Line of Credit Facility, Additional Utilization Fee Basis Points

No definition available.

Name:	ccl_LineOfCreditFacilityAdditionalUtilizationFeeBasisPoints
Namespace Prefix:	ccl_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Line of Credit Facility, Number of Undrawn Facilities

+ References

No definition available.

+ Details

Name:	ccl_LineofCreditFacilityNumberofUndrawnFacilities
Namespace Prefix:	ccl_
Data Type:	xbrli:integerItemType
Balance Type:	na
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

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

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

Period remaining on line of credit facility before it terminates, 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_LineOfCreditFacilityExpirationPeriod
Namespace Prefix:	us-gaap_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

Amount of borrowing capacity currently available under the credit facility (current borrowing capacity less the amount of borrowings outstanding).

+ 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_LineOfCreditFacilityRemainingBorrowingCapacity
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Carrying value as of the balance sheet date of uncollateralized debt obligation (with maturities initially due after one year or beyond the operating cycle if longer), excluding current portion.

+ 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)
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

+ Details

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

- Details

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

- Details

Name:	us-gaap_LineOfCreditFacilityAxis=ccl_MainCreditFacilityMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_LongtermDebtTypeAxis=ccl_UtilizationoflessthanOneThirdofAvailableLineofCreditFacilityMember
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Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_LongtermDebtTypeAxis=ccl_UtilizationofmorethanOneThirdofAvailableLineofCreditFacilityMember
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Data Type:	na
Balance Type:
Period Type:

- Details

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

- Details

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

- Details

Name:	us-gaap_LongtermDebtTypeAxis=ccl_EuroDenominatedMember
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Data Type:	na
Balance Type:
Period Type:

- Details

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

- Details

Name:	us-gaap_VariableRateAxis=ccl_LIBOREURIBORMember
Namespace Prefix:
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Unsecured Debt - Additional Information (Details) - Revolving Credit Facility $ in Millions, € in Billions, £ in Billions	1 Months Ended	12 Months Ended
	Apr. 30, 2015	Nov. 30, 2015 EUR (€) debt_instrument	Nov. 30, 2015 GBP (£) debt_instrument	Nov. 30, 2015 USD ($) debt_instrument
Debt Instrument [Line Items]
Long-term debt				$ 300
Number of undrawn revolving credit facilities \| debt_instrument		1	1	1
Line of credit facility available amount				$ 2,800
Main Credit Facility
Debt Instrument [Line Items]
Credit facility expiration period	5 years
Long-term debt				$ 2,500
Commitment fee percentage	35.00%
Main Credit Facility \| Utilization of less than One Third of Available Line of Credit Facility
Debt Instrument [Line Items]
Additional utilization fee		0.10%	0.10%	0.10%
Main Credit Facility \| Utilization of more than One Third of Available Line of Credit Facility
Debt Instrument [Line Items]
Additional utilization fee		0.20%	0.20%	0.20%
Main Credit Facility \| Utilization of more than Two Thirds of Available Line of Credit Facility
Debt Instrument [Line Items]
Additional utilization fee		0.40%	0.40%	0.40%
Main Credit Facility \| U.S. Dollar Denominated Debt
Debt Instrument [Line Items]
Long-term debt				$ 1,700
Main Credit Facility \| Euro Denominated
Debt Instrument [Line Items]
Long-term debt \| €		€ 0.5
Main Credit Facility \| Sterling Denominated Debt
Debt Instrument [Line Items]
Long-term debt \| £			£ 0.2
LIBOR/EURIBOR \| Main Credit Facility
Debt Instrument [Line Items]
Interest rate (as a percent)		40.00%