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
Feb. 28, 2026
Feb. 28, 2025
Earnings Per Share [Abstract]    
Net income (loss) attributable to Carnival Corporation & plc $ 258 $ (78)
Interest expense on dilutive Convertible Notes 0 0
Net income (loss) attributable to Carnival Corporation & plc for diluted earnings per share $ 259 $ (78)
Weighted-average shares outstanding (in shares) 1,379 1,309
Dilutive effect of equity awards (in shares) 8 0
Dilutive effect of Convertible Notes (in shares) 4 0
Diluted weighted-average shares outstanding (in shares) 1,392 1,309
Basic earnings per share (in dollars per share) $ 0.19 $ (0.06)
Diluted earnings per share (in dollars per share) $ 0.19 $ (0.06)