Schedule of Statement of Operations Information (Detail) (USD $) In Thousands, unless otherwise specified	3 Months Ended				6 Months Ended
	Jun. 30, 2014		Jun. 30, 2013		Jun. 30, 2014		Jun. 30, 2013
Condensed Financial Statements, Captions [Line Items]
Revenue	$ 1,494,632		$ 1,205,017		$ 2,695,003		$ 2,217,384
Costs and expenses:
Cost of revenue	300,501	[1]	262,607	[1]	595,120	[1]	513,188	[1]
Selling and marketing	743,616	[1]	590,468	[1]	1,368,315	[1]	1,086,623	[1]
Technology and content	169,075	[1]	140,682	[1]	332,050	[1]	278,965	[1]
General and administrative	102,540	[1]	91,891	[1]	201,585	[1]	184,267	[1]
Amortization of intangible assets	18,264		18,837		36,756		31,407
Legal reserves, occupancy tax and other	31,416		6,246		34,955		67,804
Acquisition-related and other							66,472	[1]
Operating income (loss)	129,220		94,286		126,222		(11,342)
Other income (expense):
Other, net	(22,615)		(6,863)		(39,102)		(20,506)
Total other expense, net	(22,615)		(6,863)		(39,102)		(20,506)
Income (loss) before income taxes	106,605		87,423		87,120		(31,848)
Provision for income taxes	(20,751)		(24,408)		(21,070)		(12,505)
Net income (loss)	85,854		63,015		66,050		(44,353)
Net (income) loss attributable to noncontrolling interests	3,519		8,485		9,019		11,627
Net income (loss) attributable to Expedia, Inc.	89,373		71,500		75,069		(32,726)
Comprehensive income (loss) attributable to Expedia, Inc.	86,886		73,668		82,677		(49,362)
Parent
Other income (expense):
Equity in pre-tax earnings (losses) of consolidated subsidiaries	102,419		84,609		101,153		(8,666)
Other, net	(20,692)		(20,797)		(41,371)		(41,680)
Total other expense, net	81,727		63,812		59,782		(50,346)
Income (loss) before income taxes	81,727		63,812		59,782		(50,346)
Provision for income taxes	7,646		7,688		15,287		17,620
Net income (loss)	89,373		71,500		75,069		(32,726)
Net income (loss) attributable to Expedia, Inc.	89,373		71,500		75,069		(32,726)
Comprehensive income (loss) attributable to Expedia, Inc.	89,373		71,500		75,069		(32,726)
Guarantor Subsidiaries
Condensed Financial Statements, Captions [Line Items]
Revenue	1,166,139		974,513		2,115,823		1,824,612
Costs and expenses:
Cost of revenue	235,625		205,011		467,606		400,491
Selling and marketing	502,818		392,961		926,953		748,927
Technology and content	118,478		94,046		233,403		193,009
General and administrative	63,752		47,198		97,229		104,827
Amortization of intangible assets	455		1,168		937		2,481
Legal reserves, occupancy tax and other	31,416		6,246		34,955		67,804
Intercompany (income) expense, net	192,233		236,796		380,456		399,240
Operating income (loss)	21,362		(8,913)		(25,716)		(92,167)
Other income (expense):
Equity in pre-tax earnings (losses) of consolidated subsidiaries	92,650		79,229		132,436		40,901
Other, net	11,380		15,238		(24,879)		18,205
Total other expense, net	104,030		94,467		107,557		59,106
Income (loss) before income taxes	125,392		85,554		81,841		(33,061)
Provision for income taxes	(20,625)		(2,825)		24,102		23,880
Net income (loss)	104,767		82,729		105,943		(9,181)
Net income (loss) attributable to Expedia, Inc.	104,767		82,729		105,943		(9,181)
Comprehensive income (loss) attributable to Expedia, Inc.	104,834		81,568		106,250		(10,558)
Non-Guarantor Subsidiaries
Condensed Financial Statements, Captions [Line Items]
Revenue	358,318		242,095		634,795		409,230
Costs and expenses:
Cost of revenue	63,612		56,126		124,926		110,548
Selling and marketing	271,831		210,580		499,603		356,363
Technology and content	50,819		46,637		98,640		85,954
General and administrative	38,622		44,680		104,325		79,382
Amortization of intangible assets	17,809		17,669		35,819		28,926
Acquisition-related and other							66,472
Intercompany (income) expense, net	(192,233)		(236,796)		(380,456)		(399,240)
Operating income (loss)	107,858		103,199		151,938		80,825
Other income (expense):
Other, net	(13,303)		(1,304)		27,148		2,969
Total other expense, net	(13,303)		(1,304)		27,148		2,969
Income (loss) before income taxes	94,555		101,895		179,086		83,794
Provision for income taxes	(7,772)		(29,271)		(60,459)		(54,005)
Net income (loss)	86,783		72,624		118,627		29,789
Net (income) loss attributable to noncontrolling interests	3,519		8,485		9,019		11,627
Net income (loss) attributable to Expedia, Inc.	90,302		81,109		127,646		41,416
Comprehensive income (loss) attributable to Expedia, Inc.	87,748		84,438		134,947		26,157
Eliminations
Condensed Financial Statements, Captions [Line Items]
Revenue	(29,825)		(11,591)		(55,615)		(16,458)
Costs and expenses:
Cost of revenue	1,264		1,470		2,588		2,149
Selling and marketing	(31,033)		(13,073)		(58,241)		(18,667)
Technology and content	(222)		(1)		7		2
General and administrative	166		13		31		58
Other income (expense):
Equity in pre-tax earnings (losses) of consolidated subsidiaries	(195,069)		(163,838)		(233,589)		(32,235)
Total other expense, net	(195,069)		(163,838)		(233,589)		(32,235)
Income (loss) before income taxes	(195,069)		(163,838)		(233,589)		(32,235)
Net income (loss)	(195,069)		(163,838)		(233,589)		(32,235)
Net income (loss) attributable to Expedia, Inc.	(195,069)		(163,838)		(233,589)		(32,235)
Comprehensive income (loss) attributable to Expedia, Inc.	$ (195,069)		$ (163,838)		$ (233,589)		$ (32,235)

[1] Includes stock-based compensation as follows: Cost of revenue $ 943 $ 764 $ 2,145 $ 1,825 Selling and marketing 4,820 3,649 10,155 7,914 Technology and content 4,960 4,692 10,518 10,087 General and administrative 10,291 6,981 23,017 14,695 Acquisition-related and other - - - 56,643