Consolidated Statements Of Comprehensive Income (Loss) (USD $) In Millions, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013
Net income (loss)	$ (437)	$ (41)	$ (455)	$ 34
Other comprehensive income (loss):
Foreign currency translation adjustments, net of tax of $(1), $(1), $0 and $(14)	(248)	111	(209)	41
Net change in unrealized gains on available-for-sale securities:
Unrealized gains (losses), net of tax of $2, $(1), $1 and $3	(1)	1	2	(8)
Reclassification adjustment for losses (gains) included in “Other income (expense), net,” net of tax of $(1), $0, $(1) and $(1)	(2)	1	(2)	0
Net unrealized gains (losses) on available-for-sale securities	(3)	2	0	(8)
Total other comprehensive income (loss)	(251)	113	(209)	33
Comprehensive income (loss)	$ (688)	$ 72	$ (664)	$ 67