Segment Information - Segment Information (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Segment Reporting [Line Items]
Net sales and operating revenues	$ 2,637	$ 4,504	$ 6,473	$ 8,988
Equity in earnings of nonconsolidated affiliates, net of tax	4	17	17	33
Operating Segments
Segment Reporting [Line Items]
Net sales and operating revenues	2,637	4,504	6,473	8,988
Equity in earnings of nonconsolidated affiliates, net of tax	4	17	17	33
Clean Air
Segment Reporting [Line Items]
Net sales and operating revenues	1,140	1,827	2,685	3,606
Clean Air | Operating Segments
Segment Reporting [Line Items]
Net sales and operating revenues	1,140	1,827	2,685	3,606
Equity in earnings of nonconsolidated affiliates, net of tax	0	0	0	0
Powertrain
Segment Reporting [Line Items]
Net sales and operating revenues	602	1,133	1,599	2,308
Powertrain | Operating Segments
Segment Reporting [Line Items]
Net sales and operating revenues	602	1,133	1,599	2,308
Equity in earnings of nonconsolidated affiliates, net of tax	2	14	13	27
Ride Performance
Segment Reporting [Line Items]
Net sales and operating revenues	336	709	924	1,442
Ride Performance | Operating Segments
Segment Reporting [Line Items]
Net sales and operating revenues	336	709	924	1,442
Equity in earnings of nonconsolidated affiliates, net of tax	1	1	1	2
Motorparts
Segment Reporting [Line Items]
Net sales and operating revenues	559	835	1,265	1,632
Motorparts | Operating Segments
Segment Reporting [Line Items]
Net sales and operating revenues	559	835	1,265	1,632
Equity in earnings of nonconsolidated affiliates, net of tax	1	2	3	4
Intersegment Revenues | Operating Segments
Segment Reporting [Line Items]
Net sales and operating revenues	(51)	(89)	(133)	(192)
Intersegment Revenues | Reclass & Elims
Segment Reporting [Line Items]
Net sales and operating revenues	(51)	(89)	(133)	(192)
Intersegment Revenues | Clean Air | Operating Segments
Segment Reporting [Line Items]
Net sales and operating revenues	(3)	0	(9)	0
Intersegment Revenues | Powertrain | Operating Segments
Segment Reporting [Line Items]
Net sales and operating revenues	(21)	(40)	(59)	(86)
Intersegment Revenues | Ride Performance | Operating Segments
Segment Reporting [Line Items]
Net sales and operating revenues	(21)	(38)	(50)	(84)
Intersegment Revenues | Motorparts | Operating Segments
Segment Reporting [Line Items]
Net sales and operating revenues	$ (6)	$ (11)	$ (15)	$ (22)