v3.26.1
Earnings Per Share - Basic and Diluted Earnings Per Share Computations (Details) - USD ($)
$ / shares in Units, shares in Millions, $ in Millions
3 Months Ended 6 Months Ended
May 31, 2026
May 31, 2025
May 31, 2026
May 31, 2025
Earnings Per Share [Abstract]        
Net income attributable to Carnival Corporation Ltd. $ 537 $ 565 $ 795 $ 486
Interest expense on dilutive Convertible Notes   18 0  
Net income attributable to Carnival Corporation Ltd. for diluted earnings per share $ 537 $ 582 $ 795 $ 486
Weighted-average shares outstanding (in shares) 1,382 1,312 1,381 1,310
Dilutive effect of equity awards (in shares) 5 4 7 6
Dilutive effect of Convertible Notes (in shares) 0 84 2 0
Diluted weighted-average shares outstanding (in shares) 1,388 1,400 1,390 1,316
Basic earnings per share (in dollars per share) $ 0.39 $ 0.43 $ 0.58 $ 0.37
Diluted earnings per share (in dollars per share) $ 0.39 $ 0.42 $ 0.57 $ 0.37