Revenue (Tables)

9 Months Ended

Sep. 30, 2023

Revenue from Contract with Customer [Abstract]

Disaggregated Revenue by Categories

The following presents disaggregated revenue by categories that best depict how the nature, amount, timing and uncertainty of revenue and cash flows are affected by economic factors (dollars in millions):

	Three Months Ended September 30,				Nine Months Ended September 30,
	2023		2022		2023		2022
North America On-Highway	$	376	$	340	$	1,149	$	1,026
North America Off-Highway		9		24		58		62
Defense		43		35		103		99
Outside North America On-Highway		118		118		349		332
Outside North America Off-Highway		19		36		66		98
Service Parts, Support Equipment and Other		171		157		535		434
Total Net Sales	$	736	$	710	$	2,260	$	2,051