Restructuring Charges, Net and Asset Impairments - Roll Forward of Restructuring Reserve (Details) - USD ($) $ in Millions	1 Months Ended	6 Months Ended	12 Months Ended
	Oct. 31, 2018	Jun. 30, 2020	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Restructuring Reserve [Roll Forward]
Restructuring reserve, beginning balance		$ 101	$ 101	$ 103	$ 25
Federal-Mogul Acquisition					37
Provisions			140	125	115
Held for sale					(2)
Revisions to estimates			(21)	(12)	(3)
Payments			(122)	(115)	(68)
Foreign currency			(2)		(1)
Restructuring reserve, ending balance			100	101	103
Employee Costs
Restructuring Reserve [Roll Forward]
Restructuring reserve, beginning balance		97	97	98	19
Federal-Mogul Acquisition					37
Provisions			124	103	90
Held for sale					(2)
Revisions to estimates			(18)	(12)	(4)
Payments			(106)	(92)	(41)
Foreign currency			(2)		(1)
Restructuring reserve, ending balance			99	97	98
Facility Closure and Other Costs
Restructuring Reserve [Roll Forward]
Restructuring reserve, beginning balance		4	4	5	6
Federal-Mogul Acquisition					0
Provisions	$ 21		16	22	25
Held for sale					0
Revisions to estimates			(3)	0	1
Payments			(16)	(23)	(27)
Foreign currency			0		0
Restructuring reserve, ending balance			1	4	5
Total Reportable Segments
Restructuring Reserve [Roll Forward]
Restructuring reserve, beginning balance		92	92	100	25
Federal-Mogul Acquisition					37
Provisions			135	114	110
Held for sale					(2)
Revisions to estimates			(21)	(12)	(3)
Payments			(109)	(110)	(66)
Foreign currency			(2)		(1)
Restructuring reserve, ending balance			99	92	100
Corporate
Restructuring Reserve [Roll Forward]
Restructuring reserve, beginning balance		9	9	3	0
Federal-Mogul Acquisition					0
Provisions			5	11	5
Held for sale					0
Revisions to estimates			0	0	0
Payments			(13)	(5)	(2)
Foreign currency			0		0
Restructuring reserve, ending balance			1	9	3
Clean Air | Total Reportable Segments
Restructuring Reserve [Roll Forward]
Restructuring reserve, beginning balance		23	23	17	14
Federal-Mogul Acquisition					0
Provisions			30	35	14
Held for sale					0
Revisions to estimates			(8)	(6)	0
Payments			(22)	(23)	(10)
Foreign currency			(2)		(1)
Restructuring reserve, ending balance			25	23	17
Powertrain | Total Reportable Segments
Restructuring Reserve [Roll Forward]
Restructuring reserve, beginning balance		30	30	15	0
Federal-Mogul Acquisition					22
Provisions			56	31	1
Held for sale					0
Revisions to estimates			(6)	0	(3)
Payments			(38)	(16)	(5)
Foreign currency			0		0
Restructuring reserve, ending balance			42	30	15
Ride Performance | Total Reportable Segments
Restructuring Reserve [Roll Forward]
Restructuring reserve, beginning balance		23	23	25	7
Federal-Mogul Acquisition					1
Provisions			29	29	53
Held for sale					0
Revisions to estimates			(4)	(1)	0
Payments			(30)	(30)	(36)
Foreign currency			0		0
Restructuring reserve, ending balance			18	23	25
Motorparts
Restructuring Reserve [Roll Forward]
Provisions			4
Motorparts | Employee Costs
Restructuring Reserve [Roll Forward]
Provisions		4
Motorparts | Total Reportable Segments
Restructuring Reserve [Roll Forward]
Restructuring reserve, beginning balance		$ 16	16	43	4
Federal-Mogul Acquisition					14
Provisions			20	19	42
Held for sale					(2)
Revisions to estimates			(3)	(5)	0
Payments			(19)	(41)	(15)
Foreign currency			0		0
Restructuring reserve, ending balance			$ 14	$ 16	$ 43