Fair Value Measurements and Derivative Instruments (Details 3) (USD $)	9 Months Ended				9 Months Ended	12 Months Ended	3 Months Ended	9 Months Ended	12 Months Ended	9 Months Ended		9 Months Ended
	Sep. 30, 2013	Dec. 31, 2012	Sep. 30, 2013 Interest rate swaps	Dec. 31, 2012 Interest rate swaps	Sep. 30, 2013 Interest rate swaps Fair Value Hedging 5.41% Fixed rate debt	Dec. 31, 2012 Interest rate swaps Fair Value Hedging 5.41% Fixed rate debt	Jun. 30, 2013 Interest rate swaps Fair Value Hedging Unsecured senior notes 5.25% due 2022	Sep. 30, 2013 Interest rate swaps Cash flow hedge Celebrity Reflection floating rate debt	Dec. 31, 2012 Interest rate swaps Cash flow hedge Celebrity Reflection floating rate debt	Sep. 30, 2013 Interest rate swaps Cash flow hedge Quantum of the Seas facility	Sep. 30, 2013 Interest rate swaps Cash flow hedge Quantum of the Seas facility Forecast	Sep. 30, 2013 Interest rate swaps Cash flow hedge Anthem of the Seas facility	Sep. 30, 2013 Interest rate swaps Cash flow hedge Anthem of the Seas facility Forecast	Sep. 30, 2013 Foreign exchange contracts	Dec. 31, 2012 Foreign exchange contracts
Derivative instruments disclosure
Exposure under foreign currency forward contracts, foreign currency collar options, fuel call options, interest rate and fuel swap agreements	$ 48,700,000	$ 60,800,000
Derivative instrument, observation period	3 years
Percentage of long-term debt with fixed interest rate	40.40%	45.80%
Unsecured term loan					420,000,000	420,000,000	650,000,000
Debt amount					297,500,000
Interest rate on hedged debt (as a percent)					5.41%	5.41%	5.25%
Derivative floating rate base					LIBOR	LIBOR	LIBOR
Derivative variable rate of interest (as a percent)					4.30%		3.90%
Anticipated loan balance								627,200,000	627,200,000	735,000,000		725,000,000
Additional interest above LIBOR rate (as a percent)							3.63%	0.40%	0.40%	1.30%		1.30%
Debt floating rate base								LIBOR	LIBOR	LIBOR		LIBOR
Additional interest above LIBOR rate (as a percent)					3.87%	3.87%
Fixed rate on converted debt (as a percent)								2.85%	2.85%		3.74%		3.86%
Notional amount			$ 3,000,000,000	$ 2,400,000,000										$ 2,100,000,000	$ 1,200,000,000