Other Liabilities and Commitments - Other Current Liabilities (Details) - USD ($) $ in Millions	Oct. 31, 2022	Jul. 31, 2022
Other Liabilities Disclosure [Abstract]
Executive deferred compensation plan liabilities	$ 152	$ 147
Accrued settlement for state attorneys general	141	141
Current portion of operating lease liabilities	86	84
Sales, property, and other taxes	50	40
Reserve for returns and credits	25	25
Merchant and consumer payments processing reserves	11	21
Amounts due for share repurchases	19	10
Interest payable	20	11
Current portion of dividend payable	14	12
Income taxes payable	7	8
Reserve for promotional discounts and rebates	5	6
Other	59	74
Total other current liabilities	$ 589	$ 579