Fair Value Measurements and Derivative Instruments (Details 3) (USD $)	3 Months Ended	12 Months Ended
	Mar. 31, 2013	Dec. 31, 2012
Derivative instruments disclosure
Exposure under foreign currency forward contracts, foreign currency collar options, fuel call options, interest rate and fuel swap agreements	$ 45,200,000	$ 60,800,000
Percentage of long-term debt with fixed interest rate	45.50%	45.80%
Notional amount of outstanding debt related to interest rate swap	2,400,000,000	2,400,000,000
Interest rate swaps
Derivative instruments disclosure
Derivative instrument, contractual life	3 years
Interest rate swaps | Fair Value Hedging | 5.41% Fixed rate debt
Derivative instruments disclosure
Unsecured term loan	420,000,000	420,000,000
Debt amount	315,000,000
Interest rate on hedged debt (as a percent)	5.41%	5.41%
Derivative floating rate base	LIBOR	LIBOR
Derivative variable rate of interest (as a percent)	4.42%
Additional interest above LIBOR rate (as a percent)	3.87%	3.87%
Interest rate swaps | Cash flow hedge | Celebrity Reflection floating rate debt
Derivative instruments disclosure
Anticipated loan balance	627,200,000	627,200,000
Additional interest above LIBOR rate (as a percent)	0.40%	0.40%
Debt floating rate base	LIBOR	LIBOR
Fixed rate on converted debt (as a percent)	2.85%	2.85%
Interest rate swaps | Cash flow hedge | Quantum of the Seas facility
Derivative instruments disclosure
Anticipated loan balance	735,000,000
Additional interest above LIBOR rate (as a percent)	1.30%
Debt floating rate base	LIBOR
Interest rate swaps | Cash flow hedge | Quantum of the Seas facility | Scenario forecast
Derivative instruments disclosure
Fixed rate on converted debt (as a percent)	3.74%
Interest rate swaps | Cash flow hedge | Anthem of the Seas facility
Derivative instruments disclosure
Anticipated loan balance	$ 725,000,000
Additional interest above LIBOR rate (as a percent)	1.30%
Debt floating rate base	LIBOR
Interest rate swaps | Cash flow hedge | Anthem of the Seas facility | Scenario forecast
Derivative instruments disclosure
Fixed rate on converted debt (as a percent)	3.86%
Foreign exchange contracts
Derivative instruments disclosure
Derivative instrument, contractual life	3 years