Investment Securities - Schedule of Contractual Maturities of Debt Securities (Details) - USD ($)
$ in Millions |
Jun. 30, 2026 |
Dec. 31, 2025 |
| Contractual Maturities Of Debt Investment Securities [Line Items] |
|
|
| Available for sale, under 1 year, amortized cost |
$ 8,211
|
|
| Available for sale, under 1 year, fair value |
8,217
|
|
| Available for sale, 1 to 5 years, amortized cost |
41,013
|
|
| Available for sale, 1 to 5 years, fair value |
41,035
|
|
| Available for sale, 6 to 10 years, amortized cost |
3,606
|
|
| Available for sale, 6 to 10 years, fair value |
3,605
|
|
| Available for sale, over 10 years, amortized cost |
19,412
|
|
| Available for sale, over 10 years, fair value |
19,440
|
|
| Available for sale, amortized cost |
72,242
|
$ 66,973
|
| Available for sale, fair value |
72,297
|
67,154
|
| Held to maturity, under 1 year, amortized cost |
1,076
|
|
| Held to maturity, under 1 year, fair value |
1,056
|
|
| Held to maturity, 1 to 5 years, amortized cost |
5,661
|
|
| Held to maturity, 1 to 5 years, fair value |
5,251
|
|
| Held to maturity, 6 to 10 years, amortized cost |
2,002
|
|
| Held to maturity, 6 to 10 years, fair value |
1,883
|
|
| Held to maturity, over 10 years, amortized cost |
26,551
|
|
| Held to maturity, over 10 years, fair value |
22,914
|
|
| Held to maturity, amortized cost |
35,290
|
38,171
|
| Investment securities held-to-maturity |
31,104
|
34,166
|
| Total U.S. Treasury and federal agencies |
|
|
| Contractual Maturities Of Debt Investment Securities [Line Items] |
|
|
| Available for sale, under 1 year, amortized cost |
3,586
|
|
| Available for sale, under 1 year, fair value |
3,587
|
|
| Available for sale, 1 to 5 years, amortized cost |
22,641
|
|
| Available for sale, 1 to 5 years, fair value |
22,661
|
|
| Available for sale, 6 to 10 years, amortized cost |
540
|
|
| Available for sale, 6 to 10 years, fair value |
536
|
|
| Available for sale, over 10 years, amortized cost |
14,604
|
|
| Available for sale, over 10 years, fair value |
14,630
|
|
| Available for sale, amortized cost |
41,371
|
38,760
|
| Available for sale, fair value |
41,414
|
38,846
|
| Held to maturity, under 1 year, amortized cost |
523
|
|
| Held to maturity, under 1 year, fair value |
506
|
|
| Held to maturity, 1 to 5 years, amortized cost |
4,127
|
|
| Held to maturity, 1 to 5 years, fair value |
3,739
|
|
| Held to maturity, 6 to 10 years, amortized cost |
1,601
|
|
| Held to maturity, 6 to 10 years, fair value |
1,482
|
|
| Held to maturity, over 10 years, amortized cost |
25,434
|
|
| Held to maturity, over 10 years, fair value |
21,814
|
|
| Held to maturity, amortized cost |
31,685
|
33,449
|
| Investment securities held-to-maturity |
27,541
|
29,490
|
| Direct obligations |
|
|
| Contractual Maturities Of Debt Investment Securities [Line Items] |
|
|
| Available for sale, under 1 year, amortized cost |
3,520
|
|
| Available for sale, under 1 year, fair value |
3,521
|
|
| Available for sale, 1 to 5 years, amortized cost |
20,882
|
|
| Available for sale, 1 to 5 years, fair value |
20,910
|
|
| Available for sale, 6 to 10 years, amortized cost |
26
|
|
| Available for sale, 6 to 10 years, fair value |
26
|
|
| Available for sale, over 10 years, amortized cost |
0
|
|
| Available for sale, over 10 years, fair value |
0
|
|
| Available for sale, amortized cost |
24,428
|
23,210
|
| Available for sale, fair value |
24,457
|
23,260
|
| Held to maturity, under 1 year, amortized cost |
244
|
|
| Held to maturity, under 1 year, fair value |
244
|
|
| Held to maturity, 1 to 5 years, amortized cost |
25
|
|
| Held to maturity, 1 to 5 years, fair value |
23
|
|
| Held to maturity, 6 to 10 years, amortized cost |
