v3.25.4
Reserves for Credit Losses - Change in Receivables Reserve (Details) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Financing Receivable, Allowance for Credit Loss [Roll Forward]      
Provisions $ 5,256 $ 5,185 $ 4,923
Card Member receivables      
Financing Receivable, Allowance for Credit Loss [Roll Forward]      
Beginning Balance 171 174 229
Provisions 751 774 880
Net write-offs (745) (773) (937)
Other 3 (4) 2
Ending Balance 180 171 174
Recoveries 297 304 297
Card Member receivables | Foreign Currency Translation Adjustments      
Financing Receivable, Allowance for Credit Loss [Roll Forward]      
Foreign currency translation adjustments (3) 4 (1)
Other loans      
Financing Receivable, Allowance for Credit Loss [Roll Forward]      
Beginning Balance 194 126 59
Provisions 335 256 174
Net write-offs (242) (207)  
Other 1 (1) 0
Ending Balance 323 194 126
Other loans | Principal      
Financing Receivable, Allowance for Credit Loss [Roll Forward]      
Net write-offs (198) (180) (104)
Recoveries 34 20 14
Other loans | Interest and fees      
Financing Receivable, Allowance for Credit Loss [Roll Forward]      
Net write-offs $ (9) $ (7) $ (3)