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Supplemental Financial Information Changes in Accumulated Other Comprehensive Income (Details) - USD ($)
$ in Millions
 12 Months Ended
Nov. 04, 2018
Oct. 29, 2017
Oct. 30, 2016
Accumulated Other Comprehensive Income (Loss) [Line Items]      
Beginning Balance $ 23,186 $ 21,876 $ 4,714
Other comprehensive income (loss) (8) 43 (61)
Cumulative effect of accounting change (266) 50  
Ending Balance 26,657 23,186 21,876
AOCI Attributable to Parent [Member]      
Accumulated Other Comprehensive Income (Loss) [Line Items]      
Beginning Balance (91) (134) (73)
Unrealized gain (loss) on defined benefit pension plans and post-retirement benefit plans before reclassification (11) 63  
Reclassification from Accumulated Other Comprehensive Income, Current Period, before Tax [1] 1 1  
Tax Effects 2 (21)  
Other comprehensive income (loss) (8) 43 (61)
Cumulative effect of accounting change (16) 0  
Ending Balance $ (115) $ (91) $ (134)
[1] (a) Relates to amortization of actuarial loss and prior service costs associated with defined benefit pension plans and post-retirement benefit plans and are included in the computation of net periodic benefit (income) cost (refer to Note 7. “Retirement Plans and Post-Retirement Benefits” for additional information).