Fair Value Measurements and Derivative Instruments - Derivative Instruments, Interest Rate Risk, Foreign Currency Exchange Rate Risk (Narrative) (Details) $ in Thousands, € in Millions	3 Months Ended		9 Months Ended			12 Months Ended
	Sep. 30, 2022 USD ($)	Sep. 30, 2021 USD ($)	Sep. 30, 2022 USD ($)	Sep. 30, 2022 EUR (€)	Sep. 30, 2021 USD ($)	Dec. 31, 2021 USD ($)	Dec. 31, 2021 EUR (€)
Gains and losses from derivatives involved in hedging relationships
Derivative instrument, credit risk exposure			$ 38,200
Maximum length of time hedged in derivative contract			3 years	3 years
Percentage of debt bearing fixed interest	75.30%		75.30%			65.70%
Foreign currency gain (loss)	$ 84,000	$ 13,200	$ 169,700		$ 17,900
Cruise ships on order
Gains and losses from derivatives involved in hedging relationships
Aggregate cost of ships on order, not including partner brands on order			9,100,000
Amount deposited for cost of ships on order	$ 700,000		$ 700,000
Percentage of aggregate cost exposed to fluctuations in the euro exchange rate	54.40%		54.40%			59.00%
Foreign currency debt
Gains and losses from derivatives involved in hedging relationships
Carrying value of non-derivative instrument designated as hedging instrument			$ 359,587			$ 110,313
Foreign currency debt | TUI Cruises
Gains and losses from derivatives involved in hedging relationships
Carrying value of non-derivative instrument designated as hedging instrument			359,600	€ 367.0		110,300	€ 97.0
Interest rate swaps
Gains and losses from derivatives involved in hedging relationships
Notional amount	$ 2,100,000		$ 2,100,000			$ 2,900,000
Interest rate swaps | Fair Value Hedging | Unsecured senior notes
Gains and losses from derivatives involved in hedging relationships
Interest rate	5.25%		5.25%			5.25%
Forward Contracts | Not Designated
Gains and losses from derivatives involved in hedging relationships
Notional amount	$ 1,200,000		$ 1,200,000
Foreign currency forward contracts | Not Designated
Gains and losses from derivatives involved in hedging relationships
Gain (loss) fair value of foreign currency forward contracts recognized in earnings	(88,400)	$ (12,900)	(176,300)		$ (25,900)
Foreign exchange contracts
Gains and losses from derivatives involved in hedging relationships
Notional amount	$ 2,400,000		$ 2,400,000			$ 3,400,000