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General (Details)
 3 Months Ended
Mar. 31, 2015
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