v3.25.2
Changes in Product Support Liabilities (Detail) - Truck, Parts and Other - USD ($)
$ in Millions
6 Months Ended
Jun. 30, 2025
Jun. 30, 2024
WARRANTY RESERVES    
Beginning balance $ 606.1 $ 767.0
Cost accruals 334.2 312.9
Payments (406.4) (440.2)
Change in estimates for pre-existing warranties 59.6 55.1
Currency translation and other 26.4 (8.7)
Ending balance 619.9 686.1
DEFERRED REVENUES ON EXTENDED WARRANTIES AND R&M CONTRACTS    
Beginning balance 1,302.2 1,229.1
Deferred revenues 357.7 354.0
Revenues recognized (330.4) (285.0)
Currency translation 81.5 (16.0)
Ending balance $ 1,411.0 $ 1,282.1