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Goodwill and Other Intangible Assets—Net - Goodwill (Details) - USD ($) $ in Millions	3 Months Ended			6 Months Ended
	Jun. 30, 2019	Mar. 31, 2019	Jun. 30, 2018	Jun. 30, 2019	Jun. 30, 2018	Dec. 31, 2018
Goodwill [Roll Forward]
Gross carrying amount at beginning of period	$ 1,213	$ 1,231		$ 1,231
Measurement period adjustments	8	(46)
Acquisitions		28
Foreign exchange	0
Gross carrying amount at end of period	1,221	1,213		1,221
Accumulated impairment loss at beginning of period	(422)	(362)		(362)
Impairment	0	(60)	$ 0	(60)	$ 0
Accumulated impairment loss at end of period	(422)	(422)		(422)
Net carrying value at end of period	799			799		$ 869
Clean Air
Goodwill [Roll Forward]
Gross carrying amount at beginning of period	22	22		22
Measurement period adjustments	0	0
Acquisitions		0
Foreign exchange	0
Gross carrying amount at end of period	22	22		22
Accumulated impairment loss at beginning of period	0	0		0
Impairment		0
Accumulated impairment loss at end of period	0	0		0
Net carrying value at end of period	22			22
Powertrain
Goodwill [Roll Forward]
Gross carrying amount at beginning of period	409	388		388
Measurement period adjustments	3	21
Acquisitions		0
Foreign exchange	0
Gross carrying amount at end of period	412	409		412
Accumulated impairment loss at beginning of period	0	0		0
Impairment		0
Accumulated impairment loss at end of period	0	0		0
Net carrying value at end of period	412			412
Ride Performance
Goodwill [Roll Forward]
Gross carrying amount at beginning of period	238	210		210
Measurement period adjustments	2	0
Acquisitions		28
Foreign exchange	0
Gross carrying amount at end of period	240	238		240
Accumulated impairment loss at beginning of period	(203)	(143)		(143)
Impairment		(60)		(60)
Accumulated impairment loss at end of period	(203)	(203)		(203)
Net carrying value at end of period	37			37
Motorparts
Goodwill [Roll Forward]
Gross carrying amount at beginning of period	544	611		611
Measurement period adjustments	3	(67)
Acquisitions		0
Foreign exchange	0
Gross carrying amount at end of period	547	544		547
Accumulated impairment loss at beginning of period	(219)	(219)		(219)
Impairment		0
Accumulated impairment loss at end of period	(219)	$ (219)		(219)
Net carrying value at end of period	$ 328			$ 328