Equity Method Investment - Summary of Unaudited Income Statement Information (Details) - Zenuity - USD ($) $ in Millions	3 Months Ended
Mar. 31, 2019	Mar. 31, 2018
Schedule of Equity Method Investments [Line Items]
Net sales	$ 0	$ 1
Gross profit	0	0
Operating loss	(34)	(28)
Loss before income taxes	(34)	(28)
Net loss	$ (34)	$ (28)

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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