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COMMITMENTS AND CONTINGENT LIABILITIES - Other (Details) $ in Millions | Dec. 31, 2020 CAD ($)
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Other Provisions, Contingent Liabilities and Contingent Assets [Abstract] |
Acquisition of property, plant and equipment | $ 344
Acquisition of intangible assets | 30
Commitments related to associates and joint ventures | 405
Total other commitments | 779
Estimated impact that would have resulted this quarter for CRTC's order as drafted | 210
Minimum |
Disclosure of contingent liabilities [line items] |
Estimated ongoing impact per quarter | 10
Maximum |
Disclosure of contingent liabilities [line items] |
Estimated ongoing impact per quarter | $ 15

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