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PENSION AND OTHER POSTRETIREMENT BENEFITS - Other (Details) - USD ($) $ in Millions |  | 12 Months Ended
--- | --- | ---
Nov. 30, 2021 | Oct. 31, 2021 | Nov. 01, 2020
Amounts Recognized in Balance Sheet |  |  |
Noncurrent asset |  | $ 3,601 | $ 863
Employer Contributions |  |  |
Defined benefit plan employer contributions |  | 258 | 951
Pensions |  |  |
Amounts Recognized in Balance Sheet |  |  |
Noncurrent asset |  | 3,601 | 863
Current liability |  | (51) | (72)
Noncurrent liability |  | (885) | (1,238)
Funded (unfunded) status |  | 2,665 | (447)
Amounts Recognized in Accumulated Other Comprehensive Income - Pretax |  |  |
Net actuarial loss |  | 1,376 | 4,475
Prior service cost (credit) |  | 9 | 21
Total |  | 1,385 | 4,496
Accumulated Benefit Obligations - Additional Disclosures |  |  |
Accumulated benefit obligation for pension plans |  | 13,787 | 14,257
Accumulated Benefit Obligations in Excess of Plan Assets |  |  |
Defined benefit plan, pension plans with accumulated benefit obligations in excess of plan assets, accumulated benefit obligations |  | 2,012 | 2,107
Defined benefit plan, pension plans with accumulated benefit obligations in excess of plan assets, plan assets |  | 1,207 | 1,100
Projected Pension Benefit Obligations in Excess of Plan Assets |  |  |
Defined benefit plan, pension plans with projected benefit obligations in excess of plan assets, projected benefit obligations |  | 2,163 | 10,792
Defined benefit plan, pension plans with projected benefit obligations in excess of plan assets, plan assets |  | 1,227 | 9,482
Employer Contributions |  |  |
Defined benefit plan employer contributions |  | 101 | 108
Expected future employer contributions towards defined benefit plans |  | 100 |
Benefits Expected to be Paid from the Benefit Plans, which Reflect Expected Future Years of Service |  |  |
Defined benefit plan, expected future benefit payments, next twelve months |  | 730 |
Defined benefit plan, expected future benefit payments, year two |  | 710 |
Defined benefit plan, expected future benefit payments, year three |  | 701 |
Defined benefit plan, expected future benefit payments, year four |  | 693 |
Defined benefit plan, expected future benefit payments, year five |  | 698 |
Defined benefit plan, expected future benefit payments, five fiscal years thereafter |  | 3,426 |
OPEB |  |  |
Amounts Recognized in Balance Sheet |  |  |
Current liability |  | (36) | (36)
Noncurrent liability |  | (3,139) | (3,856)
Funded (unfunded) status |  | (3,175) | (3,892)
Amounts Recognized in Accumulated Other Comprehensive Income - Pretax |  |  |
Net actuarial loss |  | 49 | 747
Prior service cost (credit) |  | (20) | (24)
Total |  | 29 | 723
Employer Contributions |  |  |
Defined benefit plan employer contributions |  | 157 | 843
Defined benefit plan employer voluntary contributions |  |  | $ 700
Expected future employer contributions towards defined benefit plans |  | 1,150 |
Benefits Expected to be Paid from the Benefit Plans, which Reflect Expected Future Years of Service |  |  |
Defined benefit plan, expected future benefit payments, next twelve months |  | 280 |
Defined benefit plan, expected future benefit payments, year two |  | 279 |
Defined benefit plan, expected future benefit payments, year three |  | 279 |
Defined benefit plan, expected future benefit payments, year four |  | 278 |
Defined benefit plan, expected future benefit payments, year five |  | 278 |
Defined benefit plan, expected future benefit payments, five fiscal years thereafter |  | $ 1,374 |
OPEB | United States | Subsequent Event |  |  |
Employer Contributions |  |  |
Defined benefit plan employer voluntary contributions | $ 1,000 |  |

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