0
|
|
| Held to maturity, 6 to 10 years, fair value |
0
|
|
| Held to maturity, over 10 years, amortized cost |
6
|
|
| Held to maturity, over 10 years, fair value |
6
|
|
| Held to maturity, amortized cost |
275
|
573
|
| Investment securities held-to-maturity |
273
|
570
|
| Mortgage-backed securities |
|
|
| Contractual Maturities Of Debt Investment Securities [Line Items] |
|
|
| Available for sale, under 1 year, amortized cost |
66
|
|
| Available for sale, under 1 year, fair value |
66
|
|
| Available for sale, 1 to 5 years, amortized cost |
1,759
|
|
| Available for sale, 1 to 5 years, fair value |
1,751
|
|
| Available for sale, 6 to 10 years, amortized cost |
514
|
|
| Available for sale, 6 to 10 years, fair value |
510
|
|
| Available for sale, over 10 years, amortized cost |
14,604
|
|
| Available for sale, over 10 years, fair value |
14,630
|
|
| Available for sale, amortized cost |
16,943
|
15,550
|
| Available for sale, fair value |
16,957
|
15,586
|
| Held to maturity, under 1 year, amortized cost |
279
|
|
| Held to maturity, under 1 year, fair value |
262
|
|
| Held to maturity, 1 to 5 years, amortized cost |
4,102
|
|
| Held to maturity, 1 to 5 years, fair value |
3,716
|
|
| Held to maturity, 6 to 10 years, amortized cost |
1,601
|
|
| Held to maturity, 6 to 10 years, fair value |
1,482
|
|
| Held to maturity, over 10 years, amortized cost |
25,428
|
|
| Held to maturity, over 10 years, fair value |
21,808
|
|
| Held to maturity, amortized cost |
31,410
|
32,876
|
| Investment securities held-to-maturity |
27,268
|
28,920
|
| Total non-U.S. debt securities |
|
|
| Contractual Maturities Of Debt Investment Securities [Line Items] |
|
|
| Available for sale, under 1 year, amortized cost |
4,408
|
|
| Available for sale, under 1 year, fair value |
4,412
|
|
| Available for sale, 1 to 5 years, amortized cost |
18,372
|
|
| Available for sale, 1 to 5 years, fair value |
18,374
|
|
| Available for sale, 6 to 10 years, amortized cost |
1,836
|
|
| Available for sale, 6 to 10 years, fair value |
1,838
|
|
| Available for sale, over 10 years, amortized cost |
3,061
|
|
| Available for sale, over 10 years, fair value |
3,062
|
|
| Available for sale, amortized cost |
27,677
|
25,131
|
| Available for sale, fair value |
27,686
|
25,220
|
| Held to maturity, under 1 year, amortized cost |
485
|
|
| Held to maturity, under 1 year, fair value |
484
|
|
| Held to maturity, 1 to 5 years, amortized cost |
1,051
|
|
| Held to maturity, 1 to 5 years, fair value |
1,028
|
|
| Held to maturity, 6 to 10 years, amortized cost |
43
|
|
| Held to maturity, 6 to 10 years, fair value |
42
|
|
| Held to maturity, over 10 years, amortized cost |
0
|
|
| Held to maturity, over 10 years, fair value |
0
|
|
| Held to maturity, amortized cost |
1,579
|
2,461
|
| Investment securities held-to-maturity |
1,554
|
2,434
|
| Mortgage-backed securities |
|
|
| Contractual Maturities Of Debt Investment Securities [Line Items] |
|
|
| Available for sale, under 1 year, amortized cost |
166
|
|
| Available for sale, under 1 year, fair value |
166
|
|
| Available for sale, 1 to 5 years, amortized cost |
372
|
|
| Available for sale, 1 to 5 years, fair value |
372
|
|
| Available for sale, 6 to 10 years, amortized cost |
14
|
|
| Available for sale, 6 to 10 years, fair value |
14
|
|
| Available for sale, over 10 years, amortized cost |
2,138
|
|
| Available for sale, over 10 years, fair value |
2,139
|
|
| Available for sale, amortized cost |
2,690
|
2,573
|
| Available for sale, fair value |
2,691
|
2,578
|
| Asset-backed securities |
|
|
| Contractual Maturities Of Debt Investment Securities [Line Items] |
|
|
