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Retirement Plans and Post-Retirement Benefits (Obligations Less Than Fair Value of Plan Assets) (Details) - USD ($)
$ in Millions
Nov. 03, 2019
Nov. 04, 2018
Pension Plan    
Defined Benefit Plan Disclosure [Line Items]    
Projected benefit obligations $ 1,461 $ 813
Accumulated benefit obligations 1,460 812
Fair value of plan assets 1,507 866
Other Post-Retirement Benefits Plan    
Defined Benefit Plan Disclosure [Line Items]    
Projected benefit obligations 0 0
Accumulated benefit obligations 77 60
Fair value of plan assets $ 85 $ 81