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Supplemental Financial Information (Cash and Investments) (Details) - Fair Value, Inputs, Level 1 [Member] - USD ($)
$ in Millions
Nov. 04, 2018
Oct. 29, 2017
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Time Deposits, at Carrying Value $ 1,406 $ 6,002
Money Market Funds, at Carrying Value $ 202 $ 401