Consolidated Statements Of Comprehensive Income (Loss) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014
Net income (loss)	$ 79	$ (437)	$ 114	$ (455)
Other comprehensive income (loss):
Foreign currency translation adjustments, net of tax of $4, $(1), $3, and $0	(56)	(248)	(170)	(209)
Net change in unrealized gains (losses) on available-for-sale securities:
Unrealized gains (losses), net of tax of $3, $2, $(5), and $1	(3)	(1)	3	2
Reclassification adjustment for losses (gains) included in “Other income (expense), net,” net of tax of $(1), $(1), $(1), and $(1)	1	(2)	3	(2)
Net unrealized gains (losses) on available-for-sale securities	(2)	(3)	6	0
Total other comprehensive income (loss)	(58)	(251)	(164)	(209)
Comprehensive income (loss)	$ 21	$ (688)	$ (50)	$ (664)