Condensed Consolidated Statements of Shareholders’ Equity - USD ($) $ in Millions	Total	Ordinary shares	Common stock	Paid-in Capital	Retained Earnings	Treasury Shares	Employee Benefit Trusts	Accumulated Other Comprehensive Loss
Beginning balance at Jul. 31, 2023		$ 30	$ 0	$ 809	$ 8,557	$ (3,425)	$ (46)	$ (888)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Treasury shares canceled (in shares)		0			0	0
Ordinary shares canceled (in shares)		0		0
Common stock issued			0				45
Share-based compensation expense				19
Net earnings	$ 519				519
Cash dividends declared					(152)
Shares issued under employee stock plans					(66)	25
Share repurchases						(33)
Other comprehensive income	(34)							(34)
Ending balance at Oct. 31, 2023	5,360	30	0	828	8,858	(3,433)	(1)	(922)
Beginning balance at Jul. 31, 2024	5,616	30	0	864	9,589	(3,936)	0	(931)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Treasury shares canceled (in shares)		(4)			(3,932)	3,936
Ordinary shares canceled (in shares)		(26)		26
Common stock issued			0				0
Share-based compensation expense				20
Net earnings	470				470
Cash dividends declared					(158)
Shares issued under employee stock plans					(80)	50
Share repurchases						(261)
Other comprehensive income	(2)							(2)
Ending balance at Oct. 31, 2024	$ 5,655	$ 0	$ 0	$ 910	$ 5,889	$ (211)	$ 0	$ (933)