Consolidated Statements of Shareholders’ Equity - USD ($) $ in Millions	Total	Ordinary Shares	Paid-in Capital	Retained Earnings	Treasury Shares	Employee Benefit Trust	Accumulated Other Comprehensive Loss
Beginning balance at Jul. 31, 2021	$ 5,003	$ 30	$ 704	$ 6,054	$ (931)	$ (58)	$ (796)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Share-based compensation	56		56
Net income	2,122			2,122
Other comprehensive loss	(34)						(34)
Cash dividends	(550)			(550)
Share repurchases	(1,964)				(1,872)	(92)
Shares issued under employee share plans	13			(51)	21	43
Other	19			19
Ending balance at Jul. 31, 2022	4,665	30	760	7,594	(2,782)	(107)	(830)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Share-based compensation	49		49
Net income	1,889			1,889
Other comprehensive loss	(58)						(58)
Cash dividends	(858)			(858)
Share repurchases	(667)				(667)	0
Shares issued under employee share plans	17			(68)	24	61
Ending balance at Jul. 31, 2023	5,037	30	809	8,557	(3,425)	(46)	(888)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Share-based compensation	53		53
Net income	1,735			1,735
Other comprehensive loss	(43)						(43)
Cash dividends	(631)			(631)
Share repurchases	(558)				(558)
Shares issued under employee share plans	20			(72)	47	45
Other	3		2			1
Ending balance at Jul. 31, 2024	$ 5,616	$ 30	$ 864	$ 9,589	$ (3,936)	$ 0	$ (931)