v3.25.4
GOODWILL AND INTANGIBLE ASSETS - Components of Intangible Assets (Details) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Finite and Indefinite-lived Intangible Assets      
Gross carrying amount of Intangible assets (excluding MSRs) $ 10,477 $ 10,454  
Accumulated amortization of Intangible assets (excluding MSRs) 6,952 6,720  
Net carrying amount of intangible assets (excluding MSRs) 3,525 3,734  
Gross carrying amount, Mortgage servicing rights (MSRs) 759 760  
Mortgage servicing rights (MSRs) 759 760  
Gross carrying amount of Intangible assets 11,236 11,214  
Accumulated amortization of intangible assets 6,952 6,720  
Total intangible assets 4,284 4,494  
Intangible assets amortization expense 245 371 $ 370
Finite-Lived Intangible Assets, Net, Amortization Expense, Fiscal Year Maturity [Abstract]      
Expected amortization next year 235    
Expected amortization in two years 226    
Expected amortization in three years 215    
Expected amortization in four years 183    
Expected amortization in five years 143    
Indefinite-lived intangible assets      
Finite and Indefinite-lived Intangible Assets      
Gross carrying amount of Intangible assets (excluding MSRs) 227 197  
Net carrying amount of intangible assets (excluding MSRs) 227 197  
Purchased credit card relationships      
Finite and Indefinite-lived Intangible Assets      
Gross carrying amount of Intangible assets (excluding MSRs) 5,315 5,315  
Accumulated amortization of Intangible assets (excluding MSRs) 4,639 4,507  
Net carrying amount of intangible assets (excluding MSRs) 676 808  
Credit card contract related intangibles      
Finite and Indefinite-lived Intangible Assets      
Gross carrying amount of Intangible assets (excluding MSRs) 4,579 4,586  
Accumulated amortization of Intangible assets (excluding MSRs) 1,987 1,905  
Net carrying amount of intangible assets (excluding MSRs) 2,592 2,681  
Other customer relationships      
Finite and Indefinite-lived Intangible Assets      
Gross carrying amount of Intangible assets (excluding MSRs) 321 325  
Accumulated amortization of Intangible assets (excluding MSRs) 291 278  
Net carrying amount of intangible assets (excluding MSRs) 30 47  
Present value of future profits      
Finite and Indefinite-lived Intangible Assets      
Gross carrying amount of Intangible assets (excluding MSRs) 35 31  
Accumulated amortization of Intangible assets (excluding MSRs) 35 30  
Net carrying amount of intangible assets (excluding MSRs) $ 0 $ 1