Quarterly report pursuant to Section 13 or 15(d)

Securities - Debt Securities (Details)

v3.19.3
Securities - Debt Securities (Details) - USD ($)
$ in Millions
Sep. 30, 2019
Dec. 31, 2018
Available-for-sale Debt Securities:    
Amortized Cost $ 241,765 $ 234,280
Gross Unrealized Gains 3,611 499
Gross Unrealized Losses (504) (5,413)
Fair Value 244,872 229,366
Other Debt Securities, Carried at Fair Value:    
Amortized Cost 9,284 8,595
Gross Unrealized Gains 205 172
Gross Unrealized Losses (19) (32)
Fair Value 9,470 8,735
Debt securities carried at fair value:    
Amortized Cost 251,049 242,875
Gross Unrealized Gains 3,816 671
Gross Unrealized Losses (523) (5,445)
Debt securities carried at fair value 254,342 238,101
Held-to-maturity Securities:    
Amortized Cost 190,252 203,652
Gross Unrealized Gains 4,358 747
Gross Unrealized Losses (336) (3,964)
Held-to-maturity, fair value 194,274 200,435
Debt securities:    
Amortized Cost 441,301 446,527
Gross Unrealized Gains 8,174 1,418
Gross Unrealized Losses (859) (9,409)
Fair Value 448,616 438,536
Securities, pledged as collateral 42,800 40,600
FNMA    
Debt securities carried at fair value:    
Amortized Cost 153,200 161,200
Debt securities carried at fair value 156,600 158,500
FHLMC    
Debt securities carried at fair value:    
Amortized Cost 49,500 52,200
Debt securities carried at fair value 50,600 51,400
Mortgage-backed securities    
Available-for-sale Debt Securities:    
Amortized Cost 154,876 146,998
Gross Unrealized Gains 1,960 304
Gross Unrealized Losses (305) (3,951)
Fair Value 156,531 143,351
Debt securities carried at fair value:    
Debt securities carried at fair value 158,087  
Agency    
Available-for-sale Debt Securities:    
Amortized Cost 133,973 125,116
Gross Unrealized Gains 1,250 138
Gross Unrealized Losses (274) (3,428)
Fair Value 134,949 121,826
Debt securities carried at fair value:    
Debt securities carried at fair value 134,950  
Agency-collateralized mortgage obligations    
Available-for-sale Debt Securities:    
Amortized Cost 4,877 5,621
Gross Unrealized Gains 103 19
Gross Unrealized Losses (18) (110)
Fair Value 4,962 5,530
Debt securities carried at fair value:    
Debt securities carried at fair value 4,962  
Commercial    
Available-for-sale Debt Securities:    
Amortized Cost 14,301 14,469
Gross Unrealized Gains 380 11
Gross Unrealized Losses (4) (402)
Fair Value 14,677 14,078
Debt securities carried at fair value:    
Debt securities carried at fair value 14,690  
Non-agency residential    
Available-for-sale Debt Securities:    
Amortized Cost 1,725 1,792
Gross Unrealized Gains 227 136
Gross Unrealized Losses (9) (11)
Fair Value 1,943 $ 1,917
Debt securities carried at fair value:    
Debt securities carried at fair value $ 3,485  
Non-agency residential | Prime    
Debt securities:    
Available-for-sale securities, percent held by rating 66.00% 68.00%
Non-agency residential | Alt-A    
Debt securities:    
Available-for-sale securities, percent held by rating 5.00% 4.00%
Non-agency residential | Subprime    
Debt securities:    
Available-for-sale securities, percent held by rating 29.00% 28.00%
U.S. Treasury and agency securities    
Available-for-sale Debt Securities:    
Amortized Cost $ 55,746 $ 56,239
Gross Unrealized Gains 1,364 62
Gross Unrealized Losses (163) (1,378)
Fair Value 56,947 54,923
Debt securities carried at fair value:    
Debt securities carried at fair value 56,950  
Non-U.S. securities    
Available-for-sale Debt Securities:    
Amortized Cost 11,074 9,307
Gross Unrealized Gains 7 5
Gross Unrealized Losses (2) (6)
Fair Value 11,079 9,306
Debt securities carried at fair value:    
Debt securities carried at fair value 18,987  
Other taxable securities, substantially all asset-backed securities    
Available-for-sale Debt Securities:    
Amortized Cost 3,806 4,387
Gross Unrealized Gains 77 29
Gross Unrealized Losses 0 (6)
Fair Value 3,883 4,410
Debt securities carried at fair value:    
Debt securities carried at fair value 3,886  
Total taxable securities    
Available-for-sale Debt Securities:    
Amortized Cost 225,502 216,931
Gross Unrealized Gains 3,408 400
Gross Unrealized Losses (470) (5,341)
Fair Value 228,440 211,990
Debt securities carried at fair value:    
Debt securities carried at fair value 237,910  
Tax-exempt securities    
Available-for-sale Debt Securities:    
Amortized Cost 16,263 17,349
Gross Unrealized Gains 203 99
Gross Unrealized Losses (34) (72)
Fair Value 16,432 $ 17,376
Debt securities carried at fair value:    
Debt securities carried at fair value $ 16,432