Document and Entity Information	6 Months Ended
	May 31, 2011	Jun. 24, 2011
Document Type	10-Q
Amendment Flag	false
Document Period End Date	May 31, 2011
Document Fiscal Year Focus	2011
Document Fiscal Period Focus	Q2
Trading Symbol	CCL
Entity Registrant Name	CARNIVAL CORP
Entity Central Index Key	0000815097
Current Fiscal Year End Date	--11-30
Entity Filer Category	Large Accelerated Filer
Entity Common Stock, Shares Outstanding		608,339,397
CARNIVAL PLC
Trading Symbol	CUK
Entity Registrant Name	CARNIVAL PLC
Entity Central Index Key	0001125259
Current Fiscal Year End Date	--11-30
Entity Filer Category	Large Accelerated Filer
Entity Common Stock, Shares Outstanding		214,693,046