v3.26.1
FAIR VALUE MEASUREMENTS - Schedule of Financial Instruments not Recorded at Fair Value (Details) - USD ($)
$ in Millions
Jun. 30, 2026
Dec. 31, 2025
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Debt securities held to maturity, carrying value [1] $ 7,638 $ 7,933
Debt securities held to maturity, fair value 6,784 7,150
Loans held for sale, carrying value 389 133
Loans held for sale, fair value 389 133
Net loans and leases [2] 145,522 140,749
Net loans and leases, fair value 146,418 140,131
Other assets, carrying value 991 807
Other assets, fair value 991 807
Deposits, carrying value 185,620 183,313
Deposits, fair value 185,558 183,277
Short-term borrowed funds 698 6
Short-term borrowed funds, fair value 698 6
Long-term borrowed funds [2] 15,190 11,224
Long-term borrowed funds, fair value 15,007 11,472
Cash-related financial instruments not recorded at fair value in the consolidated balance sheet 13,400 13,600
Level 1    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Debt securities held to maturity, carrying value 0 0
Debt securities held to maturity, fair value 0 0
Loans held for sale, carrying value 0 0
Loans held for sale, fair value 0 0
Net loans and leases 0 0
Net loans and leases, fair value 0 0
Other assets, carrying value 0 0
Other assets, fair value 0 0
Deposits, carrying value 0 0
Deposits, fair value 0 0
Short-term borrowed funds 0 0
Short-term borrowed funds, fair value 0 0
Long-term borrowed funds 0 0
Long-term borrowed funds, fair value 0 0
Level 2    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Debt securities held to maturity, carrying value 7,343 7,595
Debt securities held to maturity, fair value 6,491 6,812
Loans held for sale, carrying value 0 0
Loans held for sale, fair value 0 0
Net loans and leases 471 437
Net loans and leases, fair value 471 437
Other assets, carrying value 943 768
Other assets, fair value 943 768
Deposits, carrying value 185,620 183,313
Deposits, fair value 185,558 183,277
Short-term borrowed funds 698 6
Short-term borrowed funds, fair value 698 6
Long-term borrowed funds 15,190 11,224
Long-term borrowed funds, fair value 15,007 11,472
Level 3    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Debt securities held to maturity, carrying value 295 338
Debt securities held to maturity, fair value 293 338
Loans held for sale, carrying value 389 133
Loans held for sale, fair value 389 133
Net loans and leases 145,051 140,312
Net loans and leases, fair value 145,947 139,694
Other assets, carrying value 48 39
Other assets, fair value 48 39
Deposits, carrying value 0 0
Deposits, fair value 0 0
Short-term borrowed funds 0 0
Short-term borrowed funds, fair value 0 0
Long-term borrowed funds 0 0
Long-term borrowed funds, fair value $ 0 $ 0
[1] Includes only collateral pledged by the Company where counterparties have the right to sell or pledge the collateral.
[2] Includes amounts in consolidated VIEs. See Note 6 for additional information.