Balance Sheet Detail (Other Liabilities) (Details) - USD ($) $ in Millions	Oct. 31, 2021	Oct. 25, 2020	Oct. 27, 2019
Other Liabilities
Defined and postretirement benefit plans	$ 193	$ 241	$ 212
Operating lease liabilities, non-current	$ 228	$ 195
Operating Lease, Liability, Noncurrent, Statement of Financial Position [Extensible Enumeration]	Total other liabilities	Total other liabilities
Other	$ 271	$ 226
Total other liabilities	$ 692	$ 662