Other Liabilities and Commitments - Other long-term obligations (Details) - USD ($) $ in Millions	Jul. 31, 2023	Jul. 31, 2022
Commitments and Contingencies Disclosure [Abstract]
Income tax liabilities	$ 76	$ 44
Dividend payable	16	12
Deferred revenue	5	6
Other	20	25
Total other long-term obligations	$ 117	$ 87