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Supplemental Financial Information (Cash Equivalents) (Details) - Cash Equivalents - Fair Value, Inputs, Level 1 - USD ($)
$ in Millions
Aug. 01, 2021
Nov. 01, 2020
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Time deposits $ 3,880 $ 2,471
Money-market funds $ 1,555 $ 790