Concentration of Risk and Segment Data (Revenues Disaggregated by Segment) (Details) - USD ($) $ in Millions	3 Months Ended
	Nov. 30, 2021	Nov. 30, 2020
Disaggregation of Revenue [Line Items]
Net revenue	$ 8,567	$ 7,833
Point in time
Disaggregation of Revenue [Line Items]
Net revenue	3,777	3,297
Over time
Disaggregation of Revenue [Line Items]
Net revenue	4,790	4,536
EMS
Disaggregation of Revenue [Line Items]
Net revenue	3,858	3,593
EMS | Point in time
Disaggregation of Revenue [Line Items]
Net revenue	1,407	1,057
EMS | Over time
Disaggregation of Revenue [Line Items]
Net revenue	2,451	2,536
DMS
Disaggregation of Revenue [Line Items]
Net revenue	4,709	4,240
DMS | Point in time
Disaggregation of Revenue [Line Items]
Net revenue	2,370	2,240
DMS | Over time
Disaggregation of Revenue [Line Items]
Net revenue	$ 2,339	$ 2,000