Schedule II VALUATION AND QUALIFYING ACCOUNTS (Details) (Valuation Allowance for Deferred Tax Assets [Member], USD $) In Millions, unless otherwise specified	12 Months Ended
	Aug. 31, 2012	Aug. 31, 2011	Aug. 31, 2010
Valuation Allowance for Deferred Tax Assets [Member]
Movement in Valuation Allowances and Reserves [Roll Forward]
Balance at beginning of year	$ 36	$ 17	$ 9
Additions Charged to Expenses/Other Accounts	5	19	8
Net (Deductions) Recoveries	0	0	0
Balance at end of year	$ 41	$ 36	$ 17