XML 91 R80.htm IDEA: XBRL DOCUMENT v3.21.2
Income Taxes (Details) - USD ($)
$ in Millions
3 Months Ended 9 Months Ended
Aug. 01, 2021
Jul. 26, 2020
Aug. 01, 2021
Jul. 26, 2020
Income Tax Disclosure [Abstract]        
Effective income tax rate provision (as percent) 13.30% 19.10% 12.40% 14.90%
Valuation allowance   $ 44   $ 44