Investment Securities - Schedule of Contractual Maturities of Debt Securities (Details) - USD ($)
$ in Millions |
Jun. 30, 2025 |
Dec. 31, 2024 |
| Contractual Maturities Of Debt Investment Securities [Line Items] |
|
|
| Available for sale, under 1 year, amortized cost |
$ 13,209
|
|
| Available for sale, under 1 year, fair value |
13,208
|
|
| Available for sale, 1 to 5 years, amortized cost |
35,468
|
|
| Available for sale, 1 to 5 years, fair value |
35,598
|
|
| Available for sale, 6 to 10 years, amortized cost |
6,642
|
|
| Available for sale, 6 to 10 years, fair value |
6,625
|
|
| Available for sale, over 10 years, amortized cost |
15,233
|
|
| Available for sale, over 10 years, fair value |
15,172
|
|
| Available for sale, amortized cost |
70,552
|
$ 59,006
|
| Available for sale, fair value |
70,603
|
58,895
|
| Held to maturity, under 1 year, amortized cost |
4,776
|
|
| Held to maturity, under 1 year, fair value |
4,729
|
|
| Held to maturity, 1 to 5 years, amortized cost |
5,392
|
|
| Held to maturity, 1 to 5 years, fair value |
5,075
|
|
| Held to maturity, 6 to 10 years, amortized cost |
2,277
|
|
| Held to maturity, 6 to 10 years, fair value |
2,062
|
|
| Held to maturity, over 10 years, amortized cost |
30,841
|
|
| Held to maturity, over 10 years, fair value |
26,619
|
|
| Held to maturity, amortized cost |
43,286
|
47,727
|
| Investment securities held-to-maturity |
38,485
|
41,906
|
| Total U.S. Treasury and federal agencies |
|
|
| Contractual Maturities Of Debt Investment Securities [Line Items] |
|
|
| Available for sale, under 1 year, amortized cost |
8,348
|
|
| Available for sale, under 1 year, fair value |
8,343
|
|
| Available for sale, 1 to 5 years, amortized cost |
20,319
|
|
| Available for sale, 1 to 5 years, fair value |
20,304
|
|
| Available for sale, 6 to 10 years, amortized cost |
2,317
|
|
| Available for sale, 6 to 10 years, fair value |
2,296
|
|
| Available for sale, over 10 years, amortized cost |
10,807
|
|
| Available for sale, over 10 years, fair value |
10,735
|
|
| Available for sale, amortized cost |
41,791
|
34,238
|
| Available for sale, fair value |
41,678
|
34,091
|
| Held to maturity, under 1 year, amortized cost |
2,936
|
|
| Held to maturity, under 1 year, fair value |
2,911
|
|
| Held to maturity, 1 to 5 years, amortized cost |
3,487
|
|
| Held to maturity, 1 to 5 years, fair value |
3,186
|
|
| Held to maturity, 6 to 10 years, amortized cost |
1,708
|
|
| Held to maturity, 6 to 10 years, fair value |
1,497
|
|
| Held to maturity, over 10 years, amortized cost |
29,458
|
|
| Held to maturity, over 10 years, fair value |
25,260
|
|
| Held to maturity, amortized cost |
37,589
|
41,518
|
| Investment securities held-to-maturity |
32,854
|
35,788
|
| Direct obligations |
|
|
| Contractual Maturities Of Debt Investment Securities [Line Items] |
|
|
| Available for sale, under 1 year, amortized cost |
8,190
|
|
| Available for sale, under 1 year, fair value |
8,185
|
|
| Available for sale, 1 to 5 years, amortized cost |
18,554
|
|
| Available for sale, 1 to 5 years, fair value |
18,542
|
|
| Available for sale, 6 to 10 years, amortized cost |
84
|
|
| Available for sale, 6 to 10 years, fair value |
84
|
|
| Available for sale, over 10 years, amortized cost |
0
|
|
| Available for sale, over 10 years, fair value |
0
|
|
| Available for sale, amortized cost |
26,828
|
23,539
|
| Available for sale, fair value |
26,811
|
23,525
|
| Held to maturity, under 1 year, amortized cost |
