Fair Value Measurements and Derivative Instruments - Schedule of Interest Rate Derivatives (Details) - Cash flow hedge - Interest rate swaps $ in Millions	12 Months Ended
	Dec. 31, 2025 USD ($)
Interest Rate Cash Flow Hedges [Abstract]
Notional Amount	$ 897
Quantum of the Seas term loan
Interest Rate Cash Flow Hedges [Abstract]
Notional Amount	$ 61
All-in Fixed Rate	3.78%
Anthem of the Seas term loan
Interest Rate Cash Flow Hedges [Abstract]
Notional Amount	$ 91
All-in Fixed Rate	3.90%
Ovation of the Seas term loan
Interest Rate Cash Flow Hedges [Abstract]
Notional Amount	$ 173
All-in Fixed Rate	3.20%
Harmony of the Seas term loan
Interest Rate Cash Flow Hedges [Abstract]
Notional Amount	$ 170
All-in Fixed Rate	2.26%
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
Interest Rate Cash Flow Hedges [Abstract]
Notional Amount	$ 134
All-in Fixed Rate	2.91%
Term SOFR plus \| Quantum of the Seas term loan
Interest Rate Cash Flow Hedges [Abstract]
Debt floating rate	1.30%
Term SOFR plus \| Anthem of the Seas term loan
Interest Rate Cash Flow Hedges [Abstract]
Debt floating rate	1.30%
Term SOFR plus \| Ovation of the Seas term loan
Interest Rate Cash Flow Hedges [Abstract]
Debt floating rate	1.00%
Term SOFR plus \| Odyssey of the Seas term loan
Interest Rate Cash Flow Hedges [Abstract]
Debt floating rate	0.96%
Term SOFR plus \| Odyssey of the Seas term loan
Interest Rate Cash Flow Hedges [Abstract]
Debt floating rate	0.96%
EURIBOR plus \| Harmony of the Seas term loan
Interest Rate Cash Flow Hedges [Abstract]
Debt floating rate	1.15%