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Goodwill (Narrative) (Details) - USD ($)
12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2017
Goodwill [Line Items]      
Impairment charge   $ 0 $ 0
Royal Caribbean International      
Goodwill [Line Items]      
Impairment charge $ 0    
Silversea Cruises      
Goodwill [Line Items]      
Impairment charge $ 0