General - Statement of Operations (Details) (USD $) In Millions, except Per Share data, unless otherwise specified	3 Months Ended
	Feb. 28, 2015	Feb. 28, 2014
Other ship operating	$ 598	$ 594
Depreciation and amortization	401	405
Operating income	266	67
Loss before income taxes	52	(19)
Net loss	49	(20)
Loss per share
Basic (in dollars per share)	$ 0.06	$ (0.03)
Diluted (in dollars per share)	$ 0.06	$ (0.03)
Reclassification of Expense
Other ship operating		594
Depreciation and amortization		405
Operating income		67
Loss before income taxes		(19)
Net loss		(20)
Loss per share
Basic (in dollars per share)		$ (0.03)
Diluted (in dollars per share)		$ (0.03)
As Previously Reported | Reclassification of Expense
Other ship operating		590
Depreciation and amortization		404
Operating income		72
Loss before income taxes		(14)
Net loss		(15)
Loss per share
Basic (in dollars per share)		$ (0.02)
Diluted (in dollars per share)		$ (0.02)
Adjustment | Reclassification of Expense
Other ship operating		4
Depreciation and amortization		1
Operating income		(5)
Loss before income taxes		(5)
Net loss		$ (5)
Loss per share
Basic (in dollars per share)		$ (0.01)
Diluted (in dollars per share)		$ (0.01)