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General - Statement of Comprehensive Income (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended
	Feb. 28, 2015	Feb. 28, 2014
Net loss	$ 49us-gaap_NetIncomeLoss	$ (20)us-gaap_NetIncomeLoss
Total comprehensive income	(674)us-gaap_ComprehensiveIncomeNetOfTax	92us-gaap_ComprehensiveIncomeNetOfTax
Reclassification of Expense
Net loss		(20)
Total comprehensive income		92
As Previously Reported \| Reclassification of Expense
Net loss		(15)
Total comprehensive income		97
Adjustment \| Reclassification of Expense
Net loss		(5)
Total comprehensive income		$ (5)

The portion of profit or loss for the period, net of income taxes, which is attributable to the parent.