Goodwill and Other Intangible Assets—Net - Goodwill (Details) - USD ($) $ in Millions	3 Months Ended			12 Months Ended
	Dec. 31, 2019	Sep. 30, 2019	Mar. 31, 2019	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Goodwill [Roll Forward]
Gross carrying amount at beginning of period			$ 1,231	$ 1,231	$ 408
Measurement period adjustments				(8)
Acquisitions				28	825
Reclassification to assets held for sale				(4)
Foreign exchange				(3)	(2)
Gross carrying amount at end of period	$ 1,244			1,244	1,231	$ 408
Accumulated impairment loss at beginning of period			(362)	(362)	(359)
Impairment	(133)			(108)	(3)	(11)
Foreign exchange				1	0
Accumulated impairment loss at end of period	(469)			(469)	(362)	(359)
Net carrying value at end of period			869	869
Clean Air
Goodwill [Roll Forward]
Gross carrying amount at beginning of period			22	22	23
Measurement period adjustments				0
Acquisitions				0	0
Reclassification to assets held for sale				0
Foreign exchange				0	(1)
Gross carrying amount at end of period	22			22	22	23
Accumulated impairment loss at beginning of period			0	0	0
Impairment				0	0
Foreign exchange				0	0
Accumulated impairment loss at end of period	0			0	0	0
Net carrying value at end of period			22	22
Powertrain
Goodwill [Roll Forward]
Gross carrying amount at beginning of period			388	388	0
Measurement period adjustments				(45)
Acquisitions				0	388
Reclassification to assets held for sale				0
Foreign exchange				0	0
Gross carrying amount at end of period	343			343	388	0
Accumulated impairment loss at beginning of period			0	0	0
Impairment				(18)	0
Foreign exchange				0	0
Accumulated impairment loss at end of period	(18)			(18)	0	0
Net carrying value at end of period			388	388
Ride Performance
Goodwill [Roll Forward]
Gross carrying amount at beginning of period			210	210	156
Measurement period adjustments				24
Acquisitions				28	55
Reclassification to assets held for sale				0
Foreign exchange				(3)	(1)
Gross carrying amount at end of period	259			259	210	156
Accumulated impairment loss at beginning of period			(143)	(143)	(140)
Impairment	40	$ (9)	60	(69)	(3)	(7)
Foreign exchange				0	0
Accumulated impairment loss at end of period	(212)			(212)	(143)	(140)
Net carrying value at end of period			67	67
Motorparts
Goodwill [Roll Forward]
Gross carrying amount at beginning of period			611	611	229
Measurement period adjustments				13
Acquisitions				0	382
Reclassification to assets held for sale				(4)
Foreign exchange				0	0
Gross carrying amount at end of period	620			620	611	229
Accumulated impairment loss at beginning of period			(219)	(219)	(219)
Impairment				(21)	0
Foreign exchange				1	0
Accumulated impairment loss at end of period	$ (239)			(239)	$ (219)	$ (219)
Net carrying value at end of period			$ 392	$ 392