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PENSION AND OTHER POSTRETIREMENT BENEFITS - Components of Net Periodic Cost (Details) - USD ($)
$ in Millions
 3 Months Ended 9 Months Ended
Aug. 02, 2020
Feb. 02, 2020
Jul. 28, 2019
Aug. 02, 2020
Jul. 28, 2019
Aug. 30, 2020
Net Periodic Cost            
Location of costs excluding the service component us-gaap:OtherCostOfOperatingRevenue   us-gaap:OtherCostOfOperatingRevenue us-gaap:OtherCostOfOperatingRevenue us-gaap:OtherCostOfOperatingRevenue  
Pensions            
Net Periodic Cost            
Service cost $ 80   $ 65 $ 241 $ 197  
Interest cost 86   112 260 334  
Expected return on plan assets (204)   (200) (613) (600)  
Amortization of actuarial loss 62   35 186 106  
Amortization of prior service (credit) cost 3   2 9 8  
Settlements 6   1 12 1  
Net cost 33   15 95 46  
Employer Contributions            
Defined benefit plan employer contributions       66    
Defined benefit plan employer contributions expected for the remainder of the fiscal year 26     26    
OPEB            
Net Periodic Cost            
Service cost 12   11 36 31  
Interest cost 34   53 106 160  
Expected return on plan assets (12)   (8) (36) (26)  
Amortization of actuarial loss 7   4 21 12  
Amortization of prior service (credit) cost (1)   (19) (3) (55)  
Curtailments       21    
Net cost 40   $ 41 145 $ 122  
Benefit obligation reduction   $ (245)        
Employer Contributions            
Defined benefit plan employer contributions       87    
Defined benefit plan employer contributions expected for the remainder of the fiscal year 648     648    
OPEB | United States            
Employer Contributions            
Defined benefit plan employer contributions expected for the remainder of the fiscal year $ 600     $ 600    
OPEB | United States | Subsequent Event            
Approved Employer Contributions            
Defined benefit plan approved voluntary employer contributions           $ 700
OPEB | First Quarter of 2020 Voluntary Employee-Separation Program | United States            
Net Periodic Cost            
Curtailments   $ 21