Revenue - Revenue Disaggregated by Primary Region and Products of Revenue Recognition (Detail) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2019	Jun. 30, 2018
Disaggregation of Revenue [Line Items]
Net sales	$ 489	$ 572	$ 984	$ 1,166
Operating Segments | Restraint Control Systems
Disaggregation of Revenue [Line Items]
Net sales	209	246	425	514
Operating Segments | Active Safety products
Disaggregation of Revenue [Line Items]
Net sales	184	215	375	427
Operating Segments | Brake Systems
Disaggregation of Revenue [Line Items]
Net sales	96	111	184	225
Electronics
Disaggregation of Revenue [Line Items]
Net sales	393	461	800	941
Electronics | Operating Segments | Restraint Control Systems
Disaggregation of Revenue [Line Items]
Net sales	209	246	425	514
Electronics | Operating Segments | Active Safety products
Disaggregation of Revenue [Line Items]
Net sales	184	215	375	427
Electronics | Operating Segments | Brake Systems
Disaggregation of Revenue [Line Items]
Net sales	0	0	0	0
Brake Systems
Disaggregation of Revenue [Line Items]
Net sales	96	111	184	225
Brake Systems | Operating Segments | Restraint Control Systems
Disaggregation of Revenue [Line Items]
Net sales	0	0	0	0
Brake Systems | Operating Segments | Active Safety products
Disaggregation of Revenue [Line Items]
Net sales	0	0	0	0
Brake Systems | Operating Segments | Brake Systems
Disaggregation of Revenue [Line Items]
Net sales	96	111	184	225
Asia | Operating Segments
Disaggregation of Revenue [Line Items]
Net sales	170	200	332	411
Asia | Electronics | Operating Segments
Disaggregation of Revenue [Line Items]
Net sales	89	104	179	216
Asia | Brake Systems | Operating Segments
Disaggregation of Revenue [Line Items]
Net sales	81	96	153	195
Americas | Operating Segments
Disaggregation of Revenue [Line Items]
Net sales	160	188	330	381
Americas | Electronics | Operating Segments
Disaggregation of Revenue [Line Items]
Net sales	145	173	299	351
Americas | Brake Systems | Operating Segments
Disaggregation of Revenue [Line Items]
Net sales	15	15	31	30
Europe | Operating Segments
Disaggregation of Revenue [Line Items]
Net sales	159	184	322	374
Europe | Electronics | Operating Segments
Disaggregation of Revenue [Line Items]
Net sales	159	184	322	374
Europe | Brake Systems | Operating Segments
Disaggregation of Revenue [Line Items]
Net sales	$ 0	$ 0	$ 0	$ 0