INVESTMENT SECURITIES AND OTHER SECURITIES - Continuous Unrealized Loss Position (Details) - USD ($) $ in Millions |
Sep. 30, 2024 |
Dec. 31, 2023 |
Available-for-sale securities: |
|
|
Less than 12 months, fair value |
$ 1,389
|
$ 1,375
|
Less than 12 months, gross unrealized losses |
(9)
|
(28)
|
12 months or longer, fair value |
20,311
|
20,381
|
12 months or longer, gross unrealized losses |
(2,793)
|
(3,317)
|
Total, fair value |
21,700
|
21,756
|
Total, gross unrealized losses |
(2,802)
|
(3,345)
|
Held-to-maturity securities: |
|
|
Less than 12 months, fair value |
554
|
156
|
Less than 12 months, gross unrealized losses |
(1)
|
(1)
|
12 months or longer, fair value |
12,325
|
13,030
|
12 months or longer, gross unrealized losses |
(1,750)
|
(2,038)
|
Total held-to-maturity securities |
12,879
|
13,186
|
Total, gross unrealized losses |
(1,751)
|
(2,039)
|
U.S. Treasury |
|
|
Available-for-sale securities: |
|
|
Less than 12 months, fair value |
885
|
|
Less than 12 months, gross unrealized losses |
(2)
|
|
12 months or longer, fair value |
0
|
|
12 months or longer, gross unrealized losses |
0
|
|
Total, fair value |
885
|
|
Total, gross unrealized losses |
(2)
|
|
Held-to-maturity securities: |
|
|
Less than 12 months, fair value |
554
|
|
Less than 12 months, gross unrealized losses |
(1)
|
|
12 months or longer, fair value |
0
|
|
12 months or longer, gross unrealized losses |
0
|
|
Total held-to-maturity securities |
554
|
|
Total, gross unrealized losses |
(1)
|
|
Total U.S. Treasury, federal agency, and other agency securities |
|
|
Available-for-sale securities: |
|
|
Less than 12 months, fair value |
885
|
750
|
Less than 12 months, gross unrealized losses |
(2)
|
(9)
|
12 months or longer, fair value |
15,340
|
15,462
|
12 months or longer, gross unrealized losses |
(2,493)
|
(2,890)
|
Total, fair value |
16,225
|
16,212
|
Total, gross unrealized losses |
(2,495)
|
(2,899)
|
Held-to-maturity securities: |
|
|
Less than 12 months, fair value |
554
|
156
|
Less than 12 months, gross unrealized losses |
(1)
|
(1)
|
12 months or longer, fair value |
12,324
|
13,030
|
12 months or longer, gross unrealized losses |
(1,749)
|
(2,038)
|
Total held-to-maturity securities |
12,878
|
13,186
|
Total, gross unrealized losses |
(1,750)
|
(2,039)
|
Residential CMO |
|
|
Available-for-sale securities: |
|
|
Less than 12 months, fair value |
0
|
543
|
Less than 12 months, gross unrealized losses |
0
|
(7)
|
12 months or longer, fair value |
2,977
|
2,641
|
12 months or longer, gross unrealized losses |
(341)
|
(401)
|
Total, fair value |
2,977
|
3,184
|
Total, gross unrealized losses |
(341)
|
(408)
|
Held-to-maturity securities: |
|
|
Less than 12 months, fair value |
0
|
156
|
Less than 12 months, gross unrealized losses |
0
|
(1)
|
12 months or longer, fair value |
3,366
|
3,542
|
12 months or longer, gross unrealized losses |
(570)
|
(663)
|
Total held-to-maturity securities |
3,366
|
3,698
|
Total, gross unrealized losses |
(570)
|
(664)
|
Residential MBS |
|
|
Available-for-sale securities: |
|
|
Less than 12 months, fair value |
0
|
207
|
Less than 12 months, gross unrealized losses |
0
|
(2)
|
12 months or longer, fair value |
10,422
|
10,913
|
12 months or longer, gross unrealized losses |
(1,497)
|
(1,774)
|
Total, fair value |
10,422
|
11,120
|
Total, gross unrealized losses |
(1,497)
|
(1,776)
|
Held-to-maturity securities: |
