v3.26.3
Guarantees and Product Warranty (Tables)
9 Months Ended
Sep. 30, 2026
Guarantees and Product Warranties [Abstract]  
Summary of product warranty
The reconciliation of the change in our product warranty liability balances for the nine months ended September 30, 2026 and 2025, was as follows:

Nine Months Ended September 30,
(Millions of dollars)20262025
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