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COMMITMENTS AND CONTINGENT LIABILITIES - Narrative (Details) $ in Billions | Sep. 18, 2024 CAD ($) | Jul. 08, 2022 application
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Disclosure of contingent liabilities [line items] |  |
Number of applications filed |  | 4
Number of applications withdrawn |  | 1
Number of applications suspended |  | 2
BCE Inc. | Maple Leaf Sports and Entertainment Limited (MLSE) |  |
Disclosure of contingent liabilities [line items] |  |
Expected percentage of ownership stake acquired (as a percent) | 37.50% |
Percentage of ownership stake acquired, expected purchase price | $ | $ 4.7 |

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