v3.26.3
Finance Receivables - Narrative (Details) - USD ($)
$ in Millions
3 Months Ended 9 Months Ended
Sep. 30, 2026
Sep. 30, 2025
Sep. 30, 2026
Sep. 30, 2025
Dec. 31, 2025
Accounts, Notes, Loans and Financing Receivable [Line Items]          
Whole loan sale flow agreement, loans committed to sell $ 1,500   $ 1,500    
Whole loan sale flow agreement, commitment period     2 years    
Proceeds from sale of gross finance receivables 361 $ 258 $ 1,100 $ 773  
Gain on sale of financing receivables 16 $ 17 49 $ 50  
Unused credit card lines $ 821   $ 821   $ 500
Credit Cards          
Accounts, Notes, Loans and Financing Receivable [Line Items]          
Threshold period past due 180 days   180 days    
Unlikely to be Collected Financing Receivable | Total Consumer Loans          
Accounts, Notes, Loans and Financing Receivable [Line Items]          
Threshold period past due 60 days   60 days    
Nonperforming Financial Instruments | Total Consumer Loans          
Accounts, Notes, Loans and Financing Receivable [Line Items]          
Threshold period past due 90 days   90 days    
Minimum | Personal Loans          
Accounts, Notes, Loans and Financing Receivable [Line Items]          
Finance receivables, original term     3 years    
Minimum | Auto Finance          
Accounts, Notes, Loans and Financing Receivable [Line Items]          
Finance receivables, original term     3 years    
Maximum | Personal Loans          
Accounts, Notes, Loans and Financing Receivable [Line Items]          
Finance receivables, original term     6 years    
Maximum | Auto Finance          
Accounts, Notes, Loans and Financing Receivable [Line Items]          
Finance receivables, original term     6 years