Quarterly report pursuant to Section 13 or 15(d)

Securities - Debt Securities (Details)

v3.20.2
Securities - Debt Securities (Details) - USD ($)
$ in Millions
Sep. 30, 2020
Dec. 31, 2019
Available-for-sale Debt Securities:    
Amortized Cost $ 227,354 $ 243,307
Gross Unrealized Gains 6,510 2,776
Gross Unrealized Losses (172) (444)
Fair Value 233,692 245,639
Other Debt Securities, Carried at Fair Value:    
Amortized Cost 11,982 10,596
Gross Unrealized Gains 399 255
Gross Unrealized Losses (76) (23)
Fair Value 12,305 10,828
Debt securities carried at fair value:    
Amortized Cost 239,336 253,903
Gross Unrealized Gains 6,909 3,031
Gross Unrealized Losses (248) (467)
Debt securities carried at fair value 245,997 256,467
Held-to-maturity Securities:    
Amortized cost 338,418 215,730
Gross Unrealized Gains 9,727 4,433
Gross Unrealized Losses (228) (342)
Held-to-maturity, fair value 347,917 219,821
Debt securities:    
Amortized Cost 577,754 469,633
Gross Unrealized Gains 16,636 7,464
Gross Unrealized Losses (476) (809)
Fair Value 593,914 476,288
Securities, pledged as collateral 55,700 67,000
FNMA    
Debt securities carried at fair value:    
Amortized Cost 193,800 157,200
Debt securities carried at fair value 201,000 160,600
FHLMC    
Debt securities carried at fair value:    
Amortized Cost 76,900 54,100
Debt securities carried at fair value 79,300 55,100
Mortgage-backed securities    
Available-for-sale Debt Securities:    
Amortized Cost 89,586 142,030
Gross Unrealized Gains 3,701 1,478
Gross Unrealized Losses (97) (241)
Fair Value 93,190 143,267
Debt securities carried at fair value:    
Debt securities carried at fair value 94,412  
Agency    
Available-for-sale Debt Securities:    
Amortized Cost 67,566 121,698
Gross Unrealized Gains 2,349 1,013
Gross Unrealized Losses (51) (183)
Fair Value 69,864 122,528
Debt securities carried at fair value:    
Debt securities carried at fair value 69,864  
Agency-collateralized mortgage obligations    
Available-for-sale Debt Securities:    
Amortized Cost 5,663 4,587
Gross Unrealized Gains 189 78
Gross Unrealized Losses (15) (24)
Fair Value 5,837 4,641
Debt securities carried at fair value:    
Debt securities carried at fair value 5,837  
Commercial    
Available-for-sale Debt Securities:    
Amortized Cost 15,190 14,797
Gross Unrealized Gains 1,017 249
Gross Unrealized Losses (1) (25)
Fair Value 16,206 15,021
Debt securities carried at fair value:    
Debt securities carried at fair value 16,220  
Non-agency residential    
Available-for-sale Debt Securities:    
Amortized Cost 1,167 948
Gross Unrealized Gains 146 138
Gross Unrealized Losses (30) (9)
Fair Value 1,283 $ 1,077
Debt securities carried at fair value:    
Debt securities carried at fair value $ 2,491  
Non-agency residential | Prime    
Debt securities:    
Available-for-sale securities, percent held by rating 35.00% 49.00%
Non-agency residential | Alt-A    
Debt securities:    
Available-for-sale securities, percent held by rating 4.00% 6.00%
Non-agency residential | Subprime    
Debt securities:    
Available-for-sale securities, percent held by rating 61.00% 45.00%
U.S. Treasury and agency securities    
Available-for-sale Debt Securities:    
Amortized Cost $ 100,508 $ 67,700
Gross Unrealized Gains 2,377 1,023
Gross Unrealized Losses (7) (195)
Fair Value 102,878 68,528
Debt securities carried at fair value:    
Debt securities carried at fair value 102,881  
Non-U.S. securities    
Available-for-sale Debt Securities:    
Amortized Cost 16,333 11,987
Gross Unrealized Gains 34 6
Gross Unrealized Losses (13) (2)
Fair Value 16,354 11,991
Debt securities carried at fair value:    
Debt securities carried at fair value 27,431  
Other taxable securities, substantially all asset-backed securities    
Available-for-sale Debt Securities:    
Amortized Cost 3,628 3,874
Gross Unrealized Gains 58 67
Gross Unrealized Losses (10) 0
Fair Value 3,676 3,941
Debt securities carried at fair value:    
Debt securities carried at fair value 3,679  
Total taxable securities    
Available-for-sale Debt Securities:    
Amortized Cost 210,055 225,591
Gross Unrealized Gains 6,170 2,574
Gross Unrealized Losses (127) (438)
Fair Value 216,098 227,727
Debt securities carried at fair value:    
Debt securities carried at fair value 228,403  
Tax-exempt securities    
Available-for-sale Debt Securities:    
Amortized Cost 17,299 17,716
Gross Unrealized Gains 340 202
Gross Unrealized Losses (45) (6)
Fair Value 17,594 $ 17,912
Debt securities carried at fair value:    
Debt securities carried at fair value $ 17,594