Income Taxes - Additional Information (Details) - USD ($)	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
Income Tax Contingency [Line Items]
Income tax expense (benefit)	$ 0	$ 25,000,000
Income tax benefit related to toll tax	2,000,000
Reasonably possible change in unrecognized tax benefits	11,000,000
Spain, China, and Czech Republic
Income Tax Contingency [Line Items]
One time tax benefit	$ 51,000,000