Quarterly report pursuant to Section 13 or 15(d)

Fair Value Measurements (Financial Assets Measured At Fair Value On A Recurring and Nonrecurring Basis) (Details)

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Fair Value Measurements (Financial Assets Measured At Fair Value On A Recurring and Nonrecurring Basis) (Details) - USD ($)
$ in Millions
Nov. 02, 2019
Nov. 03, 2018
Marketable equity and debt securities $ 92 $ 96
Quoted Prices in Active Markets for Identical Assets (Level 1) [Member]    
Marketable equity and debt securities 33 26
Significant Observable Inputs (Level 2) [Member]    
Marketable equity and debt securities 59 70
Significant Unobservable Inputs (Level 3) [Member]    
Marketable equity and debt securities $ 0 $ 0