Segment Information - Segment Information (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Segment Reporting [Line Items]
Net sales and operating revenues	$ 4,256	$ 4,319	$ 10,729	$ 13,307
Equity in earnings of nonconsolidated affiliates, net of tax	9	1	26	34
Operating Segments
Segment Reporting [Line Items]
Net sales and operating revenues	4,256	4,319	10,729	13,307
Equity in earnings of nonconsolidated affiliates, net of tax	9	1	26	34
Clean Air
Segment Reporting [Line Items]
Net sales and operating revenues	1,919	1,772	4,604	5,378
Clean Air | Operating Segments
Segment Reporting [Line Items]
Net sales and operating revenues	1,919	1,772	4,604	5,378
Equity in earnings of nonconsolidated affiliates, net of tax	0	0	0	0
Powertrain
Segment Reporting [Line Items]
Net sales and operating revenues	1,007	1,082	2,606	3,390
Powertrain | Operating Segments
Segment Reporting [Line Items]
Net sales and operating revenues	1,007	1,082	2,606	3,390
Equity in earnings of nonconsolidated affiliates, net of tax	7	(1)	20	26
Ride Performance
Segment Reporting [Line Items]
Net sales and operating revenues	600	671	1,524	2,113
Ride Performance | Operating Segments
Segment Reporting [Line Items]
Net sales and operating revenues	600	671	1,524	2,113
Equity in earnings of nonconsolidated affiliates, net of tax	0	1	1	3
Motorparts
Segment Reporting [Line Items]
Net sales and operating revenues	730	794	1,995	2,426
Motorparts | Operating Segments
Segment Reporting [Line Items]
Net sales and operating revenues	730	794	1,995	2,426
Equity in earnings of nonconsolidated affiliates, net of tax	2	1	5	5
Intersegment Revenues
Segment Reporting [Line Items]
Net sales and operating revenues	0
Intersegment Revenues | Operating Segments
Segment Reporting [Line Items]
Net sales and operating revenues	78	89	211	281
Intersegment Revenues | Reclass & Elims
Segment Reporting [Line Items]
Net sales and operating revenues	(78)	(89)	(211)	(281)
Intersegment Revenues | Clean Air | Operating Segments
Segment Reporting [Line Items]
Net sales and operating revenues	5	0	14	0
Intersegment Revenues | Powertrain | Operating Segments
Segment Reporting [Line Items]
Net sales and operating revenues	37	38	96	124
Intersegment Revenues | Ride Performance | Operating Segments
Segment Reporting [Line Items]
Net sales and operating revenues	28	42	78	126
Intersegment Revenues | Motorparts | Operating Segments
Segment Reporting [Line Items]
Net sales and operating revenues	$ 8	$ 9	$ 23	$ 31