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Derivative Instruments - Notional Amounts and Fair Values (Details) shares in Millions, $ in Millions | 6 Months Ended |
--- | --- | ---
Feb. 28, 2019 USD ($) shares | Aug. 30, 2018 USD ($) shares
Derivative, Fair Value, Net [Abstract] |  |  |
Fair Value of Current Assets | [1] | $ 6 | $ 14
Fair Value of Current Liabilities | [2] | $ (426) | (190)
Designated hedging instruments |  |  |
Derivative, Fair Value, Net [Abstract] |  |  |
General maturity of currency forward contracts (in months) |  | 12 months |
Designated hedging instruments | Cash flow hedges | Currency forward |  |  |
Notional Disclosures [Abstract] |  |  |
Gross Notional Amount, Currency forwards |  | $ 235 | 538
Derivative, Fair Value, Net [Abstract] |  |  |
Fair Value of Current Assets | [1] | 0 | 0
Fair Value of Current Liabilities | [2] | (3) | (13)
Not designated hedging instruments |  |  |
Derivative, Fair Value, Net [Abstract] |  |  |
Fair Value of Current Assets | [1] | 6 | 14
Fair Value of Current Liabilities | [2] | $ (423) | (177)
General maturity of currency forward contracts (in months) |  | 3 months |
Not designated hedging instruments | Currency forward |  |  |
Notional Disclosures [Abstract] |  |  |
Gross Notional Amount, Currency forwards |  | $ 2,205 | 1,919
Derivative, Fair Value, Net [Abstract] |  |  |
Fair Value of Current Assets | [1] | 6 | 14
Fair Value of Current Liabilities | [2] | $ (3) | $ (10)
Not designated hedging instruments | Convertible notes settlement obligation |  |  |
Notional Disclosures [Abstract] |  |  |
Gross Notional Amount, Convertible notes settlement obligation (in shares) | shares |  | 35 | 3
Derivative, Fair Value, Net [Abstract] |  |  |
Fair Value of Current Assets | [1] | $ 0 | $ 0
Fair Value of Current Liabilities | [2],[3] | $ (420) | $ (167)
[1] | Included in receivables – other.
[2] | Included in accounts payable and accrued expenses – other for forward contracts and in current debt for convertible notes settlement obligations.
[3] | Notional amounts of convertible notes settlement obligations as of February 28, 2019 and August 30, 2018 were 35 million and 3 million shares of our common stock, respectively.

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- Definition Aggregate notional amount of derivative expressed in nonmonetary units. For example, the number of barrels specified in a fuel oil forward purchase contract. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Article 12 -Section 13 -Sentence Column B + Details
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- Definition Aggregate notional amount specified by the derivative(s). Expressed as an absolute value. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Article 12 -Section 13 -Sentence Column B + Details
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- Definition Fair value, before effects of master netting arrangements, of a financial asset or other contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes assets elected not to be offset. Excludes assets not subject to a master netting arrangement. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 20 -Section 55 -Paragraph 7 -URI http://asc.fasb.org/extlink&oid=99393222&loc=SL20226000-175313 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 860 -SubTopic 20 -Section 50 -Paragraph 4D -Subparagraph (c)(2) -URI http://asc.fasb.org/extlink&oid=109247956&loc=SL51823488-111719 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 20 -Section 50 -Paragraph 3 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=51824906&loc=SL20225862-175312 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4B -Subparagraph (a),(c) -URI http://asc.fasb.org/extlink&oid=109980867&loc=SL5624163-113959 + Details
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- Definition Fair value, before effects of master netting arrangements, of a financial liability or contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes liabilities elected not to be offset. Excludes liabilities not subject to a master netting arrangement. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 860 -SubTopic 20 -Section 50 -Paragraph 4D -Subparagraph (c)(2) -URI http://asc.fasb.org/extlink&oid=109247956&loc=SL51823488-111719 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4B -Subparagraph (a),(c) -URI http://asc.fasb.org/extlink&oid=109980867&loc=SL5624163-113959 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 20 -Section 50 -Paragraph 3 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=51824906&loc=SL20225862-175312 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 20 -Section 55 -Paragraph 7 -URI http://asc.fasb.org/extlink&oid=99393222&loc=SL20226000-175313 + Details
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- Definition Maximum amount of time remaining before foreign currency exchange rate derivatives mature or expire, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References No definition available. + Details
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