Segment Information - Segment Reporting (Details) $ in Millions	3 Months Ended		6 Months Ended
	May 31, 2019 USD ($)	May 31, 2018 USD ($)	May 31, 2019 USD ($) segment	May 31, 2018 USD ($)
Segment Reporting Information [Line Items]
Number of reportable segments | segment			4
Revenues	$ 4,838	$ 4,357	$ 9,511	$ 8,589
Operating costs and expenses	3,159	2,681	6,301	5,390
Selling and administrative	621	605	1,250	1,221
Depreciation and amortization	542	512	1,059	1,000
Operating Income	515	559	902	978
Operating Segments | NAA
Segment Reporting Information [Line Items]
Revenues	3,162	2,836	6,239	5,519
Operating costs and expenses	2,033	1,747	4,043	3,405
Selling and administrative	342	338	695	705
Depreciation and amortization	339	317	667	617
Operating Income	447	433	833	793
Operating Segments | EA
Segment Reporting Information [Line Items]
Revenues	1,561	1,449	3,087	2,952
Operating costs and expenses	1,033	888	2,108	1,892
Selling and administrative	185	191	390	379
Depreciation and amortization	166	160	318	316
Operating Income	177	210	270	364
Operating Segments | Cruise Support
Segment Reporting Information [Line Items]
Revenues	44	31	86	63
Operating costs and expenses	32	11	60	43
Selling and administrative	87	64	152	119
Depreciation and amortization	27	25	55	48
Operating Income	(102)	(69)	(180)	(147)
Operating Segments | Tour and Other
Segment Reporting Information [Line Items]
Revenues	71	42	99	55
Operating costs and expenses	61	36	90	50
Selling and administrative	7	11	13	17
Depreciation and amortization	9	10	19	19
Operating Income	$ (7)	$ (14)	$ (22)	$ (31)