v3.25.4
Investments in associates and joint ventures (Details) - CAD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Disclosure of associates [line items]    
Assets $ 80,165 $ 73,485
Liabilities (56,855) (56,125)
BCE's share of net assets 396 341
Revenues 24,468 24,409
Net earnings 6,514 375
BCE’s share of net gains (losses) 0 (247)
Total for all joint ventures | Total for all associates    
Disclosure of associates [line items]    
BCE's share of net assets 396 341
BCE’s share of net gains (losses) 8 (237)
Associates and Joint Ventures    
Disclosure of associates [line items]    
Assets 1,473 1,531
Liabilities (730) (796)
Total net assets 743 735
Revenues 1,691 2,426
Expenses (1,676) (2,906)
Net earnings $ 15 $ (480)