FAIR VALUES OF ASSETS AND LIABILITIES - Level 3 Roll Forward (Details) - USD ($) $ in Millions |
3 Months Ended |
6 Months Ended |
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Jun. 30, 2026 |
Jun. 30, 2025 |
Jun. 30, 2026 |
Jun. 30, 2025 |
Mar. 31, 2026 |
Dec. 31, 2025 |
Mar. 31, 2025 |
Dec. 31, 2024 |
| Level 3 Assets Roll Forward: |
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|
| Transfers into Level 3 |
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|
$ 0
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| Transfers out of Level 3 |
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|
(28)
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| Derivative instruments |
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| Opening balance |
$ 9
|
$ 7
|
9
|
$ 7
|
$ 6
|
$ 3
|
$ 3
|
$ 2
|
| Transfers into Level 3 |
0
|
0
|
|
0
|
|
|
|
|
| Transfers out of Level 3 |
(15)
|
(10)
|
|
(17)
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|
| Included in earnings |
|
0
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|
$ 0
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|
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| Included in earnings, location |
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|
Interest and Dividend Income, Operating
|
|
|
|
|
| Included in OCI |
0
|
0
|
0
|
$ 0
|
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|
|
|
| Purchases/originations |
0
|
0
|
0
|
0
|
|
|
|
|
| Repayments |
0
|
0
|
0
|
0
|
|
|
|
|
| Settlements |
1
|
3
|
3
|
6
|
|
|
|
|
| Closing balance |
9
|
7
|
9
|
7
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|
| Change in unrealized gains (losses) for the period included in earnings for assets held at end of the reporting date |
3
|
2
|
4
|
5
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| Mortgage banking income |
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| Derivative instruments |
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| Included in earnings |
$ 17
|
$ 12
|
30
|
22
|
|
|
|
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| Included in earnings, location |
Noninterest income
|
Noninterest income
|
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|
|
|
|
| Other noninterest income |
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|
|
|
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| Derivative instruments |
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|
|
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| Included in earnings |
|
$ (1)
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|
(6)
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| Included in earnings, location |
|
Noninterest income
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| Cadence |
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| Derivative instruments |
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| Purchases/originations |
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1
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| MSRs |
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| Level 3 Assets Roll Forward: |
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| Opening balance |
$ 735
|
$ 564
|
593
|
573
|
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|
|
| Transfers into Level 3 |
0
|
0
|
0
|
0
|
|
|
|
|
| Transfers out of Level 3 |
0
|
0
|
0
|
0
|
|
|
|
|
| Total gains (losses) for the period: |
|
|
|
|
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|
|
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| Included in earnings |
|
$ 0
|
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$ 0
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|
|
|
| Included in earnings, location |
|
Interest and Dividend Income, Operating
|
|
Interest and Dividend Income, Operating
|
|
|
|
|
| Included in OCI |
0
|
$ 0
|
0
|
$ 0
|
|
|
|
|
| Purchases/originations |
40
|
20
|
68
|
40
|
|
|
|
|
| Repayments |
0
|
0
|
0
|
0
|
|
|
|
|
| Settlements |
(24)
|
(17)
|
(45)
|
(31)
|
|
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|
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| Closing balance |
752
|
567
|
752
|
567
|
735
|
593
|
564
|
573
|
| Change in unrealized gains (losses) for the period included in earnings for assets held at end of the reporting date |
