Revenue Revenue - Revenue Disaggregated by Primary Region and Products of Revenue Recognition (Details) - USD ($)	3 Months Ended								12 Months Ended
	Dec. 31, 2019	Sep. 30, 2019	Jun. 30, 2019	Mar. 31, 2019	Dec. 31, 2018	Sep. 30, 2018	Jun. 30, 2018	Mar. 31, 2018	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Disaggregation of Revenue [Line Items]
Net sales	$ 456,000,000	$ 462,000,000	$ 489,000,000	$ 495,000,000	$ 535,000,000	$ 526,000,000	$ 572,000,000	$ 594,000,000	$ 1,902,000,000	$ 2,228,000,000	$ 2,322,000,000
Operating Segments
Disaggregation of Revenue [Line Items]
Net sales									1,902,000,000	2,228,000,000	2,326,000,000
Operating Segments | Asia
Disaggregation of Revenue [Line Items]
Net sales									662,000,000	794,000,000	851,000,000
Operating Segments | Americas
Disaggregation of Revenue [Line Items]
Net sales									616,000,000	754,000,000	812,000,000
Operating Segments | Europe
Disaggregation of Revenue [Line Items]
Net sales									624,000,000	680,000,000	663,000,000
Operating Segments | Restraint Control Systems
Disaggregation of Revenue [Line Items]
Net sales									822,000,000	974,000,000	1,073,000,000
Operating Segments | Active Safety products
Disaggregation of Revenue [Line Items]
Net sales									708,000,000	825,000,000	778,000,000
Operating Segments | Brake Systems
Disaggregation of Revenue [Line Items]
Net sales									372,000,000	428,000,000	476,000,000
Less: intercompany sales
Disaggregation of Revenue [Line Items]
Net sales									0	0	(4,000,000)
Electronics
Disaggregation of Revenue [Line Items]
Net sales									1,530,000,000	1,800,000,000	1,849,000,000
Electronics | Operating Segments
Disaggregation of Revenue [Line Items]
Net sales									1,530,000,000	1,799,000,000	1,850,000,000
Electronics | Operating Segments | Asia
Disaggregation of Revenue [Line Items]
Net sales									350,000,000	424,000,000	489,000,000
Electronics | Operating Segments | Americas
Disaggregation of Revenue [Line Items]
Net sales									556,000,000	696,000,000	698,000,000
Electronics | Operating Segments | Europe
Disaggregation of Revenue [Line Items]
Net sales									624,000,000	680,000,000	663,000,000
Electronics | Operating Segments | Restraint Control Systems
Disaggregation of Revenue [Line Items]
Net sales									822,000,000	974,000,000	1,073,000,000
Electronics | Operating Segments | Active Safety products
Disaggregation of Revenue [Line Items]
Net sales									708,000,000	825,000,000	778,000,000
Electronics | Operating Segments | Brake Systems
Disaggregation of Revenue [Line Items]
Net sales									0	0	0
Electronics | Less: intercompany sales
Disaggregation of Revenue [Line Items]
Net sales									0	0	(1,000,000)
Brake Systems Segment
Disaggregation of Revenue [Line Items]
Net sales									372,000,000	428,000,000	473,000,000
Brake Systems Segment | Operating Segments
Disaggregation of Revenue [Line Items]
Net sales									372,000,000	428,000,000	476,000,000
Brake Systems Segment | Operating Segments | Asia
Disaggregation of Revenue [Line Items]
Net sales									312,000,000	370,000,000	362,000,000
Brake Systems Segment | Operating Segments | Americas
Disaggregation of Revenue [Line Items]
Net sales									60,000,000	58,000,000	114,000,000
Brake Systems Segment | Operating Segments | Europe
Disaggregation of Revenue [Line Items]
Net sales									0	0	0
Brake Systems Segment | Operating Segments | Restraint Control Systems
Disaggregation of Revenue [Line Items]
Net sales									0	0	0
Brake Systems Segment | Operating Segments | Active Safety products
Disaggregation of Revenue [Line Items]
Net sales									0	0	0
Brake Systems Segment | Operating Segments | Brake Systems
Disaggregation of Revenue [Line Items]
Net sales									372,000,000	428,000,000	476,000,000
Brake Systems Segment | Less: intercompany sales
Disaggregation of Revenue [Line Items]
Net sales									$ 0	$ 0	$ (3,000,000)