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POST-EMPLOYMENT BENEFITS - Allocation of Plan Assets (Details) | Dec. 31, 2021 | Dec. 31, 2020
--- | --- | ---
Disclosure of fair value of plan assets [line items] |  |
Domestic equity securities | 11.80% | 11.90%
International equity securities | 47.00% | 48.60%
Debt securities | 40.70% | 39.00%
Other - cash | 0.50% | 0.50%
Total | 100.00% | 100.00%
Minimum |  |
Disclosure of fair value of plan assets [line items] |  |
Target asset allocation percentage, Debt securities (as a percent) | 25.00% |
Target asset allocation percentage, Other - cash (as a percent) | 0.00% |
Minimum | Domestic |  |
Disclosure of fair value of plan assets [line items] |  |
Target asset allocation percentage, Equity securities (as a percent) | 8.00% |
Minimum | International |  |
Disclosure of fair value of plan assets [line items] |  |
Target asset allocation percentage, Equity securities (as a percent) | 37.00% |
Maximum |  |
Disclosure of fair value of plan assets [line items] |  |
Target asset allocation percentage, Debt securities (as a percent) | 45.00% |
Target asset allocation percentage, Other - cash (as a percent) | 2.00% |
Maximum | Domestic |  |
Disclosure of fair value of plan assets [line items] |  |
Target asset allocation percentage, Equity securities (as a percent) | 18.00% |
Maximum | International |  |
Disclosure of fair value of plan assets [line items] |  |
Target asset allocation percentage, Equity securities (as a percent) | 67.00% |

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