CONDENSED CONSOLIDATED BALANCE SHEETS (Parenthetical) - USD ($) $ in Millions	Feb. 28, 2022	Aug. 31, 2021
Statement of Financial Position [Abstract]
Property, plant and equipment, accumulated depreciation	$ 5,328	$ 5,033
Intangible assets, accumulated amortization	$ 457	$ 442
Preferred stock, par value (in dollars per share)	$ 0.001	$ 0.001
Preferred stock, shares authorized	10,000,000	10,000,000
Preferred stock, shares issued	0	0
Preferred stock, shares outstanding	0	0
Common stock, par value (in dollars per share)	$ 0.001	$ 0.001
Common stock, shares authorized	500,000,000	500,000,000
Common stock, shares issued	270,392,290	267,418,092
Common stock, shares outstanding	142,392,135	144,496,077
Treasury stock at cost, shares	128,000,155	122,922,015