Commercial Paper, Maximum Borrowing Capacity

No definition available.

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

- Definition

Represents the fees payable to the applicable export credit agency based on the outstanding loan balance, semi-annually over the term of the loan.

+ References

No definition available.

+ Details

Name:	rcl_CreditAgencyFeesPercentageOfOutstandingLoanBalance
Namespace Prefix:	rcl_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Represents the fees payable to the applicable export credit agency based on the maximum loan amount.

+ References

No definition available.

+ Details

Name:	rcl_CreditAgencyFeesPercentageofLoanAmountPayable
Namespace Prefix:	rcl_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Represents the percentage of loan obtained by the entity, for which guarantee to the lender for payment has been provided by third party.

+ References

No definition available.

+ Details

Name:	rcl_GuaranteePercent
Namespace Prefix:	rcl_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Lessee, Finance Lease, Number Of Units

+ References

No definition available.

+ Details

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

- Definition

Amount of lease obligation assumed in business combination.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 20
-Section 50
-Paragraph 1
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=116869197&loc=d3e4845-128472

+ Details

Name:	us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCapitalLeaseObligation
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Percentage points added to the reference rate to compute the variable rate on the debt instrument.

+ References

No definition available.

+ Details

Name:	us-gaap_DebtInstrumentBasisSpreadOnVariableRate1
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Face (par) amount of debt instrument at time of issuance.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 45
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=114775744&loc=d3e28551-108399

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 55
-Paragraph 8
-URI http://asc.fasb.org/extlink&oid=114775985&loc=d3e28878-108400

+ Details

Name:	us-gaap_DebtInstrumentFaceAmount
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Contractual interest rate for funds borrowed, under the debt agreement.

+ References

+ Details

Name:	us-gaap_DebtInstrumentInterestRateStatedPercentage
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

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

- Definition

Period of time between issuance and maturity of debt instrument, in PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

No definition available.

+ Details

Name:	us-gaap_DebtInstrumentTerm
Namespace Prefix:	us-gaap_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

Difference between the fair value of payments made and the carrying amount of debt which is extinguished prior to maturity.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 470
-SubTopic 50
-Section 40
-Paragraph 4
-URI http://asc.fasb.org/extlink&oid=117329964&loc=d3e12355-112629

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 470
-SubTopic 50
-Section 40
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=117329964&loc=d3e12317-112629

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 28
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3602-108585

+ Details

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

- Definition

Term of lessee's finance lease renewal, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 842
-SubTopic 20
-Section 50
-Paragraph 3
-Subparagraph (a)(3)
-URI http://asc.fasb.org/extlink&oid=77888426&loc=SL77918673-209980

+ Details

Name:	us-gaap_LesseeFinanceLeaseRenewalTerm1
Namespace Prefix:	us-gaap_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	instant

- Definition

The fee, expressed as a percentage of the line of credit facility, for the line of credit facility regardless of whether the facility has been used.

+ References

No definition available.

+ Details

Name:	us-gaap_LineOfCreditFacilityCommitmentFeePercentage
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Reflects the total carrying amount as of the balance sheet date of debt having initial terms less than one year or the normal operating cycle, if longer.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(19)(a))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 944
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-03(a)(16)(a)(1))
-URI http://asc.fasb.org/extlink&oid=119400593&loc=d3e572229-122910

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03(13))
-URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878

+ Details

Name:	us-gaap_ShortTermBorrowings
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Weighted average interest rate of short-term debt outstanding calculated at point in time.

+ References

+ Details

Name:	us-gaap_ShortTermDebtWeightedAverageInterestRate
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Including the current and noncurrent portions, carrying value as of the balance sheet date of uncollateralized debt obligations (with maturities initially due after one year or beyond the operating cycle if longer).

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(22))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03(16))
-URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 944
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-03(a)(16))
-URI http://asc.fasb.org/extlink&oid=119400593&loc=d3e572229-122910

+ Details

Name:	us-gaap_UnsecuredDebt
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Details

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

- Details

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

- Details

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

- Details

Name:	us-gaap_LongtermDebtTypeAxis=us-gaap_RevolvingCreditFacilityMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DebtInstrumentAxis=rcl_UnsecuredRevolvingCreditFacilityLIBORPlus1Point5PercentDue2020Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DebtInstrumentAxis=rcl_UnsecuredRevolvingCreditFacilityDue2022Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_VariableRateAxis=us-gaap_LondonInterbankOfferedRateLIBORMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_LongtermDebtTypeAxis=us-gaap_LoansPayableMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

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

- Details

Name:	us-gaap_LongtermDebtTypeAxis=us-gaap_UnsecuredDebtMember
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=rcl_NovationAgreementMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

