Debt Instrument Covenant Change Of Control Percentage Of Acquired Ownership By Any Person.

No definition available.

Name:	rcl_DebtInstrumentCovenantChangeOfControlPercentageOfAcquiredOwnershipByAnyPerson
Namespace Prefix:	rcl_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Represents the number of months which are considered to determine whether there is a requirement to prepay the debts outstanding under the majority of credit facilities of the entity.

+ References

No definition available.

+ Details

Name:	rcl_NumberOfMonthsConsideredToDetermineRequirementOfPrepaymentOfDebts
Namespace Prefix:	rcl_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

Represents the number of ship under construction.

+ References

No definition available.

+ Details

Name:	rcl_NumberOfShipsUnderConstruction
Namespace Prefix:	rcl_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

- Definition

Percentage of Aggregate Cost Exposed to Fluctuations in the Euro Exchange Rate.

+ References

No definition available.

+ Details

Name:	rcl_PercentageOfAggregateCostExposedToFluctuationsInEuroExchangeRate
Namespace Prefix:	rcl_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Purchase Contract, Deposit.

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No definition available.

+ Details

Name:	rcl_PurchaseContractDeposit
Namespace Prefix:	rcl_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Ship Passenger Capacity Berths.

+ References

No definition available.

+ Details

Name:	rcl_ShipPassengerCapacityBerths
Namespace Prefix:	rcl_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

- Definition

The minimum amount the entity agreed to spend under the long-term purchase commitment.

+ References

No definition available.

+ Details

Name:	us-gaap_LongTermPurchaseCommitmentAmount
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

+ Details

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

- Details

Name:	us-gaap_UnrecordedUnconditionalPurchaseObligationByCategoryOfItemPurchasedAxis=us-gaap_CapitalAdditionsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DebtInstrumentAxis=us-gaap_LineOfCreditMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_RangeAxis=srt_MinimumMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DebtInstrumentAxis=us-gaap_DebtSecuritiesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	dei_LegalEntityAxis=rcl_RoyalCaribbeanInternationalCruiseShipsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	rcl_CruiseShipsOnOrderAxis=rcl_SilverseaCruisesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Commitments and Contingencies - Narrative (Details) $ in Millions	6 Months Ended
	Jun. 30, 2019 USD ($) ship berth	Apr. 30, 2019 ship berth	Dec. 31, 2018
Unrecorded Unconditional Purchase Obligation [Line Items]
Ship passenger capacity berths \| berth	31,700
Number of months considered to determine requirement of prepayment of debts	24 months
Cruise ships on order
Unrecorded Unconditional Purchase Obligation [Line Items]
Aggregate cost of ships on order, not including TUI cruises on order \| $	$ 10,300.0
Deposit for the purchase of ships expected to enter service \| $	$ 614.0
Percentage of aggregate cost exposed to fluctuations in the euro exchange rate	55.60%		53.50%
Line of Credit \| Minimum
Unrecorded Unconditional Purchase Obligation [Line Items]
Debt instrument covenant, minimum percentage of ownership by a person	50.00%
Debt Securities \| Minimum
Unrecorded Unconditional Purchase Obligation [Line Items]
Debt instrument covenant, minimum percentage of ownership by a person	50.00%
Royal Caribbean International Cruise Ships \| Silversea Cruises \| Cruise ships on order
Unrecorded Unconditional Purchase Obligation [Line Items]
Number of ships under construction \| ship	2	2
Ship passenger capacity berths \| berth		1,200