v3.26.1
Consolidated subsidiaries, associates - Schedule of Consolidated Structured Entities (Detail)
12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Disclosure of information about consolidated structured entities [line items]      
Country Of Incorporation Luxembourg Law    
BRAZIL      
Disclosure of information about consolidated structured entities [line items]      
Description Of Entities Name PanAmSat Sistemas de Com. DTH do Brasil Ltda    
PERU      
Disclosure of information about consolidated structured entities [line items]      
Description Of Entities Name Intelsat Peru S.A.C.    
ROMANIA      
Disclosure of information about consolidated structured entities [line items]      
Proportion Of Ownership Interest In Subsidiary And Associates     100.00%
Name Of Consolidated Method     Full
UNITED STATES      
Disclosure of information about consolidated structured entities [line items]      
Proportion Of Ownership Interest In Subsidiary And Associates     100.00%
Name Of Consolidated Method     Full
Al Maisan Satellite Communication Company L.L.C. [Member]      
Disclosure of information about consolidated structured entities [line items]      
Proportion Of Ownership Interest In Subsidiary And Associates     35.00%
Name Of Consolidated Method     Full
Al Maisan Satellite Communication Company L.L.C. [Member] | UKRAINE      
Disclosure of information about consolidated structured entities [line items]      
Description Of Entities Name Al Maisan Satellite Communication Company L.L.C.    
Country Of Incorporation UA    
Proportion Of Ownership Interest In Subsidiary And Associates 35.00% 35.00%  
Name Of Consolidated Method Full Full  
Societe Europene des Satellites Telecom. de Argentina S.A. [Member]      
Disclosure of information about consolidated structured entities [line items]      
Proportion Of Ownership Interest In Subsidiary And Associates     100.00%
Name Of Consolidated Method     Full
Societe Europene des Satellites Telecom. de Argentina S.A. [Member] | ARGENTINA      
Disclosure of information about consolidated structured entities [line items]      
Description Of Entities Name Societé Européene des Satellites Telecom. de Argentina S.A.    
Country Of Incorporation AR    
Proportion Of Ownership Interest In Subsidiary And Associates 100.00% 100.00%  
Name Of Consolidated Method Full Full  
O3b Teleport Services (Australia) Pty [Member]      
Disclosure of information about consolidated structured entities [line items]      
Proportion Of Ownership Interest In Subsidiary And Associates     100.00%
Name Of Consolidated Method     Full
O3b Teleport Services (Australia) Pty [Member] | AUSTRALIA      
Disclosure of information about consolidated structured entities [line items]      
Description Of Entities Name O3b Teleport Services (Australia) Pty    
Country Of Incorporation AU    
Proportion Of Ownership Interest In Subsidiary And Associates 100.00% 100.00%  
Name Of Consolidated Method Full Full  
Intelsat Asia Pty. Ltd. [Member] | AUSTRALIA      
Disclosure of information about consolidated structured entities [line items]      
Description Of Entities Name Intelsat Asia Pty. Ltd.    
Country Of Incorporation AU    
Proportion Of Ownership Interest In Subsidiary And Associates 100.00%    
Name Of Consolidated Method Full    
Intelsat Inflight Pty. Limited [Member] | AUSTRALIA      
Disclosure of information about consolidated structured entities [line items]      
Description Of Entities Name Intelsat Inflight Pty. Limited    
Country Of Incorporation AU    
Proportion Of Ownership Interest In Subsidiary And Associates 100.00%    
Name Of Consolidated Method Full    
Redu Space Services S.A. [Member]      
Disclosure of information about consolidated structured entities [line items]      
Proportion Of Ownership Interest In Subsidiary And Associates     100.00%
Name Of Consolidated Method     Full
Redu Space Services S.A. [Member] | BELGIUM      
Disclosure of information about consolidated structured entities [line items]      
Description Of Entities Name Redu Space Services S.A.    
Country Of Incorporation BE    
Proportion Of Ownership Interest In Subsidiary And Associates 100.00% 100.00%  
Name Of Consolidated Method Full Full  
Redu Operations Services S.A. [Member] | BELGIUM      
Disclosure of information about consolidated structured entities [line items]      
Description Of Entities Name Redu Operations Services S.A.    
Country Of Incorporation [1] BE    
Proportion Of Ownership Interest In Subsidiary And Associates [1] 0.00% 100.00% 100.00%
Name Of Consolidated Method [1] Full Full
Satellite Ventures (Bermuda) Limited. [Member]      
Disclosure of information about consolidated structured entities [line items]      
Proportion Of Ownership Interest In Subsidiary And Associates     100.00%
Name Of Consolidated Method     Full
Satellite Ventures (Bermuda) Limited. [Member] | BERMUDA      
Disclosure of information about consolidated structured entities [line items]      
Description Of Entities Name Satellite Ventures (Bermuda) Limited    
Country Of Incorporation BM    
Proportion Of Ownership Interest In Subsidiary And Associates 100.00% 100.00%  
Name Of Consolidated Method Full Full  
Intelsat Finance Bermuda Limited. [Member] | BERMUDA      
Disclosure of information about consolidated structured entities [line items]      
Description Of Entities Name Intelsat Finance Bermuda Limited    
Country Of Incorporation BM    
Proportion Of Ownership Interest In Subsidiary And Associates 100.00%    
Name Of Consolidated Method Full    
SES Telecomunicacoes do Brasil Ltda [Member]      
Disclosure of information about consolidated structured entities [line items]      
Proportion Of Ownership Interest In Subsidiary And Associates     100.00%
Name Of Consolidated Method     Full
SES Telecomunicacoes do Brasil Ltda [Member] | BRAZIL      
Disclosure of information about consolidated structured entities [line items]      
Description Of Entities Name SES Telecomunicações do Brasil Ltda    
Country Of Incorporation BR    
Proportion Of Ownership Interest In Subsidiary And Associates 100.00% 100.00%  
Name Of Consolidated Method Full Full  
SES Satelites Directo Ltda [Member]      
Disclosure of information about consolidated structured entities [line items]      
Proportion Of Ownership Interest In Subsidiary And Associates     100.00%
Name Of Consolidated Method     Full
SES Satelites Directo Ltda [Member] | BRAZIL      
Disclosure of information about consolidated structured entities [line items]      
Description Of Entities Name SES Satelites Directo Ltda.    
