- Other Current Liabilities (Details) - USD ($) $ in Millions	Jan. 31, 2017	Jul. 31, 2016
Other Liabilities, Current [Abstract]
Reserve for product returns	$ 53	$ 7
Reserve for rebates	42	14
Current portion of license fee payable	10	10
Current portion of deferred rent	7	6
Interest payable	11	11
Amounts due for share repurchases	7	0
Executive deferred compensation plan liabilities	76	69
Other	48	44
Total other current liabilities	$ 254	$ 161