Goodwill and Intangible Assets, Net (Tables)

12 Months Ended

Dec. 31, 2016

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of Goodwill and Intangible Assets

The following table presents our goodwill and intangible assets as of December 31, 2016 and 2015:

	December 31,
	2016		2015
	(In thousands)
Goodwill	$	7,942,023	$	7,992,941
Intangible assets with indefinite lives	1,457,072		1,459,854
Intangible assets with definite lives, net	989,580		1,334,100
	$	10,388,675	$	10,786,895

Changes in Goodwill by Reportable Segment

The following table presents the changes in goodwill by reportable segment:

	Core OTA			trivago			Egencia			HomeAway			eLong			Total
	(In thousands)
Balance as of January 1, 2015	$	3,133,495		$	593,419		$	156,324		$	—		$	72,663		$	3,955,901
Additions	1,633,711			6,241			—			2,602,712			469			4,243,133
Deductions	—			—			—			—			(72,693		)	(72,693		)
Foreign exchange translation	(49,835		)	(60,083		)	(23,043		)	—			(439		)	(133,400		)
Balance as of December 31, 2015	4,717,371			539,577			133,281			2,602,712			—			7,992,941
Additions	128			—			—			—			—			128
Foreign exchange translation and other	(14,028		)	(23,339		)	(1,552		)	(12,127		)	—			(51,046		)
Balance as of December 31, 2016	$	4,703,471		$	516,238		$	131,729		$	2,590,585		$	—		$	7,942,023

Components of Intangible Assets with Definite Lives

The following table presents the components of our intangible assets with definite lives as of December 31, 2016 and 2015:

	December 31, 2016							December 31, 2015
	Cost		Accumulated Amortization			Net		Cost		Accumulated Amortization			Net
	(In thousands)
Supplier relationships	$	618,543	$	(289,834	)	$	328,709	$	655,414	$	(223,666	)	$	431,748
Technology	480,823		(355,471		)	125,352		490,584		(258,261		)	232,323
Customer relationships	622,117		(185,468		)	436,649		613,277		(73,248		)	540,029
Domain names	117,109		(53,607		)	63,502		115,102		(34,758		)	80,344
Other	446,617		(411,249		)	35,368		446,788		(397,132		)	49,656
Total	$	2,285,209	$	(1,295,629	)	$	989,580	$	2,321,165	$	(987,065	)	$	1,334,100

Estimated Future Amortization Expense Related to Intangible Assets

The estimated future amortization expense related to intangible assets with definite lives as of December 31, 2016, assuming no subsequent impairment of the underlying assets, is as follows, in thousands:

2017	$	260,731
2018	245,598
2019	148,585
2020	113,311
2021	77,995
2022 and thereafter	143,360
Total	$	989,580