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General (Details)	Mar. 31, 2019 brand
Schedule of Equity Method Investments [Line Items]
Number of cruise brands	4
Maximum
Schedule of Equity Method Investments [Line Items]
Investment in a joint venture, percentage of interest	50.00%
Minimum
Schedule of Equity Method Investments [Line Items]
Investment in a joint venture, percentage of interest	20.00%
TUI Cruises
Schedule of Equity Method Investments [Line Items]
Investment in a joint venture, percentage of interest	50.00%
Pullmantur and CDF Croisieres de France
Schedule of Equity Method Investments [Line Items]
Investment in a joint venture, percentage of interest	49.00%

X

- Definition

Represents the number of cruise brands that operate ships.

+ References

No definition available.

+ Details

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X

- Definition

The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 323
-SubTopic 10
-Section 50
-Paragraph 3
-Subparagraph (a)(1)
-URI http://asc.fasb.org/extlink&oid=114001798&loc=d3e33918-111571

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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.

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- Details

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- Details

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