XML 44 R25.htm IDEA: XBRL DOCUMENT
v3.25.2

General (Details) - USD ($) $ in Millions | 6 Months Ended | 12 Months Ended
--- | --- | ---
May 31, 2025 | May 31, 2024 | Nov. 30, 2024
Organization, Consolidation and Presentation of Financial Statements [Abstract] |  |  |
Greenhouse gas regulatory expense | $ 29 | $ 15 | $ 15

X
- Definition Greenhouse Gas Regulatory Expense + References No definition available. + Details
Name: | ccl_GreenhouseGasRegulatoryExpense
Namespace Prefix: | ccl_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- References No definition available. + Details
Name: | us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration