Revenue - Revenue Disaggregated by Primary Region and Products of Revenue Recognition (Detail) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Disaggregation of Revenue [Line Items]
Net sales	$ 362	$ 494
Operating Segments | Restraint Control Systems
Disaggregation of Revenue [Line Items]
Net sales	162	215
Operating Segments | Active Safety products
Disaggregation of Revenue [Line Items]
Net sales	163	192
Operating Segments | Brake Systems
Disaggregation of Revenue [Line Items]
Net sales	37	87
Electronics
Disaggregation of Revenue [Line Items]
Net sales	325	407
Electronics | Operating Segments | Restraint Control Systems
Disaggregation of Revenue [Line Items]
Net sales	162	215
Electronics | Operating Segments | Active Safety products
Disaggregation of Revenue [Line Items]
Net sales	163	192
Electronics | Operating Segments | Brake Systems
Disaggregation of Revenue [Line Items]
Net sales	0	0
Brake Systems
Disaggregation of Revenue [Line Items]
Net sales	37	87
Brake Systems | Operating Segments | Restraint Control Systems
Disaggregation of Revenue [Line Items]
Net sales	0	0
Brake Systems | Operating Segments | Active Safety products
Disaggregation of Revenue [Line Items]
Net sales	0	0
Brake Systems | Operating Segments | Brake Systems
Disaggregation of Revenue [Line Items]
Net sales	37	87
Asia | Operating Segments
Disaggregation of Revenue [Line Items]
Net sales	82	161
Asia | Electronics | Operating Segments
Disaggregation of Revenue [Line Items]
Net sales	58	89
Asia | Brake Systems | Operating Segments
Disaggregation of Revenue [Line Items]
Net sales	24	72
Americas | Operating Segments
Disaggregation of Revenue [Line Items]
Net sales	130	169
Americas | Electronics | Operating Segments
Disaggregation of Revenue [Line Items]
Net sales	117	154
Americas | Brake Systems | Operating Segments
Disaggregation of Revenue [Line Items]
Net sales	13	15
Europe | Operating Segments
Disaggregation of Revenue [Line Items]
Net sales	150	164
Europe | Electronics | Operating Segments
Disaggregation of Revenue [Line Items]
Net sales	150	164
Europe | Brake Systems | Operating Segments
Disaggregation of Revenue [Line Items]
Net sales	$ 0	$ 0