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Derivative Instruments - Notional Amounts and Fair Values (Details) shares in Millions, $ in Millions | 6 Months Ended |
--- | --- | ---
Mar. 01, 2018 USD ($) shares | Aug. 31, 2017 USD ($) shares
Derivative, Fair Value, Net [Abstract] |  |  |
Fair Value of Liabilities | [1] | $ (315) | $ (52)
Accounts receivable |  |  |
Derivative, Fair Value, Net [Abstract] |  |  |
Fair Value of Assets | [2] | 75 | 51
Other noncurrent assets |  |  |
Derivative, Fair Value, Net [Abstract] |  |  |
Fair Value of Assets | [3] | 0 | 1
Designated hedging instruments | Currency forward |  |  |
Notional Disclosures [Abstract] |  |  |
Gross Notional Amount, Currency forwards | [4] | $ 3,132 |
Derivative, Fair Value, Net [Abstract] |  |  |
General maturity of currency forward contracts (in months) |  | 12 months |
Designated hedging instruments | Accounts receivable | Currency forward |  |  |
Derivative, Fair Value, Net [Abstract] |  |  |
Fair Value of Assets | [2] | $ 64 |
Designated hedging instruments | Accounts payable and accrued expenses | Currency forward |  |  |
Derivative, Fair Value, Net [Abstract] |  |  |
Fair Value of Liabilities | [1] | (3) |
Designated hedging instruments | Other noncurrent assets | Currency forward |  |  |
Derivative, Fair Value, Net [Abstract] |  |  |
Fair Value of Assets | [3] | 0 |
Designated hedging instruments | Cash flow hedges | Currency forward |  |  |
Notional Disclosures [Abstract] |  |  |
Gross Notional Amount, Currency forwards | [4] | 565 | 456
Designated hedging instruments | Cash flow hedges | Accounts receivable | Currency forward |  |  |
Derivative, Fair Value, Net [Abstract] |  |  |
Fair Value of Assets | [2] | 20 | 17
Designated hedging instruments | Cash flow hedges | Accounts payable and accrued expenses | Currency forward |  |  |
Derivative, Fair Value, Net [Abstract] |  |  |
Fair Value of Liabilities | [1] | (1) | 0
Designated hedging instruments | Cash flow hedges | Other noncurrent assets | Currency forward |  |  |
Derivative, Fair Value, Net [Abstract] |  |  |
Fair Value of Assets | [3] | 0 | 0
Designated hedging instruments | Fair value hedges | Currency forward |  |  |
Notional Disclosures [Abstract] |  |  |
Gross Notional Amount, Currency forwards | [4] | 2,567 |
Designated hedging instruments | Fair value hedges | Accounts receivable | Currency forward |  |  |
Derivative, Fair Value, Net [Abstract] |  |  |
Fair Value of Assets | [2] | 44 |
Designated hedging instruments | Fair value hedges | Accounts payable and accrued expenses | Currency forward |  |  |
Derivative, Fair Value, Net [Abstract] |  |  |
Fair Value of Liabilities | [1] | (2) |
Designated hedging instruments | Fair value hedges | Other noncurrent assets | Currency forward |  |  |
Derivative, Fair Value, Net [Abstract] |  |  |
Fair Value of Assets | [3] | 0 |
Not designated hedging instruments |  |  |
Derivative, Fair Value, Net [Abstract] |  |  |
Fair Value of Liabilities | [1] | (312) | (52)
Not designated hedging instruments | Currency forward |  |  |
Notional Disclosures [Abstract] |  |  |
Gross Notional Amount, Currency forwards | [4] | $ 1,763 | $ 4,847
Derivative, Fair Value, Net [Abstract] |  |  |
General maturity of currency forward contracts (in months) |  | 9 months |
Not designated hedging instruments | Convertible notes settlement obligation |  |  |
Notional Disclosures [Abstract] |  |  |
Gross Notional Amount, Convertible notes settlement obligation (in shares) | shares | [4] | 6 | 2
Not designated hedging instruments | Accounts receivable |  |  |
Derivative, Fair Value, Net [Abstract] |  |  |
Fair Value of Assets | [2] | $ 11 | $ 34
Not designated hedging instruments | Accounts receivable | Currency forward |  |  |
Derivative, Fair Value, Net [Abstract] |  |  |
Fair Value of Assets | [2] | 11 | 34
Not designated hedging instruments | Accounts receivable | Convertible notes settlement obligation |  |  |
Derivative, Fair Value, Net [Abstract] |  |  |
Fair Value of Assets | [2] | 0 | 0
Not designated hedging instruments | Accounts payable and accrued expenses | Currency forward |  |  |
Derivative, Fair Value, Net [Abstract] |  |  |
Fair Value of Liabilities | [1] | (3) | (5)
Not designated hedging instruments | Current debt | Convertible notes settlement obligation |  |  |
Derivative, Fair Value, Net [Abstract] |  |  |
Fair Value of Liabilities | [1] | (309) | (47)
Not designated hedging instruments | Other noncurrent assets |  |  |
Derivative, Fair Value, Net [Abstract] |  |  |
Fair Value of Assets | [3] | 0 | 1
Not designated hedging instruments | Other noncurrent assets | Currency forward |  |  |
Derivative, Fair Value, Net [Abstract] |  |  |
Fair Value of Assets | [3] | 0 | 1
Not designated hedging instruments | Other noncurrent assets | Convertible notes settlement obligation |  |  |
Derivative, Fair Value, Net [Abstract] |  |  |
Fair Value of Assets | [3] | $ 0 | $ 0
[1] | Included in accounts payable and accrued expenses – other for forward contracts and in current debt for convertible notes settlement obligations.
[2] | Included in receivables – other.
[3] | Included in other noncurrent assets.
[4] | Notional amounts of currency forward hedge contracts in U.S. dollars and convertible notes settlement obligations in shares.

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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://www.xbrl.org/2003/role/presentationRef -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 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4B -Subparagraph (a),(c) -URI http://asc.fasb.org/extlink&oid=84234895&loc=SL5624163-113959 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 20 -Section 55 -Paragraph 7 -URI http://asc.fasb.org/extlink&oid=82849420&loc=SL20226000-175313 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 860 -SubTopic 20 -Section 50 -Paragraph 4D -Subparagraph (c)(2) -URI http://asc.fasb.org/extlink&oid=82924980&loc=SL51823488-111719 + 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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