Revenue Revenue - Revenue Disaggregated by Primary Region and Products of Revenue Recognition (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
Disaggregation of Revenue [Line Items]
Net sales	$ 535,000,000	$ 526,000,000	$ 572,000,000	$ 594	$ 593,000,000	$ 567,000,000	$ 579,000,000	$ 583,000,000	$ 2,228,000,000	$ 2,322,000,000	$ 2,218,000,000
Operating Segments
Disaggregation of Revenue [Line Items]
Net sales									2,228,000,000	2,326,000,000	2,228,000,000
Operating Segments | Asia
Disaggregation of Revenue [Line Items]
Net sales									794,000,000	851,000,000	797,000,000
Operating Segments | Americas
Disaggregation of Revenue [Line Items]
Net sales									754,000,000	812,000,000	832,000,000
Operating Segments | Europe
Disaggregation of Revenue [Line Items]
Net sales									680,000,000	663,000,000	598,000,000
Operating Segments | Restraint Control Systems
Disaggregation of Revenue [Line Items]
Net sales									974,000,000	1,073,000,000	1,097,000,000
Operating Segments | Active Safety products
Disaggregation of Revenue [Line Items]
Net sales									825,000,000	778,000,000	740,000,000
Operating Segments | Brake Systems
Disaggregation of Revenue [Line Items]
Net sales									428,000,000	476,000,000	391,000,000
Less: intercompany sales
Disaggregation of Revenue [Line Items]
Net sales									0	(4,000,000)	(9,000,000)
Electronics
Disaggregation of Revenue [Line Items]
Net sales									1,800,000,000	1,849,000,000	1,835,000,000
Electronics | Operating Segments
Disaggregation of Revenue [Line Items]
Net sales									1,799,000,000	1,850,000,000	1,837,000,000
Electronics | Operating Segments | Asia
Disaggregation of Revenue [Line Items]
Net sales									424,000,000	489,000,000	521,000,000
Electronics | Operating Segments | Americas
Disaggregation of Revenue [Line Items]
Net sales									696,000,000	698,000,000	717,000,000
Electronics | Operating Segments | Europe
Disaggregation of Revenue [Line Items]
Net sales									680,000,000	663,000,000	598,000,000
Electronics | Operating Segments | Restraint Control Systems
Disaggregation of Revenue [Line Items]
Net sales									974,000,000	1,073,000,000	1,097,000,000
Electronics | Operating Segments | Active Safety products
Disaggregation of Revenue [Line Items]
Net sales									825,000,000	778,000,000	740,000,000
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	(1,000,000)	(1,000,000)
Brake Systems
Disaggregation of Revenue [Line Items]
Net sales									428,000,000	473,000,000	383,000,000
Brake Systems | Operating Segments
Disaggregation of Revenue [Line Items]
Net sales									428,000,000	476,000,000	391,000,000
Brake Systems | Operating Segments | Asia
Disaggregation of Revenue [Line Items]
Net sales									370,000,000	362,000,000	276,000,000
Brake Systems | Operating Segments | Americas
Disaggregation of Revenue [Line Items]
Net sales									58,000,000	114,000,000	115,000,000
Brake Systems | Operating Segments | Europe
Disaggregation of Revenue [Line Items]
Net sales									0	0	0
Brake Systems | Operating Segments | Restraint Control Systems
Disaggregation of Revenue [Line Items]
Net sales									0	0	0
Brake Systems | Operating Segments | Active Safety products
Disaggregation of Revenue [Line Items]
Net sales									0	0	0
Brake Systems | Operating Segments | Brake Systems
Disaggregation of Revenue [Line Items]
Net sales									428,000,000	476,000,000	391,000,000
Brake Systems | Less: intercompany sales
Disaggregation of Revenue [Line Items]
Net sales									$ 0	$ (3,000,000)	$ (8,000,000)