Segment Information - Segment Reporting (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Aug. 31, 2023	Aug. 31, 2022	Aug. 31, 2023	Aug. 31, 2022
Segment Reporting Information [Line Items]
Revenues	$ 6,854	$ 4,305	$ 16,197	$ 8,329
Operating costs and expenses	3,921	3,379	10,688	8,092
Selling and administrative	713	625	2,162	1,774
Depreciation and amortization	596	581	1,774	1,707
Operating Income (Loss)	1,624	(279)	1,572	(3,244)
NAA
Segment Reporting Information [Line Items]
Revenues	4,566	2,880	11,000	5,672
Operating costs and expenses	2,661	2,280	7,132	5,335
Selling and administrative	420	368	1,295	1,078
Depreciation and amortization	377	358	1,115	1,046
Operating Income (Loss)	1,107	(126)	1,458	(1,787)
Europe
Segment Reporting Information [Line Items]
Revenues	2,060	1,266	4,819	2,389
Operating costs and expenses	1,124	983	3,303	2,529
Selling and administrative	199	173	634	524
Depreciation and amortization	168	172	506	531
Operating Income (Loss)	569	(62)	376	(1,196)
Cruise Support
Segment Reporting Information [Line Items]
Revenues	56	41	162	114
Operating costs and expenses	30	21	85	76
Selling and administrative	87	78	211	154
Depreciation and amortization	47	36	137	104
Operating Income (Loss)	(109)	(94)	(271)	(220)
Tour and Other
Segment Reporting Information [Line Items]
Revenues	172	118	216	154
Operating costs and expenses	105	94	169	151
Selling and administrative	7	6	21	17
Depreciation and amortization	3	15	17	26
Operating Income (Loss)	$ 56	$ 3	$ 9	$ (40)