v3.26.1
Guarantees and Product Warranty - Summary Of Product Warranty (Details) - USD ($)
$ in Millions
3 Months Ended
Mar. 31, 2026
Mar. 31, 2025
Change in product warranty liability balances    
Warranty liability, beginning of period $ 1,626 $ 1,700
Reduction in liability (payments) (202) (166)
Increase in liability (new warranties) 174 103
Warranty liability, end of period $ 1,598 $ 1,637