Shareholders' Equity - Additional Information (Details) - USD ($) $ / shares in Units, $ in Millions	1 Months Ended		12 Months Ended
	Aug. 31, 2022	Feb. 28, 2021	Nov. 30, 2023	Nov. 30, 2022	Nov. 30, 2021
Stockholders Equity Note [Line Items]
Preferred stock, authorized (in shares)			40,000,000
Preferred stock, shares issued (in shares)			0	0
Number of shares sold (in shares)			2,300,000	6,000,000	8,900,000
Number of shares repurchased (in shares)			2,300,000	6,000,000	8,900,000
Net proceeds from Stock Swap Program			$ 2	$ 8	$ 19
Shares issued (in shares)			500,000	1,600,000	600,000
Consideration received			$ 5	$ 30	$ 13
Average price per share (in dollars per share)			$ 9.83	$ 19.27	$ 21.32
Public Offering
Stockholders Equity Note [Line Items]
Shares issued (in shares)	117,500,000	40,500,000
Price per share (in dollars per share)	$ 9.95	$ 25.10
Consideration received	$ 1,200	$ 996
Carnival PLC
Stockholders Equity Note [Line Items]
Preferred stock, shares issued (in shares)			0	0
Number of shares repurchased (in shares)			2,300,000	6,000,000.0	8,900,000