v3.26.3
Debt - Narrative (Details)
 1 Months Ended 9 Months Ended
Oct. 27, 2026
USD ($)
Sep. 30, 2026
USD ($)
Aug. 31, 2026
USD ($)
Jun. 30, 2026
USD ($)
Feb. 28, 2026
USD ($)
Sep. 30, 2026
USD ($)
amendment
Sep. 30, 2025
USD ($)
Jul. 31, 2026
USD ($)
Long-Term Debt                
Number of revolving credit facilities amendments | amendment           2    
Repayments of debt           $ 6,236,000,000 $ 3,075,000,000  
Minimum | Contract with Customer, Liability, Up-Front Payment Arrangement                
Long-Term Debt                
Credit agency fees, percentage of loan amount payable           2.35%    
Maximum | Contract with Customer, Liability, Up-Front Payment Arrangement                
Long-Term Debt                
Credit agency fees, percentage of loan amount payable           4.53%    
Senior Unsecured Note Due 2027 | Unsecured senior notes                
Long-Term Debt                
Fixed interest rate     5.375%          
Repayments of short-term debt     $ 250,000,000          
Loss on extinguishment of debt     0          
Term Loan Facility | Unsecured term loans                
Long-Term Debt                
Maximum borrowing capacity   $ 3,000,000,000       $ 3,000,000,000    
Debt instrument, term (in years)   364 days            
Term Loan Facility | Sandals And Beaches Resorts | Unsecured term loans                
Long-Term Debt                
Estimated ownership percentage   50.00%       50.00%    
Term Loan Facility | Minimum | Unsecured term loans                
Long-Term Debt                
Margin on floating rate base (as a percent)   1.00%            
Term Loan Facility | Maximum | Unsecured term loans                
Long-Term Debt                
Margin on floating rate base (as a percent)   1.50%            
Unsecured senior notes | Senior Unsecured Notes Due 2033 and 2038                
Long-Term Debt                
Proceeds from issuance debt         $ 2,500,000,000      
Fixed interest rate         5.25%      
Unsecured senior notes | Senior Unsecured Notes Due 2033                
Long-Term Debt                
Face amount         $ 1,250,000,000      
Fixed interest rate         4.75%      
Unsecured senior notes | Senior Unsecured Notes Due 2038                
Long-Term Debt                
Face amount         $ 1,250,000,000      
Unsecured senior notes | Senior Unsecured Notes Due 2034                
Long-Term Debt                
Face amount     1,250,000,000          
Proceeds from issuance debt     $ 1,240,000,000          
Fixed interest rate     5.55%          
Unsecured term loans | Floating Rate Term Loan Facility                
Long-Term Debt                
Repayments of debt     $ 1,000,000,000.0          
Unsecured term loans | Term Loan Facility | Subsequent Event                
Long-Term Debt                
Maximum borrowing capacity $ 400,000,000              
Debt instrument, term (in years) 5 years              
Unsecured term loans | Term Loan Facility | Minimum | Subsequent Event                
Long-Term Debt                
Margin on floating rate base (as a percent) 0.92%              
Unsecured term loans | Term Loan Facility | Maximum | Subsequent Event                
Long-Term Debt                
Margin on floating rate base (as a percent) 1.33%              
Unsecured term loans | Legend Of The Seas Unsecured Term Loan                
Long-Term Debt                
Proceeds from issuance debt       $ 1,900,000,000        
Fixed interest rate       3.41%        
Debt instrument, term (in years)       12 years        
Margin on floating rate base (as a percent)       1.19%        
Percentage of unsecured term loan guaranteed by an export credit agency       95.00%        
Revolving Credit Facility | Line of Credit | Aggregate Revolving Capacity                
Long-Term Debt                
Accordion feature increase               $ 250,000,000
Accordion feature increased capacity               $ 6,600,000,000
Remaining borrowing   $ 6,600,000,000       $ 6,600,000,000