Financial instruments (Tables)

12 Months Ended

Aug. 31, 2018

Derivative [Line Items]

Notional Amounts of Derivative Instruments Outstanding

The notional amount and fair value of derivative instruments outstanding were as follows (in millions):

August 31, 2018	Notional		Fair value		Location in Consolidated Balance Sheets
Derivatives designated as hedges:
Interest rate swaps	$	250	$	1	Other current liabilities
Foreign currency forwards	15		—		Other current assets
Derivatives not designated as hedges:
Foreign currency forwards	3,273		52		Other current assets
Foreign currency forwards	825		4		Other current liabilities

August 31, 2017	Notional		Fair value		Location in Consolidated Balance Sheets
Derivatives designated as hedges:
Interest rate swaps	$	250	$	—	Other non-current assets
Foreign currency forwards	24		—		Other current assets
Derivatives not designated as hedges:
Foreign currency forwards	221		—		Other current assets
Foreign currency forwards	2,816		19		Other current liabilities

Derivatives not designated as hedges:

Derivative [Line Items]

Gains and Losses due to Changes in Fair Value Recognized in Earnings

These derivative instruments are economic hedges of foreign currency risks. The income and (expense) due to changes in fair value of these derivative instruments were recognized in earnings as follows (in millions):

	Location in Consolidated Statements of Earnings	2018		2017			2016
Foreign currency forwards	Selling, general and administrative expense	$	17	$	11		$	19
Foreign currency forwards	Other income (expense)	22		(48		)	(12		)

Warrants | Derivatives not designated as hedges:

Derivative [Line Items]

Gains and Losses due to Changes in Fair Value Recognized in Earnings

The income and (expense) due to changes in fair value of the warrants recognized in earnings were as follows (in millions):

	Location in Consolidated Statements of Earnings	2018		2017		2016
Warrants	Other income (expense)	$	—	$	—	$	(546	)