Condensed Consolidated Statements of Stockholders’ Equity - USD ($) $ in Millions	Total	Ordinary shares	Common stock	Paid-in capital	Retained earnings	Treasury shares	Employee Benefit Trust	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]
Total other comprehensive income (loss), net of tax	$ (34)
Ending balance at Oct. 31, 2023								(922)
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		0			0	0
Ordinary shares canceled (in shares)		0		0
Common stock issued			0				45
Share-based compensation expense				44
Net earnings	1,284				1,284
Cash dividends declared					(472)
Shares issued under employee stock plans					(68)	26
Other				2			1
Share repurchases						(351)
Total other comprehensive income (loss), net of tax	(26)							(26)
Ending balance at Apr. 30, 2024	5,522	30	0	855	9,301	(3,750)	0	(914)
Beginning balance at Oct. 31, 2023								(922)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Total other comprehensive income (loss), net of tax	25
Ending balance at Jan. 31, 2024		30	0	842	9,018	(3,575)	0	(897)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Treasury shares canceled		0			0	0
Ordinary shares canceled (in shares)		0		0
Common stock issued			0				0
Share-based compensation expense				13
Net earnings	443				443
Cash dividends declared					(160)
Shares issued under employee stock plans					0	0
Other				0			0
Share repurchases						(175)
Total other comprehensive income (loss), net of tax	(17)							(17)
Ending balance at Apr. 30, 2024	5,522	30	0	855	9,301	(3,750)	0	(914)
Beginning balance at Jul. 31, 2024	5,616	30	0	864	9,589	(3,936)	0	(931)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Total other comprehensive income (loss), net of tax	(2)
Ending balance at Oct. 31, 2024								(933)
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		(4)			(3,932)	3,936
Ordinary shares canceled (in shares)		(26)		26
Common stock issued			0				0
Share-based compensation expense				30
Net earnings	1,156				1,156
Cash dividends declared					(488)
Shares issued under employee stock plans					(84)	53
Other				0			0
Share repurchases						(767)
Total other comprehensive income (loss), net of tax	15							15
Ending balance at Apr. 30, 2025	5,531	0	0	920	6,241	(714)	0	(916)
Beginning balance at Oct. 31, 2024								(933)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Total other comprehensive income (loss), net of tax	(31)
Ending balance at Jan. 31, 2025		0	0	912	5,998	(457)	0	(964)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Treasury shares canceled		0			0	0
Ordinary shares canceled (in shares)		0		0
Common stock issued			0				0
Share-based compensation expense				8
Net earnings	410				410
Cash dividends declared					(164)
Shares issued under employee stock plans					(3)	2
Other				0			0
Share repurchases						(259)
Total other comprehensive income (loss), net of tax	48							48
Ending balance at Apr. 30, 2025	$ 5,531	$ 0	$ 0	$ 920	$ 6,241	$ (714)	$ 0	$ (916)