Restructuring Charges, Net and Asset Impairments - Roll Forward of Restructuring Reserve (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Restructuring Reserve [Roll Forward]
Restructuring reserve, beginning balance	$ 100	$ 101
Provisions	34	15
Revisions to estimates	(9)	(2)
Payments	(25)	(30)
Foreign currency	(1)	(1)
Restructuring reserve, ending balance	99	83
Employee Costs
Restructuring Reserve [Roll Forward]
Restructuring reserve, beginning balance	99	97
Provisions	31	10
Revisions to estimates	(9)	(2)
Payments	(21)	(23)
Foreign currency	(1)	(1)
Restructuring reserve, ending balance	99	81
Facility Closure and Other Costs
Restructuring Reserve [Roll Forward]
Restructuring reserve, beginning balance	1	4
Provisions	3	5
Revisions to estimates	0	0
Payments	(4)	(7)
Foreign currency	0	0
Restructuring reserve, ending balance	0	2
Total Reportable Segments
Restructuring Reserve [Roll Forward]
Restructuring reserve, beginning balance	99	92
Provisions	34	11
Revisions to estimates	(9)	(2)
Payments	(24)	(21)
Foreign currency	(1)	(1)
Restructuring reserve, ending balance	99	79
Total Reportable Segments | Clean Air
Restructuring Reserve [Roll Forward]
Restructuring reserve, beginning balance	25	23
Provisions	17	0
Revisions to estimates	(8)	0
Payments	(6)	(4)
Foreign currency	0	0
Restructuring reserve, ending balance	28	19
Total Reportable Segments | Powertrain
Restructuring Reserve [Roll Forward]
Restructuring reserve, beginning balance	42	30
Provisions	11	2
Revisions to estimates	(1)	(1)
Payments	(9)	(4)
Foreign currency	0
Restructuring reserve, ending balance	43	27
Total Reportable Segments | Performance Solutions
Restructuring Reserve [Roll Forward]
Restructuring reserve, beginning balance	18	23
Provisions	4	7
Revisions to estimates	0	(1)
Payments	(5)	(9)
Foreign currency	(1)	(1)
Restructuring reserve, ending balance	16	19
Total Reportable Segments | Motorparts
Restructuring Reserve [Roll Forward]
Restructuring reserve, beginning balance	14	16
Provisions	2	2
Revisions to estimates	0	0
Payments	(4)	(4)
Foreign currency	0	0
Restructuring reserve, ending balance	12	14
Corporate
Restructuring Reserve [Roll Forward]
Restructuring reserve, beginning balance	1	9
Provisions	0	4
Revisions to estimates	0	0
Payments	(1)	(9)
Foreign currency	0	0
Restructuring reserve, ending balance	$ 0	$ 4