Supplementary Financial Information, Assets and Liabilities Included in Consolidated Balance Sheet Captions (Details) - USD ($) $ in Millions	Aug. 31, 2015	Aug. 31, 2014
Accounts receivable [Abstract]
Accounts receivable	$ 7,021	$ 3,391
Allowance for doubtful accounts	(172)	(173)
Net, Total	6,849	3,218
Other non-current assets [Abstract]
Warrants	2,140	553
Other equity method investments	1,242	74
Investment in AmerisourceBergen	1,147	887
Other	805	362
Other non-current assets, Total	5,334	1,876
Accrued expenses and other liabilities [Abstract]
Accrued salaries and wages	1,357	1,123
Other	3,868	2,578
Accrued expenses and other liabilities, Total	$ 5,225	$ 3,701

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Amounts due from customers or clients, within one year of the balance sheet date (or the normal operating cycle, whichever is longer) for goods or services (including trade receivables) that have been delivered or sold in the normal course of business.

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Amount due from customers or clients, within one year of the balance sheet date (or the normal operating cycle, whichever is longer), for goods or services (including trade receivables) that have been delivered or sold in the normal course of business, reduced to the estimated net realizable fair value by an allowance established by the entity of the amount it deems uncertain of collection.

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Carrying value as of the balance sheet date of obligations incurred and payable, pertaining to costs that are statutory in nature, are incurred on contractual obligations, or accumulate over time and for which invoices have not yet been received or will not be rendered. Examples include taxes, interest, rent and utilities. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

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Carrying value as of the balance sheet date of the obligations incurred through that date and payable for employees' services provided. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

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

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A valuation allowance for trade and other receivables due to an Entity within one year (or the normal operating cycle, whichever is longer) that are expected to be uncollectible.

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Aggregate carrying amount, as of the balance sheet date, of noncurrent assets not separately disclosed in the balance sheet. Noncurrent assets are expected to be realized or consumed after one year (or the normal operating cycle, if longer).

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Carrying amount as of the balance sheet date of amounts paid in advance which will be charged against earnings in periods after one year or beyond the operating cycle, if longer.

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Fair value of investment in AmerisourceBergen.

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This item represents the carrying amount on the entity's balance sheet of its other investment in common stock of an equity method investee. This is not an indicator of the fair value of the investment, rather it is the initial cost adjusted for the entity's share of earnings and losses of the investee, adjusted for any distributions (dividends) and other than temporary impairment (OTTI) losses recognized.

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Fair values as of the balance sheet date of all warrant assets resulting from contracts that meet the criteria of being accounted for as derivative instruments, net of the effects of master netting arrangements.

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