Equity Method Investments (Details) $ in Millions	12 Months Ended
	Nov. 30, 2023 USD ($)	Nov. 30, 2022 USD ($)	Nov. 30, 2021 USD ($)	Sep. 30, 2023 numberOfDrydock
Schedule of Equity Method Investments [Line Items]
Impairments	$ 21	$ 470	$ 834
Grand Bahama Shipyard Ltd.
Schedule of Equity Method Investments [Line Items]
Investment, amount	43	43
Investment equity	25	10
Investment loan	$ 18	33
Grand Bahama Shipyard Ltd. | Grand Bahama Shipyard Ltd.
Schedule of Equity Method Investments [Line Items]
Noncontrolling interest (percent)	40.00%
Floating Docks
Schedule of Equity Method Investments [Line Items]
Investment loan	$ 21
Number of floating drydocks | numberOfDrydock				2
Guarantee for loan payment	46
Floating Docks | Floating Docks
Schedule of Equity Method Investments [Line Items]
Noncontrolling interest (percent)				50.00%
White Pass and Yukon Route
Schedule of Equity Method Investments [Line Items]
Investment, amount	53	50
Investment equity	21	18
Investment loan	$ 32	32
Impairments		30	17
White Pass and Yukon Route | White Pass and Yukon Route
Schedule of Equity Method Investments [Line Items]
Noncontrolling interest (percent)	45.00%
Adora Cruises
Schedule of Equity Method Investments [Line Items]
Investment, amount		$ 70
Payment for lease of ships			55
Capital contribution			$ 90
Adora Cruises | Other Nonoperating Income (Expense)
Schedule of Equity Method Investments [Line Items]
Impairments	$ (21)