Income Taxes (Details) - USD ($) $ in Millions	3 Months Ended
	Oct. 31, 2022	Oct. 31, 2021	Jul. 31, 2022
Income Tax Disclosure [Abstract]
Excess tax benefits on share-based compensation	$ 7	$ 47
Income tax (benefit) provision	(8)	10
Income before income taxes	$ 32	$ 238
Effective tax rate		4.00%
Effective tax rate, excluding discrete tax benefits	25.00%	25.00%
Total amount of unrecognized tax benefits			$ 216
Favorable net impact to income tax expense due to recognition of tax benefits	$ 123
Noncurrent income taxes receivable	$ 89		$ 89