Segments - Segment Information (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2019	Jun. 30, 2018
Segment Reporting Information [Line Items]
Net sales	$ 2,306	$ 2,054	$ 4,469	$ 4,192
Segment EBITDA	290	251	549	505
Light Vehicle Segment [Member]
Segment Reporting Information [Line Items]
Net sales	927	873	1,833	1,823
Segment EBITDA	118	92	220	195
Commercial Vehicle Segment [Member]
Segment Reporting Information [Line Items]
Net sales	437	411	868	811
Segment EBITDA	41	41	82	75
Off-Highway Segment [Member]
Segment Reporting Information [Line Items]
Net sales	674	485	1,226	977
Segment EBITDA	103	79	185	151
Power Technologies Segment [Member]
Segment Reporting Information [Line Items]
Net sales	268	285	542	581
Segment EBITDA	28	39	62	84
Eliminations and other [Member]
Segment Reporting Information [Line Items]
Net sales
Segment EBITDA
Intersegment Eliminations [Member]
Segment Reporting Information [Line Items]
Net sales	0	0	0	0
Intersegment Eliminations [Member] | Light Vehicle Segment [Member]
Segment Reporting Information [Line Items]
Net sales	33	36	69	69
Intersegment Eliminations [Member] | Commercial Vehicle Segment [Member]
Segment Reporting Information [Line Items]
Net sales	26	28	53	54
Intersegment Eliminations [Member] | Off-Highway Segment [Member]
Segment Reporting Information [Line Items]
Net sales	5	3	10	5
Intersegment Eliminations [Member] | Power Technologies Segment [Member]
Segment Reporting Information [Line Items]
Net sales	4	6	10	11
Intersegment Eliminations [Member] | Eliminations and other [Member]
Segment Reporting Information [Line Items]
Net sales	$ (68)	$ (73)	$ (142)	$ (139)