v3.26.1
Guarantees and Product Warranty - Summary Of Product Warranty (Details) - USD ($)
$ in Millions
6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Change in product warranty liability balances    
Warranty liability, beginning of period $ 1,626 $ 1,700
Reduction in liability (payments) (403) (350)
Increase in liability (new warranties) 446 319
Warranty liability, end of period $ 1,669 $ 1,669