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Amount of cost not yet recognized for nonvested award under share-based payment arrangement.

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Equity Award Plans (Allocation of Share-based Compensation) (Narrative) (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Apr. 30, 2026	Apr. 30, 2025	Apr. 30, 2026	Apr. 30, 2025
Employee Service Share-based Compensation, Allocation of Recognized Period Costs
Total share-based compensation	$ 684	$ 326	$ 1,355	$ 941
Unvested share-based awards not yet recognized	3,600		$ 3,600
Weighted-average recognition period			2 years 7 months 6 days
Sales and marketing
Employee Service Share-based Compensation, Allocation of Recognized Period Costs
Total share-based compensation	188	92	$ 388	258
General and administrative
Employee Service Share-based Compensation, Allocation of Recognized Period Costs
Total share-based compensation	238	$ 67	372	$ 173
CyberArk and Koi
Employee Service Share-based Compensation, Allocation of Recognized Period Costs
Total share-based compensation	177		177
CyberArk and Koi \| Cost of subscription and support revenue
Employee Service Share-based Compensation, Allocation of Recognized Period Costs
Total share-based compensation	1		1
CyberArk and Koi \| Sales and marketing
Employee Service Share-based Compensation, Allocation of Recognized Period Costs
Total share-based compensation	36		36
CyberArk and Koi \| General and administrative
Employee Service Share-based Compensation, Allocation of Recognized Period Costs
Total share-based compensation	$ 140		$ 140