Document and Entity Information - shares	6 Months Ended
	May 31, 2018	Jun. 18, 2018
Document Type	10-Q
Amendment Flag	false
Document Period End Date	May 31, 2018
Document Fiscal Year Focus	2018
Document Fiscal Period Focus	Q2
Current Fiscal Year End Date	--11-30
Entity Filer Category	Large Accelerated Filer
Entity Registrant Name	CARNIVAL CORP
Entity Central Index Key	0000815097
Entity Common Stock, Shares Outstanding		530,611,416
CARNIVAL PLC
Entity Registrant Name	CARNIVAL PLC
Entity Central Index Key	0001125259
Entity Common Stock, Shares Outstanding		206,184,708