EQUITY - Non-Controlling Interests (Details) - Backhaul Network Services Inc. $ in Millions, $ in Millions |
12 Months Ended | ||
|---|---|---|---|
|
Jun. 20, 2025
USD ($)
|
Jun. 20, 2025
CAD ($)
|
Dec. 31, 2025
CAD ($)
|
|
| Disclosure of subsidiaries [line items] | |||
| Non-controlling interest in subsidiaries sold | 49.90% | 49.90% | |
| Voting rights of non-controlling interest in subsidiaries sold | 0.20 | 0.20 | |
| Proceeds from changes in ownership interests in subsidiaries that do not result in loss of control | $ 4,850 | $ 6,700 | |
| Non-controlling interest in subsidiaries, debt leverage ratio, maximum | 3.25 | 3.25 | |
| Annual rate of return to non-controlling interest in subsidiaries for repurchase of ownership interest | 8.00% | 8.00% | |
| Agreement with non-controlling interest in subsidiaries, initial term | 25 years | 25 years | |
| Non-controlling interest in subsidiaries, quarterly pro rata cash distributions, period | 5 years | 5 years | |
| Annual rate of return to non-controlling interest in subsidiaries | 7.00% | 7.00% | |
| Dividends paid to non-controlling interests | $ 133 | ||