Trade Accounts Receivable Securitization and Sale Programs (Trade Accounts Receivable Sale Programs Amounts Recognized) (Details) - Trade Accounts Receivable Sale Programs - USD ($) $ in Millions	3 Months Ended
Nov. 30, 2019	Nov. 30, 2018
Trade Accounts Receivable Securitization and Sale Program [Line Items]
Trade accounts receivable sold	$ 1,962	$ 1,834
Cash proceeds received	1,957	1,826
Pre-tax losses on sale of receivables	$ 5	$ 8

Value of trade accounts receivable sold during the period under the asset-backed securitization and sales programs.

No definition available.

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- Definition

Trade Accounts Receivable Securitization and Sale Program [Line Items]

+ References

No definition available.

+ Details

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- Definition

Cash Flows between a transferor and a transferee attributable to collections reinvested in revolving period transfers related to either a securitization, asset-backed financing arrangement, or similar transfer in which the transferor has continuing involvement with the transferred financial assets underlying the transaction (including, but not limited to, servicing, recourse, and restrictions on transferor's interests in the transferred financial assets).

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 860
-SubTopic 20
-Section 50
-Paragraph 3
-Subparagraph (d)(2)
-URI http://asc.fasb.org/extlink&oid=118948506&loc=d3e107207-111719

+ Details

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- Definition

Amount of gain (loss) on sale of accounts receivable.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 860
-SubTopic 20
-Section 50
-Paragraph 5
-URI http://asc.fasb.org/extlink&oid=118948506&loc=d3e107425-111719

+ Details

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- Details

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