v3.26.3
Guarantees and Product Warranty - Summary Of Product Warranty (Details) - USD ($)
$ in Millions
9 Months Ended
Sep. 30, 2026
Sep. 30, 2025
Change in product warranty liability balances    
Warranty liability, beginning of period $ 1,626 $ 1,700
Reduction in liability (payments) (640) (613)
Increase in liability (new warranties) 808 564
Warranty liability, end of period $ 1,794 $ 1,651