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PENSION AND OTHER POSTRETIREMENT BENEFITS - Benefit Plan Obligations, Funded Status, and Assumptions (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Oct. 29, 2023 | Oct. 30, 2022 | Oct. 31, 2021
Change in Plan Assets (Fair Value) |  |  |
Employer contribution | $ 228 | $ 1,240 |
Pensions |  |  |
Change in Benefit Obligations |  |  |
Beginning of year balance | (10,529) | (14,525) |
Service cost | (246) | (349) | $ (332)
Interest cost | (533) | (330) | (276)
Actuarial gain | 504 | 4,122 |
Prior service cost |  | (505) |
Benefits paid | 838 | 757 |
Settlement - benefit obligations | 112 |  |
Foreign exchange and other |  | 301 |
Foreign exchange and other | (74) |  |
End of year balance | (9,928) | (10,529) | (14,525)
Change in Plan Assets (Fair Value) |  |  |
Beginning of year balance | 13,219 | 17,190 |
Actual return on plan assets | (387) | (3,070) |
Employer contribution | 70 | 85 |
Benefits paid | (838) | (757) |
Settlement - plan assets | (112) |  |
Foreign exchange and other | 52 | (229) |
End of year balance | 12,004 | 13,219 | 17,190
Funded (unfunded) status | $ 2,076 | $ 2,690 |
Weighted-Average Assumptions |  |  |
Discount rates (as a percent) | 5.90% | 5.40% |
Rate of compensation increase (as a percent) | 3.80% | 3.80% |
Pensions | United States |  |  |
Weighted-Average Assumptions |  |  |
Interest crediting rate - U.S. cash balance plans (as a percent) | 4.90% | 4.40% |
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 | $ (3,341) | $ (4,930) |
Service cost | (27) | (45) | (48)
Interest cost | (176) | (99) | (102)
Actuarial gain | 285 | 1,492 |
Prior service cost |  | (12) |
Benefits paid | 260 | 282 |
Health care subsidies | (27) | (33) |
Foreign exchange and other | (3) | 4 |
End of year balance | (3,029) | (3,341) | (4,930)
Change in Plan Assets (Fair Value) |  |  |
Beginning of year balance | 2,136 | 1,755 |
Actual return on plan assets | (8) | (495) |
Employer contribution | 158 | 1,155 |
Benefits paid | (260) | (282) |
Foreign exchange and other | 2 | 3 |
End of year balance | 2,028 | 2,136 | $ 1,755
Funded (unfunded) status | $ (1,001) | $ (1,205) |
Weighted-Average Assumptions |  |  |
Discount rates (as a percent) | 6.00% | 5.60% |

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