Restructuring Charges, Net and Asset Impairments - Incurred Costs (Details) - USD ($) $ in Millions	3 Months Ended				6 Months Ended
	Jun. 30, 2021	Mar. 31, 2021	Jun. 30, 2020	Mar. 31, 2020	Jun. 30, 2021	Jun. 30, 2020
Restructuring Cost and Reserve [Line Items]
Severance and other charges, net	$ 24		$ 92		$ 49	$ 105
Asset impairments related to restructuring actions	1		28		1	28
Other non-restructuring asset impairments	2		1		2	472
Impairment of assets held for sale			0			0
Total asset impairment charges	3		29		3	500
Total restructuring charges, net and asset impairments	27		121		52	605
Restructuring charges	32	$ 34	96	$ 15
Motorparts
Restructuring Cost and Reserve [Line Items]
Total asset impairment charges	1		16		1	16
Total Reportable Segments | Motorparts
Restructuring Cost and Reserve [Line Items]
Severance and other charges, net	5		15		7	17
Asset impairments related to restructuring actions	1		25		1	25
Other non-restructuring asset impairments	0		0		0	0
Impairment of assets held for sale			(1)			(1)
Total asset impairment charges	1		24		1	24
Total restructuring charges, net and asset impairments	6		39		8	41
Total Reportable Segments | Performance Solutions
Restructuring Cost and Reserve [Line Items]
Severance and other charges, net	8		18		12	24
Asset impairments related to restructuring actions	0		0		0	0
Other non-restructuring asset impairments	0		0		0	455
Impairment of assets held for sale			0			0
Total asset impairment charges	0		0		0	455
Total restructuring charges, net and asset impairments	8		18		12	479
Total Reportable Segments | Clean Air
Restructuring Cost and Reserve [Line Items]
Severance and other charges, net	2		22		11	22
Asset impairments related to restructuring actions	0		0		0	0
Other non-restructuring asset impairments	0		0		0	0
Impairment of assets held for sale			0			0
Total asset impairment charges	0		0		0	0
Total restructuring charges, net and asset impairments	2		22		11	22
Total Reportable Segments | Powertrain
Restructuring Cost and Reserve [Line Items]
Severance and other charges, net	8		36		18	37
Asset impairments related to restructuring actions	0		3		0	3
Other non-restructuring asset impairments	0		0		0	0
Impairment of assets held for sale			1			1
Total asset impairment charges	0		4		0	4
Total restructuring charges, net and asset impairments	8		40		18	41
Corporate
Restructuring Cost and Reserve [Line Items]
Severance and other charges, net	1		1		1	5
Asset impairments related to restructuring actions	0		0		0	0
Other non-restructuring asset impairments	2		1		2	17
Impairment of assets held for sale			0			0
Total asset impairment charges	2		1		2	17
Total restructuring charges, net and asset impairments	$ 3		$ 2		$ 3	$ 22