Segment Information - Segment Adjusted EBITDA (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Segment Reporting Information [Line Items]
Depreciation and amortization	$ (151)	$ (165)	$ (481)	$ (503)
Earnings (loss) before interest expense, income taxes, and noncontrolling interests	236	148	(984)	265
Interest expense	(68)	(79)	(209)	(242)
Income tax (expense) benefit	(648)	9	(453)	(5)
Net income (loss)	(480)	78	(1,646)	18
Total Reportable Segments
Segment Reporting Information [Line Items]
EBITDA including noncontrolling interests	421	392	(334)	1,024
Total Reportable Segments | Clean Air
Segment Reporting Information [Line Items]
EBITDA including noncontrolling interests	149	169	265	452
Total Reportable Segments | Powertrain
Segment Reporting Information [Line Items]
EBITDA including noncontrolling interests	111	90	(21)	303
Total Reportable Segments | Ride Performance
Segment Reporting Information [Line Items]
EBITDA including noncontrolling interests	23	20	(624)	1
Total Reportable Segments | Motorparts
Segment Reporting Information [Line Items]
EBITDA including noncontrolling interests	138	113	46	268
Corporate
Segment Reporting Information [Line Items]
EBITDA including noncontrolling interests	$ (34)	$ (79)	$ (169)	$ (256)