v3.25.4
Significant partly-owned subsidiary - Summarized Statements of Financial Position (Details) - CAD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Disclosure of subsidiaries [line items]    
Current assets $ 7,407 $ 8,923
Non-current assets 72,758 64,562
Total assets 80,165 73,485
Current liabilities 12,856 14,846
Non-current liabilities 43,999 41,279
Total liabilities 56,855 56,125
Total equity attributable to BCE shareholders 23,020 17,071
NCI 290 289
CTV Specialty hedge    
Disclosure of subsidiaries [line items]    
Current assets 400 423
Non-current assets 768 733
Total assets 1,168 1,156
Current liabilities 164 164
Non-current liabilities 99 92
Total liabilities 263 256
Total equity attributable to BCE shareholders 634 631
NCI $ 271 $ 269
Proportion of ownership interests held by non-controlling interests 29.90% 29.90%