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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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Commitments and Contingencies - Other (Details) $ in Millions	3 Months Ended
	Nov. 30, 2018 USD ($) lawsuit	May 31, 2019 USD ($)	Aug. 31, 2018 USD ($)
Loss Contingencies [Line Items]
Insurance Receivable		$ 16	$ 36
GEORGIA \| Wrongful Death Lawsuits \| Settled Litigation
Loss Contingencies [Line Items]
Claims Settled \| lawsuit	2
Amount Awarded	$ 20
GEORGIA \| Wrongful Death Lawsuits \| Pending Litigation
Loss Contingencies [Line Items]
Claims Filed \| lawsuit	5
Accrual, Current	$ 10
Pending Claims \| lawsuit	3
Insurance Receivable	$ 10