XML 84 R73.htm IDEA: XBRL DOCUMENT
v3.25.3

Indebtedness - Schedule of Activity in Deferred Financing Charges (Details) $ in Thousands | 9 Months Ended
--- | ---
Sep. 30, 2025 CAD ($)
Schedule of Activity in Deferred Financing Charges [Line Items] |
Beginning balance | $ 654,944
Transferred to debt issue costs | (102,375)
Additions | 1,000
Impact of foreign exchange | (19,881)
Ending balance | 533,688
Telesat Lightspeed Financing Warrants [Member] |
Schedule of Activity in Deferred Financing Charges [Line Items] |
Beginning balance | 617,476
Transferred to debt issue costs | (96,352)
Additions |
Impact of foreign exchange | (18,847)
Ending balance | 502,277
Debt issue costs [Member] |
Schedule of Activity in Deferred Financing Charges [Line Items] |
Beginning balance | 37,468
Transferred to debt issue costs | (6,023)
Additions | 1,000
Impact of foreign exchange | (1,034)
Ending balance | $ 31,411

X
- Definition It represents deferred financing charges. + References No definition available. + Details
Name: | tsat_DeferredFinancingChargesBalance
Namespace Prefix: | tsat_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Refers to amount of impact of foreign exchange from financing activities during the period. + References No definition available. + Details
Name: | tsat_ImpactOfForeignExchange
Namespace Prefix: | tsat_
Data Type: | xbrli:monetaryItemType
Balance Type: | na
Period Type: | duration

X
- Definition Refers to amount of non cash additions from financing activity during the period. + References No definition available. + Details
Name: | tsat_NoncashAdditionsFromFinancingActivities
Namespace Prefix: | tsat_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- References No definition available. + Details
Name: | tsat_ScheduleOfActivityInDeferredFinancingChargesLineItems
Namespace Prefix: | tsat_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Transferred to debt issue costs. + References No definition available. + Details
Name: | tsat_TransferredToDebtIssueCosts
Namespace Prefix: | tsat_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Details
Name: | ifrs-full_ClassesOfFinancialLiabilitiesAxis=tsat_TelesatLightspeedFinancingWarrantsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_ClassesOfFinancialLiabilitiesAxis=tsat_DebtIssueCostsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |