Segment Information - Segment Reporting (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	May 31, 2024	May 31, 2023	May 31, 2024	May 31, 2023
Segment Reporting Information [Line Items]
Revenues	$ 5,781	$ 4,911	$ 11,187	$ 9,343
Operating costs and expenses	3,798	3,457	7,502	6,768
Selling and administrative	789	736	1,603	1,448
Depreciation and amortization	634	597	1,247	1,179
Operating Income (Loss)	560	120	836	(52)
NAA
Segment Reporting Information [Line Items]
Revenues	3,984	3,355	7,558	6,434
Operating costs and expenses	2,580	2,282	4,982	4,471
Selling and administrative	464	435	966	875
Depreciation and amortization	414	374	813	738
Operating Income (Loss)	525	265	797	351
Europe
Segment Reporting Information [Line Items]
Revenues	1,697	1,465	3,466	2,759
Operating costs and expenses	1,135	1,101	2,386	2,179
Selling and administrative	230	222	464	436
Depreciation and amortization	164	169	328	338
Operating Income (Loss)	168	(27)	288	(193)
Cruise Support
Segment Reporting Information [Line Items]
Revenues	63	55	122	106
Operating costs and expenses	39	29	75	55
Selling and administrative	90	71	162	124
Depreciation and amortization	49	48	94	90
Operating Income (Loss)	(114)	(93)	(210)	(162)
Tour and Other
Segment Reporting Information [Line Items]
Revenues	37	35	41	44
Operating costs and expenses	44	45	59	64
Selling and administrative	6	8	10	14
Depreciation and amortization	6	7	12	13
Operating Income (Loss)	$ (19)	$ (25)	$ (40)	$ (47)