Segment Information - Segment Reporting (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	May 31, 2025	May 31, 2024	May 31, 2025	May 31, 2024
Segment Reporting Information [Line Items]
Revenues	$ 6,328	$ 5,781	$ 12,139	$ 11,187
Operating expenses	3,886	3,798	7,653	7,502
Selling and administrative	816	789	1,663	1,603
Depreciation and amortization	692	634	1,346	1,247
Operating Income	934	560	1,477	836
North America
Segment Reporting Information [Line Items]
Revenues	4,214	3,984	8,120	7,558
Operating expenses	2,600	2,580	5,036	4,982
Selling and administrative	473	464	993	966
Depreciation and amortization	450	414	884	813
Operating Income	691	525	1,207	797
Europe
Segment Reporting Information [Line Items]
Revenues	2,011	1,697	3,841	3,466
Operating expenses	1,208	1,135	2,478	2,386
Selling and administrative	248	230	499	464
Depreciation and amortization	187	164	356	328
Operating Income	368	168	508	288
Cruise Support
Segment Reporting Information [Line Items]
Revenues	73	63	145	122
Operating expenses	46	39	91	75
Selling and administrative	90	90	163	162
Depreciation and amortization	50	49	95	94
Operating Income	(113)	(114)	(204)	(210)
Tour and Other
Segment Reporting Information [Line Items]
Revenues	31	37	33	41
Operating expenses	32	44	47	59
Selling and administrative	5	6	9	10
Depreciation and amortization	6	6	12	12
Operating Income	$ (12)	$ (19)	$ (34)	$ (40)