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Contingencies - Additional Information (Detail) (Lease Out And Lease Back Type Transactions, USD $) In Millions | 1 Months Ended |
--- | --- | ---
Apr. 30, 2011 | Aug. 31, 2011
Lease Out And Lease Back Type Transactions |  |
Commitments and Contingencies Disclosure [Line Items] |  |
Voluntarily unwound amount of contingent liability transactions | $ 87 |
Estimated contingent obligations |  | 421
Estimated termination payment in the event that Carnival Corporation were to default on its contingent obligations and assuming performance by all other participants |  | 61
Required standby letter of credit if Carnival Corporation's credit rating falls below BBB or, alternatively, provide mortgages for this aggregate amount on these two ships |  | $ 46

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- Definition A liability that is not currently a liability but may become one upon the happening of some future event. It is an obligation that may result, but is not likely to result because the event causing the obligation is improbable. If the event becomes probable and reasonable estimable, then it's considered a liability. + Details
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- Definition A guarantee of payment issued by a bank on behalf of a company that is used as "payment of last resort" should the company fail to fulfill a contractual commitment with a third party. Standby letters of credit are created as a sign of good faith in business transactions, and are proof of a buyer's credit quality and repayment abilities. + Details
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- Definition Reflects the estimated amount of loss from the specified contingency as of the balance sheet date. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 5 -Paragraph 9, 10, 11, 12 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 2: 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=6952336&loc=d3e14435-108349 Reference 3: 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=6952336&loc=d3e14557-108349 + Details
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