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PENSION AND POSTRETIREMENT BENEFITS - Components of Benefit Costs (Details) - USD ($)
$ in Millions
3 Months Ended 9 Months Ended
Jul. 29, 2018
Jul. 30, 2017
Jul. 29, 2018
Jul. 30, 2017
Apr. 29, 2018
Pensions          
Net Periodic Cost          
Service cost $ 75 $ 68 $ 223 $ 203  
Interest cost 97 90 292 270  
Expected return on plan assets (193) (197) (581) (591)  
Amortization of actuarial (gain) loss 53 61 168 182  
Amortization of prior service (credit) cost 3 3 9 9  
Settlements/curtailments 1 1 7 2  
Net cost 36 26 118 75  
Employer Contributions          
Defined benefit plan employer contributions     922    
Defined benefit plan employer contributions expected for the remainder of the fiscal year 16   16    
Pensions | U.S.          
Employer Contributions          
Defined benefit plan employer contributions     870    
Other Postretirement          
Net Periodic Cost          
Service cost 11 11 33 32  
Interest cost 47 48 143 146  
Expected return on plan assets (5) (4) (16) (13)  
Amortization of actuarial (gain) loss 16 25 47 74  
Amortization of prior service (credit) cost (19) (20) (57) (58)  
Net cost 50 $ 60 150 $ 181  
Employer Contributions          
Defined benefit plan employer contributions     168    
Defined benefit plan employer contributions expected for the remainder of the fiscal year $ 2   2    
Other Postretirement | U.S.          
Employer Contributions          
Defined benefit plan employer contributions     $ 130    
Pension and Other Postretirement | U.S.          
Employer Contributions          
Defined benefit plan approved voluntary employer contributions         $ 1,000