Accumulated Other Comprehensive Income (Loss) (Tables)

12 Months Ended

Dec. 31, 2017

Equity [Abstract]

Components of Accumulated Other Comprehensive Income (Loss)

The components of accumulated other comprehensive income (loss) are as follows (in millions):

	Foreign Currency
	Translation
	Adjustments
Balance at December 31, 2016		(142	)
Other comprehensive income		37
Balance at December 31, 2017		(105	)