Debt Instrument Maturity Month Year

No definition available.

Name:	ccl_DebtInstrumentMaturityMonthYear
Namespace Prefix:	ccl_
Data Type:	us-types:dateStringItemType
Balance Type:	na
Period Type:	duration

- Definition

Amount of short-term debt and current maturity of long-term debt and capital lease obligations due within one year or the normal operating cycle, if longer.

+ 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 210.5-02.19,20)

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

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 19

-Article 5

+ Details

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

- Definition

The effective interest rate at the end of the reporting period.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 835

-SubTopic 30

-Section 45

-Paragraph 2

-URI http://asc.fasb.org/extlink&oid=6451184&loc=d3e28551-108399

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 22

-Article 5

Reference 3: 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_DebtInstrumentInterestRateAtPeriodEnd
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Description of the interest rate as being fixed or variable, and, if variable, identification of the index or rate on which the interest rate is based and the number of points or percentage added to that index or rate to set the rate, and other pertinent information, such as frequency of rate resets.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 22

-Article 5

Reference 2: 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_DebtInstrumentInterestRateTerms
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- 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

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 SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 22

-Article 5

Reference 2: 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

Unsecured Debt - Additional Information (Detail) In Millions, unless otherwise specified		6 Months Ended									6 Months Ended			6 Months Ended
	May 31, 2014 Unsecured Floating Rate Euro Denominated Revolving Bank Loan Facility [Domain] USD ($)	May 31, 2014 Unsecured Floating Rate Bank Loan [Member]	May 31, 2014 Unsecured Floating Rate Export Credit Facilities [Member]	May 31, 2014 Euro Denominated [Member] Unsecured Floating Rate Bank Loan [Member]	Mar. 31, 2014 Euro Denominated [Member] Unsecured Floating Rate Bank Loan [Member] USD ($)	Jan. 31, 2014 United States Dollar Denominated Debt [Member] Unsecured Floating Rate Bank Loan [Member] USD ($)	Dec. 31, 2013 United States Dollar Denominated Debt [Member] Unsecured Floating Rate Bank Loan [Member] USD ($)	May 16, 2014 United States Dollar Denominated Debt [Member] Unsecured Floating Rate Export Credit Facilities [Member] USD ($)	May 15, 2014 United States Dollar Denominated Debt [Member] Unsecured Floating Rate Export Credit Facilities [Member] USD ($)	Apr. 30, 2014 United States Dollar Denominated Debt [Member] Unsecured Floating Rate Export Credit Facilities [Member] USD ($)	May 31, 2014 May 2014 repayment date [Domain] Unsecured Floating Rate Export Credit Facilities [Member]	May 31, 2014 Commercial Paper [Member] USD ($)	May 31, 2014 Commercial Paper [Member] Euro Denominated [Member] USD ($)	May 31, 2014 Unsecured Floating Rate Export Credit Facilities [Member]	May 31, 2014 Main Credit Facility [Member] Revolving Credit Facility [Member]	Nov. 30, 2013 Main Credit Facility [Member] Revolving Credit Facility [Member] USD ($)	May 31, 2014 Main Credit Facility [Member] Revolving Credit Facility [Member] Sterling Denominated Debt [Member] GBP (£)	Nov. 30, 2013 Main Credit Facility [Member] Revolving Credit Facility [Member] Sterling Denominated Debt [Member] GBP (£)	May 31, 2014 Main Credit Facility [Member] Revolving Credit Facility [Member] Euro Denominated [Member] EUR (€)	Nov. 30, 2013 Main Credit Facility [Member] Revolving Credit Facility [Member] Euro Denominated [Member] EUR (€)	May 31, 2014 Main Credit Facility [Member] Revolving Credit Facility [Member] United States Dollar Denominated Debt [Member] USD ($)	Nov. 30, 2013 Main Credit Facility [Member] Revolving Credit Facility [Member] United States Dollar Denominated Debt [Member] USD ($)	Jun. 13, 2014 Subsequent Event [Member] Main Credit Facility [Member] Revolving Credit Facility [Member] USD ($)
Debt Instrument [Line Items]
Debt, Current												$ 136	$ 338
Debt Instrument, Interest Rate at Period End												0.50%
Debt Instrument Maturity Month Year		October 2014	April 2023	September 2014							May 2024			May 2026
Long-term debt	$ 275				$ 139	$ 200	$ 150	$ 554	$ 300	$ 109						$ 2,500	£ 150	£ 150	€ 500	€ 450	$ 1,700	$ 1,600	$ 2,600
Debt Instrument, Interest Rate Terms															LIBOR/EURIBOR plus a margin of 40 basis points (“bps”)
Line of Credit Facility, Commitment Fee Percentage															35.00%