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.