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Goodwill (Narrative) (Details) - USD ($)
12 Months Ended
Nov. 30, 2024
Dec. 31, 2024
Dec. 31, 2023
Goodwill [Line Items]      
Impairment charge   $ 576,000,000 $ 576,000,000
Silversea Cruises      
Goodwill [Line Items]      
Impairment charge $ 0    
Percentage of fair value excess of carrying amount 63.00%    
Royal Caribbean      
Goodwill [Line Items]      
Impairment charge $ 0