Segment Information - Segment Reporting (Details) $ in Millions	3 Months Ended		6 Months Ended
	May 31, 2020 USD ($)	May 31, 2019 USD ($)	May 31, 2020 USD ($) segment	May 31, 2019 USD ($)
Segment Reporting Information [Line Items]
Number of reportable segments | segment			4
Revenues	$ 740	$ 4,838	$ 5,529	$ 9,511
Operating costs and expenses	2,484	3,159	6,007	6,301
Selling and administrative	492	621	1,170	1,250
Depreciation and amortization	577	542	1,147	1,059
Operating Income (Loss)	(4,177)	515	(4,891)	902
Goodwill impairment	1,364	0	2,096	0
NAA
Segment Reporting Information [Line Items]
Goodwill impairment			1,319
EA
Segment Reporting Information [Line Items]
Goodwill impairment			777
Operating Segments | NAA
Segment Reporting Information [Line Items]
Revenues	457	3,162	3,597	6,239
Operating costs and expenses	1,631	2,033	3,904	4,043
Selling and administrative	297	342	697	695
Depreciation and amortization	369	339	733	667
Operating Income (Loss)	(2,860)	447	(3,056)	833
Goodwill impairment	1,000		1,300
Operating Segments | EA
Segment Reporting Information [Line Items]
Revenues	238	1,561	1,790	3,087
Operating costs and expenses	773	1,033	2,090	2,108
Selling and administrative	126	185	333	390
Depreciation and amortization	168	166	334	318
Operating Income (Loss)	(1,174)	177	(1,743)	270
Goodwill impairment	345		777
Operating Segments | Cruise Support
Segment Reporting Information [Line Items]
Revenues	22	44	66	86
Operating costs and expenses	53	32	(34)	60
Selling and administrative	61	87	126	152
Depreciation and amortization	33	27	64	55
Operating Income (Loss)	(125)	(102)	(91)	(180)
Operating Segments | Tour and Other
Segment Reporting Information [Line Items]
Revenues	24	71	76	99
Operating costs and expenses	28	61	47	90
Selling and administrative	8	7	14	13
Depreciation and amortization	7	9	16	19
Operating Income (Loss)	$ (19)	$ (7)	$ 0	$ (22)