Annual report [Section 13 and 15(d), not S-K Item 405]

Summary of Significant Accounting Policies - Other (Details)

v3.25.4
Summary of Significant Accounting Policies - Other (Details)
$ in Thousands, shares in Millions
 12 Months Ended
Dec. 31, 2025
USD ($)
item
segment
shares
Dec. 31, 2024
USD ($)
item
shares
Dec. 31, 2023
USD ($)
shares
Schedule Of Significant Accounting Policies [Line Items]      
Other receivables $ 105,500 $ 55,000  
Allowance for credit losses 12,500 15,100  
Expenses related to advertising costs $ 622,100 $ 513,700 $ 512,700
Antidilutive securities excluded from computation of earnings per share | shares 19.7 5.1 87.6
Number of reportable segments | segment 1    
Foreign currency transaction gain (loss) $ (180,300) $ 53,300 $ (28,700)
Accounts receivable, net $ 291,659 221,412  
U.S. corporate income tax rate 15.00%    
Ship, carrying value $ 19,068,807 $ 16,810,650  
Number of cruise ships | item 34    
Minimum      
Schedule Of Significant Accounting Policies [Line Items]      
Reduction in estimated residual values, percentage 10.00%    
Maximum      
Schedule Of Significant Accounting Policies [Line Items]      
Reduction in estimated residual values, percentage 15.00%    
Sales Revenue, Net | Geographic Concentration Risk      
Schedule Of Significant Accounting Policies [Line Items]      
Concentration risk, benchmark No other individual country’s revenues exceeded 10% in any of our last three years. No other individual country’s revenues exceeded 10% in any of our last three years. No other individual country’s revenues exceeded 10% in any of our last three years.
BAHAMAS | Ships      
Schedule Of Significant Accounting Policies [Line Items]      
Ship, carrying value $ 12,500,000 $ 11,200,000  
Number of cruise ships | item 22 21  
MARSHALL ISLANDS | Ships      
Schedule Of Significant Accounting Policies [Line Items]      
Ship, carrying value $ 4,200,000 $ 3,500,000  
Number of cruise ships | item 11 10  
UNITED STATES | Ships      
Schedule Of Significant Accounting Policies [Line Items]      
Ship, carrying value $ 300,000 $ 300,000  
Number of cruise ships | item 1 1  
UNITED STATES | Sales Revenue, Net | Geographic Concentration Risk | Passenger [Member]      
Schedule Of Significant Accounting Policies [Line Items]      
Percentage of revenue attributable to U.S.- sourced passengers 84.00%