Commitments and Contingencies (Details)	12 Months Ended				12 Months Ended					12 Months Ended
	Dec. 31, 2012 USD ($)	Dec. 31, 2011	Dec. 31, 2012 TUI Cruises item	Dec. 31, 2012 Anthem of the Seas facility item	Dec. 31, 2012 Oasis-class ship fourth	Dec. 31, 2012 Quantum-class ships term loans	Dec. 31, 2011 Quantum-class ships term loans EUR (€)	Dec. 31, 2012 Quantum of the Seas facility Interest rate swap agreement	Dec. 31, 2012 Anthem of the Seas facility Interest rate swap agreement	Dec. 31, 2012 Cruise ships on order USD ($) item	Dec. 31, 2012 Royal Caribbean International Cruise Ships Quantum-class ship item	Dec. 31, 2012 Royal Caribbean International Cruise Ships Oasis-class ship item
Commitments and Contingencies
Number of ships under construction											2	1
Unsecured term loan, construction financing commitment per ship							€ 595,000,000
Percentage of unsecured term loan guaranteed by Hermes							95.00%
Unsecured term loan, amortization period							12 years
Interest rate on debt instrument (as a percent)						4.76%
Floating rate base						LIBOR
Margin on floating rate base (as a percent)						1.30%
Fixed rate on converted debt (as a percent)								3.74%	3.86%
Aggregate cost of ships expected to enter service	3,600,000,000									3,600,000,000
Deposit for the purchase of ships expected to enter service	$ 131,000,000									$ 131,000,000
Percentage of aggregate cost exposed to fluctuations in the euro exchange rate	49.70%	43.30%
Number of newbuild orders for which entity has committed bank financing arrangements			2
Approximate Berths				4,100						13,600
Optional construction contract expiration period prior to the first anniversary of the effective date of the contract					5 days