CONSOLIDATED STATEMENTS OF EQUITY - USD ($) $ in Millions	Total	Cumulative effect, period of adoption, adjustment	Common stock	Treasury stock	Paid-in capital	Employee stock loan receivable	Accumulated other comprehensive income (loss)	Retained earnings	Retained earnings Cumulative effect, period of adoption, adjustment	Noncontrolling interests
Beginning Balance (in shares) at Aug. 31, 2017			1,023,849,070
Beginning Balance at Aug. 31, 2017	$ 28,274		$ 12	$ (9,971)	$ 10,339	$ 0	$ (3,051)	$ 30,137		$ 808
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net earnings	5,031							5,024		7
Other comprehensive income (loss), net of tax	50						49			1
Dividends declared and distributions	(1,748)							(1,610)		(138)
Treasury stock purchases (in shares)			(76,069,557)
Treasury stock purchases	(5,228)			(5,228)
Employee stock purchase and option plans (in shares)			4,353,905
Employee stock purchase and option plans	174			152	22
Stock-based compensation	130				130
Noncontrolling interests acquired and arising on business combinations	6				2					4
Ending Balance (in shares) at Aug. 31, 2018			952,133,418
Ending Balance at Aug. 31, 2018	26,689	$ (88)	$ 12	(15,047)	10,493	0	(3,002)	33,551	$ (88)	682
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net earnings	3,962							3,982		(20)
Other comprehensive income (loss), net of tax	(909)						(896)			(13)
Dividends declared and distributions	(1,632)							(1,629)		(3)
Treasury stock purchases (in shares)			(61,723,456)
Treasury stock purchases	(4,160)			(4,160)
Employee stock purchase and option plans (in shares)			4,977,540
Employee stock purchase and option plans	174			150	24
Stock-based compensation	119				119
Noncontrolling interests contribution and other	(3)				3			(1)		(5)
Ending Balance (in shares) at Aug. 31, 2019			895,387,502
Ending Balance at Aug. 31, 2019	24,152	$ (442)	$ 12	(19,057)	10,639	0	(3,897)	35,815	$ (442)	641
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net earnings	424							456		(32)
Other comprehensive income (loss), net of tax	148						126			22
Dividends declared and distributions	(1,751)							(1,618)		(133)
Treasury stock purchases (in shares)			(32,055,576)
Treasury stock purchases	(1,589)			(1,589)
Employee stock purchase and option plans (in shares)			2,271,593
Employee stock purchase and option plans	55			72	(17)
Stock-based compensation	137				137
Noncontrolling interests contribution and other	2				2
Ending Balance (in shares) at Aug. 31, 2020			865,603,519
Ending Balance at Aug. 31, 2020	$ 21,136		$ 12	$ (20,575)	$ 10,761	$ 0	$ (3,771)	$ 34,210		$ 498