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Summary of Significant Accounting Policies - Additional Information (Details) - USD ($) $ in Millions | 12 Months Ended
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Nov. 30, 2018 | Nov. 30, 2017 | Nov. 30, 2016
Accounting Policies [Abstract] |  |  |
Fees, taxes, and charges | $ 615 | $ 579 | $ 540
Selling expenses | $ 673 | $ 645 | $ 630

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- Definition Fees, Taxes, and Charges + References No definition available. + Details
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Namespace Prefix: | ccl_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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- References No definition available. + Details
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Namespace Prefix: | us-gaap_
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Balance Type: | na
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- Definition Amount charged to advertising expense for the period, which are expenses incurred with the objective of increasing revenue for a specified brand, product or product line. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 720 -SubTopic 35 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6420018&loc=d3e36677-107848 + Details
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Period Type: | duration