Country Of Incorporation BR    
Proportion Of Ownership Interest In Subsidiary And Associates 100.00% 100.00%  
Name Of Consolidated Method Full Full  
SES DTH do Brasil Ltda. [Member]      
Disclosure of information about consolidated structured entities [line items]      
Proportion Of Ownership Interest In Subsidiary And Associates     100.00%
Name Of Consolidated Method     Full
SES DTH do Brasil Ltda. [Member] | BRAZIL      
Disclosure of information about consolidated structured entities [line items]      
Description Of Entities Name SES DTH do Brasil Ltda.    
Country Of Incorporation BR    
Proportion Of Ownership Interest In Subsidiary And Associates 100.00% 100.00%  
Name Of Consolidated Method Full Full  
New Skies Satellites Ltda [Member]      
Disclosure of information about consolidated structured entities [line items]      
Proportion Of Ownership Interest In Subsidiary And Associates     100.00%
Name Of Consolidated Method     Full
New Skies Satellites Ltda [Member] | BRAZIL      
Disclosure of information about consolidated structured entities [line items]      
Description Of Entities Name New Skies Satellites Ltda    
Country Of Incorporation BR    
Proportion Of Ownership Interest In Subsidiary And Associates 100.00% 100.00%  
Name Of Consolidated Method Full Full  
Intelsat Brasil Ltda. [Member] | BRAZIL      
Disclosure of information about consolidated structured entities [line items]      
Description Of Entities Name Intelsat Brasil Ltda.    
Country Of Incorporation BR    
Proportion Of Ownership Interest In Subsidiary And Associates 100.00%    
Name Of Consolidated Method Full    
Intelsat Brasil Servicos de Telecomicacao Ltda. [Member] | BRAZIL      
Disclosure of information about consolidated structured entities [line items]      
Description Of Entities Name Intelsat Brasil Servicos de Telecomicacao Ltda.    
Country Of Incorporation BR    
Proportion Of Ownership Interest In Subsidiary And Associates 100.00%    
Name Of Consolidated Method Full    
Intelsat Inflight Brasil Telecommunicacoes Ltda [Member] | BRAZIL      
Disclosure of information about consolidated structured entities [line items]      
Description Of Entities Name Intelsat Inflight Brasil Telecommunicacoes Ltda    
Country Of Incorporation BR    
Proportion Of Ownership Interest In Subsidiary And Associates 100.00%    
Name Of Consolidated Method Full    
Intelsat Inflight Brasil Participacoes Ltda [Member] | BRAZIL      
Disclosure of information about consolidated structured entities [line items]      
Description Of Entities Name Intelsat Inflight Brasil Participacoes Ltda    
Country Of Incorporation BR    
Proportion Of Ownership Interest In Subsidiary And Associates 100.00%    
Name Of Consolidated Method Full    
North American Satellite Ventures, Inc. [Member]      
Disclosure of information about consolidated structured entities [line items]      
Proportion Of Ownership Interest In Subsidiary And Associates     100.00%
Name Of Consolidated Method     Full
North American Satellite Ventures, Inc. [Member] | CANADA      
Disclosure of information about consolidated structured entities [line items]      
Description Of Entities Name North American Satellite Ventures, Inc.    