2,787
|
|
| Held to maturity, under 1 year, fair value |
2,773
|
|
| Held to maturity, 1 to 5 years, amortized cost |
264
|
|
| Held to maturity, 1 to 5 years, fair value |
259
|
|
| Held to maturity, 6 to 10 years, amortized cost |
1
|
|
| Held to maturity, 6 to 10 years, fair value |
1
|
|
| Held to maturity, over 10 years, amortized cost |
7
|
|
| Held to maturity, over 10 years, fair value |
7
|
|
| Held to maturity, amortized cost |
3,059
|
5,417
|
| Investment securities held-to-maturity |
3,040
|
5,362
|
| Mortgage-backed securities |
|
|
| Contractual Maturities Of Debt Investment Securities [Line Items] |
|
|
| Available for sale, under 1 year, amortized cost |
158
|
|
| Available for sale, under 1 year, fair value |
158
|
|
| Available for sale, 1 to 5 years, amortized cost |
1,765
|
|
| Available for sale, 1 to 5 years, fair value |
1,762
|
|
| Available for sale, 6 to 10 years, amortized cost |
2,233
|
|
| Available for sale, 6 to 10 years, fair value |
2,212
|
|
| Available for sale, over 10 years, amortized cost |
10,807
|
|
| Available for sale, over 10 years, fair value |
10,735
|
|
| Available for sale, amortized cost |
14,963
|
10,699
|
| Available for sale, fair value |
14,867
|
10,566
|
| Held to maturity, under 1 year, amortized cost |
149
|
|
| Held to maturity, under 1 year, fair value |
138
|
|
| Held to maturity, 1 to 5 years, amortized cost |
3,223
|
|
| Held to maturity, 1 to 5 years, fair value |
2,927
|
|
| Held to maturity, 6 to 10 years, amortized cost |
1,707
|
|
| Held to maturity, 6 to 10 years, fair value |
1,496
|
|
| Held to maturity, over 10 years, amortized cost |
29,451
|
|
| Held to maturity, over 10 years, fair value |
25,253
|
|
| Held to maturity, amortized cost |
34,530
|
36,101
|
| Investment securities held-to-maturity |
29,814
|
30,426
|
| Total non-U.S. debt securities |
|
|
| Contractual Maturities Of Debt Investment Securities [Line Items] |
|
|
| Available for sale, under 1 year, amortized cost |
4,669
|
|
| Available for sale, under 1 year, fair value |
4,672
|
|
| Available for sale, 1 to 5 years, amortized cost |
14,918
|
|
| Available for sale, 1 to 5 years, fair value |
15,063
|
|
| Available for sale, 6 to 10 years, amortized cost |
2,605
|
|
| Available for sale, 6 to 10 years, fair value |
2,607
|
|
| Available for sale, over 10 years, amortized cost |
2,903
|
|
| Available for sale, over 10 years, fair value |
2,908
|
|
| Available for sale, amortized cost |
25,095
|
21,032
|
| Available for sale, fair value |
25,250
|
21,058
|
| Held to maturity, under 1 year, amortized cost |
1,702
|
|
| Held to maturity, under 1 year, fair value |
1,683
|
|
| Held to maturity, 1 to 5 years, amortized cost |
1,503
|
|
| Held to maturity, 1 to 5 years, fair value |
1,488
|
|
| Held to maturity, 6 to 10 years, amortized cost |
94
|
|
| Held to maturity, 6 to 10 years, fair value |
92
|
|
| Held to maturity, over 10 years, amortized cost |
0
|
|
| Held to maturity, over 10 years, fair value |
0
|
|
| Held to maturity, amortized cost |
3,299
|
3,673
|
| Investment securities held-to-maturity |
3,263
|
3,607
|
| Mortgage-backed securities |
|
|
| Contractual Maturities Of Debt Investment Securities [Line Items] |
|
|
| Available for sale, under 1 year, amortized cost |
179
|
|
| Available for sale, under 1 year, fair value |
179
|
|
| Available for sale, 1 to 5 years, amortized cost |
527
|
|
| Available for sale, 1 to 5 years, fair value |
528
|
|
| 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 |
