Derivative Instruments - Notional Amounts and Fair Values (Details) shares in Millions, $ in Millions	12 Months Ended
Aug. 30, 2018 USD ($) shares	Aug. 31, 2017 USD ($) shares
Derivative, Fair Value, Net [Abstract]
Fair Value of Liabilities	$ (190)	$ (52)
Receivables-other
Derivative, Fair Value, Net [Abstract]
Fair Value of Assets	14	51
Other noncurrent assets
Derivative, Fair Value, Net [Abstract]
Fair Value of Assets	$ 0	1
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	$ 538	456
Designated hedging instruments \| Cash flow hedges \| Receivables-other \| Currency forward
Derivative, Fair Value, Net [Abstract]
Fair Value of Assets	0	17
Designated hedging instruments \| Cash flow hedges \| Accounts payable and accrued expenses-other \| Currency forward
Derivative, Fair Value, Net [Abstract]
Fair Value of Liabilities	(13)	0
Designated hedging instruments \| Cash flow hedges \| Other noncurrent assets \| Currency forward
Derivative, Fair Value, Net [Abstract]
Fair Value of Assets	0	0
Not designated hedging instruments
Derivative, Fair Value, Net [Abstract]
Fair Value of Liabilities	$ (177)	(52)
General maturity of currency forward contracts (in months)	9 months
Not designated hedging instruments \| Currency forward
Notional Disclosures [Abstract]
Gross Notional Amount, Currency forwards	$ 1,919	$ 4,847
Not designated hedging instruments \| Convertible notes settlement obligation
Notional Disclosures [Abstract]
Gross Notional Amount, Convertible notes settlement obligation (in shares) \| shares	3	2
Not designated hedging instruments \| Receivables-other
Derivative, Fair Value, Net [Abstract]
Fair Value of Assets	$ 14	$ 34
Not designated hedging instruments \| Receivables-other \| Currency forward
Derivative, Fair Value, Net [Abstract]
Fair Value of Assets	14	34
Not designated hedging instruments \| Receivables-other \| Convertible notes settlement obligation
Derivative, Fair Value, Net [Abstract]
Fair Value of Assets	0	0
Not designated hedging instruments \| Accounts payable and accrued expenses-other \| Currency forward
Derivative, Fair Value, Net [Abstract]
Fair Value of Liabilities	(10)	(5)
Not designated hedging instruments \| Current debt \| Convertible notes settlement obligation
Derivative, Fair Value, Net [Abstract]
Fair Value of Liabilities	(167)	(47)
Not designated hedging instruments \| Other noncurrent assets
Derivative, Fair Value, Net [Abstract]
Fair Value of Assets	0	1
Not designated hedging instruments \| Other noncurrent assets \| Currency forward
Derivative, Fair Value, Net [Abstract]
Fair Value of Assets	0	1
Not designated hedging instruments \| Other noncurrent assets \| Convertible notes settlement obligation
Derivative, Fair Value, Net [Abstract]
Fair Value of Assets	$ 0	$ 0

Aggregate notional amount of derivative expressed in nonmonetary units. For example, the number of barrels specified in a fuel oil forward purchase contract.

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

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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

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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
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Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
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Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
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Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef
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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
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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

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