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General (Details) $ in Millions | 12 Months Ended |  |
--- | --- | --- | ---
Nov. 30, 2020 USD ($) cruiseLine company | Jan. 14, 2021 cruise_ship | Nov. 30, 2019 USD ($)
Organization, Consolidation and Presentation of Financial Statements [Line Items] |  |  |
Number of world's leading cruise lines | cruiseLine | 9 |  |
Number of companies operating as a single economic enterprise | company | 2 |  |
DLC arrangement current equalization ratio | 1 |  |
Cash and cash equivalents | $ | $ 9,513 |  | $ 518
Carnival PLC |  |  |
Organization, Consolidation and Presentation of Financial Statements [Line Items] |  |  |
DLC arrangement current equalization ratio | 1 |  |
Subsequent Event |  |  |
Organization, Consolidation and Presentation of Financial Statements [Line Items] |  |  |
Number of cruise ships with guests onboard | cruise_ship |  | 0 |

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