Consolidated Statements of Earnings - USD ($) shares in Millions	12 Months Ended
	Jul. 31, 2024	Jul. 31, 2023	Jul. 31, 2022
Income Statement [Abstract]
Net sales	$ 29,635,000,000	$ 29,734,000,000	$ 28,566,000,000
Cost of sales	(20,582,000,000)	(20,709,000,000)	(19,810,000,000)
Gross profit	9,053,000,000	9,025,000,000	8,756,000,000
Selling, general and administrative expenses	(6,066,000,000)	(5,920,000,000)	(5,635,000,000)
Impairments and other charges	0	(125,000,000)	0
Depreciation and amortization	(335,000,000)	(321,000,000)	(301,000,000)
Operating profit	2,652,000,000	2,659,000,000	2,820,000,000
Interest expense, net	(179,000,000)	(184,000,000)	(111,000,000)
Other expense, net	(9,000,000)	(11,000,000)	(1,000,000)
Income before income taxes	2,464,000,000	2,464,000,000	2,708,000,000
Provision for income taxes	(729,000,000)	(575,000,000)	(609,000,000)
Income from continuing operations	1,735,000,000	1,889,000,000	2,099,000,000
Income from discontinued operations (net of tax)	0	0	23,000,000
Net income	$ 1,735,000,000	$ 1,889,000,000	$ 2,122,000,000
Earnings per share - Basic:
Continuing operations, Basic (in usd per share)	$ 8.55	$ 9.15	$ 9.64
Discontinued operations, Basic (in usd per share)	0	0	0.11
Earnings per share, Basic (in usd per share)	8.55	9.15	9.75
Earnings per share - Diluted:
Continuing operations, Diluted (in usd per share)	8.53	9.12	9.59
Discontinued operations, Diluted (in usd per share)	0	0	0.10
Earnings per share, Diluted (in usd per share)	$ 8.53	$ 9.12	$ 9.69
Weighted average number of shares outstanding:
Basic (in shares)	202.9	206.4	217.7
Diluted (in shares)	203.5	207.2	218.9