Represents the amortization period of debt instruments.

No definition available.

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- 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

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

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

- Definition

Represents the percentage of the contract price of the ship which the bank has committed to finance.

+ References

No definition available.

+ Details

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

- Definition

Purchase Contract, Deposit.

+ References

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

Represents the maximum borrowing which the company has arranged for each ship constructed.

+ References

No definition available.

+ Details

Name:	rcl_UnsecuredTermLoanMaximumBorrowingCommitmentPerShip
Namespace Prefix:	rcl_
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

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

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.22(a)(1))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

+ Details

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

- Definition

Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.19(b),22(b))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

+ Details

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

- Definition

The interest rate applicable to the portion of the carrying amount of long-term borrowings outstanding as of the balance sheet date, including current maturities, which accrues interest at a set, unchanging rate.

+ References

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
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

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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
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- Details

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- Details

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Balance Type:
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- Details

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- Details

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Commitments and Contingencies (Details) € in Millions	1 Months Ended			12 Months Ended
Commitments and Contingencies (Details) € in Millions	Nov. 30, 2017	Oct. 31, 2017 USD ($)	Jul. 31, 2017 EUR (€) berth	Dec. 31, 2017 USD ($) ship berth	Dec. 31, 2016 EUR (€) ship berth	Oct. 31, 2017 EUR (€)
Commitments and Contingencies
Maximum borrowing capacity \| $				$ 2,600,000,000.0
Percentage of long-term debt with fixed interest rate				57.40%	40.50%
Aggregate cost of ships expected to enter service \| $				$ 13,300,000,000
Deposit for the purchase of ships expected to enter service \| $				$ 465,700,000
Percentage of aggregate cost exposed to fluctuations in the euro exchange rate				54.00%	66.70%
Project edge class ship term loans \| Project edge ship I
Commitments and Contingencies
Unsecured term loan, construction financing commitment per ship				$ 747,400,000	€ 622.6
Project edge class ship term loans \| Project edge ship II
Commitments and Contingencies
Unsecured term loan, construction financing commitment per ship				$ 752,800,000	€ 627.1
Project edge class ship term loans \| Project edge-class ship
Commitments and Contingencies
Bank financing commitment percentage					80.00%
Percentage of unsecured term loan guaranteed by an export credit agency					100.00%
Long term debt, stated interest rate (as a percent)					3.23%
Unsecured term loan, amortization period					12 years
Royal Caribbean International \| Cruise ships on order
Commitments and Contingencies
Approximate berths				30,500
Royal Caribbean International \| Cruise ships on order \| Quantum-class ship
Commitments and Contingencies
Number of ships under construction \| ship				2
Royal Caribbean International \| Cruise ships on order \| Oasis-class ship
Commitments and Contingencies
Number of ships under construction \| ship				2
Celebrity Cruise Ships \| Project edge-class ship
Commitments and Contingencies
Number of ships under construction \| ship					2
Approximate berths					2,900
Celebrity Cruise Ships \| Cruise ships on order \| Two project edge class ships
Commitments and Contingencies
Number of ships under construction \| ship				4
Approximate berths				11,700
Project Icon \| Royal Caribbean International
Commitments and Contingencies
Approximate berths				5,650
Bank financing commitment percentage		80.00%				80.00%
Project Icon \| Euler Hermes
Commitments and Contingencies
Percentage of unsecured term loan guaranteed by an export credit agency		95.00%
Third and Fourth Edge Class Ships and Fifth Oasis Class Ship
Commitments and Contingencies
Bank financing commitment percentage			80.00%
Percentage of unsecured term loan guaranteed by an export credit agency	100.00%		100.00%
Third Edge Class Ship \| Celebrity Cruise Ships
Commitments and Contingencies
Approximate berths			2,900
Fifth Oasis Class Ship \| Royal Caribbean International
Commitments and Contingencies
Approximate berths			5,450
Unsecured Debt \| Unsecured term loan maturing twelve years after ship delivery
Commitments and Contingencies
Unsecured term loan, amortization period			12 years
Unsecured Debt \| Project Icon \| Unsecured term loan maturing twelve years after ship delivery
Commitments and Contingencies
Maximum borrowing capacity		$ 1,700,000,000				€ 1,400.0
Percentage of long-term debt with fixed interest rate		75.00%				75.00%
Unsecured term loan, amortization period		12 years
Unsecured Debt \| First Project Icon Class Ship \| Unsecured term loan maturing twelve years after ship delivery
Commitments and Contingencies
Long term debt, stated interest rate (as a percent)		3.56%				3.56%
Unsecured Debt \| Second Project Icon Class Ship \| Unsecured term loan maturing twelve years after ship delivery
Commitments and Contingencies
Long term debt, stated interest rate (as a percent)		3.76%				3.76%
Unsecured Debt \| Third Edge Class Ship \| Unsecured term loan maturing twelve years after ship delivery
Commitments and Contingencies
Maximum borrowing capacity \| €			€ 684.2
Long term debt, stated interest rate (as a percent)			1.28%
Unsecured Debt \| Fourth Edge Class Ship \| Unsecured term loan maturing twelve years after ship delivery
Commitments and Contingencies
Maximum borrowing capacity			€ 714.6	$ 857,900,000
Unsecured Debt \| Fifth Oasis Class Ship \| Unsecured term loan maturing twelve years after ship delivery
Commitments and Contingencies
Maximum borrowing capacity			€ 1,100.0	$ 1,300,000,000
Unsecured Debt \| Fourth Edge and Fifth Oasis Class Ships \| Unsecured term loan maturing twelve years after ship delivery
Commitments and Contingencies
Long term debt, stated interest rate (as a percent)			3.18%
Unsecured Debt \| Minimum \| First Project Icon Class Ship \| LIBOR \| Unsecured term loan maturing twelve years after ship delivery
Commitments and Contingencies
Margin on floating rate base (as a percent)		1.10%
Unsecured Debt \| Minimum \| Second Project Icon Class Ship \| LIBOR \| Unsecured term loan maturing twelve years after ship delivery
Commitments and Contingencies
Margin on floating rate base (as a percent)		1.15%
Unsecured Debt \| Maximum \| First Project Icon Class Ship \| LIBOR \| Unsecured term loan maturing twelve years after ship delivery
Commitments and Contingencies
Margin on floating rate base (as a percent)		1.15%
Unsecured Debt \| Maximum \| Second Project Icon Class Ship \| LIBOR \| Unsecured term loan maturing twelve years after ship delivery
Commitments and Contingencies
Margin on floating rate base (as a percent)		1.20%