Revenue - Disaggregated Revenue by Categories (Details) - USD ($) $ in Millions	3 Months Ended	6 Months Ended
Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2025	Jun. 30, 2024
Disaggregation of Revenue [Line Items]
Total Net Sales	$ 814	$ 816	$ 1,580	$ 1,605
North America On-Highway
Disaggregation of Revenue [Line Items]
Total Net Sales	417	456	852	876
Outside North America On-Highway
Disaggregation of Revenue [Line Items]
Total Net Sales	142	128	254	243
Global Off-Highway
Disaggregation of Revenue [Line Items]
Total Net Sales	16	23	34	69
Defense
Disaggregation of Revenue [Line Items]
Total Net Sales	63	43	116	91
Service Parts, Support Equipment and Other
Disaggregation of Revenue [Line Items]
Total Net Sales	$ 176	$ 166	$ 324	$ 326

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

Amount, excluding tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value added and excise.

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+ Details