Securities - Maturities of Debt Securities Carried at Fair Value and Held-to-maturity Debt Securities (Details) - USD ($)
$ in Millions |
Sep. 30, 2020 |
Dec. 31, 2019 |
| Debt Securities, Held-to-maturity, Maturity, Amortized Cost, Net [Abstract] |
|
|
| Due in one year or less, amount |
$ 66
|
|
| Due in one year or less, yield |
1.87%
|
|
| Due after one year through five years, amount |
$ 81
|
|
| Due after one year through five years, yield |
3.29%
|
|
| Due after five years through ten years, amount |
$ 17,188
|
|
| Due after five years though ten years, yield |
1.86%
|
|
| Due after ten years, amount |
$ 321,083
|
|
| Due after ten years, yield |
2.71%
|
|
| Amortized cost |
$ 338,418
|
$ 215,730
|
| Total, yield |
2.67%
|
|
| Available-for-sale Securities, Debt Maturities, Fair Value, Fiscal Year Maturity [Abstract] |
|
|
| Debt securities carried at fair value |
$ 245,997
|
256,467
|
| Held-to-maturity Securities, Debt Maturities, Fair Value [Abstract] |
|
|
| Due in one year or less, amount |
65
|
|
| Due after one year through five years, amount |
83
|
|
| Due after five years though ten years, amount |
17,442
|
|
| Due after ten years, amount |
330,327
|
|
| Held-to-maturity, fair value |
347,917
|
$ 219,821
|
| Mortgage-backed securities |
|
|
| Available-for-sale Securities, Debt Maturities, Amortized Cost Basis, Fiscal Year Maturity [Abstract] |
|
|
| Due in one year or less, amount |
$ 26
|
|
| Due in one year or less, yield |
3.08%
|
|
| Due after one year through five years, amount |
$ 6,143
|
|
| Due after one year through five years, yield |
2.49%
|
|
| Due after five years through ten years, amount |
$ 8,108
|
|
| Due after five years through ten years, yield |
2.45%
|
|
| Due after ten years, amount |
$ 76,479
|
|
| Due after ten years, yield |
3.44%
|
|
| Total, amount |
$ 90,756
|
|
| Total, yield |
3.29%
|
|
| Available-for-sale Securities, Debt Maturities, Fair Value, Fiscal Year Maturity [Abstract] |
|
|
| Due in one year or less, amount |
$ 26
|
|
| Due after one year through five years, amount |
6,499
|
|
| Due after five years though ten years, amount |
8,696
|
|
| Due after ten years, amount |
79,191
|
|
| Debt securities carried at fair value |
94,412
|
|
| Agency |
|
|
| Available-for-sale Securities, Debt Maturities, Amortized Cost Basis, Fiscal Year Maturity [Abstract] |
|
|
| Due in one year or less, amount |
$ 0
|
|
| Due in one year or less, yield |
0.00%
|
|
| Due after one year through five years, amount |
$ 7
|
|
| Due after one year through five years, yield |
5.37%
|
|
| Due after five years through ten years, amount |
$ 59
|
|
| Due after five years through ten years, yield |
4.51%
|
|
| Due after ten years, amount |
$ 67,500
|
|
| Due after ten years, yield |
3.36%
|
|
| Total, amount |
$ 67,566
|
|
| Total, yield |
3.36%
|
|
| Available-for-sale Securities, Debt Maturities, Fair Value, Fiscal Year Maturity [Abstract] |
|
|
| Due in one year or less, amount |
$ 0
|
|
| Due after one year through five years, amount |
8
|
|
| Due after five years though ten years, amount |
63
|
|
| Due after ten years, amount |
69,793
|
|
| Debt securities carried at fair value |
69,864
|
|
| Agency-collateralized mortgage obligations |
|
|
| Available-for-sale Securities, Debt Maturities, Amortized Cost Basis, Fiscal Year Maturity [Abstract] |
|
|
| Due in one year or less, amount |
$ 0
|
|
| Due in one year or less, yield |
0.00%
|
|
| Due after one year through five years, amount |
$ 0
|
|
| Due after one year through five years, yield |
0.00%
|
|
| Due after five years through ten years, amount |
$ 24
|
|
| Due after five years through ten years, yield |
2.54%
|
|
| Due after ten years, amount |
$ 5,639
|
|
| Due after ten years, yield |
2.95%
|
|
| Total, amount |
$ 5,663
|
|
| Total, yield |
2.95%
|
|
| Available-for-sale Securities, Debt Maturities, Fair Value, Fiscal Year Maturity [Abstract] |
|
|
| Due in one year or less, amount |
$ 0
|
|
| Due after one year through five years, amount |
0
|
|
