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Fair Value Measurements and Derivative Instruments - Schedule of Interest Rate Derivatives (Details) - Interest rate swaps - Cash Flow Hedge
$ in Millions
3 Months Ended
Mar. 31, 2026
USD ($)
Interest Rate Cash Flow Hedges [Abstract]  
Notional amount $ 893
Quantum of the Seas term loan  
Interest Rate Cash Flow Hedges [Abstract]  
Notional amount $ 61
All-in Fixed Rate 3.78%
Quantum of the Seas term loan | Term SOFR plus  
Interest Rate Cash Flow Hedges [Abstract]  
Debt Floating Rate 1.30%
Anthem of the Seas term loan  
Interest Rate Cash Flow Hedges [Abstract]  
Notional amount $ 91
All-in Fixed Rate 3.90%
Anthem of the Seas term loan | Term SOFR plus  
Interest Rate Cash Flow Hedges [Abstract]  
Debt Floating Rate 1.30%
Ovation of the Seas term loan  
Interest Rate Cash Flow Hedges [Abstract]  
Notional amount $ 173
All-in Fixed Rate 3.20%
Ovation of the Seas term loan | Term SOFR plus  
Interest Rate Cash Flow Hedges [Abstract]  
Debt Floating Rate 1.00%
Harmony of the Seas term loan  
Interest Rate Cash Flow Hedges [Abstract]  
Notional amount $ 166
All-in Fixed Rate 2.26%
Harmony of the Seas term loan | EURIBOR plus  
Interest Rate Cash Flow Hedges [Abstract]  
Debt Floating Rate 1.15%
Odyssey of the Seas term loan  
Interest Rate Cash Flow Hedges [Abstract]  
Notional amount $ 268
All-in Fixed Rate 3.28%
Odyssey of the Seas term loan | Term SOFR plus  
Interest Rate Cash Flow Hedges [Abstract]  
Debt Floating Rate 0.96%
Odyssey of the Seas term loan  
Interest Rate Cash Flow Hedges [Abstract]  
Notional amount $ 134
All-in Fixed Rate 2.91%
Odyssey of the Seas term loan | Term SOFR plus  
Interest Rate Cash Flow Hedges [Abstract]  
Debt Floating Rate 0.96%