v3.26.1
Guarantees (Product Warranties) (Details) - USD ($)
$ in Millions
6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Movement in Standard and Extended Product Warranty Accrual, Increase (Decrease) [Roll Forward]    
Balance as of January 1 $ 1,035 $ 993
Warranties and performance guarantees issued 118 152
Settlements (113) (108)
Other (3) 7
Balance as of June 30 $ 1,037 $ 1,044