Consolidated Statements Of Comprehensive Income (Loss) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
Net income (loss)	$ 92	$ (126)	$ 35	$ (18)
Other comprehensive income (loss):
Foreign currency translation adjustments, net of tax of $1, $0, $0, and $1	128	11	(114)	39
Net change in unrealized gains on available-for-sale securities:
Unrealized gains, net of tax of $(8), $0, $(8), and $(1)	6	3	7	4
Reclassification adjustment for losses included in “Other income (expense), net,” net of tax of $0, $0, $(1), and $0	1	(1)	1	(1)
Net unrealized gains on available-for-sale securities	7	2	8	3
Total other comprehensive income (loss)	135	13	(106)	42
Comprehensive income (loss)	$ 227	$ (113)	$ (71)	$ 24