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Compensation Plans - Summary of Carnival Corporation and Carnival Plc Stock Option Activity (Details) $ / shares in Units, $ in Millions | 12 Months Ended
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Nov. 30, 2015 USD ($) $ / shares shares
Shares |  |
Shares Outstanding Beginning Balance | shares | 1,059,256 |
Shares Exercised | shares | (190,690) |
Shares Forfeited or expired | shares | (833,566) |
Shares Outstanding and Exercisable Ending Balance | shares | 35,000 |
Weighted-Average Exercise Price |  |
Weighted-Average Exercise Price, Outstanding Beginning Balance (USD per share) | $ / shares | $ 51.36 |
Weighted-Average Exercise Price, Exercised (USD per share) | $ / shares | 46.49 |
Weighted-Average Exercise Price, Forfeited or expired (USD per share) | $ / shares | 52.63 |
Weighted-Average Exercise Price, Outstanding and Exercisable at November 30, 2014 (USD per share) | $ / shares | $ 47.83 |
Weighted-Average Remaining Contractual Term |  |
Weighted-Average Remaining Contractual Term Outstanding and Exercisable at November 30, 2014 | 10 months 24 days |
Aggregate Intrinsic Value |  |
Aggregate Intrinsic Value Outstanding and Exercisable at November 30, 2014 | $ | $ 0 | [1]
[1] | The aggregate intrinsic value represents the amount by which the fair value of underlying stock exceeds the option exercise price at November 30, 2015.

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- Definition The number of shares under options that were cancelled during the reporting period as a result of occurrence of a terminating event specified in contractual agreements pertaining to the stock option plan. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1)(iv)(3) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition Amount by which the current fair value of the underlying stock exceeds the exercise price of options outstanding. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition Number of options outstanding, including both vested and non-vested options. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1)(i)-(ii) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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