Country Of Incorporation CA    
Proportion Of Ownership Interest In Subsidiary And Associates 100.00% 100.00%  
Name Of Consolidated Method Full Full  
Intelsat Inflight Canada ULC [Member] | CANADA      
Disclosure of information about consolidated structured entities [line items]      
Description Of Entities Name Intelsat Inflight Canada ULC    
Country Of Incorporation CA    
Proportion Of Ownership Interest In Subsidiary And Associates 100.00%    
Name Of Consolidated Method Full    
Intelsat Canada ULC [Member] | CANADA      
Disclosure of information about consolidated structured entities [line items]      
Description Of Entities Name Intelsat Canada ULC    
Country Of Incorporation CA    
Proportion Of Ownership Interest In Subsidiary And Associates 100.00%    
Name Of Consolidated Method Full    
Intelsat Inflight Switzerland GmbH [Member] | SWITZERLAND      
Disclosure of information about consolidated structured entities [line items]      
Description Of Entities Name Intelsat Inflight Switzerland GmbH    
Country Of Incorporation CH    
Proportion Of Ownership Interest In Subsidiary And Associates 100.00%    
Name Of Consolidated Method Full    
SES Telecomunicaciones de Chile SpA [Member] | CHILE      
Disclosure of information about consolidated structured entities [line items]      
Description Of Entities Name SES Telecomunicaciones de Chile SpA    
Country Of Incorporation CL    
Proportion Of Ownership Interest In Subsidiary And Associates 100.00% 100.00% 100.00%
Name Of Consolidated Method Full Full Full
Intelsat Inflight Chile SpA [Member] | CHILE      
Disclosure of information about consolidated structured entities [line items]      
Description Of Entities Name Intelsat Inflight Chile SpA    
Country Of Incorporation CL    
Proportion Of Ownership Interest In Subsidiary And Associates 100.00%    
Name Of Consolidated Method Full    
Intelsat Asia (Hong Kong) Limited [Member] | CHINA      
Disclosure of information about consolidated structured entities [line items]      
Description Of Entities Name Intelsat Asia (Hong Kong) Limited    
Country Of Incorporation CN    
Proportion Of Ownership Interest In Subsidiary And Associates 100.00%    
Name Of Consolidated Method Full    
Intelsat Inflight HK Limited [Member] | CHINA      
Disclosure of information about consolidated structured entities [line items]      
Description Of Entities Name Intelsat Inflight HK Limited    
Country Of Incorporation CN    
Proportion Of Ownership Interest In Subsidiary And Associates 100.00%    
Name Of Consolidated Method Full    
Intelsat Inflight (Shanghai) Limited [Member] | CHINA      
Disclosure of information about consolidated structured entities [line items]      
Description Of Entities Name Intelsat Inflight (Shanghai) Limited    
Country Of Incorporation CN    
Proportion Of Ownership Interest In Subsidiary And Associates 100.00%    
Name Of Consolidated Method Full    
SES Telecomunicacoes de Colombia SAS [Member] | COLOMBIA      
Disclosure of information about consolidated structured entities [line items]      
Description Of Entities Name SES Telecomunicações de Colombia S.A.S.    
Country Of Incorporation CO    
Proportion Of Ownership Interest In Subsidiary And Associates 100.00% 100.00% 100.00%
Name Of Consolidated Method Full Full Full
Intelsat Inflight Colombia S.A.S. [Member] | COLOMBIA      
Disclosure of information about consolidated structured entities [line items]      
Description Of Entities Name Intelsat Inflight Colombia S.A.S.    
Country Of Incorporation CO    
Proportion Of Ownership Interest In Subsidiary And Associates 100.00%    
Name Of Consolidated Method Full    
SES Germany GmbH [Member] | GERMANY      
Disclosure of information about consolidated structured entities [line items]      
Description Of Entities Name SES Germany GmbH    
Country Of Incorporation DE    
Proportion Of Ownership Interest In Subsidiary And Associates 100.00% 100.00% 100.00%
Name Of Consolidated Method Full Full Full
HD PLUS GmbH [Member] | GERMANY      
Disclosure of information about consolidated structured entities [line items]      
Description Of Entities Name HD PLUS GmbH    
Country Of Incorporation DE    
Proportion Of Ownership Interest In Subsidiary And Associates 100.00% 100.00% 100.00%
Name Of Consolidated Method Full Full Full
SES Media Solutions GmbH [Member] | GERMANY      
Disclosure of information about consolidated structured entities [line items]      
Description Of Entities Name SES Media Solutions GmbH    
Country Of Incorporation DE    
Proportion Of Ownership Interest In Subsidiary And Associates 100.00% 100.00% 100.00%
Name Of Consolidated Method Full Full Full
Intelsat Kommunikations GmbH [Member] | GERMANY      
Disclosure of information about consolidated structured entities [line items]      
Description Of Entities Name Intelsat Kommunikations GmbH    
Country Of Incorporation DE    
Proportion Of Ownership Interest In Subsidiary And Associates 100.00%    
Name Of Consolidated Method Full    
EuropStar Gesellschaft fr Satellitenkommunikation GmbH [Member] | GERMANY      
Disclosure of information about consolidated structured entities [line items]      
Description Of Entities Name Europ*Star Gesellschaft für Satellitenkommunikation GmbH    
Country Of Incorporation DE    
Proportion Of Ownership Interest In Subsidiary And Associates 51.00%    
Name Of Consolidated Method Full    
Intelsat Inflight Germany GmbH [Member] | GERMANY      
Disclosure of information about consolidated structured entities [line items]      
Description Of Entities Name Intelsat Inflight Germany GmbH    
Country Of Incorporation DE    
Proportion Of Ownership Interest In Subsidiary And Associates 100.00%    
Name Of Consolidated Method Full    
Intelsat Inflight Ecuador S.A.S. [Member] | ECUADOR      
Disclosure of information about consolidated structured entities [line items]      
Description Of Entities Name Intelsat Inflight Ecuador S.A.S.    
Country Of Incorporation EC    
Proportion Of Ownership Interest In Subsidiary And Associates 100.00%    
Name Of Consolidated Method Full    
SES Satélites Ibérica, S.L. [Member] | SPAIN      
Disclosure of information about consolidated structured entities [line items]      
Description Of Entities Name SES Satélites Ibérica, S.L.    
