Consolidated Statements Of Comprehensive Income (Loss) (USD $) In Millions, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014	Jun. 30, 2013
Net income (loss)	$ (126)	$ (7)	$ (18)	$ 75
Other comprehensive income (loss):
Foreign currency translation adjustments, net of tax of $0, $(4), $1 and $(13)	11	7	39	(71)
Net change in unrealized gains on available-for-sale securities:
Unrealized gains (losses), net of tax of $0, $3, $(1) and $4	3	(7)	4	(9)
Reclassification adjustment for losses (gains) included in “Other income (expense), net,” net of tax of $0, $0, $0 and $0	(1)	0	(1)	0
Net unrealized gains (losses) on available-for-sale securities	2	(7)	3	(9)
Total other comprehensive income (loss)	13	0	42	(80)
Comprehensive income (loss)	$ (113)	$ (7)	$ 24	$ (5)