Quarterly report pursuant to Section 13 or 15(d)

Securities - Debt Securities (Details)

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Securities - Debt Securities (Details) - USD ($)
$ in Millions
Mar. 31, 2024
Dec. 31, 2023
Available-for-sale debt securities    
Amortized Cost $ 316,418 $ 270,482
Gross Unrealized Gains 265 150
Gross Unrealized Losses (3,610) (3,983)
Fair Value 313,073 266,649
Other Debt Securities, Carried at Fair Value:    
Amortized Cost 10,035 10,202
Gross Unrealized Gains 90 56
Gross Unrealized Losses (79) (55)
Fair Value 10,046 10,203
Debt securities carried at fair value:    
Amortized Cost 326,453 280,684
Gross Unrealized Gains 355 206
Gross Unrealized Losses (3,689) (4,038)
Fair Value 323,119 276,852
Held-to-maturity Securities:    
Amortized Cost 586,899 594,591
Gross Unrealized Gains 0 0
Gross Unrealized Losses (109,151) (97,994)
Fair Value 477,748 496,597
Debt securities:    
Amortized Cost 913,352 875,275
Gross Unrealized Gains 355 206
Gross Unrealized Losses (112,840) (102,032)
Fair Value 800,867 773,449
Securities, pledged as collateral 188,300 204,900
FNMA    
Debt securities carried at fair value:    
Amortized Cost 268,000 272,500
Fair Value 216,400 226,400
FHLMC    
Debt securities carried at fair value:    
Amortized Cost 169,000 171,500
Fair Value 136,600 142,300
Mortgage-backed securities    
Available-for-sale debt securities    
Amortized Cost 51,920 53,292
Gross Unrealized Gains 148 86
Gross Unrealized Losses (2,233) (2,205)
Fair Value 49,835 51,173
Debt securities carried at fair value:    
Fair Value 50,109  
Agency    
Available-for-sale debt securities    
Amortized Cost 37,971 39,195
Gross Unrealized Gains 28 37
Gross Unrealized Losses (1,487) (1,420)
Fair Value 36,512 37,812
Debt securities carried at fair value:    
Fair Value 36,512  
Held-to-maturity Securities:    
Amortized Cost 457,841 465,456
Gross Unrealized Gains 0 0
Gross Unrealized Losses (88,505) (78,930)
Fair Value 369,336 386,526
Agency-collateralized mortgage obligations    
Available-for-sale debt securities    
Amortized Cost 2,661 2,739
Gross Unrealized Gains 8 6
Gross Unrealized Losses (219) (201)
Fair Value 2,450 2,544
Debt securities carried at fair value:    
Fair Value 2,450  
Commercial    
Available-for-sale debt securities    
Amortized Cost 10,978 10,909
Gross Unrealized Gains 66 40
Gross Unrealized Losses (469) (514)
Fair Value 10,575 10,435
Debt securities carried at fair value:    
Fair Value 10,586  
Non-agency residential    
Available-for-sale debt securities    
Amortized Cost 310 449
Gross Unrealized Gains 46 3
Gross Unrealized Losses (58) (70)
Fair Value 298 $ 382
Debt securities carried at fair value:    
Fair Value $ 561  
Non-agency residential | Prime    
Debt securities:    
Available-for-sale securities, percent held by rating 24.00% 17.00%
Non-agency residential | Subprime    
Debt securities:    
Available-for-sale securities, percent held by rating 76.00% 83.00%
U.S. Treasury and government agencies    
Available-for-sale debt securities    
Amortized Cost $ 229,830 $ 179,108
Gross Unrealized Gains 81 19
Gross Unrealized Losses (1,072) (1,461)
Fair Value 228,839 177,666
Debt securities carried at fair value:    
Fair Value 230,734  
Held-to-maturity Securities:    
Amortized Cost 121,658 121,645
Gross Unrealized Gains 0 0
Gross Unrealized Losses (19,526) (17,963)
Fair Value 102,132 103,682
Non-U.S. securities    
Available-for-sale debt securities    
Amortized Cost 21,249 22,868
Gross Unrealized Gains 23 27
Gross Unrealized Losses (21) (20)
Fair Value 21,251 22,875
Debt securities carried at fair value:    
Fair Value 29,124  
Other taxable securities    
Available-for-sale debt securities    
Amortized Cost 3,285 4,910
Gross Unrealized Gains 2 1
Gross Unrealized Losses (49) (76)
Fair Value 3,238 4,835
Debt securities carried at fair value:    
Fair Value 3,242  
Held-to-maturity Securities:    
Amortized Cost 7,400 7,490
Gross Unrealized Gains 0 0
Gross Unrealized Losses (1,120) (1,101)
Fair Value 6,280 6,389
Tax-exempt securities    
Available-for-sale debt securities    
Amortized Cost 10,134 10,304
Gross Unrealized Gains 11 17
Gross Unrealized Losses (235) (221)
Fair Value 9,910 $ 10,100
Debt securities carried at fair value:    
Fair Value $ 9,910