Country Of Incorporation ES    
Proportion Of Ownership Interest In Subsidiary And Associates 100.00% 100.00% 100.00%
Name Of Consolidated Method Full Full Full
ASTRA France S.A. [Member] | FRANCE      
Disclosure of information about consolidated structured entities [line items]      
Description Of Entities Name ASTRA France S.A.    
Country Of Incorporation FR    
Proportion Of Ownership Interest In Subsidiary And Associates 100.00% 100.00% 100.00%
Name Of Consolidated Method Full Full Full
Intelsat France S.A.S. [Member] | FRANCE      
Disclosure of information about consolidated structured entities [line items]      
Description Of Entities Name Intelsat France S.A.S.    
Country Of Incorporation FR    
Proportion Of Ownership Interest In Subsidiary And Associates 100.00%    
Name Of Consolidated Method Full    
Intelsat Inflight France S.A.S. [Member] | FRANCE      
Disclosure of information about consolidated structured entities [line items]      
Description Of Entities Name Intelsat Inflight France S.A.S.    
Country Of Incorporation FR    
Proportion Of Ownership Interest In Subsidiary And Associates 100.00%    
Name Of Consolidated Method Full    
Astra (GB) Limited [Member] | UNITED KINGDOM      
Disclosure of information about consolidated structured entities [line items]      
Description Of Entities Name Astra (GB) Limited    
Country Of Incorporation GB    
Proportion Of Ownership Interest In Subsidiary And Associates 100.00% 100.00% 100.00%
Name Of Consolidated Method Full Full Full
SES Defence UK Limited [Member] | UNITED KINGDOM      
Disclosure of information about consolidated structured entities [line items]      
Description Of Entities Name SES Defence UK Limited    
Country Of Incorporation GB    
Proportion Of Ownership Interest In Subsidiary And Associates 100.00% 100.00% 100.00%
Name Of Consolidated Method Full Full Full
Intelsat Global Sales and Marketing Limited [Member] | UNITED KINGDOM      
Disclosure of information about consolidated structured entities [line items]      
Description Of Entities Name Intelsat Global Sales and Marketing Limited    
Country Of Incorporation GB    
Proportion Of Ownership Interest In Subsidiary And Associates 100.00%    
Name Of Consolidated Method Full    
Intelsat UK Financial Services Limited [Member] | UNITED KINGDOM      
Disclosure of information about consolidated structured entities [line items]      
Description Of Entities Name Intelsat UK Financial Services Limited    
Country Of Incorporation GB    
Proportion Of Ownership Interest In Subsidiary And Associates 100.00%    
Name Of Consolidated Method Full    
PanAmSat Satellite Europe Limited | UNITED KINGDOM      
Disclosure of information about consolidated structured entities [line items]      
Description Of Entities Name PanAmSat Satellite Europe Limited    
Country Of Incorporation GB    
Proportion Of Ownership Interest In Subsidiary And Associates 100.00%    
Name Of Consolidated Method Full    
Intelsat Inflight UK Limited [Member] | UNITED KINGDOM      
Disclosure of information about consolidated structured entities [line items]      
Description Of Entities Name Intelsat Inflight UK Limited    
Country Of Incorporation GB    
Proportion Of Ownership Interest In Subsidiary And Associates 100.00%    
Name Of Consolidated Method Full    
SES HD Plus Ghana Limited [Member] | GHANA      
Disclosure of information about consolidated structured entities [line items]      
Description Of Entities Name SES HD Plus Ghana Limited    
Country Of Incorporation GH    
Proportion Of Ownership Interest In Subsidiary And Associates 100.00% 100.00% 100.00%
Name Of Consolidated Method Full Full Full
SES Satellites (Gibraltar) Limited [Member] | GIBRALTAR      
Disclosure of information about consolidated structured entities [line items]      
Description Of Entities Name SES Satellites (Gibraltar) Limited    
Country Of Incorporation GI    
Proportion Of Ownership Interest In Subsidiary And Associates 100.00% 100.00% 100.00%
Name Of Consolidated Method Full Full Full
Intelsat Subsidiary (Gibraltar) Limited [Member] | GIBRALTAR      
Disclosure of information about consolidated structured entities [line items]      
Description Of Entities Name Intelsat Subsidiary (Gibraltar) Limited    
Country Of Incorporation GI    
Proportion Of Ownership Interest In Subsidiary And Associates 100.00%    
Name Of Consolidated Method Full    
PT MX1 SmartCast Indonesia [Membre] | INDONESIA      
Disclosure of information about consolidated structured entities [line items]      
Description Of Entities Name PT MX1 SmartCast Indonesia    
Country Of Incorporation ID    
Proportion Of Ownership Interest In Subsidiary And Associates 100.00% 100.00% 100.00%
Name Of Consolidated Method Full Full Full
MX1 Limited | ISRAEL      
Disclosure of information about consolidated structured entities [line items]      
Description Of Entities Name MX1 Limited    
Country Of Incorporation IL    
Proportion Of Ownership Interest In Subsidiary And Associates 100.00% 100.00% 100.00%
Name Of Consolidated Method Full Full Full
Intelsat Israel Limited [Member] | ISRAEL      
Disclosure of information about consolidated structured entities [line items]      
Description Of Entities Name Intelsat Israel Limited    
Country Of Incorporation IL    
Proportion Of Ownership Interest In Subsidiary And Associates 100.00%    
Name Of Consolidated Method Full    
SES Satellites India Private Limited [Member] | INDIA      