|
|
Less than 12 months, fair value |
0
|
0
|
Less than 12 months, gross unrealized losses |
0
|
0
|
12 months or longer, fair value |
7,646
|
8,108
|
12 months or longer, gross unrealized losses |
(983)
|
(1,145)
|
Total held-to-maturity securities |
7,646
|
8,108
|
Total, gross unrealized losses |
(983)
|
(1,145)
|
Commercial MBS |
|
|
Available-for-sale securities: |
|
|
Less than 12 months, fair value |
0
|
0
|
Less than 12 months, gross unrealized losses |
0
|
0
|
12 months or longer, fair value |
1,870
|
1,827
|
12 months or longer, gross unrealized losses |
(651)
|
(709)
|
Total, fair value |
1,870
|
1,827
|
Total, gross unrealized losses |
(651)
|
(709)
|
Held-to-maturity securities: |
|
|
Less than 12 months, fair value |
0
|
0
|
Less than 12 months, gross unrealized losses |
0
|
0
|
12 months or longer, fair value |
1,236
|
1,285
|
12 months or longer, gross unrealized losses |
(192)
|
(224)
|
Total held-to-maturity securities |
1,236
|
1,285
|
Total, gross unrealized losses |
(192)
|
(224)
|
Other agencies |
|
|
Available-for-sale securities: |
|
|
Less than 12 months, fair value |
0
|
0
|
Less than 12 months, gross unrealized losses |
0
|
0
|
12 months or longer, fair value |
71
|
81
|
12 months or longer, gross unrealized losses |
(4)
|
(6)
|
Total, fair value |
71
|
81
|
Total, gross unrealized losses |
(4)
|
(6)
|
Held-to-maturity securities: |
|
|
Less than 12 months, fair value |
0
|
0
|
Less than 12 months, gross unrealized losses |
0
|
0
|
12 months or longer, fair value |
76
|
95
|
12 months or longer, gross unrealized losses |
(4)
|
(6)
|
Total held-to-maturity securities |
76
|
95
|
Total, gross unrealized losses |
(4)
|
(6)
|
Municipal securities |
|
|
Available-for-sale securities: |
|
|
Less than 12 months, fair value |
504
|
625
|
Less than 12 months, gross unrealized losses |
(7)
|
(19)
|
12 months or longer, fair value |
2,536
|
2,496
|
12 months or longer, gross unrealized losses |
(105)
|
(146)
|
Total, fair value |
3,040
|
3,121
|
Total, gross unrealized losses |
(112)
|
(165)
|
Held-to-maturity securities: |
|
|
Less than 12 months, fair value |
0
|
|
Less than 12 months, gross unrealized losses |
0
|
|
12 months or longer, fair value |
1
|
|
12 months or longer, gross unrealized losses |
(1)
|
|
Total held-to-maturity securities |
1
|
|
Total, gross unrealized losses |
(1)
|
|
Private-label CMO |
|
|
Available-for-sale securities: |
|
|
Less than 12 months, fair value |
0
|
0
|
Less than 12 months, gross unrealized losses |
0
|
0
|
12 months or longer, fair value |
92
|
99
|
12 months or longer, gross unrealized losses |
(8)
|
(12)
|
Total, fair value |
92
|
99
|
Total, gross unrealized losses |
(8)
|
(12)
|
Asset-backed securities |
|
|
Available-for-sale securities: |
|
|
Less than 12 months, fair value |
0
|
0
|
Less than 12 months, gross unrealized losses |
0
|
0
|
12 months or longer, fair value |
272
|
281
|
12 months or longer, gross unrealized losses |
(17)
|
(31)
|
Total, fair value |
272
|
281
|
Total, gross unrealized losses |
(17)
|
(31)
|
Corporate debt |
|
|
Available-for-sale securities: |
|
|
Less than 12 months, fair value |
0
|
0
|
Less than 12 months, gross unrealized losses |
0
|
0
|
12 months or longer, fair value |
2,071
|
2,043
|
12 months or longer, gross unrealized losses |
(170)
|
(238)
|
Total, fair value |
2,071
|
2,043
|
Total, gross unrealized losses |
$ (170)
|
$ (238)
|