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PENSION AND OTHER POSTRETIREMENT BENEFITS - Benefit Plan Obligations, Funded Status, and Assumptions (Details) - USD ($)
$ in Millions
 12 Months Ended
Oct. 28, 2018
Oct. 29, 2017
Oct. 30, 2016
Pensions      
Change in benefit obligations      
Beginning of year balance $ (13,166) $ (13,086)  
Service cost (293) (274) $ (254)
Interest cost (390) (361) (391)
Actuarial gain (loss) 1,012 (35)  
Benefits paid 711 704  
Settlements/curtailments   2  
Acquisition (29)    
Foreign exchange and other 47 (116)  
End of year balance (12,108) (13,166) (13,086)
Change in plan assets (fair value)      
Beginning of year balance 12,093 11,137  
Actual return on plan assets 316 1,517  
Employer contribution 938 62  
Benefits paid (711) (704)  
Settlements   (2)  
Foreign exchange and other (34) 83  
End of year balance 12,602 12,093 11,137
Funded (unfunded) status $ 494 $ (1,073)  
Weighted-average assumptions      
Discount rates (as a percent) 4.10% 3.60%  
Rate of compensation increase (as a percent) 3.80% 3.80%  
Pensions | U.S.      
Employer Contributions      
Defined benefit plan approved voluntary employer contributions $ 870    
OPEB      
Change in benefit obligations      
Beginning of year balance (6,162) $ (6,500)  
Service cost (45) (42) (38)
Interest cost (191) (194) (204)
Actuarial gain (loss) 624 280  
Amendments (5)    
Benefits paid 317 312  
Health care subsidies (12) (9)  
Foreign exchange and other 2 (9)  
End of year balance (5,472) (6,162) (6,500)
Change in plan assets (fair value)      
Beginning of year balance 539 435  
Actual return on plan assets 6 46  
Employer contribution 488 366  
Benefits paid (317) (312)  
Foreign exchange and other 3 4  
End of year balance 719 539 $ 435
Funded (unfunded) status $ (4,753) $ (5,623)  
Weighted-average assumptions      
Discount rates (as a percent) 4.50% 3.70%  
OPEB | U.S.      
Employer Contributions      
Defined benefit plan approved voluntary employer contributions $ 430