Disclosure of information about consolidated structured entities [line items]      
Description Of Entities Name SES Satellites India Private Limited    
Country Of Incorporation IN    
Proportion Of Ownership Interest In Subsidiary And Associates 100.00% 100.00% 100.00%
Name Of Consolidated Method Full Full Full
Orbitconnect India Private Limited [Member] | INDIA      
Disclosure of information about consolidated structured entities [line items]      
Description Of Entities Name Orbitconnect India Private Limited    
Country Of Incorporation IN    
Proportion Of Ownership Interest In Subsidiary And Associates 100.00% 100.00% 100.00%
Name Of Consolidated Method Full Full Full
Jio Space Technology Limited [Member] | INDIA      
Disclosure of information about consolidated structured entities [line items]      
Description Of Entities Name Jio Space Technology Limited    
Country Of Incorporation IN    
Proportion Of Ownership Interest In Subsidiary And Associates 100.00% 100.00% 100.00%
Name Of Consolidated Method Full Full Full
SES Global technology Services India Private Limited [Member] | INDIA      
Disclosure of information about consolidated structured entities [line items]      
Description Of Entities Name SES Global Technology Services India Private Limited    
Country Of Incorporation IN    
Proportion Of Ownership Interest In Subsidiary And Associates 100.00% 100.00% 100.00%
Name Of Consolidated Method Full Full Full
Intelsat India Private Limited [Member] | INDIA      
Disclosure of information about consolidated structured entities [line items]      
Description Of Entities Name Intelsat India Private Limited    
Country Of Incorporation IN    
Proportion Of Ownership Interest In Subsidiary And Associates 100.00%    
Name Of Consolidated Method Full    
Intelsat Inflight India LLP [Member]      
Disclosure of information about consolidated structured entities [line items]      
Description Of Entities Name Intelsat Inflight India LLP    
Intelsat Inflight India LLP [Member] | INDIA      
Disclosure of information about consolidated structured entities [line items]      
Country Of Incorporation IN    
Proportion Of Ownership Interest In Subsidiary And Associates 100.00%    
Name Of Consolidated Method Full    
O3b Limited | JERSEY      
Disclosure of information about consolidated structured entities [line items]      
Description Of Entities Name O3b Limited    
Country Of Incorporation [1] JE    
Proportion Of Ownership Interest In Subsidiary And Associates [1] 0.00% 100.00% 100.00%
Name Of Consolidated Method [1] Full Full
Intelsat Inflight Godo-Kaisha [Member] | JAPAN      
Disclosure of information about consolidated structured entities [line items]      
Description Of Entities Name Intelsat Inflight Godo-Kaisha    
Country Of Incorporation JP    
Proportion Of Ownership Interest In Subsidiary And Associates 100.00%    
Name Of Consolidated Method Full    
Intelsat Satellite Communications Limited [Member] | KENYA      
Disclosure of information about consolidated structured entities [line items]      
Description Of Entities Name Intelsat Satellite Communications Limited    
Country Of Incorporation KE    
Proportion Of Ownership Interest In Subsidiary And Associates 100.00%    
Name Of Consolidated Method Full    
SES Eurasia Limited Liability Partnership [Member]      
Disclosure of information about consolidated structured entities [line items]      
Proportion Of Ownership Interest In Subsidiary And Associates     100.00%
Name Of Consolidated Method     Full
SES Eurasia Limited Liability Partnership [Member] | KAZAKHSTAN      
Disclosure of information about consolidated structured entities [line items]      
Description Of Entities Name SES Eurasia Limited Liability Partnership    
Country Of Incorporation KZ    
Proportion Of Ownership Interest In Subsidiary And Associates 100.00% 100.00%  
Name Of Consolidated Method Full Full  
SES Satellite Services SIA [Member]      
Disclosure of information about consolidated structured entities [line items]      
Proportion Of Ownership Interest In Subsidiary And Associates     100.00%
Name Of Consolidated Method     Full
SES Satellite Services SIA [Member] | LATVIA      
Disclosure of information about consolidated structured entities [line items]      
Description Of Entities Name SES Satellite Services SIA    
Country Of Incorporation LV    
Proportion Of Ownership Interest In Subsidiary And Associates 100.00% 100.00%  
Name Of Consolidated Method Full Full  
SES S.A. [Member]      
Disclosure of information about consolidated structured entities [line items]      
Proportion Of Ownership Interest In Subsidiary And Associates     100.00%
Name Of Consolidated Method     Full
SES S.A. [Member] | LUXEMBOURG      
Disclosure of information about consolidated structured entities [line items]      
Description Of Entities Name SES S.A.    
Country Of Incorporation LU    
Proportion Of Ownership Interest In Subsidiary And Associates 100.00% 100.00%  
Name Of Consolidated Method Full Full  
SES Astra S.A. [Member]      
Disclosure of information about consolidated structured entities [line items]      
Proportion Of Ownership Interest In Subsidiary And Associates     100.00%
Name Of Consolidated Method     Full
SES Astra S.A. [Member] | LUXEMBOURG      
Disclosure of information about consolidated structured entities [line items]      
Description Of Entities Name SES Astra S.A.    
