Recent Accounting Pronouncements (Details) - USD ($) $ in Millions	9 Months Ended	12 Months Ended
May. 31, 2015	Aug. 31, 2014
Recent Accounting Pronouncements [Abstract]
Impact of ASU on non-current assets and long-term debt	$ 86	$ 20

Represents the quantification of the effect of adopting the new accounting standard or change in accounting principle expected by the entity to have a significant effect on the entity's financial statements.

No definition available.

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration