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v3.25.4

Segmented information - Revenues by Services and Products (Details) - CAD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2025 | Dec. 31, 2024
Disclosure of disaggregation of revenue from contracts with customers [line items] |  |
Operating revenues | $ 24,468 | $ 24,409
External service revenues |  |
Disclosure of disaggregation of revenue from contracts with customers [line items] |  |
Operating revenues | 24,468 | 24,409
Total services |  |
Disclosure of disaggregation of revenue from contracts with customers [line items] |  |
Operating revenues | 21,207 | 21,073
Total services | External service revenues |  |
Disclosure of disaggregation of revenue from contracts with customers [line items] |  |
Operating revenues | 21,207 | 21,073
Wireless voice and data |  |
Disclosure of disaggregation of revenue from contracts with customers [line items] |  |
Operating revenues | 7,053 | 7,136
Data [Member] |  |
Disclosure of disaggregation of revenue from contracts with customers [line items] |  |
Operating revenues | 8,439 | 8,117
Data [Member] | U.S. | Bell CTS |  |
Disclosure of disaggregation of revenue from contracts with customers [line items] |  |
Operating revenues | 322 |
Wireline voice |  |
Disclosure of disaggregation of revenue from contracts with customers [line items] |  |
Operating revenues | 2,520 | 2,672
Wireline voice | U.S. | Bell CTS |  |
Disclosure of disaggregation of revenue from contracts with customers [line items] |  |
Operating revenues | 70 |
Media |  |
Disclosure of disaggregation of revenue from contracts with customers [line items] |  |
Operating revenues | 2,882 | 2,830
Other wireline services |  |
Disclosure of disaggregation of revenue from contracts with customers [line items] |  |
Operating revenues | 313 | 318
Total products |  |
Disclosure of disaggregation of revenue from contracts with customers [line items] |  |
Operating revenues | 3,261 | 3,336
Wireless |  |
Disclosure of disaggregation of revenue from contracts with customers [line items] |  |
Operating revenues | 2,634 | 2,715
Wireline |  |
Disclosure of disaggregation of revenue from contracts with customers [line items] |  |
Operating revenues | $ 627 | $ 621

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