Segment Information (Details) $ in Millions	3 Months Ended		9 Months Ended
	Aug. 31, 2017 USD ($)	Aug. 31, 2016 USD ($)	Aug. 31, 2017 USD ($) segment	Aug. 31, 2016 USD ($)
Segment Reporting Information [Line Items]
Number of reportable segments | segment			4
Number of reportable cruise brand operating segments | segment			2
Revenues	$ 5,515	$ 5,097	$ 13,251	$ 12,454
Operating costs and expenses	3,013	2,563	7,884	7,064
Selling and administrative	547	529	1,649	1,613
Depreciation and amortization	473	443	1,368	1,303
Operating income (loss)	1,393	1,562	2,261	2,474
Goodwill and trademark impairment	89	0	89	0
EAA
Segment Reporting Information [Line Items]
Goodwill and trademark impairment			89
Operating Segments | North America
Segment Reporting Information [Line Items]
Revenues	3,561	3,284	8,547	7,823
Operating costs and expenses	1,773	1,668	4,776	4,368
Selling and administrative	306	293	945	897
Depreciation and amortization	287	272	845	791
Operating income (loss)	1,195	1,051	1,981	1,767
Operating Segments | EAA
Segment Reporting Information [Line Items]
Revenues	1,879	1,738	4,527	4,466
Operating costs and expenses	1,262	903	3,082	2,666
Selling and administrative	172	161	512	513
Depreciation and amortization	163	152	459	450
Operating income (loss)	193	522	385	837
Operating Segments | Cruise Support
Segment Reporting Information [Line Items]
Revenues	28	31	101	93
Operating costs and expenses	0	12	18	23
Selling and administrative	65	73	180	196
Depreciation and amortization	13	9	36	32
Operating income (loss)	(50)	(63)	(133)	(158)
Operating Segments | Tour and Other Segment
Segment Reporting Information [Line Items]
Revenues	155	148	200	190
Operating costs and expenses	86	84	132	125
Selling and administrative	4	2	12	7
Depreciation and amortization	10	10	28	30
Operating income (loss)	55	52	28	28
Intersegment Elimination
Segment Reporting Information [Line Items]
Revenues	(108)	(104)	(124)	(118)
Operating costs and expenses	(108)	(104)	(124)	(118)
Selling and administrative	0	0	0	0
Depreciation and amortization	0	0	0	0
Operating income (loss)	$ 0	$ 0	$ 0	$ 0