Country Of Incorporation LU    
Proportion Of Ownership Interest In Subsidiary And Associates 100.00% 100.00%  
Name Of Consolidated Method Full Full  
SES ASTRA Services Europe S.à r.l. [Member]      
Disclosure of information about consolidated structured entities [line items]      
Proportion Of Ownership Interest In Subsidiary And Associates     100.00%
Name Of Consolidated Method     Full
SES ASTRA Services Europe S.à r.l. [Member] | LUXEMBOURG      
Disclosure of information about consolidated structured entities [line items]      
Description Of Entities Name SES ASTRA Services Europe S.à r.l.    
Country Of Incorporation LU    
Proportion Of Ownership Interest In Subsidiary And Associates 100.00% 100.00%  
Name Of Consolidated Method Full Full  
SES Asia S.à r.l. [Member]      
Disclosure of information about consolidated structured entities [line items]      
Country Of Incorporation [1] LU    
Proportion Of Ownership Interest In Subsidiary And Associates [1] 0.00% 100.00% 100.00%
Name Of Consolidated Method [1] Full Full
SES Asia S.à r.l. [Member] | LUXEMBOURG      
Disclosure of information about consolidated structured entities [line items]      
Description Of Entities Name SES Asia S.à r.l.    
SES Latin America S.A. [Member]      
Disclosure of information about consolidated structured entities [line items]      
Proportion Of Ownership Interest In Subsidiary And Associates     100.00%
Name Of Consolidated Method     Full
SES Latin America S.A. [Member] | LUXEMBOURG      
Disclosure of information about consolidated structured entities [line items]      
Description Of Entities Name SES Latin America S.A.    
Country Of Incorporation LU    
Proportion Of Ownership Interest In Subsidiary And Associates 100.00% 100.00%  
Name Of Consolidated Method Full Full  
SES Engineering (Luxembourg) S.à r.l. [Member]      
Disclosure of information about consolidated structured entities [line items]      
Proportion Of Ownership Interest In Subsidiary And Associates     100.00%
Name Of Consolidated Method     Full
SES Engineering (Luxembourg) S.à r.l. [Member] | LUXEMBOURG      
Disclosure of information about consolidated structured entities [line items]      
Description Of Entities Name SES Engineering (Luxembourg) S.à r.l.    
Country Of Incorporation LU    
Proportion Of Ownership Interest In Subsidiary And Associates 100.00% 100.00%  
Name Of Consolidated Method Full Full  
SES Insurance International (Luxembourg) S.A. [Member]      
Disclosure of information about consolidated structured entities [line items]      
Proportion Of Ownership Interest In Subsidiary And Associates     100.00%
Name Of Consolidated Method     Full
SES Insurance International (Luxembourg) S.A. [Member] | LUXEMBOURG      
Disclosure of information about consolidated structured entities [line items]      
Description Of Entities Name SES Insurance International (Luxembourg) S.A.    
Country Of Incorporation LU    
Proportion Of Ownership Interest In Subsidiary And Associates 100.00% 100.00%  
Name Of Consolidated Method Full Full  
SES Insurance International Re (Luxembourg) S.A. [Member]      
Disclosure of information about consolidated structured entities [line items]      
Proportion Of Ownership Interest In Subsidiary And Associates     100.00%
Name Of Consolidated Method     Full
SES Insurance International Re (Luxembourg) S.A. [Member] | LUXEMBOURG      
Disclosure of information about consolidated structured entities [line items]      
Description Of Entities Name SES Insurance International Re (Luxembourg) S.A.    
Country Of Incorporation LU    
Proportion Of Ownership Interest In Subsidiary And Associates 100.00% 100.00%  
Name Of Consolidated Method Full Full  
SES Networks Lux S.à r.l. [Member]      
Disclosure of information about consolidated structured entities [line items]      
Proportion Of Ownership Interest In Subsidiary And Associates     100.00%
Name Of Consolidated Method     Full
SES Networks Lux S.à r.l. [Member] | LUXEMBOURG      
Disclosure of information about consolidated structured entities [line items]      
Description Of Entities Name SES Networks Lux S.à r.l.    
Country Of Incorporation LU    
Proportion Of Ownership Interest In Subsidiary And Associates 100.00% 100.00%  
Name Of Consolidated Method Full Full  
LuxGovSat S.A. [Member]      
Disclosure of information about consolidated structured entities [line items]      
Proportion Of Ownership Interest In Subsidiary And Associates     50.00%
Name Of Consolidated Method     Full
LuxGovSat S.A. [Member] | LUXEMBOURG      
Disclosure of information about consolidated structured entities [line items]      
Description Of Entities Name LuxGovSat S.A.    
Country Of Incorporation LU    
Proportion Of Ownership Interest In Subsidiary And Associates 50.00% 50.00%  
Name Of Consolidated Method Full Full  
SES mPOWER S.à r.l. [Member]      
Disclosure of information about consolidated structured entities [line items]      
Proportion Of Ownership Interest In Subsidiary And Associates     100.00%
Name Of Consolidated Method     Full
SES mPOWER S.à r.l. [Member] | LUXEMBOURG      
Disclosure of information about consolidated structured entities [line items]      
Description Of Entities Name SES mPOWER S.à r.l.    
Country Of Incorporation LU    
Proportion Of Ownership Interest In Subsidiary And Associates 100.00% 100.00%  
Name Of Consolidated Method Full Full  
SES Networks Satellites S.à r.l. [Member]      
Disclosure of information about consolidated structured entities [line items]      
Proportion Of Ownership Interest In Subsidiary And Associates     100.00%
Name Of Consolidated Method     Full
SES Networks Satellites S.à r.l. [Member] | LUXEMBOURG      
Disclosure of information about consolidated structured entities [line items]      
Description Of Entities Name SES Networks Satellites S.à r.l.    