| Available for sale, under 1 year, amortized cost |
22
|
|
| Available for sale, under 1 year, fair value |
22
|
|
| Available for sale, 1 to 5 years, amortized cost |
323
|
|
| Available for sale, 1 to 5 years, fair value |
323
|
|
| Available for sale, 6 to 10 years, amortized cost |
1,323
|
|
| Available for sale, 6 to 10 years, fair value |
1,326
|
|
| Available for sale, over 10 years, amortized cost |
923
|
|
| Available for sale, over 10 years, fair value |
923
|
|
| Available for sale, amortized cost |
2,591
|
2,081
|
| Available for sale, fair value |
2,594
|
2,085
|
| Non-U.S. sovereign, supranational and non-U.S. agency |
|
|
| Contractual Maturities Of Debt Investment Securities [Line Items] |
|
|
| Available for sale, under 1 year, amortized cost |
3,463
|
|
| Available for sale, under 1 year, fair value |
3,464
|
|
| Available for sale, 1 to 5 years, amortized cost |
15,794
|
|
| Available for sale, 1 to 5 years, fair value |
15,777
|
|
| Available for sale, 6 to 10 years, amortized cost |
398
|
|
| Available for sale, 6 to 10 years, fair value |
398
|
|
| Available for sale, over 10 years, amortized cost |
0
|
|
| Available for sale, over 10 years, fair value |
0
|
|
| Available for sale, amortized cost |
19,655
|
17,693
|
| Available for sale, fair value |
19,639
|
17,731
|
| Held to maturity, under 1 year, amortized cost |
485
|
|
| Held to maturity, under 1 year, fair value |
484
|
|
| Held to maturity, 1 to 5 years, amortized cost |
1,051
|
|
| Held to maturity, 1 to 5 years, fair value |
1,028
|
|
| Held to maturity, 6 to 10 years, amortized cost |
43
|
|
| Held to maturity, 6 to 10 years, fair value |
42
|
|
| Held to maturity, over 10 years, amortized cost |
0
|
|
| Held to maturity, over 10 years, fair value |
0
|
|
| Held to maturity, amortized cost |
1,579
|
2,461
|
| Investment securities held-to-maturity |
1,554
|
2,434
|
| Other |
|
|
| Contractual Maturities Of Debt Investment Securities [Line Items] |
|
|
| Available for sale, under 1 year, amortized cost |
757
|
|
| Available for sale, under 1 year, fair value |
760
|
|
| Available for sale, 1 to 5 years, amortized cost |
1,883
|
|
| Available for sale, 1 to 5 years, fair value |
1,902
|
|
| Available for sale, 6 to 10 years, amortized cost |
101
|
|
| Available for sale, 6 to 10 years, fair value |
100
|
|
| Available for sale, over 10 years, amortized cost |
0
|
|
| Available for sale, over 10 years, fair value |
0
|
|
| Available for sale, amortized cost |
2,741
|
2,784
|
| Available for sale, fair value |
2,762
|
2,826
|
| Total asset-backed securities |
|
|
| Contractual Maturities Of Debt Investment Securities [Line Items] |
|
|
| Available for sale, under 1 year, amortized cost |
192
|
|
| Available for sale, under 1 year, fair value |
193
|
|
| Available for sale, 1 to 5 years, amortized cost |
0
|
|
| Available for sale, 1 to 5 years, fair value |
0
|
|
| Available for sale, 6 to 10 years, amortized cost |
1,230
|
|
| Available for sale, 6 to 10 years, fair value |
1,231
|
|
| Available for sale, over 10 years, amortized cost |
1,747
|
|
| Available for sale, over 10 years, fair value |
1,748
|
|
| Available for sale, amortized cost |
3,169
|
3,057
|
| Available for sale, fair value |
3,172
|
3,063
|
| Held to maturity, under 1 year, amortized cost |
68
|
|
| Held to maturity, under 1 year, fair value |
66
|
|
| Held to maturity, 1 to 5 years, amortized cost |
483
|
|
| Held to maturity, 1 to 5 years, fair value |
484
|
|
| Held to maturity, 6 to 10 years, amortized cost |
358
|
|
| Held to maturity, 6 to 10 years, fair value |
359
|
|
| Held to maturity, over 10 years, amortized cost |
1,117
|
|
| Held to maturity, over 10 years, fair value |
