v3.26.1
Loans and finance receivables (Detail) - USD ($)
$ in Millions
Mar. 31, 2026
Dec. 31, 2025
Mar. 31, 2025
Dec. 31, 2024
Receivables [Abstract]        
Loans and finance receivables before allowances and discounts $ 32,270 $ 31,997    
Allowances for credit losses (1,354) (1,347) $ (1,276) $ (1,134)
Unamortized acquisition discounts and points (815) (814)    
Loans and finance receivables $ 30,101 $ 29,836