The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting.

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Equity Method Investment - Narrative (Details) kr in Millions, $ in Millions			12 Months Ended
	Apr. 18, 2017 USD ($)	Apr. 18, 2017 SEK (kr)	Dec. 31, 2018 USD ($) investment	Dec. 31, 2018 SEK (kr)	Dec. 31, 2017 USD ($)	Dec. 31, 2016 USD ($)
Schedule of Equity Method Investments [Line Items]
Number of equity method investments \| investment			1
Undistributed loss from equity method investments			$ 63		$ 31	$ 0
Equity method investment			101		98
Zenuity
Schedule of Equity Method Investments [Line Items]
Cash contribution to joint venture			$ 71	kr 600
Ownership percentage in joint venture	50.00%		50.00%
Equity value of joint venture	$ 250
Share in equity value of joint venture	$ 125
Undistributed loss from equity method investments			$ 63		31
Equity method investment			$ 101		$ 98
Zenuity \| Volvo Cars
Schedule of Equity Method Investments [Line Items]
Ownership percentage in joint venture	50.00%
Zenuity \| Autoliv
Schedule of Equity Method Investments [Line Items]
Cash contribution to joint venture	$ 111	kr 1,000