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Share Capital (Tables) | 9 Months Ended
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Sep. 30, 2025
Share Capital [Line Items] |
Schedule of Number of Shares and Stated Value of the Outstanding Shares | The number of shares and stated value of the outstanding shares were as follows:
|  | September 30, 2025 |  | December 31, 2024
|  | Number of shares |  | Stated value |  | Number of shares |  | Stated value
Telesat Public Shares |  | 14,685,375 |  | $ | 62,190 |  | 14,080,010 |  | $ | 52,742
Class C Shares |  | 112,841 |  |  | 6,340 |  | 112,841 |  |  | 6,340
|  | 14,798,216 |  | $ | 68,530 |  | 14,192,851 |  | $ | 59,082
Telesat Public Shares [Member] |
Share Capital [Line Items] |
Schedule of Number of Shares and Stated Value of the Outstanding Shares | The breakdown of the number of shares of Telesat Public Shares, as at September 30, 2025, was as follows:
Telesat Public shares |  |
Class A Common shares |  | 3,955,135
Class B Variable Voting shares |  | 10,730,240
Total Telesat Public shares |  | 14,685,375
Limited Partnership Units [Member] |
Share Capital [Line Items] |
Schedule of Number of Shares and Stated Value of the Outstanding Shares | The number and stated value of the outstanding LP Units of the Partnership as at September 30, 2025 and December 31, 2024 were as follows:
|  | September 30, 2025 |  | December 31, 2024
|  | Number of shares |  | Stated value |  | Number of shares |  | Stated value
Class A and Class B LP Units |  | 18,069,713 |  | $ | 49,451 |  | 18,321,792 |  | $ | 50,141
Class C LP Units |  | 18,098,362 |  |  | 38,893 |  | 18,098,362 |  |  | 38,893
|  | 36,168,075 |  | $ | 88,344 |  | 36,420,154 |  | $ | 89,034

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