Revenue - Disaggregated Revenue by Categories (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2025	Mar. 31, 2024
Disaggregation of Revenue [Line Items]
Total Net Sales	$ 766	$ 789
North America On-Highway
Disaggregation of Revenue [Line Items]
Total Net Sales	435	420
Outside North America On-Highway
Disaggregation of Revenue [Line Items]
Total Net Sales	112	115
Global Off-Highway
Disaggregation of Revenue [Line Items]
Total Net Sales	18	46
Defense
Disaggregation of Revenue [Line Items]
Total Net Sales	53	48
Service Parts, Support Equipment and Other
Disaggregation of Revenue [Line Items]
Total Net Sales	$ 148	$ 160