Represents the number of continents.

No definition available.

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- Definition

Represents the number of cruise brands that operate ships.

+ References

No definition available.

+ Details

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- Definition

Number Of Cruise Ships

+ References

No definition available.

+ Details

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- Definition

Number of Destinations.

+ References

No definition available.

+ Details

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Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

- Definition

Percentage of voting equity interests acquired at the acquisition date in the business combination.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 10
-Section 50
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- Definition

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

+ References

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-Publisher FASB
-Name Accounting Standards Codification
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-SubTopic 10
-Section 50
-Paragraph 3
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-URI http://asc.fasb.org/extlink&oid=114001798&loc=d3e33918-111571

+ Details

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Balance Type:	na
Period Type:	instant

- Definition

The cash outflow associated with the acquisition of business during the period. The cash portion only of the acquisition price.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 30
-Section 50
-Paragraph 1
-Subparagraph (b)(1)
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-URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3213-108585

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Balance Type:	credit
Period Type:	duration

- 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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General (Details) destination in Thousands, $ in Millions	Jul. 31, 2018 USD ($)	Dec. 31, 2019 ship continent brand destination
Schedule of Equity Method Investments [Line Items]
Number of cruise brands \| brand		4
Number of ships in operation \| ship		61
Number of destinations \| destination		1
Minimum
Schedule of Equity Method Investments [Line Items]
Investment in a joint venture, percentage of interest		20.00%
Maximum
Schedule of Equity Method Investments [Line Items]
Investment in a joint venture, percentage of interest		50.00%
TUI Cruises
Schedule of Equity Method Investments [Line Items]
Investment in a joint venture, percentage of interest		50.00%
Pullmantur
Schedule of Equity Method Investments [Line Items]
Investment in a joint venture, percentage of interest		49.00%
Silversea Cruises
Schedule of Equity Method Investments [Line Items]
Number of continents \| continent		7
Percentage of business acquired	66.70%
Payments to acquire business \| $	$ 1,020