Quarterly report pursuant to Section 13 or 15(d)

Revenue Recognition (Details)

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Revenue Recognition (Details) - USD ($)
$ in Millions
6 Months Ended
Jun. 30, 2024
Dec. 31, 2023
Revenues, Initial Application Period Cumulative Effect Transition [Line Items]    
Receivables from customers included in accounts receivable, net $ 112.1 $ 126.4
Future cruise credits 64.5  
Contract liabilities included within advance ticket sales $ 2,900.0 $ 2,200.0
Percentage of refundable amounts included within contract liabilities 40.00%  
Revenue recognized included in contract liability $ 2,100.0  
Sales Revenue, Net | Geographic Concentration Risk    
Revenues, Initial Application Period Cumulative Effect Transition [Line Items]    
Concentration risk, benchmark No other individual country’s revenues exceed 10% in any given period.  
Sales Revenue, Net | Geographic Concentration Risk | Minimum    
Revenues, Initial Application Period Cumulative Effect Transition [Line Items]    
Percentage of revenue attributable to U.S.- sourced passengers 84.00%  
Sales Revenue, Net | Geographic Concentration Risk | Maximum    
Revenues, Initial Application Period Cumulative Effect Transition [Line Items]    
Percentage of revenue attributable to U.S.- sourced passengers 87.00%