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Revenue and Contract Liabilities (Details) - USD ($) $ in Millions | 6 Months Ended |
--- | --- | ---
Feb. 28, 2019 | Aug. 31, 2018
Change in Contract with Customer, Liability [Abstract] |  |
Contract liabilities | $ 255 | $ 348
Revenue recognized from beginning balance | 163 |
Additions and other activity | 70 |
Contract with Customer, Refund Liability [Abstract] |  |
Estimated consideration payable to customers for pricing adjustments and returns | 383 |
Contract liabilities from customer advances (product) |  |
Change in Contract with Customer, Liability [Abstract] |  |
Contract liabilities | 147 | 235
Revenue recognized from beginning balance | 148 |
Other contract liabilities |  |
Change in Contract with Customer, Liability [Abstract] |  |
Contract liabilities | 108 | $ 113
Revenue recognized from beginning balance | $ 15 |

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- Definition Amount of obligation to transfer good or service to customer for which consideration has been received or is receivable. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=82913815&loc=SL49130531-203044 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=82913815&loc=SL49130532-203044 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 8 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=109196051&loc=SL49130549-203045 + Details
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- Definition Amount of revenue recognized that was previously included in balance of obligation to transfer good or service to customer for which consideration from customer has been received or is due. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 8 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=109196051&loc=SL49130549-203045 + Details
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- Definition Amount of liability for consideration received or receivable from customer which is not included in transaction price, when consideration is expected to be refunded to customer, classified as current. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 55 -Paragraph 27 -URI http://asc.fasb.org/extlink&oid=108792157&loc=SL49130611-203046-203046 + Details
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