Equity Method Investment - Summary of Unaudited Income Statement Information (Details) - Zenuity - USD ($) $ in Millions	3 Months Ended	6 Months Ended
Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2019	Jun. 30, 2018
Schedule of Equity Method Investments [Line Items]
Net sales	$ 0	$ 2	$ 1	$ 3
Gross profit	0	0	0	0
Operating loss	(35)	(32)	(69)	(60)
Loss before income taxes	(35)	(32)	(69)	(60)
Net loss	$ (36)	$ (32)	$ (69)	$ (60)

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

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Amount of income (loss) from continuing operations reported by an equity method investee.

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The amount of net income (loss) reported by an equity method investment of the entity.

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The amount of revenue from sale of goods and services reduced by sales returns, allowances, and discounts reported by an equity method investment of the entity.

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