Country Of Incorporation LU    
Proportion Of Ownership Interest In Subsidiary And Associates 100.00% 100.00%  
Name Of Consolidated Method Full Full  
SES LU Satellite Holdings S.à r.l. [Member]      
Disclosure of information about consolidated structured entities [line items]      
Proportion Of Ownership Interest In Subsidiary And Associates     100.00%
Name Of Consolidated Method     Full
SES LU Satellite Holdings S.à r.l. [Member] | LUXEMBOURG      
Disclosure of information about consolidated structured entities [line items]      
Description Of Entities Name SES LU Satellite Holdings S.à r.l.    
Country Of Incorporation LU    
Proportion Of Ownership Interest In Subsidiary And Associates 100.00% 100.00%  
Name Of Consolidated Method Full Full  
Luxembourg Space Sector Dev. General Partner S.à r.l [Member] | LUXEMBOURG      
Disclosure of information about consolidated structured entities [line items]      
Description Of Entities Name Luxembourg Space Sector Dev. General Partner S.à r.l    
Country Of Incorporation LU    
Proportion Of Ownership Interest In Subsidiary And Associates 100.00% 100.00% 100.00%
Name Of Consolidated Method Full Full Full
Luxembourg Space Sector Development SCSp [Member]      
Disclosure of information about consolidated structured entities [line items]      
Proportion Of Ownership Interest In Subsidiary And Associates     100.00%
Name Of Consolidated Method     Full
Luxembourg Space Sector Development SCSp [Member] | LUXEMBOURG      
Disclosure of information about consolidated structured entities [line items]      
Description Of Entities Name Luxembourg Space Sector Development SCSp    
Country Of Incorporation LU    
Proportion Of Ownership Interest In Subsidiary And Associates 100.00% 100.00%  
Name Of Consolidated Method Full Full  
SES LU US Holdings S.à r.l. [Member]      
Disclosure of information about consolidated structured entities [line items]      
Proportion Of Ownership Interest In Subsidiary And Associates     100.00%
Name Of Consolidated Method     Full
SES LU US Holdings S.à r.l. [Member] | LUXEMBOURG      
Disclosure of information about consolidated structured entities [line items]      
Description Of Entities Name SES LU US Holdings S.à r.l.    
Country Of Incorporation LU    
Proportion Of Ownership Interest In Subsidiary And Associates 100.00% 100.00%  
Name Of Consolidated Method Full Full  
SES Astra 1P S.à r.l. [Membe]      
Disclosure of information about consolidated structured entities [line items]      
Proportion Of Ownership Interest In Subsidiary And Associates     100.00%
Name Of Consolidated Method     Full
SES Astra 1P S.à r.l. [Membe] | LUXEMBOURG      
Disclosure of information about consolidated structured entities [line items]      
Description Of Entities Name SES Astra 1P S.à r.l.    
Country Of Incorporation LU    
Proportion Of Ownership Interest In Subsidiary And Associates 100.00% 100.00%  
Name Of Consolidated Method Full Full  
SES Satellites Ventures S.à r.l. [Member]      
Disclosure of information about consolidated structured entities [line items]      
Proportion Of Ownership Interest In Subsidiary And Associates     100.00%
Name Of Consolidated Method     Full
SES Satellites Ventures S.à r.l. [Member] | LUXEMBOURG      
Disclosure of information about consolidated structured entities [line items]      
Description Of Entities Name SES Satellites Ventures S.à r.l.    
Country Of Incorporation LU    
Proportion Of Ownership Interest In Subsidiary And Associates 100.00% 100.00%  
Name Of Consolidated Method Full Full  
Intelsat Holdings S.à r.l. [Member] | LUXEMBOURG      
Disclosure of information about consolidated structured entities [line items]      
Description Of Entities Name Intelsat Holdings S.à r.l.    
Country Of Incorporation LU    
Proportion Of Ownership Interest In Subsidiary And Associates 100.00%    
Name Of Consolidated Method Full    
Intelsat Jackson Holdings S.A. [Member} | LUXEMBOURG      
Disclosure of information about consolidated structured entities [line items]      
Description Of Entities Name Intelsat Jackson Holdings S.A.    
Country Of Incorporation LU    
Proportion Of Ownership Interest In Subsidiary And Associates 100.00%    
Name Of Consolidated Method Full    
Intelsat Align S.à r.l. [Member] | LUXEMBOURG      
Disclosure of information about consolidated structured entities [line items]      
Description Of Entities Name Intelsat Align S.à r.l.    
Country Of Incorporation LU    
Proportion Of Ownership Interest In Subsidiary And Associates 100.00%    
Name Of Consolidated Method Full    
Intelsat Ventures S.à r.l. [Member] | LUXEMBOURG      
Disclosure of information about consolidated structured entities [line items]      
Description Of Entities Name Intelsat Ventures S.à r.l.    
