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Income Taxes (Details) - USD ($)
$ in Millions
3 Months Ended 6 Months Ended
May 02, 2021
Apr. 26, 2020
May 02, 2021
Apr. 26, 2020
Income Tax Disclosure [Abstract]        
Effective income tax rate provision (as percent) 13.90% 14.00% 11.70% 12.50%
Valuation allowance $ 19   $ 19