Leases - Additional Information (Details) - USD ($) $ in Millions	12 Months Ended
	Aug. 31, 2021	Aug. 31, 2020	Aug. 31, 2019
Lessee Lease Description [Line Items]
Lease cost	$ 30	$ 28
Operating lease expense	24	23
Short-term lease expense	$ 5	$ 4
Operating leases, rent expense			$ 27
Minimum
Lessee Lease Description [Line Items]
Operating lease non-cancellable lease term	5 years
Operating lease renewal option, years	5 years
Maximum
Lessee Lease Description [Line Items]
Operating lease non-cancellable lease term	10 years
Operating lease renewal option, years	20 years
Maximum | Machinery and Equipment
Lessee Lease Description [Line Items]
Finance lease and other operating leases non-cancellable lease term	10 years