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General (Details)
 12 Months Ended
Dec. 31, 2014
Mar. 31, 2014
Dec. 31, 2013
General      
Investment in a joint venture, percentage of interest 50.00%us-gaap_EquityMethodInvestmentOwnershipPercentage    
Number of cruise brands 6rcl_NumberOfCruiseBrands    
Number of ships in operation 43rcl_NumberOfCruiseShips    
Number of destinations 480rcl_NumberOfDestinations    
Number of continents 7rcl_NumberOfContinents    
Minimum      
General      
Investment in a joint venture, percentage of interest 20.00%us-gaap_EquityMethodInvestmentOwnershipPercentage
/ us-gaap_RangeAxis
= us-gaap_MinimumMember		    
Maximum      
General      
Investment in a joint venture, percentage of interest 50.00%us-gaap_EquityMethodInvestmentOwnershipPercentage
/ us-gaap_RangeAxis
= us-gaap_MaximumMember		    
TUI Cruises      
General      
Investment in a joint venture, percentage of interest 50.00%us-gaap_EquityMethodInvestmentOwnershipPercentage
/ us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis
= rcl_TUICruisesMember		    
Pullmantur and CDF Croisieres de France      
General      
Time lag in consolidation 2 months    
Pullmantur Air      
General      
Noncontrolling Interest, Ownership Percentage by Parent   19.00%us-gaap_MinorityInterestOwnershipPercentageByParent
/ us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis
= rcl_PullmanturAirMember		 49.00%us-gaap_MinorityInterestOwnershipPercentageByParent
/ us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis
= rcl_PullmanturAirMember