Segment Information - Segment Reporting (Details) - USD ($) $ in Millions	3 Months Ended
	Feb. 28, 2025	Feb. 29, 2024
Segment Reporting Information [Line Items]
Revenues	$ 5,810	$ 5,406
Operating expenses	3,766	3,705
Selling and administrative	848	813
Depreciation and amortization	654	613
Operating Income	543	276
North America
Segment Reporting Information [Line Items]
Revenues	3,906	3,574
Operating expenses	2,436	2,402
Selling and administrative	521	502
Depreciation and amortization	434	398
Operating Income	516	272
Europe
Segment Reporting Information [Line Items]
Revenues	1,830	1,769
Operating expenses	1,270	1,251
Selling and administrative	250	234
Depreciation and amortization	169	164
Operating Income	140	119
Cruise Support
Segment Reporting Information [Line Items]
Revenues	72	59
Operating expenses	45	36
Selling and administrative	72	73
Depreciation and amortization	45	45
Operating Income	(91)	(95)
Tour and Other
Segment Reporting Information [Line Items]
Revenues	2	4
Operating expenses	15	15
Selling and administrative	4	4
Depreciation and amortization	6	6
Operating Income	$ (22)	$ (21)