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Relationship with Former Parent and Related Entities - Narrative (Details) - USD ($)	3 Months Ended	12 Months Ended
	Sep. 30, 2018	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017	Jun. 29, 2018
Related Party Transaction [Line Items]
Related party purchases		$ 16,000,000	$ 22,000,000	$ 25,000,000
Financial lease non-current liabilities			1,000,000
True up adjustment to related party payable in connection with the Spin-Off	$ 3,000,000
Deferred tax			8,000,000
Cash and cash equivalents		859,000,000	864,000,000		$ 1,000,000,000
Affiliated Entity \| Autoliv Nissin Brakes Systems
Related Party Transaction [Line Items]
Expenses, related party		5,000,000	7,000,000	0
Affiliated Entity \| Autoliv
Related Party Transaction [Line Items]
Revenue from related parties		101,000,000	121,000,000	$ 148,000,000
Affiliated Entity \| Autoliv \| Engineering Services
Related Party Transaction [Line Items]
Revenue from related parties		2,000,000	1,000,000
Related Party Costs		$ 1,000,000	$ 1,000,000
Veoneer Nissin Brakes Systems
Related Party Transaction [Line Items]
Majority ownership percentage		51.00%
VNBS \| Nissin Kogyo
Related Party Transaction [Line Items]
Minority ownership percentage		49.00%