Revenue - Revenue Disaggregated by Primary Region and Products of Revenue Recognition (Detail) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Disaggregation of Revenue [Line Items]
Net sales	$ 184	$ 489	$ 546	$ 984
Operating Segments | Restraint Control Systems
Disaggregation of Revenue [Line Items]
Net sales	100	209	262	425
Operating Segments | Active Safety products
Disaggregation of Revenue [Line Items]
Net sales	79	184	241	375
Operating Segments | Brake Systems
Disaggregation of Revenue [Line Items]
Net sales	5	96	43	184
Electronics
Disaggregation of Revenue [Line Items]
Net sales	179	393	503	800
Electronics | Operating Segments | Restraint Control Systems
Disaggregation of Revenue [Line Items]
Net sales	100	209	262	425
Electronics | Operating Segments | Active Safety products
Disaggregation of Revenue [Line Items]
Net sales	79	184	241	375
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	5	96	43	184
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	5	96	43	184
Asia | Operating Segments
Disaggregation of Revenue [Line Items]
Net sales	59	170	141	332
Asia | Electronics | Operating Segments
Disaggregation of Revenue [Line Items]
Net sales	59	89	117	179
Asia | Brake Systems | Operating Segments
Disaggregation of Revenue [Line Items]
Net sales	0	81	24	153
Americas | Operating Segments
Disaggregation of Revenue [Line Items]
Net sales	48	160	179	330
Americas | Electronics | Operating Segments
Disaggregation of Revenue [Line Items]
Net sales	43	145	160	299
Americas | Brake Systems | Operating Segments
Disaggregation of Revenue [Line Items]
Net sales	5	15	19	31
Europe | Operating Segments
Disaggregation of Revenue [Line Items]
Net sales	77	159	226	322
Europe | Electronics | Operating Segments
Disaggregation of Revenue [Line Items]
Net sales	77	159	226	322
Europe | Brake Systems | Operating Segments
Disaggregation of Revenue [Line Items]
Net sales	$ 0	$ 0	$ 0	$ 0