Revenue - Disaggregated Revenue by Categories (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Disaggregation of Revenue [Line Items]
Total Net Sales	$ 677	$ 588
North America On-Highway
Disaggregation of Revenue [Line Items]
Total Net Sales	346	319
North America Off-Highway
Disaggregation of Revenue [Line Items]
Total Net Sales	18	2
Defense
Disaggregation of Revenue [Line Items]
Total Net Sales	35	45
Outside North America On-Highway
Disaggregation of Revenue [Line Items]
Total Net Sales	109	84
Outside North America Off-Highway
Disaggregation of Revenue [Line Items]
Total Net Sales	30	16
Service Parts, Support Equipment and Other
Disaggregation of Revenue [Line Items]
Total Net Sales	$ 139	$ 122