Revenue - Disaggregated Revenue by Categories (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Disaggregation of Revenue [Line Items]
Total Net Sales	$ 736	$ 710	$ 2,260	$ 2,051
North America On-Highway
Disaggregation of Revenue [Line Items]
Total Net Sales	376	340	1,149	1,026
North America Off-Highway
Disaggregation of Revenue [Line Items]
Total Net Sales	9	24	58	62
Defense
Disaggregation of Revenue [Line Items]
Total Net Sales	43	35	103	99
Outside North America On-Highway
Disaggregation of Revenue [Line Items]
Total Net Sales	118	118	349	332
Outside North America Off-Highway
Disaggregation of Revenue [Line Items]
Total Net Sales	19	36	66	98
Service Parts, Support Equipment and Other
Disaggregation of Revenue [Line Items]
Total Net Sales	$ 171	$ 157	$ 535	$ 434