Securities - Maturities of Debt Securities Carried at Fair Value and Held-to-maturity Debt Securities (Details) - USD ($)
$ in Millions |
Mar. 31, 2021 |
Dec. 31, 2020 |
| Debt Securities, Held-to-maturity, Maturity, Amortized Cost, Net [Abstract] |
|
|
| Due in one year or less, amount |
$ 49
|
|
| Due in one year or less, yield |
2.02%
|
|
| Due after one year through five years, amount |
$ 625
|
|
| Due after one year through five years, yield |
2.42%
|
|
| Due after five years through ten years, amount |
$ 61,566
|
|
| Due after five years though ten years, yield |
1.27%
|
|
| Due after ten years, amount |
$ 513,791
|
|
| Due after ten years, yield |
2.23%
|
|
| Amortized cost |
$ 576,031
|
$ 438,279
|
| Total, yield |
2.13%
|
|
| Available-for-sale Securities, Debt Maturities, Fair Value, Fiscal Year Maturity [Abstract] |
|
|
| Fair Value |
$ 280,912
|
246,601
|
| Held-to-maturity Securities, Debt Maturities, Fair Value [Abstract] |
|
|
| Due in one year or less, amount |
49
|
|
| Due after one year through five years, amount |
656
|
|
| Due after five years though ten years, amount |
58,043
|
|
| Due after ten years, amount |
510,510
|
|
| Held-to-maturity, fair value |
569,258
|
$ 448,180
|
| 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 |
3.12%
|
|
| Due after one year through five years, amount |
$ 7,865
|
|
| Due after one year through five years, yield |
2.51%
|
|
| Due after five years through ten years, amount |
$ 7,061
|
|
| Due after five years through ten years, yield |
2.20%
|
|
| Due after ten years, amount |
$ 59,660
|
|
| Due after ten years, yield |
3.39%
|
|
| Total, amount |
$ 74,612
|
|
| Total, yield |
3.18%
|
|
| Available-for-sale Securities, Debt Maturities, Fair Value, Fiscal Year Maturity [Abstract] |
|
|
| Due in one year or less, amount |
$ 27
|
|
| Due after one year through five years, amount |
8,300
|
|
| Due after five years though ten years, amount |
7,388
|
|
| Due after ten years, amount |
61,976
|
|
| Fair Value |
77,691
|
|
| 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 |
$ 6
|
|
| Due after one year through five years, yield |
5.14%
|
|
| Due after five years through ten years, amount |
$ 54
|
|
| Due after five years through ten years, yield |
4.46%
|
|
| Due after ten years, amount |
$ 52,335
|
|
| Due after ten years, yield |
3.36%
|
|
| Total, amount |
$ 52,395
|
|
| 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 |
6
|
|
| Due after five years though ten years, amount |
58
|
|
| Due after ten years, amount |
54,470
|
|
| Fair Value |
54,534
|
|
| 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 |
$ 23
|
|
| Due after five years through ten years, yield |
2.48%
|
|
| Due after ten years, amount |
$ 4,595
|
|
| Due after ten years, yield |
2.93%
|
|
| Total, amount |
$ 4,618
|
|
| Total, yield |
2.93%
|
|
| 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 |
24
|
|
| Due after ten years, amount |
4,709
|
|
| Fair Value |
4,733
|
|
| 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 |
3.12%
|
|
| Due after one year through five years, amount |
$ 7,859
|
|
| Due after one year through five years, yield |
2.51%
|
|
| Due after five years through ten years, amount |
$ 6,984
|
|
| Due after five years through ten years, yield |
2.18%
|
|
| Due after ten years, amount |
$ 1,157
|
|
| Due after ten years, yield |
2.53%
|
|
| Total, amount |
$ 16,026
|
|
| Total, yield |
2.37%
|
|
| Available-for-sale Securities, Debt Maturities, Fair Value, Fiscal Year Maturity [Abstract] |
|
|
| Due in one year or less, amount |
$ 27
|
|
| Due after one year through five years, amount |
8,294
|
|
| Due after five years though ten years, amount |
7,300
|
|
| Due after ten years, amount |
1,192
|
|
| Fair Value |
16,813
|
|
| 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 |
$ 0
|
|
| Due after five years through ten years, yield |
0.00%
|
|
| Due after ten years, amount |
$ 1,573
|
|
| Due after ten years, yield |
6.55%
|
|
| Total, amount |
$ 1,573
|
|
| Total, yield |
6.55%
|
|
| 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 |
6
|
|
| Due after ten years, amount |
1,605
|
|
| Fair Value |
1,611
|
|
| 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 |
$ 6,886
|
|
| Due in one year or less, yield |
1.19%
|
|
| Due after one year through five years, amount |
$ 28,191
|
|
| Due after one year through five years, yield |
1.88%
|
|
| Due after five years through ten years, amount |
$ 123,796
|
|
| Due after five years through ten years, yield |
0.79%
|
|
| Due after ten years, amount |
$ 32
|
|
| Due after ten years, yield |
2.54%
|
|
| Total, amount |
$ 158,905
|
|
| Total, yield |
1.00%
|
|
| Available-for-sale Securities, Debt Maturities, Fair Value, Fiscal Year Maturity [Abstract] |
|
|
| Due in one year or less, amount |
$ 6,918
|
|
