Contingencies (Details) - Lease Out And Lease Back Type Transactions $ in Millions	May 31, 2016 USD ($) ship
Loss Contingencies [Line Items]
Estimated contingent obligations	$ 362
Contingent Obligations, Number of Cruise Ships \| ship	2
Estimated termination payment in the event that Carnival Corporation were to default on its contingent obligations and assuming performance by all other participants	$ 13
Required standby letter of credit if Carnival Corporation's credit rating falls below BBB	$ 27

Reflects the estimated amount of loss from the specified contingency as of the balance sheet date.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 450
-SubTopic 20
-Section 50
-Paragraph 4
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=25496072&loc=d3e14435-108349

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 450
-SubTopic 20
-Section 50
-Paragraph 9
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=25496072&loc=d3e14557-108349

Name:	us-gaap_LossContingencyEstimateOfPossibleLoss
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant