Consolidated Statements of Changes in Stockholders' Equity (USD $) In Thousands, except Share data	Total	Class B Common Stock [Member]	Common Stock [Member]	Additional Paid-in Capital [Member]	Retained Earnings [Member]	Accumulated Other Comprehensive (Loss) Income [Member]	Treasury Stock [Member]
Beginning balance at Dec. 31, 2012	$ 726,968	$ 13	$ 130	$ 531,256	$ 196,438	$ (869)
Beginning balance, shares at Dec. 31, 2012		12,799,999	130,060,138
Net income attributable to TripAdvisor, Inc.	129,287				129,287
Currency translation adjustments	(3,561)					(3,561)
Unrealized gain on marketable securities, net of tax	(545)					(545)
Issuance of common stock related to exercise of options and vesting of RSUs	19,848		1	19,847
Issuance of common stock related to exercise of options and vesting of RSUs, shares			1,067,781
Repurchase of common stock	(42,407)						(42,407)
Repurchase of common stock, shares							(675,000)
Tax benefits on equity awards	4,852			4,852
Minimum withholding taxes on net share settlements of equity awards	(5,534)			(5,534)
Stock-based compensation expense	23,051			23,051
Ending balance at Jun. 30, 2013	$ 851,959	$ 13	$ 131	$ 573,472	$ 325,725	$ (4,975)	$ (42,407)
Ending balance, shares at Jun. 30, 2013		12,799,999	131,127,919				(675,000)