1
|
0
|
(4)
|
(15)
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|
| MSRs | Mortgage banking income |
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|
|
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|
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|
| Total gains (losses) for the period: |
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|
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| Included in earnings |
$ 1
|
$ 0
|
$ (4)
|
$ (15)
|
|
|
|
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| Included in earnings, location |
Noninterest income
|
Noninterest income
|
Noninterest income
|
Noninterest income
|
|
|
|
|
| MSRs | Other noninterest income |
|
|
|
|
|
|
|
|
| Total gains (losses) for the period: |
|
|
|
|
|
|
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| Included in earnings |
|
$ 0
|
|
$ 0
|
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|
|
| Included in earnings, location |
|
Noninterest income
|
|
Noninterest income
|
|
|
|
|
| MSRs | Cadence |
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| Total gains (losses) for the period: |
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| Purchases/originations |
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|
$ 140
|
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|
| Municipal securities |
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| Level 3 Assets Roll Forward: |
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| Opening balance |
$ 4,251
|
$ 3,929
|
4,061
|
$ 3,954
|
|
|
|
|
| Transfers into Level 3 |
0
|
0
|
0
|
0
|
|
|
|
|
| Transfers out of Level 3 |
0
|
0
|
0
|
0
|
|
|
|
|
| Total gains (losses) for the period: |
|
|
|
|
|
|
|
|
| Included in earnings |
|
$ (1)
|
|
$ (1)
|
|
|
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|
| Included in earnings, location |
|
Interest and Dividend Income, Operating
|
|
Interest and Dividend Income, Operating
|
|
|
|
|
| Included in OCI |
(6)
|
$ 12
|
(32)
|
$ 17
|
|
|
|
|
| Purchases/originations |
663
|
421
|
989
|
639
|
|
|
|
|
| Repayments |
0
|
0
|
0
|
0
|
|
|
|
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| Settlements |
(343)
|
(294)
|
(453)
|
(542)
|
|
|
|
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| Closing balance |
4,565
|
4,067
|
4,565
|
4,067
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4,251
|
4,061
|
3,929
|
3,954
|
| Change in unrealized gains (losses) for the period included in earnings for assets held at end of the reporting date |
(8)
|
10
|
(34)
|
14
|
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|
|
| Municipal securities | Mortgage banking income |
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|
|
|
|
|
|
|
| Total gains (losses) for the period: |
|
|
|
|
|
|
|
|
| Included in earnings |
$ 0
|
$ 0
|
$ 0
|
$ 0
|
|
|
|
|
| Included in earnings, location |
Noninterest income
|
Noninterest income
|
Noninterest income
|
Noninterest income
|
|
|
|
|
| Municipal securities | Other noninterest income |
|
|
|
|
|
|
|
|
| Total gains (losses) for the period: |
|
|
|
|
|
|
|
|
| Included in earnings |
|
$ 0
|
|
$ 0
|
|
|
|
|
| Included in earnings, location |
|
Noninterest income
|
|
Noninterest income
|
|
|
|
|
| Municipal securities | Cadence |
|
|
|
|
|
|
|
|
| Total gains (losses) for the period: |
|
|
|
|
|
|
|
|
| Purchases/originations |
|
|
$ 0
|
|
|
|
|
|
| Private-label CMO |
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|
|
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|
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| Level 3 Assets Roll Forward: |
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|
|
|
|
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| Opening balance |
$ 20
|
$ 22
|
19
|
$ 21
|
|
|
|
|
| Transfers into Level 3 |
0
|
0
|
0
|
0
|
|
|
|
|
| Transfers out of Level 3 |
0
|
0
|
0
|
0
|
|
|
|
|
| Total gains (losses) for the period: |
|
|
|
|
|
|
|
|
| Included in earnings |
|
$ 0
|
|
$ 0
|
|
|
|
|
| Included in earnings, location |
|
Interest and Dividend Income, Operating
|
|
Interest and Dividend Income, Operating
|
|
|
|
|
| Included in OCI |
0
|
$ 0
|
0
|
$ 0
|
|
|
|
|
| Purchases/originations |
0
|
0
|
0
|
|
|
|
|
|
| Repayments |
0
|
0
|
0
