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The cash outflow to reacquire common stock during the period.

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Shareholders' Equity - Additional Information (Detail) (USD $) In Millions, unless otherwise specified	9 Months Ended				0 Months Ended	9 Months Ended
	Aug. 31, 2013	Aug. 31, 2012	Aug. 31, 2013 Carnival Corp	Aug. 31, 2013 Carnival plc	Jun. 24, 2013 Subsequent Event Carnival Corp	Aug. 31, 2013 Repurchase Agreements [Member] Carnival Corp
Stockholders Equity Note [Line Items]
Repurchase of Common Stock (in shares)			0.9			2.8
Share repurchased, Value	$ 138	$ 69	$ 103
Stock Repurchase Program, Remaining Authorized Repurchase Amount					975
Stock Issued During Period, Shares, Treasury Stock Reissued				0.9
Sales of treasury stock	$ 35	$ 0		$ 35