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FAIR VALUE MEASUREMENTS - Schedule of Fair Value Measurements (Details) - USD ($) $ in Millions | Dec. 31, 2024 | Dec. 31, 2023
--- | --- | ---
Assets |  |  |
Debt securities available for sale | [1] | $ 32,765 | $ 29,777
Loans held for sale at fair value |  | 825 | 676
Mortgage servicing rights |  | 1,491 | 1,552
Total derivative assets |  | 1,476 | 1,593
Equity securities, at fair value |  | 162 | 115
Short-term investments |  | 53 |
Total assets |  | 36,772 | 33,713
Liabilities |  |  |
Total derivative liabilities |  | 1,710 | 2,183
Short-term borrowed funds |  | 0 | 505
Other liabilities |  | 101 |
Total liabilities |  | 1,811 | 2,183
Equity securities, at fair value |  | 220 | 173
Interest rate contracts |  |  |
Assets |  |  |
Total derivative assets |  | 562 | 464
Liabilities |  |  |
Total derivative liabilities |  | 910 | 1,149
Foreign exchange contracts |  |  |
Assets |  |  |
Total derivative assets |  | 472 | 434
Liabilities |  |  |
Total derivative liabilities |  | 411 | 378
Commodities contracts |  |  |
Assets |  |  |
Total derivative assets |  | 429 | 685
Liabilities |  |  |
Total derivative liabilities |  | 379 | 640
TBA contracts |  |  |
Assets |  |  |
Total derivative assets |  | 10 | 3
Liabilities |  |  |
Total derivative liabilities |  | 8 | 16
Other contracts |  |  |
Assets |  |  |
Total derivative assets |  | 3 | 7
Liabilities |  |  |
Total derivative liabilities |  | 2 | 0
Level 1 |  |  |
Assets |  |  |
Debt securities available for sale |  | 3,525 | 4,380
Loans held for sale at fair value |  | 0 | 0
Total derivative assets |  | 0 | 0
Equity securities, at fair value |  | 162 | 115
Short-term investments |  | 40 |
Total assets |  | 3,727 | 4,495
Liabilities |  |  |
Total derivative liabilities |  | 0 | 0
Short-term borrowed funds |  | 0 | 0
Other liabilities |  | 0 |
Total liabilities |  | 0 | 0
Level 1 | Interest rate contracts |  |  |
Assets |  |  |
Total derivative assets |  | 0 | 0
Liabilities |  |  |
Total derivative liabilities |  | 0 | 0
Level 1 | Foreign exchange contracts |  |  |
Assets |  |  |
Total derivative assets |  | 0 | 0
Liabilities |  |  |
Total derivative liabilities |  | 0 | 0
Level 1 | Commodities contracts |  |  |
Assets |  |  |
Total derivative assets |  | 0 | 0
Liabilities |  |  |
Total derivative liabilities |  | 0 | 0
Level 1 | TBA contracts |  |  |
Assets |  |  |
Total derivative assets |  | 0 | 0
Liabilities |  |  |
Total derivative liabilities |  | 0 | 0
Level 1 | Other contracts |  |  |
Assets |  |  |
Total derivative assets |  | 0 | 0
Liabilities |  |  |
Total derivative liabilities |  | 0 | 0
Level 2 |  |  |
Assets |  |  |
Debt securities available for sale |  | 29,240 | 25,397
Loans held for sale at fair value |  | 825 | 676
Total derivative assets |  | 1,473 | 1,586
Equity securities, at fair value |  | 0 | 0
Short-term investments |  | 13 |
Total assets |  | 31,551 | 27,659
Liabilities |  |  |
Total derivative liabilities |  | 1,708 | 2,183
Short-term borrowed funds |  | 0 | 505
Other liabilities |  | 101 |
Total liabilities |  | 1,809 | 2,183
Level 2 | Interest rate contracts |  |  |
Assets |  |  |
Total derivative assets |  | 562 | 464
Liabilities |  |  |
Total derivative liabilities |  | 910 | 1,149
Level 2 | Foreign exchange contracts |  |  |
Assets |  |  |
Total derivative assets |  | 472 | 434
Liabilities |  |  |
Total derivative liabilities |  | 411 | 378
Level 2 | Commodities contracts |  |  |
Assets |  |  |
Total derivative assets |  | 429 | 685
Liabilities |  |  |
Total derivative liabilities |  | 379 | 640
Level 2 | TBA contracts |  |  |
Assets |  |  |
Total derivative assets |  | 10 | 3
Liabilities |  |  |
Total derivative liabilities |  | 8 | 16
Level 2 | Other contracts |  |  |
Assets |  |  |
Total derivative assets |  | 0 | 0
Liabilities |  |  |
Total derivative liabilities |  | 0 | 0
Level 3 |  |  |
Assets |  |  |
Debt securities available for sale |  | 0 | 0
Loans held for sale at fair value |  | 0 | 0
Total derivative assets |  | 3 | 7
Equity securities, at fair value |  | 0 | 0
Short-term investments |  | 0 |
Total assets |  | 1,494 | 1,559
Liabilities |  |  |
Total derivative liabilities |  | 2 | 0
