Quarterly report pursuant to Section 13 or 15(d)

Securities - Debt Securities (Details)

v3.21.2
Securities - Debt Securities (Details) - USD ($)
$ in Millions
Sep. 30, 2021
Dec. 31, 2020
Available-for-sale debt securities    
Amortized Cost $ 270,939 $ 228,238
Gross Unrealized Gains 4,790 6,384
Gross Unrealized Losses (371) (131)
Fair Value 275,358 234,491
Other Debt Securities, Carried at Fair Value:    
Amortized Cost 10,076 11,720
Gross Unrealized Gains 101 429
Gross Unrealized Losses (158) (39)
Fair Value 10,019 12,110
Debt securities carried at fair value:    
Amortized Cost 281,015 239,958
Gross Unrealized Gains 4,891 6,813
Gross Unrealized Losses (529) (170)
Fair Value 285,377 246,601
Held-to-maturity Securities:    
Amortized Cost 683,274 438,279
Gross Unrealized Gains 5,861 10,095
Gross Unrealized Losses (10,802) (194)
Fair Value 678,333 448,180
Debt securities:    
Amortized Cost 964,289 678,237
Gross Unrealized Gains 10,752 16,908
Gross Unrealized Losses (11,331) (364)
Fair Value 963,710 694,781
Securities, pledged as collateral 76,400 65,500
FNMA    
Debt securities carried at fair value:    
Amortized Cost 348,600 260,100
Fair Value 348,400 267,500
FHLMC    
Debt securities carried at fair value:    
Amortized Cost 205,700 118,100
Fair Value 204,100 120,700
Mortgage-backed securities    
Available-for-sale debt securities    
Amortized Cost 73,330 80,999
Gross Unrealized Gains 2,551 3,683
Gross Unrealized Losses (186) (73)
Fair Value 75,695 84,609
Debt securities carried at fair value:    
Fair Value 76,415  
Agency    
Available-for-sale debt securities    
Amortized Cost 50,756 59,518
Gross Unrealized Gains 1,631 2,370
Gross Unrealized Losses (90) (39)
Fair Value 52,297 61,849
Debt securities carried at fair value:    
Fair Value 52,297  
Held-to-maturity Securities:    
Amortized Cost 562,124 414,289
Gross Unrealized Gains 5,497 9,768
Gross Unrealized Losses (8,031) (36)
Fair Value 559,590 424,021
Agency-collateralized mortgage obligations    
Available-for-sale debt securities    
Amortized Cost 3,684 5,112
Gross Unrealized Gains 103 161
Gross Unrealized Losses (11) (13)
Fair Value 3,776 5,260
Debt securities carried at fair value:    
Fair Value 3,776  
Commercial    
Available-for-sale debt securities    
Amortized Cost 18,091 15,470
Gross Unrealized Gains 778 1,025
Gross Unrealized Losses (50) (4)
Fair Value 18,819 16,491
Debt securities carried at fair value:    
Fair Value 18,832  
Non-agency residential    
Available-for-sale debt securities    
Amortized Cost 799 899
Gross Unrealized Gains 39 127
Gross Unrealized Losses (35) (17)
Fair Value 803 $ 1,009
Debt securities carried at fair value:    
Fair Value $ 1,510  
Non-agency residential | Prime    
Debt securities:    
Available-for-sale securities, percent held by rating 37.00% 37.00%
Non-agency residential | Alt-A    
Debt securities:    
Available-for-sale securities, percent held by rating 2.00% 2.00%
Non-agency residential | Subprime    
Debt securities:    
Available-for-sale securities, percent held by rating 61.00% 61.00%
U.S. Treasury and government agencies    
Available-for-sale debt securities    
Amortized Cost $ 167,419 $ 114,157
Gross Unrealized Gains 1,869 2,236
Gross Unrealized Losses (163) (13)
Fair Value 169,125 116,380
Debt securities carried at fair value:    
Fair Value 169,401  
Held-to-maturity Securities:    
Amortized Cost 111,855 16,084
Gross Unrealized Gains 167 0
Gross Unrealized Losses (2,614) (71)
Fair Value 109,408 16,013
Non-U.S. securities    
Available-for-sale debt securities    
Amortized Cost 12,289 14,009
Gross Unrealized Gains 4 15
Gross Unrealized Losses 0 (7)
Fair Value 12,293 14,017
Debt securities carried at fair value:    
Fair Value 21,313  
Other taxable securities    
Available-for-sale debt securities    
Amortized Cost 2,589 2,656
Gross Unrealized Gains 45 61
Gross Unrealized Losses (1) (6)
Fair Value 2,633 2,711
Debt securities carried at fair value:    
Fair Value 2,636  
Held-to-maturity Securities:    
Amortized Cost 9,295 7,906
Gross Unrealized Gains 197 327
Gross Unrealized Losses (157) (87)
Fair Value 9,335 8,146
Tax-exempt securities    
Available-for-sale debt securities    
Amortized Cost 15,312 16,417
Gross Unrealized Gains 321 389
Gross Unrealized Losses (21) (32)
Fair Value 15,612 $ 16,774
Debt securities carried at fair value:    
Fair Value $ 15,612