Quarterly report pursuant to Section 13 or 15(d)

Securities - Debt Securities (Details)

v3.20.1
Securities - Debt Securities (Details) - USD ($)
$ in Millions
Mar. 31, 2020
Dec. 31, 2019
Available-for-sale Debt Securities:    
Amortized Cost $ 197,998 $ 243,307
Gross Unrealized Gains 8,624 2,776
Gross Unrealized Losses (401) (444)
Fair Value 206,221 245,639
Other Debt Securities, Carried at Fair Value:    
Amortized Cost 14,791 10,596
Gross Unrealized Gains 317 255
Gross Unrealized Losses (225) (23)
Fair Value 14,883 10,828
Debt securities carried at fair value:    
Amortized Cost 212,789 253,903
Gross Unrealized Gains 8,941 3,031
Gross Unrealized Losses (626) (467)
Debt securities carried at fair value 221,104 256,467
Held-to-maturity Securities:    
Amortized Cost 254,764 215,730
Gross Unrealized Gains 11,848 4,433
Gross Unrealized Losses (17) (342)
Held-to-maturity, fair value 266,595 219,821
Debt securities:    
Amortized Cost 467,553 469,633
Gross Unrealized Gains 20,789 7,464
Gross Unrealized Losses (643) (809)
Fair Value 487,699 476,288
Debt securities, available for sale securities transferred to held-to-maturity 44,400  
Debt securities, trading, transferred 11,100  
Debt securities, trading, transfered to available-for-sale 5,200  
Debt securities, trading, transfered to other debt securities 5,900  
Securities, pledged as collateral 71,400 67,000
FNMA    
Debt securities carried at fair value:    
Amortized Cost 153,300 157,200
Debt securities carried at fair value 161,200 160,600
FHLMC    
Debt securities carried at fair value:    
Amortized Cost 58,800 54,100
Debt securities carried at fair value 61,700 55,100
Mortgage-backed securities    
Available-for-sale Debt Securities:    
Amortized Cost 96,629 142,030
Gross Unrealized Gains 4,019 1,478
Gross Unrealized Losses (102) (241)
Fair Value 100,546 143,267
Debt securities carried at fair value:    
Debt securities carried at fair value 107,770  
Agency    
Available-for-sale Debt Securities:    
Amortized Cost 76,599 121,698
Gross Unrealized Gains 2,863 1,013
Gross Unrealized Losses (1) (183)
Fair Value 79,461 122,528
Debt securities carried at fair value:    
Debt securities carried at fair value 85,550  
Agency-collateralized mortgage obligations    
Available-for-sale Debt Securities:    
Amortized Cost 4,348 4,587
Gross Unrealized Gains 212 78
Gross Unrealized Losses (9) (24)
Fair Value 4,551 4,641
Debt securities carried at fair value:    
Debt securities carried at fair value 4,551  
Commercial    
Available-for-sale Debt Securities:    
Amortized Cost 14,800 14,797
Gross Unrealized Gains 814 249
Gross Unrealized Losses (12) (25)
Fair Value 15,602 15,021
Debt securities carried at fair value:    
Debt securities carried at fair value 15,615  
Non-agency residential    
Available-for-sale Debt Securities:    
Amortized Cost 882 948
Gross Unrealized Gains 130 138
Gross Unrealized Losses (80) (9)
Fair Value 932 $ 1,077
Debt securities carried at fair value:    
Debt securities carried at fair value $ 2,054  
Non-agency residential | Prime    
Debt securities:    
Available-for-sale securities, percent held by rating 49.00% 49.00%
Non-agency residential | Alt-A    
Debt securities:    
Available-for-sale securities, percent held by rating 6.00% 6.00%
Non-agency residential | Subprime    
Debt securities:    
Available-for-sale securities, percent held by rating 45.00% 45.00%
U.S. Treasury and agency securities    
Available-for-sale Debt Securities:    
Amortized Cost $ 64,353 $ 67,700
Gross Unrealized Gains 4,352 1,023
Gross Unrealized Losses (9) (195)
Fair Value 68,696 68,528
Debt securities carried at fair value:    
Debt securities carried at fair value 68,699  
Non-U.S. securities    
Available-for-sale Debt Securities:    
Amortized Cost 12,248 11,987
Gross Unrealized Gains 10 6
Gross Unrealized Losses (11) (2)
Fair Value 12,247 11,991
Debt securities carried at fair value:    
Debt securities carried at fair value 19,899  
Other taxable securities, substantially all asset-backed securities    
Available-for-sale Debt Securities:    
Amortized Cost 6,016 3,874
Gross Unrealized Gains 80 67
Gross Unrealized Losses (204) 0
Fair Value 5,892 3,941
Debt securities carried at fair value:    
Debt securities carried at fair value 5,896  
Total taxable securities    
Available-for-sale Debt Securities:    
Amortized Cost 179,246 225,591
Gross Unrealized Gains 8,461 2,574
Gross Unrealized Losses (326) (438)
Fair Value 187,381 227,727
Debt securities carried at fair value:    
Debt securities carried at fair value 202,264  
Tax-exempt securities    
Available-for-sale Debt Securities:    
Amortized Cost 18,752 17,716
Gross Unrealized Gains 163 202
Gross Unrealized Losses (75) (6)
Fair Value 18,840 $ 17,912
Debt securities carried at fair value:    
Debt securities carried at fair value $ 18,840