Earnings Per Share - Basic and Diluted Earnings Per Share (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended	6 Months Ended
Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2017	Jun. 30, 2016
Earnings Per Share [Abstract]
Net income (loss) attributable to Expedia, Inc.	$ 56,689	$ 31,649	$ (29,433)	$ (76,940)
Earnings (loss) per share attributable to Expedia, Inc. available to common stockholders:
Basic (in dollars per share)	$ 0.37	$ 0.21	$ (0.19)	$ (0.51)
Diluted (in dollars per share)	$ 0.36	$ 0.21	$ (0.19)	$ (0.51)
Weighted average number of shares outstanding:
Basic (in shares)	151,582	149,552	151,060	150,332
Dilutive effect of:
Options to purchase common stock (in shares)	4,845	3,753	0	0
Other dilutive securities (in shares)	606	227	0	0
Diluted (in shares)	157,033	153,532	151,060	150,332

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The amount of net income (loss) for the period per each share of common stock or unit outstanding during the reporting period.

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The amount of net income (loss) for the period available to each share of common stock or common unit outstanding during the reporting period and to each share or unit that would have been outstanding assuming the issuance of common shares or units for all dilutive potential common shares or units outstanding during the reporting period.

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Additional shares included in the calculation of diluted EPS as a result of the potentially dilutive effect of share based payment arrangements using the treasury stock method.

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The portion of profit or loss for the period, net of income taxes, which is attributable to the parent.

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The average number of shares or units issued and outstanding that are used in calculating diluted EPS or earnings per unit (EPU), determined based on the timing of issuance of shares or units in the period.

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