Accumulated Other Comprehensive Income (Loss) (Tables)

12 Months Ended

Dec. 31, 2015

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 December 31, 2015 and 2014, were as follows (amounts in millions):

	For the Year Ended December 31, 2015
	Foreign currency translation adjustments			Unrealized gain (loss) on available-for- sale securities			Unrealized gain (loss) on forward contracts			Total
Balance at December 31, 2014	$	(304	)	$	1		$	—		$	(303	)
Other comprehensive income (loss) before reclassifications	(326		)	1			10			(315		)
Amounts reclassified from accumulated other comprehensive income (loss)	—			(1		)	(14		)	(15		)
Balance at December 31, 2015	$	(630	)	$	1		$	(4	)	$	(633	)

	For the Year Ended December 31, 2014
	Foreign currency translation adjustments			Unrealized gain on available-for- sale securities		Unrealized gain (loss) on forward contracts			Total
Balance at December 31, 2013	$	67		$	1	$	—		$	68
Other comprehensive income (loss) before reclassifications	(371		)	—		8			(363		)
Amounts reclassified from accumulated other comprehensive income (loss)	—			—		(8		)	(8		)
Balance at December 31, 2014	$	(304	)	$	1	$	—		$	(303	)