| Due after one year through five years, amount |
29,464
|
|
| Due after five years though ten years, amount |
124,159
|
|
| Due after ten years, amount |
33
|
|
| Fair Value |
160,574
|
|
| Non-U.S. securities |
|
|
| Available-for-sale Securities, Debt Maturities, Amortized Cost Basis, Fiscal Year Maturity [Abstract] |
|
|
| Due in one year or less, amount |
$ 22,288
|
|
| Due in one year or less, yield |
0.34%
|
|
| Due after one year through five years, amount |
$ 1,365
|
|
| Due after one year through five years, yield |
1.51%
|
|
| Due after five years through ten years, amount |
$ 1
|
|
| Due after five years through ten years, yield |
3.56%
|
|
| Due after ten years, amount |
$ 167
|
|
| Due after ten years, yield |
5.29%
|
|
| Total, amount |
$ 23,821
|
|
| Total, yield |
0.44%
|
|
| Available-for-sale Securities, Debt Maturities, Fair Value, Fiscal Year Maturity [Abstract] |
|
|
| Due in one year or less, amount |
$ 22,209
|
|
| Due after one year through five years, amount |
1,373
|
|
| Due after five years though ten years, amount |
1
|
|
| Due after ten years, amount |
162
|
|
| Fair Value |
23,745
|
|
| 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 |
$ 990
|
|
| Due in one year or less, yield |
1.19%
|
|
| Due after one year through five years, amount |
$ 903
|
|
| Due after one year through five years, yield |
2.98%
|
|
| Due after five years through ten years, amount |
$ 370
|
|
| Due after five years through ten years, yield |
2.20%
|
|
| Due after ten years, amount |
$ 256
|
|
| Due after ten years, yield |
1.66%
|
|
| Total, amount |
$ 2,519
|
|
| Total, yield |
2.03%
|
|
| Available-for-sale Securities, Debt Maturities, Fair Value, Fiscal Year Maturity [Abstract] |
|
|
| Due in one year or less, amount |
$ 992
|
|
| Due after one year through five years, amount |
937
|
|
| Due after five years though ten years, amount |
375
|
|
| Due after ten years, amount |
257
|
|
| Fair Value |
2,561
|
|
| Total taxable securities |
|
|
| Available-for-sale Securities, Debt Maturities, Amortized Cost Basis, Fiscal Year Maturity [Abstract] |
|
|
| Due in one year or less, amount |
$ 30,190
|
|
| Due in one year or less, yield |
0.56%
|
|
| Due after one year through five years, amount |
$ 38,324
|
|
| Due after one year through five years, yield |
2.03%
|
|
| Due after five years through ten years, amount |
$ 131,228
|
|
| Due after five years through ten years, yield |
0.87%
|
|
| Due after ten years, amount |
$ 60,115
|
|
| Due after ten years, yield |
3.39%
|
|
| Total, amount |
$ 259,857
|
|
| Total, yield |
1.60%
|
|
| Available-for-sale Securities, Debt Maturities, Fair Value, Fiscal Year Maturity [Abstract] |
|
|
| Due in one year or less, amount |
$ 30,146
|
|
| Due after one year through five years, amount |
40,074
|
|
| Due after five years though ten years, amount |
131,923
|
|
| Due after ten years, amount |
62,428
|
|
| Fair Value |
264,571
|
|
| Tax-exempt securities |
|
|
| Available-for-sale Securities, Debt Maturities, Amortized Cost Basis, Fiscal Year Maturity [Abstract] |
|
|
| Due in one year or less, amount |
$ 1,302
|
|
| Due in one year or less, yield |
0.92%
|
|
| Due after one year through five years, amount |
$ 8,131
|
|
| Due after one year through five years, yield |
1.28%
|
|
| Due after five years through ten years, amount |
$ 4,038
|
|
| Due after five years through ten years, yield |
1.73%
|
|
| Due after ten years, amount |
$ 2,552
|
|
| Due after ten years, yield |
1.32%
|
|
| Total, amount |
$ 16,023
|
|
| Total, yield |
1.37%
|
|
| Available-for-sale Securities, Debt Maturities, Fair Value, Fiscal Year Maturity [Abstract] |
|
|
| Due in one year or less, amount |
$ 1,306
|
|
| Due after one year through five years, amount |
8,252
|
|
| Due after five years though ten years, amount |
4,191
|
|
| Due after ten years, amount |
2,592
|
|
| Fair Value |
16,341
|
|
| Debt securities |
|
|
| Available-for-sale Securities, Debt Maturities, Amortized Cost Basis, Fiscal Year Maturity [Abstract] |
|
|
| Due in one year or less, amount |
$ 31,492
|
|
| Due in one year or less, yield |
0.57%
|
|
| Due after one year through five years, amount |
$ 46,455
|
|
| Due after one year through five years, yield |
1.89%
|
|
| Due after five years through ten years, amount |
$ 135,266
|
|
| Due after five years through ten years, yield |
0.90%
|
|
| Due after ten years, amount |
$ 62,667
|
|
| Due after ten years, yield |
3.31%
|
|
| Total, amount |
$ 275,880
|
|
| Total, yield |
1.57%
|
|
| Available-for-sale Securities, Debt Maturities, Fair Value, Fiscal Year Maturity [Abstract] |
|
|
| Due in one year or less, amount |
$ 31,452
|
|
| Due after one year through five years, amount |
48,326
|
|
| Due after five years though ten years, amount |
136,114
|
|
| Due after ten years, amount |
65,020
|
|
| Fair Value |
$ 280,912
|
|