Amounts Related to eLong in Consolidated Results of Operations (Detail) - Disposal Group, Not Discontinued Operations - eLong, Inc - USD ($) $ in Thousands		3 Months Ended	6 Months Ended
		Jun. 30, 2015	Jun. 30, 2015
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Operating loss	[1]	$ (45,454)	$ (85,536)
Income before taxes	[2]	464,817	438,843
Income before taxes attributable to Expedia, Inc.	[2]	480,940	465,400
Net income attributable to Expedia, Inc.	[3]	$ 367,427	$ 349,183

[1] Includes stock-based compensation and amortization of intangible assets of approximately $15 million for the three months ended June 30, 2015 and $20 million for the six months ended June 30, 2015, which were included within Corporate & Eliminations in Note 15 - Segment Information.

[2] The three and six months ended June 30, 2015 includes the pre-tax gain of $509 million related to the gain on sale.

[3] The three and six months ended June 30, 2015 includes the after-tax gain of $395 million related to the gain on sale.