Segment Information - Segment Adjusted EBITDA (Details) - USD ($) $ in Millions	3 Months Ended	9 Months Ended
Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
Segment Reporting Information [Line Items]
EBITDA	$ 313	$ 172	$ 768	$ 525
Items required to reconcile EBITDA to Net income (loss):
Depreciation and amortization	(165)	(60)	(503)	(180)
Earnings (loss) before interest expense, income taxes, and noncontrolling interests	148	112	265	345
Interest expense	(79)	(24)	(242)	(69)
Income tax (expense) benefit	9	(22)	(5)	(73)
Net income (loss)	78	66	18	203
Clean Air
Segment Reporting Information [Line Items]
EBITDA	169	144	452	443
Powertrain
Segment Reporting Information [Line Items]
EBITDA	90	0	303	0
Ride Performance
Segment Reporting Information [Line Items]
EBITDA	20	14	1	58
Motorparts
Segment Reporting Information [Line Items]
EBITDA	113	53	268	153
Corporate
Segment Reporting Information [Line Items]
EBITDA	$ (79)	$ (39)	$ (256)	$ (129)

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Items Required To Reconcile EBITDA To Net Income (Loss) [Abstract]

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Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

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