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Relationship with Former Parent and Related Entities - Narrative (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018	Jun. 14, 2019	Dec. 31, 2018	Jun. 29, 2018
Related Party Transaction [Line Items]
Cash and cash equivalents	$ 1,062		$ 1,062			$ 864	$ 1,000
Autoliv \| Affiliated Entity
Related Party Transaction [Line Items]
Revenue from related parties	24	$ 46	77	$ 125
Autoliv \| Transition Services Agreement \| Affiliated Entity
Related Party Transaction [Line Items]
Expense under the TSA	1	2	4	5
Income under the TSA	1	$ 1	1	$ 1
Veoneer Nissin Brakes Systems \| Affiliated Entity
Related Party Transaction [Line Items]
Capital lease arrangements	$ 12		$ 12			$ 13
Veoneer Nissin Brakes Systems
Related Party Transaction [Line Items]
Minority ownership percentage	49.00%		49.00%		49.00%
Majority ownership percentage	51.00%		51.00%		51.00%