Accumulated Other Comprehensive Income (Loss) (Tables)

6 Months Ended

Jun. 30, 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		22
Balance at June 30, 2017	$	(120	)