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PENSION AND OTHER POSTRETIREMENT BENEFITS - Benefit Plan Obligations, Funded Status, and Assumptions (Details) - USD ($)
$ in Millions
 12 Months Ended
Oct. 27, 2024
Oct. 29, 2023
Oct. 30, 2022
Change in Plan Assets (Fair Value):      
Employer contribution $ 241 $ 228  
Pensions      
Change in Benefit Obligations:      
Beginning of year balance (9,928) (10,529)  
Service cost (230) (246) $ (349)
Interest cost (545) (533) (330)
Actuarial gain (loss) (1,097) 504  
Benefits paid 746 838  
Settlement - benefit obligations   112  
Foreign exchange and other (23) (74)  
End of year balance (11,077) (9,928) (10,529)
Change in Plan Assets (Fair Value):      
Beginning of year balance 12,004 13,219  
Plan assets actual gain (loss) 1,703 (387)  
Employer contribution 96 70  
Benefits paid (746) (838)  
Settlement - plan assets   (112)  
Foreign exchange and other 23 52  
End of year balance 13,080 12,004 13,219
Funded (unfunded) status $ 2,003 $ 2,076  
Weighted-Average Assumptions:      
Discount rates (as a percent) 5.10% 5.90%  
Rate of compensation increase (as a percent) 4.30% 3.80%  
Pensions | United States      
Weighted-Average Assumptions:      
Interest crediting rate - U.S. cash balance plans (as a percent) 4.10% 4.90%  
Pensions | Canada      
Change in Benefit Obligations:      
Settlement - benefit obligations   $ 112  
Change in Plan Assets (Fair Value):      
Settlement - plan assets   (112)  
Net Periodic (Benefit) Cost      
Settlement   $ 36  
Location of settlement   Other Cost and Expense, Operating  
OPEB      
Change in Benefit Obligations:      
Beginning of year balance $ (3,029) $ (3,341)  
Service cost (17) (27) (45)
Interest cost (174) (176) (99)
Actuarial gain (loss) (385) 285  
Benefits paid 263 260  
Health care subsidies (22) (27)  
Foreign exchange and other 2 (3)  
End of year balance (3,362) (3,029) (3,341)
Change in Plan Assets (Fair Value):      
Beginning of year balance 2,028 2,136  
Plan assets actual gain (loss) 259 (8)  
Employer contribution 145 158  
Benefits paid (263) (260)  
Foreign exchange and other 2 2  
End of year balance 2,171 2,028 $ 2,136
Funded (unfunded) status $ (1,191) $ (1,001)  
Weighted-Average Assumptions:      
Discount rates (as a percent) 5.20% 6.00%