Revenue (Tables)

6 Months Ended

Jun. 30, 2020

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 June 30,				Six Months Ended June 30,
	2020		2019		2020		2019
North America On-Highway	$	164	$	398	$	516	$	775
North America Off-Highway		3		9		11		23
Defense		42		37		82		69
Outside North America On-Highway		60		106		132		200
Outside North America Off-Highway		19		40		46		67
Service Parts, Support Equipment and Other		89		147		227		278
Total Net Sales	$	377	$	737	$	1,014	$	1,412