Consolidated Statements Of Comprehensive Income (USD $) In Millions, unless otherwise specified	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013
Net income	$ 108	$ 82
Other comprehensive income (loss):
Foreign currency translation adjustments, net of tax of $0 and $(9)	27	(78)
Net change in unrealized gains on available-for-sale securities:
Unrealized gains (losses), net of tax of $(1) and $1	1	(2)
Reclassification adjustment for losses (gains) included in “Other income (expense), net,” net of tax of $0 and $0	0	0
Net unrealized gains (losses) on available-for-sale securities	1	(2)
Total other comprehensive income (loss)	28	(80)
Comprehensive income	$ 136	$ 2