Segment Information (Tables)

9 Months Ended

Sep. 30, 2018

Segment Reporting [Abstract]

Segment Information

The following table summarizes certain of the Company's segment information:

	Segments
	Clean Air		Ride Performance			Aftermarket		Total		Other			Reclass & Elims			Total
	(Millions)
At September 30, 2018 and for the Three Months Ended September 30, 2018
Revenues from external customers	$	1,602	$	461		$	309	$	2,372	$	—		$	—		$	2,372
Intersegment revenues	14		16			12		42		—			(42		)	—
EBIT, Earnings (loss) before interest expense, income taxes, and noncontrolling interests	104		(5		)	45		144		(40		)	—			104
Total assets	3,008		1,079			885		4,972		—			56			5,028
At September 30, 2017 and for the Three Months Ended September 30, 2017
Revenues from external customers	$	1,495	$	457		$	322	$	2,274	$	—		$	—		$	2,274
Intersegment revenues	11		18			8		37		—			(37		)	—
EBIT, Earnings (loss) before interest expense, income taxes, and noncontrolling interests	100		7			50		157		(23		)	—			134
Total assets	2,912		1,100			864		4,876		—			59			4,935
At September 30, 2018 and for the Nine Months Ended September 30, 2018
Revenues from external customers	$	5,052	$	1,480		$	951	$	7,483	$	—		$	—		$	7,483
Intersegment revenues	42		45			35		122		—			(122		)	—
EBIT, Earnings (loss) before interest expense, income taxes, and noncontrolling interests	328		8			130		466		(132		)	—			334
Total assets	3,008		1,079			885		4,972		—			56			5,028
At September 30, 2017 and for the Nine Months Ended September 30, 2017
Revenues from external customers	$	4,589	$	1,327		$	967	$	6,883	$	—		$	—		$	6,883
Intersegment revenues	53		46			29		128		—			(128		)	—
EBIT, Earnings (loss) before interest expense, income taxes, and noncontrolling interests	300		52			146		498		(216		)	—			282
Total assets	2,912		1,100			864		4,876		—			59			4,935