Other Liabilities and Commitments - Other Current Liabilities (Details) - USD ($) $ in Millions	Apr. 30, 2023	Jul. 31, 2022
Other Liabilities Disclosure [Abstract]
Executive deferred compensation plan liabilities	$ 157	$ 147
Current portion of operating lease liabilities	87	84
Sales, property, and other taxes	83	40
Reserve for returns, credits, and promotional discounts	66	31
Accrued settlement for state attorneys general	0	141
Other	105	128
Total other current liabilities	$ 498	$ 571