Consolidated Statements of Comprehensive Income (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012
Statement Of Income And Comprehensive Income [Abstract]
Net income	$ 55,882	$ 59,535	$ 185,169	$ 160,871
Other comprehensive income (loss), net of tax:
Foreign currency translation adjustments	3,168	1,724	(393)	1,955
Available-for-sale investments:
Change in net unrealized gain (loss)	557		(6)
Less: reclassification adjustment for gains (losses) included in net income	(58)		(40)
Net change (net of tax effect of $340 and ($32))	499		(46)
Total other comprehensive income (loss), net of tax	3,667	1,724	(439)	1,955
Comprehensive income	59,549	61,259	184,730	162,826
Less: Comprehensive (income) loss attributable to noncontrolling interests		(175)		(381)
Comprehensive income attributable to TripAdvisor, Inc.	$ 59,549	$ 61,084	$ 184,730	$ 162,445