Related parties (Tables)

9 Months Ended

May 31, 2017

Related Party Transactions [Abstract]

Schedule of Related Party Transactions

Related party transactions (in millions):

	Three months ended				Nine months ended
	May 31, 2017		May 31, 2016		May 31, 2017		May 31, 2016
Purchases, net	$	10,703	$	10,632	$	31,941	$	31,436

	May 31, 2017		August 31, 2016
Trade accounts payable, net	$	4,148	$	3,456