INVESTMENT SECURITIES AND OTHER SECURITIES - Continuous Unrealized Loss Position (Details) - USD ($) $ in Millions |
Mar. 31, 2025 |
Dec. 31, 2024 |
Available-for-sale securities: |
|
|
Less than 12 Months, Fair Value |
$ 4,224
|
$ 4,726
|
Less than 12 Months, Gross Unrealized Losses |
(42)
|
(74)
|
Over 12 Months, Fair Value |
18,032
|
18,038
|
Over 12 Months, Gross Unrealized Losses |
(3,008)
|
(3,409)
|
Total, Fair Value |
22,256
|
22,764
|
Total, Gross Unrealized Losses |
(3,050)
|
(3,483)
|
Held-to-maturity securities: |
|
|
Less than 12 Months, Fair Value |
1,181
|
1,843
|
Less than 12 Months, Gross Unrealized Losses |
(8)
|
(25)
|
Over 12 Months, Fair Value |
11,468
|
11,495
|
Over 12 Months, Gross Unrealized Losses |
(1,979)
|
(2,260)
|
Total held-to-maturity securities |
12,649
|
13,338
|
Total, Gross Unrealized Losses |
(1,987)
|
(2,285)
|
U.S. Treasury |
|
|
Available-for-sale securities: |
|
|
Less than 12 Months, Fair Value |
1,975
|
3,153
|
Less than 12 Months, Gross Unrealized Losses |
(14)
|
(43)
|
Over 12 Months, Fair Value |
0
|
0
|
Over 12 Months, Gross Unrealized Losses |
0
|
0
|
Total, Fair Value |
1,975
|
3,153
|
Total, Gross Unrealized Losses |
(14)
|
(43)
|
Held-to-maturity securities: |
|
|
Less than 12 Months, Fair Value |
1,125
|
1,581
|
Less than 12 Months, Gross Unrealized Losses |
(7)
|
(22)
|
Over 12 Months, Fair Value |
0
|
0
|
Over 12 Months, Gross Unrealized Losses |
0
|
0
|
Total held-to-maturity securities |
1,125
|
1,581
|
Total, Gross Unrealized Losses |
(7)
|
(22)
|
Total U.S. Treasury, federal agency, and other agency securities |
|
|
Available-for-sale securities: |
|
|
Less than 12 Months, Fair Value |
2,875
|
3,692
|
Less than 12 Months, Gross Unrealized Losses |
(17)
|
(49)
|
Over 12 Months, Fair Value |
14,345
|
14,299
|
Over 12 Months, Gross Unrealized Losses |
(2,797)
|
(3,171)
|
Total, Fair Value |
17,220
|
17,991
|
Total, Gross Unrealized Losses |
(2,814)
|
(3,220)
|
Held-to-maturity securities: |
|
|
Less than 12 Months, Fair Value |
1,181
|
1,843
|
Less than 12 Months, Gross Unrealized Losses |
(8)
|
(25)
|
Over 12 Months, Fair Value |
11,467
|
11,494
|
Over 12 Months, Gross Unrealized Losses |
(1,979)
|
(2,260)
|
Total held-to-maturity securities |
12,648
|
13,337
|
Total, Gross Unrealized Losses |
(1,987)
|
(2,285)
|
Residential MBS |
|
|
Available-for-sale securities: |
|
|
Less than 12 Months, Fair Value |
215
|
275
|
Less than 12 Months, Gross Unrealized Losses |
(2)
|
(5)
|
Over 12 Months, Fair Value |
9,692
|
9,676
|
Over 12 Months, Gross Unrealized Losses |
(1,698)
|
(1,966)
|
Total, Fair Value |
9,907
|
9,951
|
Total, Gross Unrealized Losses |
(1,700)
|
(1,971)
|
Held-to-maturity securities: |
|
|
Less than 12 Months, Fair Value |
56
|
99
|
Less than 12 Months, Gross Unrealized Losses |
(1)
|
(2)
|
Over 12 Months, Fair Value |
7,084
|
7,097
|
Over 12 Months, Gross Unrealized Losses |
(1,155)
|
(1,334)
|
Total held-to-maturity securities |
7,140
|
7,196
|
Total, Gross Unrealized Losses |
(1,156)
|
(1,336)
|
Residential CMO |
|
|
Available-for-sale securities: |
|
|
Less than 12 Months, Fair Value |
665
|
243
|
Less than 12 Months, Gross Unrealized Losses |
(1)
|
(1)
|
Over 12 Months, Fair Value |
2,792
|
2,802
|
Over 12 Months, Gross Unrealized Losses |
(376)
|
(433)
|
Total, Fair Value |
3,457
|
3,045
|
Total, Gross Unrealized Losses |