| Due after five years though ten years, amount |
25
|
|
| Due after ten years, amount |
5,812
|
|
| Debt securities carried at fair value |
5,837
|
|
| Commercial |
|
|
| Available-for-sale Securities, Debt Maturities, Amortized Cost Basis, Fiscal Year Maturity [Abstract] |
|
|
| Due in one year or less, amount |
$ 26
|
|
| Due in one year or less, yield |
3.08%
|
|
| Due after one year through five years, amount |
$ 6,136
|
|
| Due after one year through five years, yield |
2.49%
|
|
| Due after five years through ten years, amount |
$ 8,014
|
|
| Due after five years through ten years, yield |
2.44%
|
|
| Due after ten years, amount |
$ 1,027
|
|
| Due after ten years, yield |
2.75%
|
|
| Total, amount |
$ 15,203
|
|
| Total, yield |
2.48%
|
|
| Available-for-sale Securities, Debt Maturities, Fair Value, Fiscal Year Maturity [Abstract] |
|
|
| Due in one year or less, amount |
$ 26
|
|
| Due after one year through five years, amount |
6,491
|
|
| Due after five years though ten years, amount |
8,586
|
|
| Due after ten years, amount |
1,117
|
|
| Debt securities carried at fair value |
16,220
|
|
| Non-agency residential |
|
|
| Available-for-sale Securities, Debt Maturities, Amortized Cost Basis, Fiscal Year Maturity [Abstract] |
|
|
| Due in one year or less, amount |
$ 0
|
|
| Due in one year or less, yield |
0.00%
|
|
| Due after one year through five years, amount |
$ 0
|
|
| Due after one year through five years, yield |
0.00%
|
|
| Due after five years through ten years, amount |
$ 11
|
|
| Due after five years through ten years, yield |
0.00%
|
|
| Due after ten years, amount |
$ 2,313
|
|
| Due after ten years, yield |
7.35%
|
|
| Total, amount |
$ 2,324
|
|
| Total, yield |
7.32%
|
|
| Available-for-sale Securities, Debt Maturities, Fair Value, Fiscal Year Maturity [Abstract] |
|
|
| Due in one year or less, amount |
$ 0
|
|
| Due after one year through five years, amount |
0
|
|
| Due after five years though ten years, amount |
22
|
|
| Due after ten years, amount |
2,469
|
|
| Debt securities carried at fair value |
2,491
|
|
| U.S. Treasury and agency securities |
|
|
| Available-for-sale Securities, Debt Maturities, Amortized Cost Basis, Fiscal Year Maturity [Abstract] |
|
|
| Due in one year or less, amount |
$ 10,398
|
|
| Due in one year or less, yield |
1.19%
|
|
| Due after one year through five years, amount |
$ 29,682
|
|
| Due after one year through five years, yield |
1.81%
|
|
| Due after five years through ten years, amount |
$ 60,399
|
|
| Due after five years through ten years, yield |
0.78%
|
|
| Due after ten years, amount |
$ 32
|
|
| Due after ten years, yield |
2.62%
|
|
| Total, amount |
$ 100,511
|
|
| Total, yield |
1.13%
|
|
| Available-for-sale Securities, Debt Maturities, Fair Value, Fiscal Year Maturity [Abstract] |
|
|
| Due in one year or less, amount |
$ 10,452
|
|
| Due after one year through five years, amount |
31,020
|
|
| Due after five years though ten years, amount |
61,377
|
|
| Due after ten years, amount |
32
|
|
| Debt securities carried at fair value |
102,881
|
|
| Non-U.S. securities |
|
|
| Available-for-sale Securities, Debt Maturities, Amortized Cost Basis, Fiscal Year Maturity [Abstract] |
|
|
| Due in one year or less, amount |
$ 25,784
|
|
| Due in one year or less, yield |
0.37%
|
|
| Due after one year through five years, amount |
$ 1,275
|
|
| Due after one year through five years, yield |
1.50%
|
|
| Due after five years through ten years, amount |
$ 7
|
|
| Due after five years through ten years, yield |
5.82%
|
|
| Due after ten years, amount |
$ 76
|
|
| Due after ten years, yield |
8.89%
|
|
| Total, amount |
$ 27,142
|
|
| Total, yield |
0.44%
|
|
| Available-for-sale Securities, Debt Maturities, Fair Value, Fiscal Year Maturity [Abstract] |
|
|
| Due in one year or less, amount |
$ 26,066
|
|
| Due after one year through five years, amount |
1,278
|
|
| Due after five years though ten years, amount |
8
|
|
| Due after ten years, amount |
79
|
|
| Debt securities carried at fair value |
