Segments - Segment Information (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2018	Mar. 31, 2017
Segment Reporting Information [Line Items]
Net sales	$ 2,138	$ 1,701
Segment EBITDA	254
Segment EBITDA Including Non-service Cost Components of Defined Benefit Plan Costs		212
Light Vehicle Segment [Member]
Segment Reporting Information [Line Items]
Net sales	950	761
Segment EBITDA	103	89
Segment EBITDA Including Non-service Cost Components of Defined Benefit Plan Costs		89
Commercial Vehicle Segment [Member]
Segment Reporting Information [Line Items]
Net sales	400	329
Segment EBITDA	34	29
Segment EBITDA Including Non-service Cost Components of Defined Benefit Plan Costs		28
Off-Highway Segment [Member]
Segment Reporting Information [Line Items]
Net sales	492	328
Segment EBITDA	72	45
Segment EBITDA Including Non-service Cost Components of Defined Benefit Plan Costs		45
Power Technologies Segment [Member]
Segment Reporting Information [Line Items]
Net sales	296	283
Segment EBITDA	45	51
Segment EBITDA Including Non-service Cost Components of Defined Benefit Plan Costs		50
Eliminations and other [Member]
Segment Reporting Information [Line Items]
Net sales
Segment EBITDA
Segment EBITDA Including Non-service Cost Components of Defined Benefit Plan Costs
Intersegment Eliminations [Member]
Segment Reporting Information [Line Items]
Net sales	0	0
Intersegment Eliminations [Member] | Light Vehicle Segment [Member]
Segment Reporting Information [Line Items]
Net sales	33	29
Intersegment Eliminations [Member] | Commercial Vehicle Segment [Member]
Segment Reporting Information [Line Items]
Net sales	26	23
Intersegment Eliminations [Member] | Off-Highway Segment [Member]
Segment Reporting Information [Line Items]
Net sales	2
Intersegment Eliminations [Member] | Power Technologies Segment [Member]
Segment Reporting Information [Line Items]
Net sales	5	4
Intersegment Eliminations [Member] | Eliminations and other [Member]
Segment Reporting Information [Line Items]
Net sales	$ (66)	$ (56)