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PENSION AND OTHER POSTRETIREMENT BENEFITS - Components of Net Periodic Cost (Details) - USD ($)
$ in Millions
 12 Months Ended
Oct. 28, 2018
Oct. 29, 2017
Oct. 30, 2016
Net Periodic Cost      
Location of costs excluding the service component us-gaap:OtherCostOfOperatingRevenue us-gaap:OtherCostOfOperatingRevenue us-gaap:OtherCostOfOperatingRevenue
Pensions      
Net Periodic Cost      
Service cost $ 293 $ 274 $ 254
Interest cost 390 361 391
Expected return on plan assets (775) (790) (775)
Amortization of actuarial (gain) loss 226 247 211
Amortization of prior service (credit) cost 12 12 16
Other postemployment benefits     2
Settlements/curtailments 8 2 11
Net cost $ 154 $ 106 $ 110
Weighted-Average Assumptions      
Discount rates - service cost (as a percent) 3.50% 3.50% 4.30%
Discount rates - interest cost (as a percent) 3.20% 3.00% 3.40%
Rate of compensation increase (as a percent) 3.80% 3.80% 3.80%
Expected long-term rates of return (as a percent) 6.90% 7.30% 7.30%
OPEB      
Net Periodic Cost      
Service cost $ 45 $ 42 $ 38
Interest cost 191 194 204
Expected return on plan assets (22) (17) (35)
Amortization of actuarial (gain) loss 62 99 73
Amortization of prior service (credit) cost (77) (77) (78)
Net cost $ 199 $ 241 $ 202
Weighted-Average Assumptions      
Discount rates - service cost (as a percent) 4.30% 4.70% 5.00%
Discount rates - interest cost (as a percent) 3.30% 3.20% 3.50%
Expected long-term rates of return (as a percent) 5.70% 6.30% 6.60%