(377)
|
(434)
|
Held-to-maturity securities: |
|
|
Less than 12 Months, Fair Value |
0
|
163
|
Less than 12 Months, Gross Unrealized Losses |
0
|
(1)
|
Over 12 Months, Fair Value |
3,142
|
3,152
|
Over 12 Months, Gross Unrealized Losses |
(610)
|
(690)
|
Total held-to-maturity securities |
3,142
|
3,315
|
Total, Gross Unrealized Losses |
(610)
|
(691)
|
Commercial MBS |
|
|
Available-for-sale securities: |
|
|
Less than 12 Months, Fair Value |
0
|
0
|
Less than 12 Months, Gross Unrealized Losses |
0
|
0
|
Over 12 Months, Fair Value |
1,795
|
1,752
|
Over 12 Months, Gross Unrealized Losses |
(719)
|
(767)
|
Total, Fair Value |
1,795
|
1,752
|
Total, Gross Unrealized Losses |
(719)
|
(767)
|
Held-to-maturity securities: |
|
|
Less than 12 Months, Fair Value |
0
|
0
|
Less than 12 Months, Gross Unrealized Losses |
0
|
0
|
Over 12 Months, Fair Value |
1,177
|
1,176
|
Over 12 Months, Gross Unrealized Losses |
(211)
|
(231)
|
Total held-to-maturity securities |
1,177
|
1,176
|
Total, Gross Unrealized Losses |
(211)
|
(231)
|
Other agencies |
|
|
Available-for-sale securities: |
|
|
Less than 12 Months, Fair Value |
20
|
21
|
Less than 12 Months, Gross Unrealized Losses |
0
|
0
|
Over 12 Months, Fair Value |
66
|
69
|
Over 12 Months, Gross Unrealized Losses |
(4)
|
(5)
|
Total, Fair Value |
86
|
90
|
Total, Gross Unrealized Losses |
(4)
|
(5)
|
Held-to-maturity securities: |
|
|
Less than 12 Months, Fair Value |
0
|
0
|
Less than 12 Months, Gross Unrealized Losses |
0
|
0
|
Over 12 Months, Fair Value |
64
|
69
|
Over 12 Months, Gross Unrealized Losses |
(3)
|
(5)
|
Total held-to-maturity securities |
64
|
69
|
Total, Gross Unrealized Losses |
(3)
|
(5)
|
Municipal securities |
|
|
Available-for-sale securities: |
|
|
Less than 12 Months, Fair Value |
1,349
|
985
|
Less than 12 Months, Gross Unrealized Losses |
(25)
|
(25)
|
Over 12 Months, Fair Value |
2,266
|
2,336
|
Over 12 Months, Gross Unrealized Losses |
(101)
|
(107)
|
Total, Fair Value |
3,615
|
3,321
|
Total, Gross Unrealized Losses |
(126)
|
(132)
|
Held-to-maturity securities: |
|
|
Less than 12 Months, Fair Value |
0
|
0
|
Less than 12 Months, Gross Unrealized Losses |
0
|
0
|
Over 12 Months, Fair Value |
1
|
1
|
Over 12 Months, Gross Unrealized Losses |
0
|
0
|
Total held-to-maturity securities |
1
|
1
|
Total, Gross Unrealized Losses |
0
|
0
|
Corporate debt |
|
|
Available-for-sale securities: |
|
|
Less than 12 Months, Fair Value |
0
|
0
|
Less than 12 Months, Gross Unrealized Losses |
0
|
0
|
Over 12 Months, Fair Value |
1,037
|
1,053
|
Over 12 Months, Gross Unrealized Losses |
(86)
|
(102)
|
Total, Fair Value |
1,037
|
1,053
|
Total, Gross Unrealized Losses |
(86)
|
(102)
|
Asset-backed securities |
|
|
Available-for-sale securities: |
|
|
Less than 12 Months, Fair Value |
0
|
49
|
Less than 12 Months, Gross Unrealized Losses |
0
|
0
|
Over 12 Months, Fair Value |
298
|
263
|
Over 12 Months, Gross Unrealized Losses |
(15)
|
(19)
|
Total, Fair Value |
298
|
312
|
Total, Gross Unrealized Losses |
(15)
|
(19)
|
Private-label CMO |
|
|
Available-for-sale securities: |
|
|
Less than 12 Months, Fair Value |
0
|
0
|
Less than 12 Months, Gross Unrealized Losses |
0
|
0
|
Over 12 Months, Fair Value |
86
|
87
|
Over 12 Months, Gross Unrealized Losses |
(9)
|
(10)
|
Total, Fair Value |
86
|
87
|
Total, Gross Unrealized Losses |
$ (9)
|
$ (10)
|