Equity Method Investment - Summary of Unaudited Income Statement Information (Details) - Zenuity - USD ($) $ in Millions	12 Months Ended
Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Schedule of Equity Method Investments [Line Items]
Net sales	$ 5	$ 5	$ 0
Gross profit	0	0	0
Operating loss	(125)	(61)	0
Loss before income taxes	(125)	(61)	0
Net loss	$ (125)	$ (61)	$ 0

The amount of gross profit (loss) reported by an equity method investment of the entity.

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