v3.26.1
Cover Page - shares
6 Months Ended
May 31, 2026
Jun. 19, 2026
Cover [Abstract]    
Document Type 10-Q  
Document Quarterly Report true  
Document Period End Date May 31, 2026  
Document Transition Report false  
Entity File Number 001-9610  
Entity Registrant Name Carnival Corporation Ltd.  
Entity Incorporation, State or Country Code D0  
Entity Tax Identification Number 59-1562976  
Entity Address, Address Line One 3655 N.W. 87th Avenue  
Entity Address, City or Town Miami,  
Entity Address, State or Province FL  
Entity Address, Postal Zip Code 33178-2428  
City Area Code (305)  
Local Phone Number 599-2600  
Entity Information, Former Legal or Registered Name Carnival Corporation  
Title of 12(b) Security Common Shares ($0.01 par value)  
Trading Symbol CCL  
Security Exchange Name NYSE  
Entity Current Reporting Status Yes  
Entity Interactive Data Current Yes  
Entity Filer Category Large Accelerated Filer  
Entity Small Business false  
Entity Emerging Growth Company false  
Entity Shell Company false  
Entity Common Stock, Shares Outstanding   1,369,649,119
Amendment Flag false  
Document Fiscal Year Focus 2026  
Document Fiscal Period Focus Q2  
Entity Central Index Key 0000815097  
Current Fiscal Year End Date --11-30