Revenue - Revenue Disaggregated by Primary Region and Products of Revenue Recognition (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Disaggregation of Revenue [Line Items]
Net sales	$ 391	$ 371	$ 1,208	$ 918
Operating Segments | Restraint Control Systems
Disaggregation of Revenue [Line Items]
Net sales	153	188	517	450
Operating Segments | Active Safety products
Disaggregation of Revenue [Line Items]
Net sales	215	170	618	411
Operating Segments | Brake Systems
Disaggregation of Revenue [Line Items]
Net sales	11	13	35	57
Operating Segments | Other
Disaggregation of Revenue [Line Items]
Net sales	12	0	38	0
Electronics
Disaggregation of Revenue [Line Items]
Net sales	380	358	1,173	861
Electronics | Operating Segments | Restraint Control Systems
Disaggregation of Revenue [Line Items]
Net sales	153	188	517	450
Electronics | Operating Segments | Active Safety products
Disaggregation of Revenue [Line Items]
Net sales	215	170	618	411
Electronics | Operating Segments | Brake Systems
Disaggregation of Revenue [Line Items]
Net sales	0	0	0	0
Electronics | Operating Segments | Other
Disaggregation of Revenue [Line Items]
Net sales	12	0	38	0
Brake Systems
Disaggregation of Revenue [Line Items]
Net sales	11	13	35	57
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	11	13	35	57
Brake Systems | Operating Segments | Other
Disaggregation of Revenue [Line Items]
Net sales	0	0	0	0
Asia | Operating Segments
Disaggregation of Revenue [Line Items]
Net sales	111	85	310	226
Asia | Electronics | Operating Segments
Disaggregation of Revenue [Line Items]
Net sales	111	85	310	202
Asia | Brake Systems | Operating Segments
Disaggregation of Revenue [Line Items]
Net sales	0	0	0	24
Americas | Operating Segments
Disaggregation of Revenue [Line Items]
Net sales	127	136	397	316
Americas | Electronics | Operating Segments
Disaggregation of Revenue [Line Items]
Net sales	116	123	362	283
Americas | Brake Systems | Operating Segments
Disaggregation of Revenue [Line Items]
Net sales	11	13	35	33
Europe | Operating Segments
Disaggregation of Revenue [Line Items]
Net sales	153	150	501	376
Europe | Electronics | Operating Segments
Disaggregation of Revenue [Line Items]
Net sales	153	150	501	376
Europe | Brake Systems | Operating Segments
Disaggregation of Revenue [Line Items]
Net sales	$ 0	$ 0	$ 0	$ 0