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Summary of Significant Accounting Policies (Passenger Ticket Revenues) (Details)
 12 Months Ended
Dec. 31, 2014
Dec. 31, 2013
Dec. 31, 2012
Segment Reporting Information [Line Items]      
Document Fiscal Year Focus 2014    
Number of cruise brands wholly owned 5rcl_NumberOfCruiseBrandsOperatedAndWhollyOwned    
Investment in a joint venture, percentage of interest 50.00%us-gaap_EquityMethodInvestmentOwnershipPercentage    
Number of operating segments 1us-gaap_NumberOfOperatingSegments    
United States      
Passengers ticket revenue, percentage      
Passengers ticket revenue, percentage 53.00%rcl_PercentageOfTotalRevenuesByCountry
/ us-gaap_StatementGeographicalAxis
= country_US		 52.00%rcl_PercentageOfTotalRevenuesByCountry
/ us-gaap_StatementGeographicalAxis
= country_US		 51.00%rcl_PercentageOfTotalRevenuesByCountry
/ us-gaap_StatementGeographicalAxis
= country_US
All other countries      
Passengers ticket revenue, percentage      
Passengers ticket revenue, percentage 47.00%rcl_PercentageOfTotalRevenuesByCountry
/ us-gaap_StatementGeographicalAxis
= rcl_OtherCountriesMember		 48.00%rcl_PercentageOfTotalRevenuesByCountry
/ us-gaap_StatementGeographicalAxis
= rcl_OtherCountriesMember		 49.00%rcl_PercentageOfTotalRevenuesByCountry
/ us-gaap_StatementGeographicalAxis
= rcl_OtherCountriesMember
TUI Cruises      
Segment Reporting Information [Line Items]      
Investment in a joint venture, percentage of interest 50.00%us-gaap_EquityMethodInvestmentOwnershipPercentage
/ us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis
= rcl_TUICruisesMember