Unsecured Debt Unsecured Debt - Schedule of Composition of Debt (Details)	Nov. 30, 2016	Nov. 30, 2015
U.S. Dollar Denominated Debt
Debt Instrument [Line Items]
Percentage of debt bore fixed interest rates, including the effect of interest rate swaps	28.00%	32.00%
Percentage of debt bore floating interest rates, including the effect of interest rate swaps	14.00%	18.00%
Euro Denominated
Debt Instrument [Line Items]
Percentage of debt bore fixed interest rates, including the effect of interest rate swaps	35.00%	28.00%
Percentage of debt bore floating interest rates, including the effect of interest rate swaps	23.00%	22.00%

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.

No definition available.

+ Details

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

- 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

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

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

- Definition

+ References

+ Details

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

- Details

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

- Details

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