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Significant partly-owned subsidiary - Summarized Statements of Financial Position (Details) - CAD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2024 | Dec. 31, 2023
Disclosure of subsidiaries [line items] |  |
Current assets | $ 8,923 | $ 7,898
Non-current assets | 64,562 | 64,042
Total assets | 73,485 | 71,940
Current liabilities | 14,846 | 12,107
Non-current liabilities | 41,279 | 39,276
Total liabilities | 56,125 | 51,383
Total equity attributable to BCE shareholders | 17,071 | 20,229
NCI | 289 | 328
CTV Specialty hedge |  |
Disclosure of subsidiaries [line items] |  |
Current assets | 423 | 466
Non-current assets | 733 | 941
Total assets | 1,156 | 1,407
Current liabilities | 164 | 153
Non-current liabilities | 92 | 239
Total liabilities | 256 | 392
Total equity attributable to BCE shareholders | 631 | 707
NCI | $ 269 | $ 308
Proportion of ownership interests held by non-controlling interests | 29.90% | 29.90%
Net assets | $ 0 | $ 7

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