XML 51 R35.htm IDEA: XBRL DOCUMENT v3.25.2
Investments and Other Assets - Narrative (Details)
€ in Millions, $ in Millions
1 Months Ended 6 Months Ended
Apr. 30, 2016
Jun. 30, 2025
USD ($)
floating_drydock
Jun. 30, 2025
EUR (€)
Mar. 31, 2025
Dec. 31, 2024
USD ($)
Dec. 31, 2024
EUR (€)
TUI Cruises GmbH Joint Venture            
Investments in and Advances to Affiliates [Line Items]            
Percentage of ownership interest   50.00% 50.00%      
Investments in entity   $ 1,000     $ 814  
Underlying equity in net assets   983     749  
Advances to affiliate   $ 55 € 47   $ 57 € 55
TUI Cruises GmbH Joint Venture | TUI Cruise Ships            
Investments in and Advances to Affiliates [Line Items]            
Restriction on reduction of current ownership interest (as a percent)   37.55% 37.55%      
TUI Cruises GmbH Joint Venture | Splendour of the Seas            
Investments in and Advances to Affiliates [Line Items]            
Interest rate on loan provided to related party (as a percent) 6.25%          
Debt, guaranteed percentage 50.00%          
TUI Cruises GmbH Joint Venture | Not Primary Beneficiary            
Investments in and Advances to Affiliates [Line Items]            
Percentage of ownership interest   50.00% 50.00%      
Grand Bahama            
Investments in and Advances to Affiliates [Line Items]            
Percentage of investment to be sold         33.00% 33.00%
Grand Bahama | Not Primary Beneficiary            
Investments in and Advances to Affiliates [Line Items]            
Percentage of ownership interest   33.00% 33.00% 49.00%    
Floating Docks S. DE RL            
Investments in and Advances to Affiliates [Line Items]            
Percentage of investment to be sold         33.00% 33.00%
Floating Docks S. DE RL | Not Primary Beneficiary            
Investments in and Advances to Affiliates [Line Items]            
Percentage of ownership interest   33.00% 33.00% 50.00%    
Investments in entity   $ 102        
Number of floating drydocks | floating_drydock   2        
Percentage of certain installment payments payable   33.00% 33.00%