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, 2024
Dec. 31, 2023
Available-for-sale securities:    
Less than 12 months, fair value $ 4,105 $ 1,375
Less than 12 months, gross unrealized losses (35) (28)
12 months or longer, fair value 19,666 20,381
12 months or longer, gross unrealized losses (3,604) (3,317)
Total, fair value 23,771 21,756
Total, gross unrealized losses (3,639) (3,345)
Held-to-maturity securities:    
Less than 12 months, fair value 283 156
Less than 12 months, gross unrealized losses (4) (1)
12 months or longer, fair value 12,235 13,030
12 months or longer, gross unrealized losses (2,303) (2,038)
Total held-to-maturity securities 12,518 13,186
Total, gross unrealized losses (2,307) (2,039)
U.S. Treasury    
Available-for-sale securities:    
Less than 12 months, fair value 2,761  
Less than 12 months, gross unrealized losses (2)  
12 months or longer, fair value 0  
12 months or longer, gross unrealized losses 0  
Total, fair value 2,761  
Total, gross unrealized losses (2)  
Total U.S. Treasury, federal agency, and other agency securities    
Available-for-sale securities:    
Less than 12 months, fair value 3,257 750
Less than 12 months, gross unrealized losses (10) (9)
12 months or longer, fair value 14,872 15,462
12 months or longer, gross unrealized losses (3,166) (2,890)
Total, fair value 18,129 16,212
Total, gross unrealized losses (3,176) (2,899)
Held-to-maturity securities:    
Less than 12 months, fair value 283 156
Less than 12 months, gross unrealized losses (4) (1)
12 months or longer, fair value 12,235 13,030
12 months or longer, gross unrealized losses (2,303) (2,038)
Total held-to-maturity securities 12,518 13,186
Total, gross unrealized losses (2,307) (2,039)
Residential CMO    
Available-for-sale securities:    
Less than 12 months, fair value 223 543
Less than 12 months, gross unrealized losses (4) (7)
12 months or longer, fair value 2,769 2,641
12 months or longer, gross unrealized losses (444) (401)
Total, fair value 2,992 3,184
Total, gross unrealized losses (448) (408)
Held-to-maturity securities:    
Less than 12 months, fair value 202 156
Less than 12 months, gross unrealized losses (2) (1)
12 months or longer, fair value 3,416 3,542
12 months or longer, gross unrealized losses (712) (663)
Total held-to-maturity securities 3,618 3,698
Total, gross unrealized losses (714) (664)
Residential MBS    
Available-for-sale securities:    
Less than 12 months, fair value 273 207
Less than 12 months, gross unrealized losses (4) (2)
12 months or longer, fair value 10,253 10,913
12 months or longer, gross unrealized losses (1,968) (1,774)
Total, fair value 10,526 11,120
Total, gross unrealized losses (1,972) (1,776)
Held-to-maturity securities:    
Less than 12 months, fair value 81 0
Less than 12 months, gross unrealized losses (2) 0
12 months or longer, fair value 7,530 8,108
12 months or longer, gross unrealized losses (1,343) (1,145)
Total held-to-maturity securities 7,611 8,108
Total, gross unrealized losses (1,345) (1,145)
Commercial MBS    
Available-for-sale securities:    
Less than 12 months, fair value 0 0
Less than 12 months, gross unrealized losses 0 0
12 months or longer, fair value 1,778 1,827
12 months or longer, gross unrealized losses (747) (709)
Total, fair value 1,778 1,827
Total, gross unrealized losses (747) (709)
Held-to-maturity securities:    
Less than 12 months, fair value 0 0
Less than 12 months, gross unrealized losses 0 0
12 months or longer, fair value 1,208 1,285
12 months or longer, gross unrealized losses (242) (224)
Total held-to-maturity securities 1,208 1,285
Total, gross unrealized losses (242) (224)
Other agencies    
Available-for-sale securities:    
Less than 12 months, fair value 0 0
Less than 12 months, gross unrealized losses 0 0
12 months or longer, fair value 72 81
12 months or longer, gross unrealized losses (7) (6)
Total, fair value 72 81
Total, gross unrealized losses (7) (6)
Held-to-maturity securities:    
Less than 12 months, fair value 0 0
Less than 12 months, gross unrealized losses 0 0
12 months or longer, fair value 81 95
12 months or longer, gross unrealized losses (6) (6)
Total held-to-maturity securities 81 95
Total, gross unrealized losses (6) (6)
Municipal securities    
Available-for-sale securities:    
Less than 12 months, fair value 848 625
Less than 12 months, gross unrealized losses (25) (19)
12 months or longer, fair value 2,422 2,496
12 months or longer, gross unrealized losses (153) (146)
Total, fair value 3,270 3,121
Total, gross unrealized losses (178) (165)
Private-label CMO    
Available-for-sale securities:    
Less than 12 months, fair value 0 0
Less than 12 months, gross unrealized losses 0 0
12 months or longer, fair value 92 99
12 months or longer, gross unrealized losses (12) (12)
Total, fair value 92 99
Total, gross unrealized losses (12) (12)
Asset-backed securities    
Available-for-sale securities:    
Less than 12 months, fair value 0 0
Less than 12 months, gross unrealized losses 0 0
12 months or longer, fair value 271 281
12 months or longer, gross unrealized losses (26) (31)
Total, fair value 271 281
Total, gross unrealized losses (26) (31)
Corporate debt    
Available-for-sale securities:    
Less than 12 months, fair value 0 0
Less than 12 months, gross unrealized losses 0 0
12 months or longer, fair value 2,009 2,043
12 months or longer, gross unrealized losses (247) (238)
Total, fair value 2,009 2,043
Total, gross unrealized losses $ (247) $ (238)