CONSOLIDATED STATEMENTS OF EQUITY - USD ($) $ in Millions	Total	Common stock	Treasury stock	Paid-in capital	Employee stock loan receivable	Accumulated other comprehensive income (loss)	Retained earnings	Noncontrolling interests
Beginning Balance (in shares) at Aug. 31, 2016		1,082,986,591
Beginning Balance at Aug. 31, 2016	$ 30,281	$ 12	$ (4,934)	$ 10,111	$ (1)	$ (2,992)	$ 27,684	$ 401
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net earnings	4,101						4,078	23
Other comprehensive income (loss), net of tax	(95)					(59)		(36)
Dividends declared and distributions	(1,723)						(1,625)	(98)
Treasury stock purchases (in shares)		(64,589,677)
Treasury stock purchases	(5,220)		(5,220)
Employee stock purchase and option plans (in shares)		5,452,156
Employee stock purchase and option plans	218		183	34	1
Stock-based compensation	91			91
Noncontrolling interests acquired and arising on business combinations	621			103				518
Ending Balance (in shares) at Aug. 31, 2017		1,023,849,070
Ending 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 contribution and other	6			2				4
Ending Balance (in shares) at Aug. 31, 2018		952,133,418
Ending Balance at Aug. 31, 2018	26,689	$ 12	(15,047)	10,493	0	(3,002)	33,551	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	$ 12	$ (19,057)	$ 10,639	$ 0	$ (3,897)	$ 35,815	$ 641