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v3.19.2

Property and Equipment (Details) - passenger | 1 Months Ended
--- | ---
Aug. 31, 2019 | Jul. 31, 2019 | Apr. 30, 2019 | Mar. 31, 2019
NAA Segment |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |
Passenger capacity of ship sold |  | 840 | 1,260 | 1,680
EA Segment |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |
Passenger capacity of ship sold | 1,880 |  |  |

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- Definition Passenger Capacity of Ship Sold + References No definition available. + Details
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Namespace Prefix: | ccl_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

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

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- Details
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Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementBusinessSegmentsAxis=ccl_EASegmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |