Background of the Company (Details) - Telesat Canada [Member]	12 Months Ended
Dec. 31, 2021
Background of the Company (Details) [Line Items]
Percentage of economic interests	63.00%
Public Sector Pension Investment Board [Member]
Background of the Company (Details) [Line Items]
Percentage of economic interests	36.00%

The proportion of ownership interests in a subsidiary held by non-controlling interests. [Refer: Subsidiaries [member]; Non-controlling interests]

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
-Number 12
-IssueDate 2021-01-01
-Paragraph 12
-Subparagraph c
-URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=12&code=ifrs-tx-2021-en-r&anchor=para_12_c&doctype=Standard
-URIDate 2021-03-24

Name:	ifrs-full_ProportionOfOwnershipInterestsHeldByNoncontrollingInterests
Namespace Prefix:	ifrs-full_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration