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PENSIONS AND OTHER POST RETIREMENT BENEFITS - Investment Objectives (Details) - Defined benefits pension plans - CAD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2020 | Dec. 31, 2019 | Dec. 31, 2018
Pension and other PostRetirement Benefits, |  |  |
Employer contributions |  | $ 157 | $ 182
Contribution deposited in solvency reserve account |  | $ 2 | $ 2
Expected cash contributions | $ 176 |  |
Equities |  |  |
Pension and other PostRetirement Benefits, |  |  |
Plan asset allocation percentage |  | 50.00% | 48.00%
Equities | Canada |  |  |
Pension and other PostRetirement Benefits, |  |  |
Plan asset allocation percentage |  | 12.00% | 13.00%
Equities | United States |  |  |
Pension and other PostRetirement Benefits, |  |  |
Plan asset allocation percentage |  | 19.00% | 17.00%
Equities | Foreign |  |  |
Pension and other PostRetirement Benefits, |  |  |
Plan asset allocation percentage |  | 19.00% | 18.00%
Fixed income | Canada |  |  |
Pension and other PostRetirement Benefits, |  |  |
Plan asset allocation percentage |  | 41.00% | 43.00%
Real estate |  |  |
Pension and other PostRetirement Benefits, |  |  |
Plan asset allocation percentage |  | 100.00% | 100.00%
Real estate | Canada |  |  |
Pension and other PostRetirement Benefits, |  |  |
Plan asset allocation percentage |  | 9.00% | 9.00%

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