Non-Controlling Interest	9 Months Ended
Sep. 30, 2025
Non-Controlling Interest [Abstract]
NON-CONTROLLING INTEREST	14. NON-CONTROLLING INTEREST Non-controlling interests represent equity interests in the Partnership that are not attributable to the Company. As at September 30, 2025, Telesat Corporation held a general partnership interest representing approximately 29% economic interest in the Partnership (December 31, 2024 — approximately 28%). The remaining 71% economic interest represents exchangeable units held by the limited partnership unit holders (December 31, 2024 — 72%). Net income (loss) attributable to non-controlling interests represents the non-controlling interests’ portion of the Partnership’s net income (loss).

The disclosure of non-controlling interests. [Refer: Non-controlling interests]

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Note Expiry date 2027-01-01
-Name IAS
-Number 1
-IssueDate 2025-01-01
-Paragraph 10
-Subparagraph e
-URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2025-en-b&anchor=para_10_e&doctype=Standard
-URIDate 2025-03-27

Name:	ifrs-full_DisclosureOfNoncontrollingInterestsExplanatory
Namespace Prefix:	ifrs-full_
Data Type:	dtr-2022:textBlockItemType
Balance Type:	na
Period Type:	duration