Fair values as of the balance sheet date of all assets resulting from contracts that meet the criteria of being accounted for as derivative instruments, net of the effects of master netting arrangements.

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Property and Equipment - Additional Information (Detail)	12 Months Ended			1 Months Ended
	Dec. 31, 2011 USD ($)	Dec. 31, 2010 USD ($)	Dec. 31, 2009 USD ($)	Nov. 30, 2010 Bleu De France USD ($)	Feb. 28, 2011 Celebrity Mercury TUI Cruises USD ($) Year	Feb. 28, 2011 Celebrity Mercury TUI Cruises EUR (€)	Dec. 31, 2009 Atlantic Star USD ($)
Property, Plant and Equipment [Line Items]
Capitalized interest cost	$ 14,000,000	$ 28,100,000	$ 41,500,000
Sale of ship	345,000,000		290,928,000	55,000,000		234,300,000
Forward contracts					290,000,000
Deferred gain on sale of ship					24,200,000
Estimated life of ship					17	17
Recognition of charge to reduce carrying value of ship to fair value less cost to sell							$ 7,100,000