2,298
|
|
| Available for sale, over 10 years, fair value |
2,302
|
|
| Available for sale, amortized cost |
3,004
|
2,426
|
| Available for sale, fair value |
3,009
|
2,430
|
| Asset-backed securities |
|
|
| Contractual Maturities Of Debt Investment Securities [Line Items] |
|
|
| Available for sale, under 1 year, amortized cost |
173
|
|
| Available for sale, under 1 year, fair value |
173
|
|
| Available for sale, 1 to 5 years, amortized cost |
441
|
|
| Available for sale, 1 to 5 years, fair value |
441
|
|
| Available for sale, 6 to 10 years, amortized cost |
1,239
|
|
| Available for sale, 6 to 10 years, fair value |
1,242
|
|
| Available for sale, over 10 years, amortized cost |
605
|
|
| Available for sale, over 10 years, fair value |
606
|
|
| Available for sale, amortized cost |
2,458
|
1,865
|
| Available for sale, fair value |
2,462
|
1,868
|
| 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 |
3,706
|
|
| Available for sale, under 1 year, fair value |
3,708
|
|
| Available for sale, 1 to 5 years, amortized cost |
11,441
|
|
| Available for sale, 1 to 5 years, fair value |
11,537
|
|
| Available for sale, 6 to 10 years, amortized cost |
1,266
|
|
| Available for sale, 6 to 10 years, fair value |
1,263
|
|
| Available for sale, over 10 years, amortized cost |
0
|
|
| Available for sale, over 10 years, fair value |
0
|
|
| Available for sale, amortized cost |
16,413
|
13,954
|
| Available for sale, fair value |
16,508
|
13,939
|
| Held to maturity, under 1 year, amortized cost |
1,702
|
|
| Held to maturity, under 1 year, fair value |
1,683
|
|
| Held to maturity, 1 to 5 years, amortized cost |
1,503
|
|
| Held to maturity, 1 to 5 years, fair value |
1,488
|
|
| Held to maturity, 6 to 10 years, amortized cost |
94
|
|
| Held to maturity, 6 to 10 years, fair value |
92
|
|
| Held to maturity, over 10 years, amortized cost |
0
|
|
| Held to maturity, over 10 years, fair value |
0
|
|
| Held to maturity, amortized cost |
3,299
|
3,673
|
| Investment securities held-to-maturity |
3,263
|
3,607
|
| Other |
|
|
| Contractual Maturities Of Debt Investment Securities [Line Items] |
|
|
| Available for sale, under 1 year, amortized cost |
611
|
|
| Available for sale, under 1 year, fair value |
612
|
|
| Available for sale, 1 to 5 years, amortized cost |
2,509
|
|
| Available for sale, 1 to 5 years, fair value |
2,557
|
|
| Available for sale, 6 to 10 years, amortized cost |
100
|
|
| Available for sale, 6 to 10 years, fair value |
102
|
|
| Available for sale, over 10 years, amortized cost |
0
|
|
| Available for sale, over 10 years, fair value |
0
|
|
| Available for sale, amortized cost |
3,220
|
2,787
|
| Available for sale, fair value |
3,271
|
2,821
|
| Total asset-backed securities |
|
|
| Contractual Maturities Of Debt Investment Securities [Line Items] |
|
|
| Available for sale, under 1 year, amortized cost |
185
|
|
| Available for sale, under 1 year, fair value |
186
|
|
| Available for sale, 1 to 5 years, amortized cost |
181
|
|
| Available for sale, 1 to 5 years, fair value |
182
|
|
| Available for sale, 6 to 10 years, amortized cost |
1,720
|
|
| Available for sale, 6 to 10 years, fair value |
1,722
|
|
| Available for sale, over 10 years, amortized cost |
1,523
|
|
| Available for sale, over 10 years, fair value |
1,529
|
|
| Available for sale, amortized cost |
3,609
|
3,627
|
| Available for sale, fair value |
3,619
|
3,638
|
| Held to maturity, under 1 year, amortized cost |
138
|
|
