longer, gross unrealized losses (9) 0
Total held-to-maturity securities 108 124
Total, gross unrealized losses (9) (9)
Total U.S. Treasury, federal agency, and other agency securities    
Available-for-sale securities:    
Less than 12 months, fair value 2,436 5,681
Less than 12 months, gross unrealized losses (158) (760)
12 months or longer, fair value 14,524 11,227
12 months or longer, gross unrealized losses (2,916) (2,373)
Total, fair value 16,960 16,908
Total, gross unrealized losses (3,074) (3,133)
Held-to-maturity securities:    
Less than 12 months, fair value 1,773 7,178
Less than 12 months, gross unrealized losses (75) (863)
12 months or longer, fair value 12,517 7,241
12 months or longer, gross unrealized losses (2,195) (1,439)
Total held-to-maturity securities 14,290 14,419
Total, gross unrealized losses (2,270) (2,302)
Municipal securities    
Available-for-sale securities:    
Less than 12 months, fair value 789 2,298
Less than 12 months, gross unrealized losses (49) (174)
12 months or longer, fair value 2,566 807
12 months or longer, gross unrealized losses (195) (64)
Total, fair value 3,355 3,105
Total, gross unrealized losses (244) (238)
Private-label CMO    
Available-for-sale securities:    
Less than 12 months, fair value 6 64
Less than 12 months, gross unrealized losses 0 (13)
12 months or longer, fair value 97 43
12 months or longer, gross unrealized losses (15) (5)
Total, fair value 103 107
Total, gross unrealized losses (15) (18)
Asset-backed securities    
Available-for-sale securities:    
Less than 12 months, fair value 0 174
Less than 12 months, gross unrealized losses 0 (10)
12 months or longer, fair value 369 199
12 months or longer, gross unrealized losses (41) (34)
Total, fair value 369 373
Total, gross unrealized losses (41) (44)
Corporate debt    
Available-for-sale securities:    
Less than 12 months, fair value 0 727
Less than 12 months, gross unrealized losses 0 (105)
12 months or longer, fair value 2,011 1,487
12 months or longer, gross unrealized losses (313) (280)
Total, fair value 2,011 2,214
Total, gross unrealized losses $ (313) $ (385)