Business Combinations - Autoliv-Nissin Brake Systems Acquisition (Details) - USD ($)		3 Months Ended								9 Months Ended	12 Months Ended
	Mar. 31, 2016	Dec. 31, 2018	Sep. 30, 2018	Jun. 30, 2018	Mar. 31, 2018	Dec. 31, 2017	Sep. 30, 2017	Jun. 30, 2017	Mar. 31, 2017	Dec. 31, 2016	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Business Acquisition [Line Items]
Operating loss		$ (75,000,000)	$ (58,000,000)	$ (48,000,000)	$ (16)	$ (244,000,000)	$ (16,000,000)	$ (12,000,000)	$ (10,000,000)		$ (197,000,000)	$ (283,000,000)	$ (25,000,000)
Goodwill		291,000,000				292,000,000				$ 490,000,000	291,000,000	292,000,000	490,000,000
Related party short-term debt		$ 1,000,000				$ 0					$ 1,000,000	0
Autoliv Nissin Brakes Systems
Business Acquisition [Line Items]
Interest acquired	51.00%
Consideration transferred in cash	$ 263,000,000
Sales in acquiree since acquisition date													391,000,000
Net loss in acquiree since acquisition date													5,000,000
Net loss in acquiree since acquisition date attributable to noncontrolling interest													7,000,000
Acquisition related costs													2,000,000
Business combination, intangible assets	112,000,000
Goodwill	235,000,000
Autoliv Nissin Brakes Systems | Customer Contracts
Business Acquisition [Line Items]
Business combination, intangible assets	$ 51,000,000
Acquired intangible assets, useful life	7 years
Autoliv Nissin Brakes Systems | Technology-Based Intangible Assets
Business Acquisition [Line Items]
Business combination, intangible assets	$ 61,000,000
Acquired intangible assets, useful life	10 years
Autoliv Nissin Brakes Systems | Affiliated Entity
Business Acquisition [Line Items]
Repayments of short-term debt												$ 4,000,000
Fair Value Adjustment to Inventory | Autoliv Nissin Brakes Systems
Business Acquisition [Line Items]
Operating loss										1,000,000
Autoliv Nissin Brake System China Zhongshan
Business Acquisition [Line Items]
Ownership by parent	51.00%
Autoliv Nissin Brakes Systems | Nissin Kogyo
Business Acquisition [Line Items]
Ownership percentage in joint venture	49.00%
Autoliv Nissin Brake System China Zhongshan | Autoliv Nissin Brakes Systems | Affiliated Entity
Business Acquisition [Line Items]
Related party short-term debt										$ 4,000,000			$ 4,000,000