ACQUISITION (Details) (USD $)	12 Months Ended			0 Months Ended		7 Months Ended	12 Months Ended		7 Months Ended		12 Months Ended	7 Months Ended		7 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011	May 21, 2013 KAYAK [Member]		Dec. 31, 2013 KAYAK [Member]	Dec. 31, 2013 KAYAK [Member]	Dec. 31, 2013 Trade names	Dec. 31, 2013 Trade names KAYAK [Member]	May 21, 2013 Trade names KAYAK [Member]	Dec. 31, 2013 Supply and distribution agreements	Dec. 31, 2013 Supply and distribution agreements KAYAK [Member]	May 21, 2013 Supply and distribution agreements KAYAK [Member]	Dec. 31, 2013 Technology KAYAK [Member]	May 21, 2013 Technology KAYAK [Member]
Business Acquisition [Line Items]
Percentage of interests acquired				100.00%
Purchase price net of cash acquired				$ 1,900,000,000
Cost of acquired entity, cash paid				500,000,000
Equity interests issued				1,600,000,000
Stock-based compensation expense, not yet recognized				57,400,000		16,600,000	16,600,000
Acquisition related costs							8,500,000
Stock issuance costs paid	1,191,000	0	0				1,200,000
Current assets				322,000,000	[1]
Identifiable intangible assets				871,000,000	[2]					496,000,000			302,000,000		73,000,000
Goodwill	1,767,912,000	522,672,000	504,784,000	1,232,300,000	[3]
Other long-term assets				11,700,000
Total liabilities				(368,800,000)	[4]
Purchase price, total consideration				2,068,200,000
Cash and cash equivalents				194,000,000
Amortization period (in years)									20 years			20 years		5 years
Finite lived intangibles, weighted average useful life (in years)						18 years 8 months		19 years			16 years
Deferred tax liabilities				$ 326,000,000

[1] (1) Includes cash acquired of $194 million.

[2] (2) Acquired definite-lived intangibles, with a weighted average life of 18.7 years, consisted of trade names of $496 million with an estimated useful life of 20 years, supply and distribution agreements of $302 million with an estimated useful life of 20 years, and technology of $73 million with estimated useful life of 5 years.

[3] (3) Goodwill is not tax deductible.

[4] (4) Includes deferred tax liabilities of $326 million.