|
0
|
|
|
|
|
| Settlements |
0
|
(1)
|
1
|
0
|
|
|
|
|
| Closing balance |
20
|
21
|
20
|
21
|
20
|
19
|
22
|
21
|
| Change in unrealized gains (losses) for the period included in earnings for assets held at end of the reporting date |
0
|
0
|
0
|
0
|
|
|
|
|
| Private-label CMO | Mortgage banking income |
|
|
|
|
|
|
|
|
| Total gains (losses) for the period: |
|
|
|
|
|
|
|
|
| Included in earnings |
$ 0
|
$ 0
|
$ 0
|
$ 0
|
|
|
|
|
| Included in earnings, location |
Noninterest income
|
Noninterest income
|
Noninterest income
|
Noninterest income
|
|
|
|
|
| Private-label CMO | Other noninterest income |
|
|
|
|
|
|
|
|
| Total gains (losses) for the period: |
|
|
|
|
|
|
|
|
| Included in earnings |
|
$ 0
|
|
$ 0
|
|
|
|
|
| Included in earnings, location |
|
Noninterest income
|
|
Noninterest income
|
|
|
|
|
| Private-label CMO | Cadence |
|
|
|
|
|
|
|
|
| Total gains (losses) for the period: |
|
|
|
|
|
|
|
|
| Purchases/originations |
|
|
$ 0
|
|
|
|
|
|
| Asset-backed securities |
|
|
|
|
|
|
|
|
| Level 3 Assets Roll Forward: |
|
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|
|
|
|
|
|
| Opening balance |
$ 19
|
$ 47
|
28
|
$ 49
|
|
|
|
|
| Transfers into Level 3 |
0
|
0
|
0
|
0
|
|
|
|
|
| Transfers out of Level 3 |
0
|
0
|
0
|
0
|
|
|
|
|
| Total gains (losses) for the period: |
|
|
|
|
|
|
|
|
| Included in earnings |
|
$ 0
|
|
$ 0
|
|
|
|
|
| Included in earnings, location |
|
Interest and Dividend Income, Operating
|
|
Interest and Dividend Income, Operating
|
|
|
|
|
| Included in OCI |
0
|
$ 0
|
0
|
$ 0
|
|
|
|
|
| Purchases/originations |
24
|
0
|
24
|
|
|
|
|
|
| Repayments |
0
|
0
|
0
|
0
|
|
|
|
|
| Settlements |
0
|
(9)
|
(9)
|
(11)
|
|
|
|
|
| Closing balance |
43
|
38
|
43
|
38
|
19
|
28
|
47
|
49
|
| Change in unrealized gains (losses) for the period included in earnings for assets held at end of the reporting date |
0
|
0
|
0
|
0
|
|
|
|
|
| Asset-backed securities | Mortgage banking income |
|
|
|
|
|
|
|
|
| Total gains (losses) for the period: |
|
|
|
|
|
|
|
|
| Included in earnings |
$ 0
|
$ 0
|
$ 0
|
$ 0
|
|
|
|
|
| Included in earnings, location |
Noninterest income
|
Noninterest income
|
Noninterest income
|
Noninterest income
|
|
|
|
|
| Asset-backed securities | Other noninterest income |
|
|
|
|
|
|
|
|
| Total gains (losses) for the period: |
|
|
|
|
|
|
|
|
| Included in earnings |
|
$ 0
|
|
$ 0
|
|
|
|
|
| Included in earnings, location |
|
Noninterest income
|
|
Noninterest income
|
|
|
|
|
| Asset-backed securities | Cadence |
|
|
|
|
|
|
|
|
| Total gains (losses) for the period: |
|
|
|
|
|
|
|
|
| Purchases/originations |
|
|
$ 0
|
|
|
|
|
|
| Loans held for investment |
|
|
|
|
|
|
|
|
| Level 3 Assets Roll Forward: |
|
|
|
|
|
|
|
|
| Opening balance |
$ 61
|
$ 63
|
62
|
$ 61
|
|
|
|
|
| Transfers into Level 3 |
3
|
1
|
4
|
4
|
|
|
|
|
| Transfers out of Level 3 |
0
|
0
|
0
|
0
|
|
|
|
|
| Total gains (losses) for the period: |
|
|
|
|
|
|
|
|
| Included in earnings |
|
$ 0
|
|
$ 0
|
|
|
|
|
| Included in earnings, location |
|
Interest and Dividend Income, Operating
|
|
Interest and Dividend Income, Operating
|
|
|
|
|
| Included in OCI |
0
|
$ 0
|
0
|
$ 0
|
|
|
|
|
| Purchases/originations |
0
|
0
|
0
|
0
|
|
|
|
|
| Repayments |
(2)
|
(2)
|
(4)
|
(3)
|
|
|
|
|
| Settlements |
0
|
0
|
0
|
0
|
|
|
|
|
| Closing balance |
62
|
62
|
62
|
62
|
$ 61
|
$ 62
|
$ 63
|
$ 61
|
| Change in unrealized gains (losses) for the period included in earnings for assets held at end of the reporting date |
0
|
0
|
0
|
0
|
|
|
|
|
| Loans held for investment | Mortgage banking income |
|
|
|
|
|
|
|
|
| Total gains (losses) for the period: |
|
|
|
|
|
|
|
|
| Included in earnings |
$ 0
|
$ 0
|
$ 0
|
$ 0
|
|
|
|
|
| Included in earnings, location |
Noninterest income
|
Noninterest income
|
Noninterest income
|
Noninterest income
|
|
|
|
|
| Loans held for investment | Other noninterest income |
|
|
|
|
|
|
|
|
| Total gains (losses) for the period: |
|
|
|
|
|
|
|
|
| Included in earnings |
|
$ 0
|
|
$ 0
|
|
|
|
|
| Included in earnings, location |
|
Noninterest income
|
|
Noninterest income
|
|
|
|
|
| Loans held for investment | Cadence |
|
|
|
|
|
|
|
|
| Total gains (losses) for the period: |
|
|
|
|
|
|
|
|
| Purchases/originations |
|
|
$ 0
|
|
|
|
|
|