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RELATED PARTY DISCLOSURES (Details) - CAD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2020 | Dec. 31, 2019
RELATED PARTY DISCLOSURES |  |
Sales | $ 458 | $ 676
Purchases | 130 | 215
Accounts receivable | 26 | 38
Accounts payable and accrued liabilities | 16 | 19
Compensation of Key Management Personnel |  |
Salaries and other short-term benefits | 9 | 14
Pension and other post-retirement benefits | 3 | 3
Share-based compensation | (9) | 47
Total | 3 | 64
Parachem Chemicals Inc |  |
RELATED PARTY DISCLOSURES |  |
Sales | $ 173 | $ 269

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