1,100
|
|
| Held to maturity, amortized cost |
2,026
|
2,261
|
| Investment securities held-to-maturity |
2,009
|
2,242
|
| Student loans |
|
|
| Contractual Maturities Of Debt Investment Securities [Line Items] |
|
|
| Available for sale, under 1 year, amortized cost |
0
|
|
| Available for sale, under 1 year, fair value |
0
|
|
| Available for sale, 1 to 5 years, amortized cost |
0
|
|
| Available for sale, 1 to 5 years, fair value |
0
|
|
| Available for sale, 6 to 10 years, amortized cost |
0
|
|
| Available for sale, 6 to 10 years, fair value |
0
|
|
| Available for sale, over 10 years, amortized cost |
36
|
|
| Available for sale, over 10 years, fair value |
36
|
|
| Available for sale, amortized cost |
36
|
63
|
| Available for sale, fair value |
36
|
64
|
| Held to maturity, under 1 year, amortized cost |
68
|
|
| Held to maturity, under 1 year, fair value |
66
|
|
| Held to maturity, 1 to 5 years, amortized cost |
483
|
|
| Held to maturity, 1 to 5 years, fair value |
484
|
|
| Held to maturity, 6 to 10 years, amortized cost |
358
|
|
| Held to maturity, 6 to 10 years, fair value |
359
|
|
| Held to maturity, over 10 years, amortized cost |
1,117
|
|
| Held to maturity, over 10 years, fair value |
1,100
|
|
| Held to maturity, amortized cost |
2,026
|
2,261
|
| Investment securities held-to-maturity |
2,009
|
2,242
|
| Collateralized loan obligations |
|
|
| Contractual Maturities Of Debt Investment Securities [Line Items] |
|
|
| Available for sale, under 1 year, amortized cost |
102
|
|
| Available for sale, under 1 year, fair value |
102
|
|
| Available for sale, 1 to 5 years, amortized cost |
0
|
|
| Available for sale, 1 to 5 years, fair value |
0
|
|
| Available for sale, 6 to 10 years, amortized cost |
1,230
|
|
| Available for sale, 6 to 10 years, fair value |
1,231
|
|
| Available for sale, over 10 years, amortized cost |
1,711
|
|
| Available for sale, over 10 years, fair value |
1,712
|
|
| Available for sale, amortized cost |
3,043
|
2,904
|
| Available for sale, fair value |
3,045
|
2,905
|
| Non-agency CMBS and RMBS |
|
|
| Contractual Maturities Of Debt Investment Securities [Line Items] |
|
|
| Available for sale, amortized cost |
0
|
0
|
| Available for sale, fair value |
0
|
3
|
| Other |
|
|
| Contractual Maturities Of Debt Investment Securities [Line Items] |
|
|
| Available for sale, under 1 year, amortized cost |
90
|
|
| Available for sale, under 1 year, fair value |
91
|
|
| Available for sale, 1 to 5 years, amortized cost |
0
|
|
| Available for sale, 1 to 5 years, fair value |
0
|
|
| Available for sale, 6 to 10 years, amortized cost |
0
|
|
| Available for sale, 6 to 10 years, fair value |
0
|
|
| Available for sale, over 10 years, amortized cost |
0
|
|
| Available for sale, over 10 years, fair value |
0
|
|
| Available for sale, amortized cost |
90
|
90
|
| Available for sale, fair value |
91
|
91
|
| State and political subdivisions |
|
|
| Contractual Maturities Of Debt Investment Securities [Line Items] |
|
|
| Available for sale, under 1 year, amortized cost |
25
|
|
| Available for sale, under 1 year, fair value |
25
|
|
| Available for sale, 1 to 5 years, amortized cost |
0
|
|
| Available for sale, 1 to 5 years, fair value |
0
|
|
| Available for sale, 6 to 10 years, amortized cost |
0
|
|
| Available for sale, 6 to 10 years, fair value |
0
|
|
| Available for sale, over 10 years, amortized cost |
0
|
|
| Available for sale, over 10 years, fair value |
0
|
|
| Available for sale, amortized cost |
25
|
25
|
| Available for sale, fair value |
$ 25
|
25
|
| Other |
|
|
| Contractual Maturities Of Debt Investment Securities [Line Items] |
|
|
| Available for sale, fair value |
|
$ 0
|