Segment Reporting, Geographic Data (Details) - USD ($) $ in Millions	12 Months Ended
Aug. 31, 2015	Aug. 31, 2014	Aug. 31, 2013
Revenues from External Customers and Long-Lived Assets [Line Items]
Sales	$ 103,444	$ 76,392	$ 72,217
Long-Lived Assets	15,068	12,257
United States [Member] \| Reportable Geographical Components [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Sales	80,974	76,392	72,217
Long-Lived Assets	11,327	12,257
United Kingdom [Member] \| Reportable Geographical Components [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Sales	9,235	0	0
Long-Lived Assets	2,835	0
Europe [Member] \| Reportable Geographical Components [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Sales	11,402	0	0
Long-Lived Assets	725	0
Other [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Sales	1,833	0	$ 0
Long-Lived Assets	$ 181	$ 0

Long-lived assets other than financial instruments, long-term customer relationships of a financial institution, mortgage and other servicing rights, deferred policy acquisition costs, and deferred tax assets.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 280

-SubTopic 10

-Section 50

-Paragraph 41

-Subparagraph (b)

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+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 225

-SubTopic 10

-Section S99

-Paragraph 2

-Subparagraph (SX 210.5-03.1)

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+ References

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