Quarterly report pursuant to Section 13 or 15(d)

Securities - Debt Securities (Details)

v3.19.1
Securities - Debt Securities (Details) - USD ($)
$ in Millions
Mar. 31, 2019
Dec. 31, 2018
Available-for-sale Debt Securities:    
Amortized Cost $ 233,526 $ 234,280
Gross Unrealized Gains 1,024 499
Gross Unrealized Losses (2,937) (5,413)
Fair Value 231,613 229,366
Other Debt Securities, Carried at Fair Value:    
Amortized Cost 10,152 8,595
Gross Unrealized Gains 211 172
Gross Unrealized Losses (20) (32)
Fair Value 10,343 8,735
Debt securities carried at fair value:    
Amortized Cost 243,678 242,875
Gross Unrealized Gains 1,235 671
Gross Unrealized Losses (2,957) (5,445)
Debt securities carried at fair value 241,956 238,101
Held-to-maturity Securities:    
Amortized Cost 198,718 203,652
Gross Unrealized Gains 1,949 747
Gross Unrealized Losses (2,137) (3,964)
Held-to-maturity, fair value 198,530 200,435
Debt securities:    
Amortized Cost 442,396 446,527
Gross Unrealized Gains 3,184 1,418
Gross Unrealized Losses (5,094) (9,409)
Fair Value 440,486 438,536
Securities, pledged as collateral 47,900 40,600
FNMA    
Debt securities carried at fair value:    
Amortized Cost 158,700 161,200
Debt securities carried at fair value 158,300 158,500
FHLMC    
Debt securities carried at fair value:    
Amortized Cost 52,000 52,200
Debt securities carried at fair value 51,900 51,400
Mortgage-backed securities    
Available-for-sale Debt Securities:    
Amortized Cost 140,571 146,998
Gross Unrealized Gains 551 304
Gross Unrealized Losses (2,194) (3,951)
Fair Value 138,928 143,351
Other Debt Securities, Carried at Fair Value:    
Fair Value 2,651 1,606
Debt securities carried at fair value:    
Debt securities carried at fair value 141,579  
Agency    
Available-for-sale Debt Securities:    
Amortized Cost 118,899 125,116
Gross Unrealized Gains 217 138
Gross Unrealized Losses (1,951) (3,428)
Fair Value 117,165 121,826
Debt securities carried at fair value:    
Debt securities carried at fair value 118,178  
Agency-collateralized mortgage obligations    
Available-for-sale Debt Securities:    
Amortized Cost 5,411 5,621
Gross Unrealized Gains 35 19
Gross Unrealized Losses (67) (110)
Fair Value 5,379 5,530
Debt securities carried at fair value:    
Debt securities carried at fair value 5,379  
Commercial    
Available-for-sale Debt Securities:    
Amortized Cost 14,489 14,469
Gross Unrealized Gains 48 11
Gross Unrealized Losses (168) (402)
Fair Value 14,369 14,078
Debt securities carried at fair value:    
Debt securities carried at fair value 14,369  
Non-agency residential    
Available-for-sale Debt Securities:    
Amortized Cost 1,772 1,792
Gross Unrealized Gains 251 136
Gross Unrealized Losses (8) (11)
Fair Value 2,015 $ 1,917
Debt securities carried at fair value:    
Debt securities carried at fair value $ 3,653  
Non-agency residential | Prime    
Debt securities:    
Available-for-sale securities, percent held by rating 68.00% 68.00%
Non-agency residential | Alt-A    
Debt securities:    
Available-for-sale securities, percent held by rating 4.00% 4.00%
Non-agency residential | Subprime    
Debt securities:    
Available-for-sale securities, percent held by rating 28.00% 28.00%
U.S. Treasury and agency securities    
Available-for-sale Debt Securities:    
Amortized Cost $ 61,461 $ 56,239
Gross Unrealized Gains 261 62
Gross Unrealized Losses (698) (1,378)
Fair Value 61,024 54,923
Other Debt Securities, Carried at Fair Value:    
Fair Value 0 1,282
Debt securities carried at fair value:    
Debt securities carried at fair value 61,024  
Non-U.S. securities    
Available-for-sale Debt Securities:    
Amortized Cost 10,759 9,307
Gross Unrealized Gains 5 5
Gross Unrealized Losses (2) (6)
Fair Value 10,762 9,306
Other Debt Securities, Carried at Fair Value:    
Fair Value 7,689 5,844
Debt securities carried at fair value:    
Debt securities carried at fair value 18,451  
Other taxable securities, substantially all asset-backed securities    
Available-for-sale Debt Securities:    
Amortized Cost 3,375 4,387
Gross Unrealized Gains 59 29
Gross Unrealized Losses (1) (6)
Fair Value 3,433 4,410
Other Debt Securities, Carried at Fair Value:    
Fair Value 3 3
Debt securities carried at fair value:    
Debt securities carried at fair value 3,436  
Total taxable securities    
Available-for-sale Debt Securities:    
Amortized Cost 216,166 216,931
Gross Unrealized Gains 876 400
Gross Unrealized Losses (2,895) (5,341)
Fair Value 214,147 211,990
Debt securities carried at fair value:    
Debt securities carried at fair value 224,490  
Tax-exempt securities    
Available-for-sale Debt Securities:    
Amortized Cost 17,360 17,349
Gross Unrealized Gains 148 99
Gross Unrealized Losses (42) (72)
Fair Value 17,466 $ 17,376
Debt securities carried at fair value:    
Debt securities carried at fair value $ 17,466