Schedule of Statement of Operations Information (Detail) (USD $) In Thousands, unless otherwise specified	3 Months Ended				6 Months Ended
	Jun. 30, 2013		Jun. 30, 2012		Jun. 30, 2013		Jun. 30, 2012
Condensed Financial Statements, Captions [Line Items]
Revenue	$ 1,205,017		$ 1,039,980		$ 2,217,384		$ 1,856,468
Costs and expenses:
Cost of revenue	262,607	[1]	229,741	[1]	513,188	[1]	429,839	[1]
Selling and marketing	590,468	[1],[2]	444,573	[1],[2]	1,086,623	[1],[2]	821,645	[1],[2]
Technology and content	140,682	[1]	116,026	[1]	278,965	[1]	224,937	[1]
General and administrative	91,891	[1]	83,218	[1]	184,267	[1]	161,796	[1]
Amortization of intangible assets	18,837		8,631		31,407		12,053
Legal reserves, occupancy tax and other	6,246		3,350		67,804		3,074
Acquistion-related and other					66,472	[1]
Operating income (loss)	94,286		154,441		(11,342)		203,124
Other income (expense):
Other, net	(6,863)		(19,577)		(20,506)		(41,433)
Total other expense, net	(6,863)		(19,577)		(20,506)		(41,433)
Income (loss) before income taxes	87,423		134,864		(31,848)		161,691
Provision for income taxes	(24,408)		(28,755)		(12,505)		(33,995)
Income (loss) from continuing operations	63,015		106,109		(44,353)		127,696
Discontinued operations, net of taxes							(23,889)
Net income (loss)	63,015		106,109		(44,353)		103,807
Net (income) loss attributable to noncontrolling interests	8,485		(868)		11,627		(1,847)
Net income (loss) attributable to Expedia, Inc.	71,500		105,241		(32,726)		101,960
Comprehensive income (loss) attributable to Expedia, Inc.	73,668		81,488		(49,362)		92,549
Parent
Other income (expense):
Equity in pre-tax earnings (losses) of consolidated subsidiaries	84,609		117,025		(8,666)		149,369
Other, net	(20,797)		(20,895)		(41,680)		(41,701)
Total other expense, net	63,812		96,130		(50,346)		107,668
Income (loss) before income taxes	63,812		96,130		(50,346)		107,668
Provision for income taxes	7,688		9,111		17,620		18,181
Income (loss) from continuing operations							125,849
Discontinued operations, net of taxes							(23,889)
Net income (loss)	71,500		105,241		(32,726)		101,960
Net income (loss) attributable to Expedia, Inc.	71,500		105,241		(32,726)		101,960
Comprehensive income (loss) attributable to Expedia, Inc.	71,500		105,241		(32,726)		101,960
Guarantor Subsidiaries
Condensed Financial Statements, Captions [Line Items]
Revenue	974,513		901,215		1,824,612		1,624,735
Costs and expenses:
Cost of revenue	205,011		186,929		400,491		356,026
Selling and marketing	392,961		335,070		748,927		616,118
Technology and content	94,046		87,071		193,009		169,804
General and administrative	47,198		54,733		104,827		106,458
Amortization of intangible assets	1,168		1,573		2,481		3,333
Legal reserves, occupancy tax and other	6,246		3,350		67,804		3,074
Intercompany (income) expense, net	236,796		171,914		399,240		314,661
Operating income (loss)	(8,913)		60,575		(92,167)		55,261
Other income (expense):
Equity in pre-tax earnings (losses) of consolidated subsidiaries	79,229		104,448		40,901		138,610
Other, net	15,238		(35,556)		18,205		(35,693)
Total other expense, net	94,467		68,892		59,106		102,917
Income (loss) before income taxes	85,554		129,467		(33,061)		158,178
Provision for income taxes	(2,825)		(11,324)		23,880		(7,005)
Income (loss) from continuing operations							151,173
Net income (loss)	82,729		118,143		(9,181)		151,173
Net income (loss) attributable to Expedia, Inc.	82,729		118,143		(9,181)		151,173
Comprehensive income (loss) attributable to Expedia, Inc.	81,568		117,868		(10,558)		151,659
Non-Guarantor Subsidiaries
Condensed Financial Statements, Captions [Line Items]
Revenue	242,095		139,728		409,230		234,400
Costs and expenses:
Cost of revenue	56,126		42,680		110,548		73,358
Selling and marketing	210,580		111,085		356,363		209,226
Technology and content	46,637		29,344		85,954		55,541
General and administrative	44,680		27,609		79,382		54,353
Amortization of intangible assets	17,669		7,058		28,926		8,720
Acquistion-related and other					66,472
Intercompany (income) expense, net	(236,796)		(171,914)		(399,240)		(314,661)
Operating income (loss)	103,199		93,866		80,825		147,863
Other income (expense):
Other, net	(1,304)		36,874		2,969		35,961
Total other expense, net	(1,304)		36,874		2,969		35,961
Income (loss) before income taxes	101,895		130,740		83,794		183,824
Provision for income taxes	(29,271)		(26,542)		(54,005)		(45,171)
Income (loss) from continuing operations							138,653
Net income (loss)	72,624		104,198		29,789		138,653
Net (income) loss attributable to noncontrolling interests	8,485		(868)		11,627		(1,847)
Net income (loss) attributable to Expedia, Inc.	81,109		103,330		41,416		136,806
Comprehensive income (loss) attributable to Expedia, Inc.	84,438		79,852		26,157		126,909
Eliminations
Condensed Financial Statements, Captions [Line Items]
Revenue	(11,591)		(963)		(16,458)		(2,667)
Costs and expenses:
Cost of revenue	1,470		132		2,149		455
Selling and marketing	(13,073)		(1,582)		(18,667)		(3,699)
Technology and content	(1)		(389)		2		(408)
General and administrative	13		876		58		985
Other income (expense):
Equity in pre-tax earnings (losses) of consolidated subsidiaries	(163,838)		(221,473)		(32,235)		(287,979)
Total other expense, net	(163,838)		(221,473)		(32,235)		(287,979)
Income (loss) before income taxes	(163,838)		(221,473)		(32,235)		(287,979)
Income (loss) from continuing operations							(287,979)
Net income (loss)	(163,838)		(221,473)		(32,235)		(287,979)
Net income (loss) attributable to Expedia, Inc.	(163,838)		(221,473)		(32,235)		(287,979)
Comprehensive income (loss) attributable to Expedia, Inc.	$ (163,838)		$ (221,473)		$ (32,235)		$ (287,979)

[1] Includes stock-based compensation as follows: Cost of revenue $ 764 $ 803 $ 1,825 $ 1,722 Selling and marketing 3,649 3,248 7,914 7,693 Technology and content 4,692 3,874 10,087 8,158 General and administrative 6,981 8,696 14,695 15,999 Acquisition-related and other - - 56,643 -

[2] Includes related party amounts as follows: $ 54,053 $ 55,720 $ 115,124 $ 107,081