CONSOLIDATED STATEMENTS OF OPERATIONS (USD $) In Thousands, except Per Share data, unless otherwise specified	12 Months Ended
	Dec. 31, 2012		Dec. 31, 2011		Dec. 31, 2010
Revenue	$ 4,030,347		$ 3,449,009		$ 3,033,645
Costs and expenses:
Cost of revenue	898,604	[1]	761,272	[1]	685,487	[1]
Selling and marketing (including $205,027, $211,018, and $171,110 with a related party)	1,721,037	[1]	1,474,641	[1]	1,234,781	[1]
Technology and content	484,898	[1]	380,999	[1]	308,780	[1]
General and administrative	345,354	[1]	309,708	[1]	258,604	[1]
Amortization of intangible assets	31,705		21,925		22,514
Legal reserves, occupancy tax and other	117,025		20,855		22,692
Operating income	431,724		479,609		500,787
Other income (expense):
Interest income	26,396		20,218		7,052
Interest expense	(87,788)		(90,718)		(66,428)
Other, net	(20,275)		(7,037)		(15,572)
Total other expense, net	(81,667)		(77,537)		(74,948)
Income from continuing operations before income taxes	350,057		402,072		425,839
Provision for income taxes	(47,078)		(75,731)		(120,342)
Income from continuing operations	302,979		326,341		305,497
Discontinued operations, net of taxes	(22,539)		148,262		120,063
Net income	280,440		474,603		425,560
Net income attributable to noncontrolling interests	(269)		(2,309)		(4,060)
Net income attributable to Expedia, Inc.	280,171		472,294		421,500
Amounts attributable to Expedia, Inc.:
Income from continuing operations	302,710		324,146		301,615
Discontinued operations, net of taxes	(22,539)		148,148		119,885
Net income attributable to Expedia, Inc.	$ 280,171		$ 472,294		$ 421,500
Earnings per share from continuing operations attributable to Expedia, Inc. available to common stockholders:
Basic	$ 2.26		$ 2.39		$ 2.14
Diluted	$ 2.16		$ 2.34		$ 2.09
Earnings per share attributable to Expedia, Inc. available to common stockholders:
Basic	$ 2.09		$ 3.48		$ 2.98
Diluted	$ 2.00		$ 3.41		$ 2.93
Shares used in computing earnings per share:
Basic	134,203		135,888		141,233
Diluted	139,929		138,702		144,014
Dividends declared per common share	$ 0.96		$ 0.56		$ 0.56

[1] Includes stock-based compensation as follows: Cost of revenue $ 3,296 $ 2,971 $ 2,401 Selling and marketing 13,474 13,085 11,766 Technology and content 16,073 13,505 11,665 General and administrative 31,753 34,286 26,675