Restructuring Charges and Asset Impairments, Net - Roll Forward of Restructuring Reserve (Details) - USD ($) $ in Millions	3 Months Ended
	Jun. 30, 2019	Mar. 31, 2019	Jun. 30, 2018	Mar. 31, 2018
Restructuring Reserve [Roll Forward]
Restructuring Reserve, beginning balance	$ 89	$ 103	$ 21	$ 25
Provisions	61	24	29	12
Revisions to estimates	(2)
Payments	(33)	(38)	(15)	(16)
Restructuring Reserve, ending balance	115	89	35	21
Employee Costs
Restructuring Reserve [Roll Forward]
Restructuring Reserve, beginning balance	84	98	16	19
Provisions	44	11	26	10
Revisions to estimates	(2)
Payments	(16)	(25)	(12)	(13)
Restructuring Reserve, ending balance	110	84	30	16
Facility Closure and Other Costs
Restructuring Reserve [Roll Forward]
Restructuring Reserve, beginning balance	5	5	5	6
Provisions	17	13	3	2
Revisions to estimates	0
Payments	(17)	(13)	(3)	(3)
Restructuring Reserve, ending balance	5	5	5	5
Total Reportable Segments
Restructuring Reserve [Roll Forward]
Restructuring Reserve, beginning balance	87	100	21	25
Provisions	61	23	27	12
Revisions to estimates	(2)
Payments	(32)	(36)	(15)	(16)
Restructuring Reserve, ending balance	114	87	33	21
Clean Air | Total Reportable Segments
Restructuring Reserve [Roll Forward]
Restructuring Reserve, beginning balance	16	17	10	14
Provisions	14	5	17	1
Revisions to estimates	0
Payments	(2)	(6)	(3)	(5)
Restructuring Reserve, ending balance	28	16	24	10
Powertrain | Total Reportable Segments
Restructuring Reserve [Roll Forward]
Restructuring Reserve, beginning balance	13	15	0	0
Provisions	17	1	0	0
Revisions to estimates	0
Payments	(4)	(3)	0	0
Restructuring Reserve, ending balance	26	13	0	0
Ride Performance | Total Reportable Segments
Restructuring Reserve [Roll Forward]
Restructuring Reserve, beginning balance	25	25	6	7
Provisions	22	13	9	8
Revisions to estimates	0
Payments	(19)	(13)	(10)	(9)
Restructuring Reserve, ending balance	28	25	5	6
Motorparts | Total Reportable Segments
Restructuring Reserve [Roll Forward]
Restructuring Reserve, beginning balance	33	43	5	4
Provisions	8	4	1	3
Revisions to estimates	(2)
Payments	(7)	(14)	(2)	(2)
Restructuring Reserve, ending balance	32	33	4	5
Corporate
Restructuring Reserve [Roll Forward]
Restructuring Reserve, beginning balance	2	3	0	0
Provisions	0	1	2	0
Revisions to estimates	0
Payments	(1)	(2)	0	0
Restructuring Reserve, ending balance	$ 1	$ 2	$ 2	$ 0