27,431
|
|
| Other taxable securities, substantially all asset-backed securities |
|
|
| Available-for-sale Securities, Debt Maturities, Amortized Cost Basis, Fiscal Year Maturity [Abstract] |
|
|
| Due in one year or less, amount |
$ 1,107
|
|
| Due in one year or less, yield |
1.42%
|
|
| Due after one year through five years, amount |
$ 1,423
|
|
| Due after one year through five years, yield |
2.32%
|
|
| Due after five years through ten years, amount |
$ 628
|
|
| Due after five years through ten years, yield |
2.06%
|
|
| Due after ten years, amount |
$ 470
|
|
| Due after ten years, yield |
1.73%
|
|
| Total, amount |
$ 3,628
|
|
| Total, yield |
1.92%
|
|
| Available-for-sale Securities, Debt Maturities, Fair Value, Fiscal Year Maturity [Abstract] |
|
|
| Due in one year or less, amount |
$ 1,112
|
|
| Due after one year through five years, amount |
1,445
|
|
| Due after five years though ten years, amount |
640
|
|
| Due after ten years, amount |
482
|
|
| Debt securities carried at fair value |
3,679
|
|
| Total taxable securities |
|
|
| Available-for-sale Securities, Debt Maturities, Amortized Cost Basis, Fiscal Year Maturity [Abstract] |
|
|
| Due in one year or less, amount |
$ 37,315
|
|
| Due in one year or less, yield |
0.63%
|
|
| Due after one year through five years, amount |
$ 38,523
|
|
| Due after one year through five years, yield |
1.93%
|
|
| Due after five years through ten years, amount |
$ 69,142
|
|
| Due after five years through ten years, yield |
0.99%
|
|
| Due after ten years, amount |
$ 77,057
|
|
| Due after ten years, yield |
3.44%
|
|
| Total, amount |
$ 222,037
|
|
| Total, yield |
1.94%
|
|
| Available-for-sale Securities, Debt Maturities, Fair Value, Fiscal Year Maturity [Abstract] |
|
|
| Due in one year or less, amount |
$ 37,656
|
|
| Due after one year through five years, amount |
40,242
|
|
| Due after five years though ten years, amount |
70,721
|
|
| Due after ten years, amount |
79,784
|
|
| Debt securities carried at fair value |
228,403
|
|
| Tax-exempt securities |
|
|
| Available-for-sale Securities, Debt Maturities, Amortized Cost Basis, Fiscal Year Maturity [Abstract] |
|
|
| Due in one year or less, amount |
$ 905
|
|
| Due in one year or less, yield |
0.92%
|
|
| Due after one year through five years, amount |
$ 8,462
|
|
| Due after one year through five years, yield |
1.23%
|
|
| Due after five years through ten years, amount |
$ 5,051
|
|
| Due after five years through ten years, yield |
1.66%
|
|
| Due after ten years, amount |
$ 2,881
|
|
| Due after ten years, yield |
1.53%
|
|
| Total, amount |
$ 17,299
|
|
| Total, yield |
1.39%
|
|
| Available-for-sale Securities, Debt Maturities, Fair Value, Fiscal Year Maturity [Abstract] |
|
|
| Due in one year or less, amount |
$ 907
|
|
| Due after one year through five years, amount |
8,548
|
|
| Due after five years though ten years, amount |
5,201
|
|
| Due after ten years, amount |
2,938
|
|
| Debt securities carried at fair value |
17,594
|
|
| Debt securities |
|
|
| Available-for-sale Securities, Debt Maturities, Amortized Cost Basis, Fiscal Year Maturity [Abstract] |
|
|
| Due in one year or less, amount |
$ 38,220
|
|
| Due in one year or less, yield |
0.64%
|
|
| Due after one year through five years, amount |
$ 46,985
|
|
| Due after one year through five years, yield |
1.80%
|
|
| Due after five years through ten years, amount |
$ 74,193
|
|
| Due after five years through ten years, yield |
1.03%
|
|
| Due after ten years, amount |
$ 79,938
|
|
| Due after ten years, yield |
3.37%
|
|
| Total, amount |
$ 239,336
|
|
| Total, yield |
1.90%
|
|
| Available-for-sale Securities, Debt Maturities, Fair Value, Fiscal Year Maturity [Abstract] |
|
|
| Due in one year or less, amount |
$ 38,563
|
|
| Due after one year through five years, amount |
48,790
|
|
| Due after five years though ten years, amount |
75,922
|
|
| Due after ten years, amount |
82,722
|
|
| Debt securities carried at fair value |
$ 245,997
|
|