Expected Dates Ships on Order Will Enter Service and Their Approximate Berths (Detail)	3 Months Ended
	Mar. 31, 2012 Passenger
Long-term Purchase Commitment [Line Items]
Approximate Berths	11,200
Solstice-class, Celebrity Reflection
Long-term Purchase Commitment [Line Items]
Expected to Enter Service	4th Quarter 2012
Approximate Berths	3,000
Royal Caribbean International Cruise Ships | First New Generation
Long-term Purchase Commitment [Line Items]
Expected to Enter Service	4th Quarter 2014
Approximate Berths	4,100
Royal Caribbean International Cruise Ships | Second New Generation
Long-term Purchase Commitment [Line Items]
Expected to Enter Service	2nd Quarter 2015
Approximate Berths	4,100