| Held to maturity, under 1 year, fair value |
135
|
|
| Held to maturity, 1 to 5 years, amortized cost |
402
|
|
| Held to maturity, 1 to 5 years, fair value |
401
|
|
| Held to maturity, 6 to 10 years, amortized cost |
475
|
|
| Held to maturity, 6 to 10 years, fair value |
473
|
|
| Held to maturity, over 10 years, amortized cost |
1,383
|
|
| Held to maturity, over 10 years, fair value |
1,359
|
|
| Held to maturity, amortized cost |
2,398
|
2,536
|
| Investment securities held-to-maturity |
2,368
|
2,511
|
| Student loans |
|
|
| Contractual Maturities Of Debt Investment Securities [Line Items] |
|
|
| Available for sale, under 1 year, amortized cost |
23
|
|
| Available for sale, under 1 year, fair value |
23
|
|
| 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 |
10
|
|
| Available for sale, 6 to 10 years, fair value |
10
|
|
| Available for sale, over 10 years, amortized cost |
51
|
|
| Available for sale, over 10 years, fair value |
51
|
|
| Available for sale, amortized cost |
84
|
89
|
| Available for sale, fair value |
84
|
90
|
| Held to maturity, under 1 year, amortized cost |
138
|
|
| Held to maturity, under 1 year, fair value |
135
|
|
| Held to maturity, 1 to 5 years, amortized cost |
402
|
|
| Held to maturity, 1 to 5 years, fair value |
401
|
|
| Held to maturity, 6 to 10 years, amortized cost |
475
|
|
| Held to maturity, 6 to 10 years, fair value |
473
|
|
| Held to maturity, over 10 years, amortized cost |
1,383
|
|
| Held to maturity, over 10 years, fair value |
1,359
|
|
| Held to maturity, amortized cost |
2,398
|
2,536
|
| Investment securities held-to-maturity |
2,368
|
2,511
|
| Collateralized loan obligations |
|
|
| Contractual Maturities Of Debt Investment Securities [Line Items] |
|
|
| Available for sale, under 1 year, amortized cost |
162
|
|
| Available for sale, under 1 year, fair value |
163
|
|
| Available for sale, 1 to 5 years, amortized cost |
91
|
|
| Available for sale, 1 to 5 years, fair value |
91
|
|
| Available for sale, 6 to 10 years, amortized cost |
1,710
|
|
| Available for sale, 6 to 10 years, fair value |
1,712
|
|
| Available for sale, over 10 years, amortized cost |
1,472
|
|
| Available for sale, over 10 years, fair value |
1,474
|
|
| Available for sale, amortized cost |
3,435
|
3,447
|
| Available for sale, fair value |
3,440
|
3,453
|
| Non-agency CMBS and RMBS |
|
|
| 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 |
0
|
|
| Available for sale, over 10 years, fair value |
4
|
|
| Available for sale, amortized cost |
0
|
1
|
| Available for sale, fair value |
4
|
4
|
| Other |
|
|
| 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 |
90
|
|
| Available for sale, 1 to 5 years, fair value |
91
|
|
| 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 |
4
|
|
| Available for sale, under 1 year, fair value |
4
|
|
| Available for sale, 1 to 5 years, amortized cost |
26
|
|
| Available for sale, 1 to 5 years, fair value |
26
|
|
| 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 |
30
|
56
|
| Available for sale, fair value |
30
|
56
|
| Other |
|
|
| Contractual Maturities Of Debt Investment Securities [Line Items] |
|
|
| Available for sale, under 1 year, amortized cost |
3
|
|
| Available for sale, under 1 year, fair value |
3
|
|
| Available for sale, 1 to 5 years, amortized cost |
24
|
|
| Available for sale, 1 to 5 years, fair value |
23
|
|
| 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 |
27
|
53
|
| Available for sale, fair value |
$ 26
|
$ 52
|