Consolidated and Combined Statements of Operations (Unaudited) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended
	Mar. 31, 2012		Mar. 31, 2011
Consolidated and Combined Statements of Operations [Abstract]
Revenue	$ 132,127		$ 95,278
Related-party revenue from Expedia	51,588		53,944
Total revenue	183,715		149,222
Costs and expenses:
Cost of revenue (exclusive of amortization) (1)	2,734	[1]	2,231	[1]
Selling and marketing(2)	67,389	[2]	44,195	[2]
Technology and content(2)	17,841	[2]	13,089	[2]
General and administrative(2)	16,254	[2]	8,194	[2]
Related-party shares services fee to Expedia			1,980
Depreciation	4,281		4,102
Amortization of intangible assets	1,839		2,117
Total costs and expenses	110,338		75,908
Operating income	73,377		73,314
Other income (expense):
Other interest (expense) income, net	(2,932)		98
Other, net	696		965
Total other (expense) income, net	(2,236)		1,063
Income before income taxes	71,141		74,377
Provision for income taxes	(22,970)		(27,006)
Net income	48,171		47,371
Net income attributable to noncontrolling interest	(60)		(93)
Net income attributable to TripAdvisor, Inc.	48,111		47,278
Earnings Per Share attributable to TripAdvisor, Inc:
Basic	$ 0.36		$ 0.35
Diluted	$ 0.35		$ 0.35
Weighted Average Common Shares Outstanding:
Basic	133,754		133,461
Diluted	136,158		133,461
(1) Excludes amortization as follows:
Amortization of acquired technology included in amortization of intangibles	182		162
Amortization of website development costs included in depreciation	2,713		2,692
Excluded Amortization	2,895		2,854
(2) Includes stock-based compensation as follows:
Selling and marketing	1,078		805
Technology and content	1,512		888
General and administrative	$ 2,102		$ 781

[1] Excludes amortization as follows:

[2] Includes stock-based compensation as follows: