Restructuring Charges, Net and Asset Impairments - Roll Forward of Restructuring Reserve (Details) - USD ($) $ in Millions	3 Months Ended						9 Months Ended
	Sep. 30, 2020	Jun. 30, 2020	Mar. 31, 2020	Sep. 30, 2019	Jun. 30, 2019	Mar. 31, 2019	Sep. 30, 2020	Sep. 30, 2019
Restructuring Reserve [Roll Forward]
Restructuring reserve, beginning balance	$ 140	$ 83	$ 101	$ 115	$ 89	$ 103	$ 101	$ 103
Provisions	19	96	15	27	49	16
Revisions to estimates	(5)	(4)	(2)	(2)	(2)	0
Payments	(28)	(35)	(30)	(35)	(21)	(30)
Foreign currency	1		(1)	(1)		0
Restructuring reserve, ending balance	127	140	83	104	115	89	127	104
Employee Costs
Restructuring Reserve [Roll Forward]
Restructuring reserve, beginning balance	136	81	97	110	84	98	97	98
Provisions	16	90	10	22	44	11
Revisions to estimates	(4)	(4)	(2)	(2)	(2)	0
Payments	(24)	(31)	(23)	(29)	(16)	(25)
Foreign currency	1		(1)	(1)		0
Restructuring reserve, ending balance	125	136	81	100	110	84	125	100
Facility Closure and Other Costs
Restructuring Reserve [Roll Forward]
Restructuring reserve, beginning balance	4	2	4	5	5	5	4	5
Provisions	3	6	5	5	5	5
Revisions to estimates	(1)	0	0	0	0	0
Payments	(4)	(4)	(7)	(6)	(5)	(5)
Foreign currency	0		0	0		0
Restructuring reserve, ending balance	2	4	2	4	5	5	2	4
Powertrain | Employee Costs
Restructuring Reserve [Roll Forward]
Provisions	4
Ride Performance | Employee Costs
Restructuring Reserve [Roll Forward]
Revisions to estimates	3
Motorparts | Employee Costs
Restructuring Reserve [Roll Forward]
Provisions							4
Total Reportable Segments
Restructuring Reserve [Roll Forward]
Restructuring reserve, beginning balance	136	79	92	114	87	100	92	100
Provisions	19	95	11	26	49	15
Revisions to estimates	(5)	(4)	(2)	(2)	(2)
Payments	(25)	(34)	(21)	(33)	(20)	(28)
Foreign currency	0		(1)	(1)
Restructuring reserve, ending balance	125	136	79	104	114	87	125	104
Total Reportable Segments | Clean Air
Restructuring Reserve [Roll Forward]
Restructuring reserve, beginning balance	35	19	23	28	16	17	23	17
Provisions	1	24	0	6	14	5
Revisions to estimates	0	(2)	0	0	0
Payments	(5)	(6)	(4)	(7)	(2)	(6)
Foreign currency	0		0	(1)
Restructuring reserve, ending balance	31	35	19	26	28	16	31	26
Total Reportable Segments | Powertrain
Restructuring Reserve [Roll Forward]
Restructuring reserve, beginning balance	57	27	30	26	13	15	30	15
Provisions	14	36	2	11	17	1
Revisions to estimates	(1)	0	(1)	0	0
Payments	(11)	(6)	(4)	(4)	(4)	(3)
Foreign currency	0		0	0
Restructuring reserve, ending balance	59	57	27	33	26	13	59	33
Total Reportable Segments | Ride Performance
Restructuring Reserve [Roll Forward]
Restructuring reserve, beginning balance	20	19	23	28	25	25	23	25
Provisions	3	18	7	5	10	5
Revisions to estimates	(3)	0	(1)	0	0
Payments	(3)	(17)	(9)	(9)	(7)	(5)
Foreign currency	0		(1)	0
Restructuring reserve, ending balance	17	20	19	24	28	25	17	24
Total Reportable Segments | Motorparts
Restructuring Reserve [Roll Forward]
Restructuring reserve, beginning balance	24	14	16	32	33	43	16	43
Provisions	1	17	2	4	8	4
Revisions to estimates	(1)	(2)	0	(2)	(2)
Payments	(6)	(5)	(4)	(13)	(7)	(14)
Foreign currency	0		0	0
Restructuring reserve, ending balance	18	24	14	21	32	33	18	21
Corporate
Restructuring Reserve [Roll Forward]
Restructuring reserve, beginning balance	4	4	9	1	2	3	9	3
Provisions	0	1	4	1	0	1
Revisions to estimates	0	0	0	0	0
Payments	(3)	(1)	(9)	(2)	(1)	(2)
Foreign currency	1		0	0
Restructuring reserve, ending balance	$ 2	$ 4	$ 4	$ 0	$ 1	$ 2	$ 2	$ 0