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Fair Value Measurements and Derivative Instruments (Concentrations of Credit Risk) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Derivative Instruments and Hedging Activities Disclosure [Abstract]
Derivative instrument, credit risk exposure	$ 1.9	$ 26.9

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- Definition

Derivative Instrument, Credit Risk Exposure

+ References

No definition available.

+ Details

Name:	rcl_DerivativeInstrumentCreditRiskExposure
Namespace Prefix:	rcl_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

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- References

No definition available.

+ Details

Name:	us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosureAbstract
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration