v3.25.4
Debt - Narrative (Details)
shares in Millions
1 Months Ended 3 Months Ended 12 Months Ended
Oct. 31, 2025
USD ($)
Aug. 31, 2025
USD ($)
shares
Jul. 31, 2025
USD ($)
May 31, 2025
USD ($)
amendment
Mar. 31, 2025
USD ($)
shares
Sep. 30, 2024
USD ($)
Aug. 31, 2024
USD ($)
shares
Jun. 30, 2024
USD ($)
May 31, 2024
USD ($)
Mar. 31, 2024
USD ($)
Dec. 31, 2025
USD ($)
Jun. 30, 2025
USD ($)
Dec. 31, 2025
USD ($)
Dec. 31, 2024
Long-Term Debt                            
Number of amendments | amendment       2                    
Weighted average interest rate (as a percent)                     4.69%   4.69% 4.76%
Minimum | Up-front payment arrangement                            
Long-Term Debt                            
Credit agency fees, percentage of loan amount payable                         2.35%  
Maximum | Up-front payment arrangement                            
Long-Term Debt                            
Credit agency fees, percentage of loan amount payable                         5.48%  
Unsecured senior notes                            
Long-Term Debt                            
Loss on extinguishment of debt                         $ 61,000,000  
Weighted average interest rate (as a percent) [1]                     5.56%   5.56%  
Convertible notes                            
Long-Term Debt                            
Weighted average interest rate (as a percent) [1]                     0.00%   0.00%  
Unsecured term loans                            
Long-Term Debt                            
Weighted average interest rate (as a percent) [1]                     3.32%   3.32%  
Convertible Senior Notes Due 2025 | Unsecured senior notes                            
Long-Term Debt                            
Interest rate             6.00%              
Principal amount             $ 827,000,000              
Convertible notes shares issued (in shares) | shares             11.4              
Convertible notes, cash portion             $ 827,000,000              
Induced conversion of convertible debt                         $ 119,000,000  
Convertible Senior Notes Due 2025 | Convertible notes                            
Long-Term Debt                            
Interest rate   6.00%                        
Principal amount         $ 213,000,000                  
Convertible notes shares issued (in shares) | shares   1.8     3.0                  
Convertible notes, cash portion         $ 214,000,000                  
Outstanding balance   $ 106,000,000                        
Convertible notes cash settlement   $ 109,000,000                        
Senior Unsecured Notes Due 2036 | Unsecured senior notes                            
Long-Term Debt                            
Interest rate 5.375%                          
Issued amount $ 1,500,000,000                          
Proceeds from unsecured debt $ 1,490,000,000                          
Senior Unsecured Notes Due 2032 | Unsecured senior notes                            
Long-Term Debt                            
Interest rate                   6.25%        
Issued amount                   $ 1,250,000,000        
Proceeds from unsecured debt                   $ 1,240,000,000        
Senior Notes Due 2027 | Unsecured senior notes                            
Long-Term Debt                            
Interest rate                   11.625%        
Repayment of debt                   $ 1,250,000,000        
Loss on extinguishment of debt                         $ 116,000,000  
Senior Unsecured Notes Due 2033 | Unsecured senior notes                            
Long-Term Debt                            
Interest rate             6.00%              
Issued amount             $ 2,000,000,000              
Proceeds from unsecured debt             $ 1,980,000,000              
Senior Notes Due 2029 | Unsecured senior notes                            
Long-Term Debt                            
Interest rate             9.25%              
Repayment of debt             $ 1,000,000,000              
Senior Secured Notes Due 2029 | Unsecured senior notes                            
Long-Term Debt                            
Interest rate             8.25%              
Repayment of debt             $ 1,000,000,000              
Loss on extinguishment of debt                     $ 142,000,000      
Senior Unsecured Notes Due 2031 | Unsecured senior notes                            
Long-Term Debt                            
Interest rate           5.63%                
Issued amount           $ 1,500,000,000                
Proceeds from unsecured debt           $ 1,490,000,000                
Senior Notes Due 2030 | Unsecured senior notes                            
Long-Term Debt                            
Interest rate           7.25%                
Repayment of debt           $ 700,000,000                
Silver MoonTerm Loan Due 2028 | Secured Debt                            
Long-Term Debt                            
Repayment of debt                     $ 138,000,000      
Silver Ray Unsecured Term Loan | Unsecured term loans                            
Long-Term Debt                            
Interest rate                 4.33%          
Proceeds from unsecured debt                 $ 507,000,000          
Debt instrument, term (in years)                 12 years          
Silver Ray Unsecured Term Loan | Unsecured term loans | Euler Hermes                            
Long-Term Debt                            
Percentage of unsecured term loan guaranteed by an export credit agency                 95.00%          
Utopia of the Seas Unsecured Term Loan | Unsecured term loans                            
Long-Term Debt                            
Interest rate               3.00%            
Proceeds from unsecured debt               $ 1,500,000,000            
Debt instrument, term (in years)               12 years            
Utopia of the Seas Unsecured Term Loan | Unsecured term loans | BpiFAE                            
Long-Term Debt                            
Percentage of unsecured term loan guaranteed by an export credit agency               100.00%            
Export Credit Facilities                            
Long-Term Debt                            
Repayment of debt                       $ 839,000,000    
Star Of The Seas Unsecured Term Loan | Unsecured term loans                            
Long-Term Debt                            
Interest rate     3.76%                      
Proceeds from unsecured debt     $ 1,600,000,000                      
Debt instrument, term (in years)     12 years                      
Weighted average interest rate (as a percent)     4.28%                      
Star Of The Seas Unsecured Term Loan | Unsecured term loans | Minimum                            
Long-Term Debt                            
Debt floating rate     0.90%                      
Star Of The Seas Unsecured Term Loan | Unsecured term loans | Maximum                            
Long-Term Debt                            
Debt floating rate     1.63%                      
Star Of The Seas Unsecured Term Loan | Unsecured term loans | Finnvera PLC.                            
Long-Term Debt                            
Percentage of unsecured term loan guaranteed by an export credit agency     95.00%                      
Revolving Credit Facility | Aggregate Revolving Capacity | Credit agreement                            
Long-Term Debt                            
Maximum borrowing capacity       $ 6,400,000,000                    
[1] Weighted average interest rates are based on outstanding loan balance as of December 31, 2025, and for variable rate debt include either EURIBOR or Term SOFR plus the applicable margin.