Accumulated Other Comprehensive Income (Loss) (Tables)

3 Months Ended

Mar. 31, 2017

Accumulated Other Comprehensive Income (Loss), Net of Tax [Abstract]

Schedule of accumulated other comprehensive income (loss)

The components of accumulated other comprehensive income (loss) at March 31, 2017 and 2016, were as follows (amounts in millions):

	For the Three Months Ended March 31, 2017
	Foreign currency translation adjustments			Unrealized gain (loss) on forward contracts			Unrealized gain (loss) on available-for-sale securities		Total
Balance at December 31, 2016	$	(659	)	$	29		$	1	$	(629	)
Other comprehensive income (loss) before reclassifications	3			(9		)	—		(6		)
Amounts reclassified from accumulated other comprehensive income (loss) into earnings	16			(6		)	—		10
Balance at March 31, 2017	$	(640	)	$	14		$	1	$	(625	)

	For the Three Months Ended March 31, 2016
	Foreign currency translation adjustments			Unrealized gain (loss) on forward contracts			Unrealized gain (loss) on available-for-sale securities		Total
Balance at December 31, 2015	$	(630	)	$	(4	)	$	1	$	(633	)
Other comprehensive income (loss) before reclassifications	(5		)	(6		)	—		(11		)
Amounts reclassified from accumulated other comprehensive income (loss) into earnings	—			1			—		1
Balance at March 31, 2016	$	(635	)	$	(9	)	$	1	$	(643	)