Selected Information for Cruise and Tour and Other Segments (Detail) (USD $) In Millions	3 Months Ended		9 Months Ended
	Aug. 31, 2011	Aug. 31, 2010	Aug. 31, 2011	Aug. 31, 2010
Segment Reporting Information [Line Items]
Revenues	$ 5,058	$ 4,527	$ 12,096	$ 10,972
Operating expenses	2,814	2,389	7,730	6,736
Selling and administrative	421	381	1,282	1,181
Depreciation and amortization	390	355	1,137	1,049
Operating Income	1,433	1,402	1,947	2,006
North America Cruise Brands
Segment Reporting Information [Line Items]
Revenues	2,819	2,594	6,810	6,422
Operating expenses	1,575	1,397	4,350	3,935
Selling and administrative	228	221	700	673
Depreciation and amortization	220	214	649	627
Operating Income	796	762	1,111	1,187
EAA Cruise Brands
Segment Reporting Information [Line Items]
Revenues	2,004	1,713	4,975	4,249
Operating expenses	1,103	873	3,215	2,636
Selling and administrative	160	126	485	413
Depreciation and amortization	152	123	432	372
Operating Income	589	591	843	828
Cruise Support
Segment Reporting Information [Line Items]
Revenues	20	18	62	60
Operating expenses	(7)	(9)	(14)	(9)
Selling and administrative	25	26	79	72
Depreciation and amortization	7	7	23	20
Operating Income	(5)	(6)	(26)	(23)
Tour and Other
Segment Reporting Information [Line Items]
Revenues	305	292	349	346
Operating expenses	233	218	279	279
Selling and administrative	8	8	18	23
Depreciation and amortization	11	11	33	30
Operating Income	53	55	19	14
Intersegment elimination
Segment Reporting Information [Line Items]
Revenues	(90)	(90)	(100)	(105)
Operating expenses	$ (90)	$ (90)	$ (100)	$ (105)