Short-term borrowed funds |  | 0 | 0
Other liabilities |  | 0 |
Total liabilities |  | 2 | 0
Level 3 | Interest rate contracts |  |  |
Assets |  |  |
Total derivative assets |  | 0 | 0
Liabilities |  |  |
Total derivative liabilities |  | 0 | 0
Level 3 | Foreign exchange contracts |  |  |
Assets |  |  |
Total derivative assets |  | 0 | 0
Liabilities |  |  |
Total derivative liabilities |  | 0 | 0
Level 3 | Commodities contracts |  |  |
Assets |  |  |
Total derivative assets |  | 0 | 0
Liabilities |  |  |
Total derivative liabilities |  | 0 | 0
Level 3 | TBA contracts |  |  |
Assets |  |  |
Total derivative assets |  | 0 | 0
Liabilities |  |  |
Total derivative liabilities |  | 0 | 0
Level 3 | Other contracts |  |  |
Assets |  |  |
Total derivative assets |  | 3 | 7
Liabilities |  |  |
Total derivative liabilities |  | 2 | 0
Investments Measured at Net Asset Value |  |  |
Liabilities |  |  |
Equity securities, at fair value |  | 58 | 58
Unfunded capital commitments |  | 24 | 28
Total mortgage-backed securities |  |  |
Assets |  |  |
Debt securities available for sale |  | 29,055 | 24,732
Total mortgage-backed securities | Level 1 |  |  |
Assets |  |  |
Debt securities available for sale |  | 0 | 0
Total mortgage-backed securities | Level 2 |  |  |
Assets |  |  |
Debt securities available for sale |  | 29,055 | 24,732
Total mortgage-backed securities | Level 3 |  |  |
Assets |  |  |
Debt securities available for sale |  | 0 | 0
Collateralized loan obligations |  |  |
Assets |  |  |
Debt securities available for sale |  | 184 | 664
Collateralized loan obligations | Level 1 |  |  |
Assets |  |  |
Debt securities available for sale |  | 0 | 0
Collateralized loan obligations | Level 2 |  |  |
Assets |  |  |
Debt securities available for sale |  | 184 | 664
Collateralized loan obligations | Level 3 |  |  |
Assets |  |  |
Debt securities available for sale |  | 0 | 0
State and political subdivisions |  |  |
Assets |  |  |
Debt securities available for sale |  | 1 | 1
State and political subdivisions | Level 1 |  |  |
Assets |  |  |
Debt securities available for sale |  | 0 | 0
State and political subdivisions | Level 2 |  |  |
Assets |  |  |
Debt securities available for sale |  | 1 | 1
State and political subdivisions | Level 3 |  |  |
Assets |  |  |
Debt securities available for sale |  | 0 | 0
U.S. Treasury and other |  |  |
Assets |  |  |
Debt securities available for sale |  | 3,525 | 4,380
U.S. Treasury and other | Level 1 |  |  |
Assets |  |  |
Debt securities available for sale |  | 3,525 | 4,380
U.S. Treasury and other | Level 2 |  |  |
Assets |  |  |
Debt securities available for sale |  | 0 | 0
U.S. Treasury and other | Level 3 |  |  |
Assets |  |  |
Debt securities available for sale |  | 0 | 0
Residential loans held for sale |  |  |
Assets |  |  |
Loans held for sale at fair value |  | 633 | 614
Residential loans held for sale | Level 1 |  |  |
Assets |  |  |
Loans held for sale at fair value |  | 0 | 0
Residential loans held for sale | Level 2 |  |  |
Assets |  |  |
Loans held for sale at fair value |  | 633 | 614
Residential loans held for sale | Level 3 |  |  |
Assets |  |  |
Loans held for sale at fair value |  | 0 | 0
Commercial loans held for sale |  |  |
Assets |  |  |
Loans held for sale at fair value |  | 192 | 62
Commercial loans held for sale | Level 1 |  |  |
Assets |  |  |
Loans held for sale at fair value |  | 0 | 0
Commercial loans held for sale | Level 2 |  |  |
Assets |  |  |
Loans held for sale at fair value |  | 192 | 62
Commercial loans held for sale | Level 3 |  |  |
Assets |  |  |
Loans held for sale at fair value |  | 0 | 0
Mortgage Servicing Rights |  |  |
Assets |  |  |
Mortgage servicing rights |  | 1,491 | 1,552
Mortgage Servicing Rights | Level 1 |  |  |
Assets |  |  |
Mortgage servicing rights |  | 0 | 0
Mortgage Servicing Rights | Level 2 |  |  |
Assets |  |  |
Mortgage servicing rights |  | 0 | 0
Mortgage Servicing Rights | Level 3 |  |  |
Assets |  |  |
Mortgage servicing rights |  | $ 1,491 | $ 1,552
[1] | Includes only collateral pledged by the Company where counterparties have the right to sell or pledge the collateral.

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