Segment Reporting - Sales By Geographic Regions (Details) - USD ($) $ in Thousands	12 Months Ended
	Aug. 31, 2020	Aug. 31, 2019	Aug. 31, 2018
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	$ 28,406,365	$ 31,900,453	$ 32,683,347
Sales	28,406,365	31,900,453
srt_SegmentGeographicalDomain [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	28,406,365	31,900,453	32,683,347
Asia Pacific (APAC)
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	712,840	1,081,692	1,101,792
North America (a)
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	25,360,077	27,896,269	29,475,724
South America
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	1,559,380	2,027,020	1,569,330
Europe, Middle East and Africa (EMEA)
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	$ 774,068	$ 895,472	$ 536,501