v3.26.3
Loan Receivables and Allowance for Credit Losses - Allowance for Credit Losses (Details) - USD ($)
$ in Millions
 3 Months Ended 9 Months Ended
Sep. 30, 2026
Sep. 30, 2025
Sep. 30, 2026
Sep. 30, 2025
Financing Receivable, Allowance for Credit Loss [Roll Forward]        
Beginning Balance $ 10,312 $ 10,564 $ 10,442 $ 10,929
Provision for credit losses 1,265 1,101 3,798 3,735
Gross charge-offs 1,652 1,674 5,226 5,440
Recoveries 416 376 1,280 1,143
Other 0 6 47 6
Ending Balance 10,341 10,373 10,341 10,373
Credit cards        
Financing Receivable, Allowance for Credit Loss [Roll Forward]        
Beginning Balance 9,610 9,906 9,789 10,259
Provision for credit losses 1,195 964 3,485 3,377
Gross charge-offs 1,532 1,553 4,827 5,049
Recoveries 399 356 1,225 1,086
Other 0 6 0 6
Ending Balance 9,672 9,679 9,672 9,679
Consumer installment loans        
Financing Receivable, Allowance for Credit Loss [Roll Forward]        
Beginning Balance 491 545 543 542
Provision for credit losses 55 102 182 275
Gross charge-offs 84 91 295 293
Recoveries 13 17 45 49
Other 0 0 0 0
Ending Balance 475 573 475 573
Commercial credit products        
Financing Receivable, Allowance for Credit Loss [Roll Forward]        
Beginning Balance 210 112 109 127
Provision for credit losses 15 34 131 82
Gross charge-offs 36 29 104 97
Recoveries 4 3 10 8
Other 0 0 47 0
Ending Balance 193 120 193 120
Other        
Financing Receivable, Allowance for Credit Loss [Roll Forward]        
Beginning Balance 1 1 1 1
Provision for credit losses 0 1 0 1
Gross charge-offs 0 1 0 1
Recoveries 0 0 0 0
Other 0 0 0 0
Ending Balance $ 1 $ 1 $ 1 $ 1