Revenue - Revenue Disaggregated by Primary Region and Products of Revenue Recognition (Details) - USD ($) $ in Millions	3 Months Ended								12 Months Ended
	Dec. 31, 2020	Sep. 30, 2020	Jun. 30, 2020	Mar. 31, 2020	Dec. 31, 2019	Sep. 30, 2019	Jun. 30, 2019	Mar. 31, 2019	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Disaggregation of Revenue [Line Items]
Net sales	$ 455	$ 371	$ 184	$ 362	$ 456	$ 462	$ 489	$ 495	$ 1,373	$ 1,902	$ 2,228
Operating Segments
Disaggregation of Revenue [Line Items]
Net sales									1,373	1,902	2,228
Operating Segments | Restraint Control Systems
Disaggregation of Revenue [Line Items]
Net sales									670	822	974
Operating Segments | Active Safety products
Disaggregation of Revenue [Line Items]
Net sales									624	708	825
Operating Segments | Brake Systems
Disaggregation of Revenue [Line Items]
Net sales									70	372	428
Operating Segments | Asia
Disaggregation of Revenue [Line Items]
Net sales									347	662	794
Operating Segments | Americas
Disaggregation of Revenue [Line Items]
Net sales									467	616	754
Operating Segments | Europe
Disaggregation of Revenue [Line Items]
Net sales									559	624	680
Electronics
Disaggregation of Revenue [Line Items]
Net sales									1,303	1,530	1,800
Electronics | Operating Segments
Disaggregation of Revenue [Line Items]
Net sales									1,303	1,530	1,799
Electronics | Operating Segments | Restraint Control Systems
Disaggregation of Revenue [Line Items]
Net sales									670	822	974
Electronics | Operating Segments | Active Safety products
Disaggregation of Revenue [Line Items]
Net sales									624	708	825
Electronics | Operating Segments | Brake Systems
Disaggregation of Revenue [Line Items]
Net sales									0	0	0
Electronics | Operating Segments | Asia
Disaggregation of Revenue [Line Items]
Net sales									322	350	424
Electronics | Operating Segments | Americas
Disaggregation of Revenue [Line Items]
Net sales									422	556	696
Electronics | Operating Segments | Europe
Disaggregation of Revenue [Line Items]
Net sales									559	624	680
Brake Systems Segment
Disaggregation of Revenue [Line Items]
Net sales									70	372	428
Brake Systems Segment | Operating Segments
Disaggregation of Revenue [Line Items]
Net sales									70	372	428
Brake Systems Segment | Operating Segments | Restraint Control Systems
Disaggregation of Revenue [Line Items]
Net sales									0	0	0
Brake Systems Segment | Operating Segments | Active Safety products
Disaggregation of Revenue [Line Items]
Net sales									0	0	0
Brake Systems Segment | Operating Segments | Brake Systems
Disaggregation of Revenue [Line Items]
Net sales									70	372	428
Brake Systems Segment | Operating Segments | Asia
Disaggregation of Revenue [Line Items]
Net sales									25	312	370
Brake Systems Segment | Operating Segments | Americas
Disaggregation of Revenue [Line Items]
Net sales									45	60	58
Brake Systems Segment | Operating Segments | Europe
Disaggregation of Revenue [Line Items]
Net sales									$ 0	$ 0	$ 0