Recent Accounting Pronouncements (Details) $ in Millions	9 Months Ended
May 31, 2016 USD ($)
Recent Accounting Pronouncements [Abstract]
Impact of ASU on income from equity investment	$ 169

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