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Shareholders' Equity - Additional Information (Details) - $ / shares
1 Months Ended
Dec. 31, 2025
Nov. 30, 2025
Nov. 30, 2024
Stockholders Equity Note [Line Items]      
Preferred stock, authorized (in shares)   40,000,000.0  
Preferred stock, shares issued (in shares)   0 0
Subsequent Event      
Stockholders Equity Note [Line Items]      
Dividends declared per share (USD per share) $ 0.15    
Carnival PLC      
Stockholders Equity Note [Line Items]      
Preferred stock, shares issued (in shares)   0 0