Segment and Geographic Area Information - Segment Information (Details) - USD ($)	3 Months Ended								12 Months Ended
	Dec. 31, 2018	Sep. 30, 2018	Jun. 30, 2018	Mar. 31, 2018	Dec. 31, 2017	Sep. 30, 2017	Jun. 30, 2017	Mar. 31, 2017	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Segment Reporting [Line Items]
Net sales and operating revenues	$ 4,278,000,000	$ 2,371,000,000	$ 2,533,000,000	$ 2,581,000,000	$ 2,389,000,000	$ 2,273,000,000	$ 2,314,000,000	$ 2,298,000,000	$ 11,763,000,000	$ 9,274,000,000	$ 8,597,000,000
Revenues from external customers									11,763,000,000	9,274,000,000	8,597,000,000
EBITDA including noncontrolling interests									651,000,000	634,000,000	692,000,000
Less: Depreciation and amortization									(345,000,000)	(226,000,000)	(213,000,000)
Earnings before interest expense, income taxes, and noncontrolling interests	$ (31,000,000)	$ 109,000,000	$ 109,000,000	$ 119,000,000	$ 132,000,000	$ 131,000,000	$ 23,000,000	$ 122,000,000	306,000,000	408,000,000	479,000,000
Interest expense									132,000,000	72,000,000	68,000,000
Income tax expense (benefit)									63,000,000	71,000,000	(4,000,000)
Net income									111,000,000	265,000,000	415,000,000
Clean Air
Segment Reporting [Line Items]
Net sales and operating revenues									6,707,000,000	6,216,000,000	5,764,000,000
Ride Performance
Segment Reporting [Line Items]
Net sales and operating revenues									1,949,000,000	1,807,000,000	1,593,000,000
Aftermarket
Segment Reporting [Line Items]
Net sales and operating revenues									1,221,000,000	1,251,000,000	1,240,000,000
Powertrain
Segment Reporting [Line Items]
Net sales and operating revenues									1,112,000,000	0	0
Motorparts
Segment Reporting [Line Items]
Net sales and operating revenues									774,000,000	0	0
Intersegment revenues
Segment Reporting [Line Items]
Revenues from external customers									0	0	0
Total
Segment Reporting [Line Items]
Net sales and operating revenues									11,763,000,000	9,274,000,000	8,597,000,000
EBITDA including noncontrolling interests									885,000,000	879,000,000	921,000,000
Total | Clean Air
Segment Reporting [Line Items]
Net sales and operating revenues									6,707,000,000	6,216,000,000	5,764,000,000
EBITDA including noncontrolling interests									597,000,000	562,000,000	561,000,000
Total | Ride Performance
Segment Reporting [Line Items]
Net sales and operating revenues									1,949,000,000	1,807,000,000	1,593,000,000
EBITDA including noncontrolling interests									66,000,000	124,000,000	153,000,000
Total | Aftermarket
Segment Reporting [Line Items]
Net sales and operating revenues									1,221,000,000	1,251,000,000	1,240,000,000
EBITDA including noncontrolling interests									169,000,000	193,000,000	207,000,000
Total | Powertrain
Segment Reporting [Line Items]
Net sales and operating revenues									1,112,000,000	0	0
EBITDA including noncontrolling interests									92,000,000	0	0
Total | Motorparts
Segment Reporting [Line Items]
Net sales and operating revenues									774,000,000	0	0
EBITDA including noncontrolling interests									(39,000,000)	0	0
Total | Intersegment revenues
Segment Reporting [Line Items]
Revenues from external customers									72,000,000	22,000,000	26,000,000
Total | Intersegment revenues | Clean Air
Segment Reporting [Line Items]
Revenues from external customers									0	0	0
Total | Intersegment revenues | Ride Performance
Segment Reporting [Line Items]
Revenues from external customers									22,000,000	22,000,000	26,000,000
Total | Intersegment revenues | Aftermarket
Segment Reporting [Line Items]
Revenues from external customers									0	0	0
Total | Intersegment revenues | Powertrain
Segment Reporting [Line Items]
Revenues from external customers									40,000,000	0	0
Total | Intersegment revenues | Motorparts
Segment Reporting [Line Items]
Revenues from external customers									10,000,000	0	0
Other
Segment Reporting [Line Items]
Net sales and operating revenues									0	0	0
EBITDA including noncontrolling interests									(234,000,000)	(245,000,000)	(229,000,000)
Other | Intersegment revenues
Segment Reporting [Line Items]
Revenues from external customers									0	0	0
Reclass & Elims
Segment Reporting [Line Items]
Net sales and operating revenues									(1,331,000,000)	(1,180,000,000)	(1,273,000,000)
Less: Depreciation and amortization									0	0	0
Earnings before interest expense, income taxes, and noncontrolling interests									(18,000,000)	(53,000,000)	(15,000,000)
Interest expense									0	0	0
Income tax expense (benefit)									0	0	0
Net income									(337,000,000)	(467,000,000)	(633,000,000)
Reclass & Elims | Intersegment revenues
Segment Reporting [Line Items]
Revenues from external customers									$ (72,000,000)	$ (22,000,000)	$ (26,000,000)