Segment Information - Segment Adjusted EBITDA (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Segment Reporting Information [Line Items]
Depreciation and amortization	$ (147)	$ (151)	$ (447)	$ (481)
Earnings (loss) before interest expense, income taxes, and noncontrolling interests	125	236	456	(984)
Interest expense	(66)	(68)	(205)	(209)
Income tax (expense) benefit	(34)	(648)	(122)	(453)
Net income (loss)	25	(480)	129	(1,646)
Total Reportable Segments
Segment Reporting Information [Line Items]
EBITDA including noncontrolling interests	362	421	1,107	(334)
Total Reportable Segments | Motorparts
Segment Reporting Information [Line Items]
EBITDA including noncontrolling interests	111	138	280	46
Total Reportable Segments | Performance Solutions
Segment Reporting Information [Line Items]
EBITDA including noncontrolling interests	42	46	117	(691)
Total Reportable Segments | Clean Air
Segment Reporting Information [Line Items]
EBITDA including noncontrolling interests	138	149	430	265
Total Reportable Segments | Powertrain
Segment Reporting Information [Line Items]
EBITDA including noncontrolling interests	71	88	280	46
Corporate
Segment Reporting Information [Line Items]
EBITDA including noncontrolling interests	$ (90)	$ (34)	$ (204)	$ (169)