Segment Information - Segment Reporting (Details) - USD ($) $ in Millions	3 Months Ended
	Feb. 29, 2024	Feb. 28, 2023
Segment Reporting Information [Line Items]
Revenues	$ 5,406	$ 4,432
Operating costs and expenses	3,705	3,311
Selling and administrative	813	712
Depreciation and amortization	613	582
Operating Income (Loss)	276	(172)
NAA
Segment Reporting Information [Line Items]
Revenues	3,574	3,078
Operating costs and expenses	2,402	2,189
Selling and administrative	502	440
Depreciation and amortization	398	363
Operating Income (Loss)	272	86
Europe
Segment Reporting Information [Line Items]
Revenues	1,769	1,294
Operating costs and expenses	1,251	1,078
Selling and administrative	234	213
Depreciation and amortization	164	169
Operating Income (Loss)	119	(166)
Cruise Support
Segment Reporting Information [Line Items]
Revenues	59	51
Operating costs and expenses	36	25
Selling and administrative	73	53
Depreciation and amortization	45	42
Operating Income (Loss)	(95)	(69)
Tour and Other
Segment Reporting Information [Line Items]
Revenues	4	9
Operating costs and expenses	15	18
Selling and administrative	4	5
Depreciation and amortization	6	7
Operating Income (Loss)	$ (21)	$ (21)