Equity - Common Stock Repurchase Authorization (Details) - USD ($) shares in Millions, $ in Millions	3 Months Ended	6 Months Ended
	Feb. 28, 2019	Feb. 28, 2019	Mar. 01, 2018
Equity, Class of Treasury Stock [Line Items]
Payments to Acquire Treasury Stock		$ 2,568	$ 67
Repurchases Authorized May 2018 by the BOD
Equity, Class of Treasury Stock [Line Items]
Common Stock Repurchase, Authorized Amount	$ 10,000	$ 10,000
Treasury Shares Repurchased (in shares)	21	63
Payments to Acquire Treasury Stock	$ 702	$ 2,510