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

- Details

Name:	us-gaap_VariableRateAxis=rcl_EuroInterbankOfferedRateEURIBORDomain
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_LongtermDebtTypeAxis=us-gaap_SeniorNotesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_TypeOfArrangementAxis=rcl_ContractWithCustomerLiabilityUpFrontPaymentArrangementMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_BusinessAcquisitionAxis=rcl_SilverseaCruisesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

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

- Details

Name:	us-gaap_ShortTermDebtTypeAxis=us-gaap_CommercialPaperMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_PropertyPlantAndEquipmentByTypeAxis=us-gaap_MaritimeEquipmentMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Debt (Narrative) (Details)	1 Months Ended				12 Months Ended
Debt (Narrative) (Details)	Sep. 30, 2019	Aug. 31, 2019 USD ($)	Apr. 30, 2019 USD ($)	Jun. 30, 2018 USD ($)	Dec. 31, 2019 USD ($) ship	Dec. 31, 2018 USD ($)	Dec. 31, 2017 USD ($)	May 31, 2019 USD ($)	Mar. 31, 2019 USD ($)	Jul. 31, 2018 USD ($)	Nov. 30, 2017 USD ($)	Nov. 30, 2017 EUR (€)
Long-Term Debt
Loss on extinguishment of debt					$ 6,326,000	$ 0	$ 0
Short-term debt amount outstanding		$ 2,900,000,000		$ 1,200,000,000
Silversea Cruises
Long-Term Debt
Long term debt, principal amount			$ 700,000,000
Unsecured Term Loans Guaranteed by Export Credit Agencies \| Maximum
Long-Term Debt
Credit agency fees, percentage of outstanding loan balance					0.77%
Revolving Credit Facility
Long-Term Debt
Long term debt, facility fee (as a percent)					0.125%
Revolving Credit Facility \| $1.4 billion unsecured revolving credit facility
Long-Term Debt
Long term debt, principal amount			1,700,000,000						$ 1,400,000,000
Long term debt, facility fee (as a percent)					0.125%
Revolving Credit Facility \| $1.15 billion unsecured revolving credit facility
Long-Term Debt
Long term debt, principal amount								$ 1,150,000,000
Revolving Credit Facility \| LIBOR \| $1.4 billion unsecured revolving credit facility
Long-Term Debt
Margin on floating rate base (as a percent)					1.00%
Loans Payable
Long-Term Debt
Loss on extinguishment of debt					$ 6,300,000
Loans Payable \| Term Loan
Long-Term Debt
Long term debt, principal amount			1,000,000,000.0
Loans Payable \| LIBOR \| Term Loan
Long-Term Debt
Margin on floating rate base (as a percent)					1.075%
Unsecured term loans \| Minimum
Long-Term Debt
Long term debt, stated interest rate (as a percent)					2.53%
Unsecured term loans \| Maximum
Long-Term Debt
Long term debt, stated interest rate (as a percent)					5.41%
Unsecured term loans \| Novation Agreement
Long-Term Debt
Maximum borrowing capacity			$ 908,000,000.0
Debt instrument, term			12 years
Long term debt, stated interest rate (as a percent)			3.45%
Unsecured term loans \| Unsecured Term Loan Facility
Long-Term Debt
Long term debt, principal amount											$ 89,800,000	€ 80,000,000.0
Unsecured term loans \| Euro Interbank Offered Rate (EURIBOR) \| Unsecured Term Loan Facility
Long-Term Debt
Margin on floating rate base (as a percent)					1.195%
Senior notes \| Minimum
Long-Term Debt
Long term debt, stated interest rate (as a percent)					2.65%
Senior notes \| Maximum
Long-Term Debt
Long term debt, stated interest rate (as a percent)					7.50%
Up-front payment arrangement \| Minimum
Long-Term Debt
Credit agency fees, percentage of loan amount payable					2.35%
Up-front payment arrangement \| Maximum
Long-Term Debt
Credit agency fees, percentage of loan amount payable					2.37%
Silversea Cruises
Long-Term Debt
Number of ships under finance leases \| ship					2
Finance lease obligation										$ 82,800,000
Silversea Cruises \| Silversea Cruises
Long-Term Debt
Long term debt, principal amount										$ 700,000,000
Euler Hermes \| Unsecured term loans
Long-Term Debt
Percentage of unsecured term loan guaranteed by an export credit agency	95.00%
Euler Hermes \| Unsecured term loans \| Novation Agreement
Long-Term Debt
Percentage of unsecured term loan guaranteed by an export credit agency			95.00%
Commercial paper
Long-Term Debt
Debt instrument, term					21 days	23 days
Borrowings outstanding					$ 1,400,000,000	$ 777,000,000.0
Weighted average interest rate					2.19%	3.19%
Maritime Equipment
Long-Term Debt
Number of ships under finance leases \| ship					2
Additional lease term					6 years