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PENSION AND OTHER POSTRETIREMENT BENEFITS - EXPECTED BENEFIT PAYMENTS AND EMPLOYER CONTRIBUTIONS (Details) $ in Millions | Dec. 31, 2019 CAD ($)
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Canada | Pension |
Benefits Expected to be Paid by the Company |
Expected future benefit payments for 2020 | $ 180
Expected future benefit payments for 2021 | 186
Expected future benefit payments for 2022 | 192
Expected future benefit payments for 2023 | 198
Expected future benefit payments for 2024 | 204
Expected future benefit payments for 2025-2029 | 1,105
Contributions expected to be paid in next fiscal year | 104
Canada | OPEB |
Benefits Expected to be Paid by the Company |
Expected future benefit payments for 2020 | 12
Expected future benefit payments for 2021 | 12
Expected future benefit payments for 2022 | 12
Expected future benefit payments for 2023 | 13
Expected future benefit payments for 2024 | 13
Expected future benefit payments for 2025-2029 | 69
Contributions expected to be paid in next fiscal year | 12
United States | Pension |
Benefits Expected to be Paid by the Company |
Expected future benefit payments for 2020 | 87
Expected future benefit payments for 2021 | 90
Expected future benefit payments for 2022 | 91
Expected future benefit payments for 2023 | 89
Expected future benefit payments for 2024 | 91
Expected future benefit payments for 2025-2029 | 402
Contributions expected to be paid in next fiscal year | 31
United States | OPEB |
Benefits Expected to be Paid by the Company |
Expected future benefit payments for 2020 | 23
Expected future benefit payments for 2021 | 22
Expected future benefit payments for 2022 | 21
Expected future benefit payments for 2023 | 20
Expected future benefit payments for 2024 | 19
Expected future benefit payments for 2025-2029 | 82
Contributions expected to be paid in next fiscal year | $ 8

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