v3.26.1
Finance Receivables and Loans, Net - Schedule of Accounts, Notes, Loans and Financing Receivables (Details) - USD ($)
$ in Millions
Mar. 31, 2026
Dec. 31, 2025
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total finance receivables and loans $ 139,890 $ 137,454
Unamortized premiums and discounts and deferred fees and costs 2,500 2,400
Accrued interest receivable 790 800
Consumer    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total finance receivables and loans 101,973 101,140
Consumer | Consumer automotive    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total finance receivables and loans 86,662 85,568
Consumer | Consumer mortgage    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total finance receivables and loans 15,311 15,572
Interest-only mortgage loans 2 2
Commercial    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total finance receivables and loans 37,917 36,314
Commercial | Consumer automotive    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total finance receivables and loans 18,972 18,339
Commercial | Consumer mortgage    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total finance receivables and loans 7,852 7,666
Commercial | Other    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total finance receivables and loans $ 11,093 $ 10,309