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Contingencies (Details) $ in Millions | Aug. 31, 2017 USD ($)
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Lease Out And Lease Back Type Transactions |
Loss Contingencies [Line Items] |
Estimated contingent obligations | $ 122

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- Definition A liability that is not currently a liability but may become one upon the happening of some future event. It is an obligation that may result, but is not likely to result because the event causing the obligation is improbable. If the event becomes probable and reasonable estimable, then it's considered a liability. + References No definition available. + Details
Name: | ccl_ContingentObligations
Namespace Prefix: | ccl_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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- 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_LossContingenciesLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- Details
Name: | us-gaap_LossContingenciesByNatureOfContingencyAxis=ccl_LeaseOutAndLeaseBackTypeTransactionsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |