ACQUISITIONS (Details) (USD $)	12 Months Ended				0 Months Ended	3 Months Ended	0 Months Ended
	Dec. 31, 2014		Dec. 31, 2013	Dec. 31, 2012	Jul. 24, 2014	Jun. 30, 2014	May 21, 2013	May 21, 2013
Business Acquisition [Line Items]
Acquisition related costs	$ 6,900,000
Goodwill	3,326,474,000		1,767,912,000	522,672,000
Stock issuance costs paid	0		1,191,000	0
OpenTable
Business Acquisition [Line Items]
Purchase price, total consideration	2,529,000,000				2,500,000,000
Purchase price net of cash acquired					2,400,000,000
Business Acquisition, Share Price					$ 103.00
Acquisition date fair value of assumed equity awards					95,000,000
Number of Restaurants					32,000
Cash Acquired from Acquisition	126,000,000
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life	18 years 10 months
Current assets	203,000,000	[1]
Identifiable intangible assets	1,435,000,000	[2]
Deferred Tax Liabilities, Intangible Assets	543,000,000
Goodwill	1,500,000,000	[3]
Other long-term assets	38,000,000
Total liabilities	(647,000,000)	[4]
Series of Individually Immaterial Business Acquisitions
Business Acquisition [Line Items]
Payments to Acquire Businesses, Net of Cash Acquired						98,000,000
Business Combination, Contingent Consideration, Liability	10,700,000
Business Combination, Contingent Consideration Arrangements, Range of Outcomes, Value, Low	0
Business Combination, Contingent Consideration Arrangements, Range of Outcomes, Value, High	71,000,000
KAYAK
Business Acquisition [Line Items]
Purchase price, total consideration							2,100,000,000	2,100,000,000
Purchase price net of cash acquired							1,900,000,000	1,900,000,000
Acquisition date fair value of assumed equity awards							57,400,000
Acquisition related costs			8,500,000
Business Acquisition, Percentage of Voting Interests Acquired							100.00%	100.00%
Payments to Acquire Businesses, Gross								500,000,000
Business Combination, Consideration Transferred, Equity Interests Issued and Issuable								1,600,000,000
Stock issuance costs paid			1,200,000
Trade names | OpenTable
Business Acquisition [Line Items]
Identifiable intangible assets	1,100,000,000
Amortization Period	20 years
Customer Relationships | OpenTable
Business Acquisition [Line Items]
Identifiable intangible assets	290,000,000
Amortization Period	15 years
Technology-Based Intangible Assets | OpenTable
Business Acquisition [Line Items]
Identifiable intangible assets	$ 15,000,000
Amortization Period	5 years

[1] Includes cash acquired of $126 million.

[2] Acquired definite-lived intangibles, with a weighted average life of 18.8 years, consisted of trade names of $1.1 billion with an estimated useful life of 20 years, supply and distribution agreements of $290 million with an estimated useful life of 15 years, and technology of $15 million with estimated useful life of 5 years.

[3] Goodwill is not tax deductible.

[4] Includes deferred tax liabilities of $543 million.