Country Of Incorporation LU    
Proportion Of Ownership Interest In Subsidiary And Associates 100.00%    
Name Of Consolidated Method Full    
Quetzsat Directo, S. de R.L. de CV [Member]      
Disclosure of information about consolidated structured entities [line items]      
Proportion Of Ownership Interest In Subsidiary And Associates     100.00%
Name Of Consolidated Method     Full
Quetzsat Directo, S. de R.L. de CV [Member] | MEXICO      
Disclosure of information about consolidated structured entities [line items]      
Description Of Entities Name Quetzsat Directo, S. de R.L. de CV    
Country Of Incorporation MX    
Proportion Of Ownership Interest In Subsidiary And Associates 100.00% 100.00%  
Name Of Consolidated Method Full Full  
Satelites Globales S. de R.L. de C.V. [Member]      
Disclosure of information about consolidated structured entities [line items]      
Proportion Of Ownership Interest In Subsidiary And Associates     100.00%
Name Of Consolidated Method     Full
Satelites Globales S. de R.L. de C.V. [Member] | MEXICO      
Disclosure of information about consolidated structured entities [line items]      
Description Of Entities Name Satelites Globales S. de R.L. de C.V.    
Country Of Incorporation MX    
Proportion Of Ownership Interest In Subsidiary And Associates 100.00% 100.00%  
Name Of Consolidated Method Full Full  
Quetzsat, S. de R.L. de C.V. [Member]      
Disclosure of information about consolidated structured entities [line items]      
Proportion Of Ownership Interest In Subsidiary And Associates     100.00%
Name Of Consolidated Method     Full
Quetzsat, S. de R.L. de C.V. [Member] | MEXICO      
Disclosure of information about consolidated structured entities [line items]      
Description Of Entities Name Quetzsat, S. de R.L. de C.V.    
Country Of Incorporation MX    
Proportion Of Ownership Interest In Subsidiary And Associates 100.00% 100.00%  
Name Of Consolidated Method Full Full  
SES Mexico S. de R.L. de C.V. [Member]      
Disclosure of information about consolidated structured entities [line items]      
Proportion Of Ownership Interest In Subsidiary And Associates     100.00%
Name Of Consolidated Method     Full
SES Mexico S. de R.L. de C.V. [Member] | MEXICO      
Disclosure of information about consolidated structured entities [line items]      
Description Of Entities Name SES Mexico S. de R.L. de C.V.    
Country Of Incorporation MX    
Proportion Of Ownership Interest In Subsidiary And Associates 100.00% 100.00%  
Name Of Consolidated Method Full Full  
PanAmSat de Mexico S de RL de C.V. [Member] | MEXICO      
Disclosure of information about consolidated structured entities [line items]      
Description Of Entities Name PanAmSat de Mexico S de RL de C.V.    
Country Of Incorporation MX    
Proportion Of Ownership Interest In Subsidiary And Associates 100.00%    
Name Of Consolidated Method Full    
New Skies Satellites Australia Pty Ltd [Member]      
Disclosure of information about consolidated structured entities [line items]      
Country Of Incorporation MX    
Proportion Of Ownership Interest In Subsidiary And Associates 100.00%    
Name Of Consolidated Method Full    
New Skies Satellites Australia Pty Ltd [Member] | MEXICO      
Disclosure of information about consolidated structured entities [line items]      
Description Of Entities Name WP COM S de RL de CV    
SES Services Romania S.R.L. [Member] | ROMANIA      
Disclosure of information about consolidated structured entities [line items]      
Description Of Entities Name SES Services Romania S.R.L.    
Country Of Incorporation RO    
Proportion Of Ownership Interest In Subsidiary And Associates 100.00% 100.00%  
Name Of Consolidated Method Full Full  
SES Space and Defense, Inc. [Member] | UNITED STATES      
Disclosure of information about consolidated structured entities [line items]      
Description Of Entities Name SES Space and Defense, Inc.    
Country Of Incorporation US    
Proportion Of Ownership Interest In Subsidiary And Associates 100.00% 100.00%  
Name Of Consolidated Method Full Full  
Intelsat International Systems LLC [Member] | UNITED STATES      
Disclosure of information about consolidated structured entities [line items]      
Description Of Entities Name Intelsat International Systems LLC    
Country Of Incorporation US    
Proportion Of Ownership Interest In Subsidiary And Associates 100.00%    
Name Of Consolidated Method Full    
Intelsat Aviation HoldCo LLC [Member] | UNITED STATES      
Disclosure of information about consolidated structured entities [line items]      
Description Of Entities Name Intelsat Aviation HoldCo LLC    
Country Of Incorporation US    
Proportion Of Ownership Interest In Subsidiary And Associates 100.00%    
Name Of Consolidated Method Full    
Intelsat Aviation AcquisitionCo LLC [Member] | UNITED STATES      
Disclosure of information about consolidated structured entities [line items]      
Description Of Entities Name Intelsat Aviation AcquisitionCo LLC    
Country Of Incorporation US    
Proportion Of Ownership Interest In Subsidiary And Associates 100.00%    
Name Of Consolidated Method Full    
Intelsat Alliance LP [Member] | UNITED STATES      
Disclosure of information about consolidated structured entities [line items]      
Description Of Entities Name Intelsat Alliance LP    
Country Of Incorporation US    
Proportion Of Ownership Interest In Subsidiary And Associates 100.00%    
Name Of Consolidated Method Full    
Horizons Satellite Holdings LLC [Member] | UNITED STATES      
Disclosure of information about consolidated structured entities [line items]      
Description Of Entities Name Horizons Satellite Holdings LLC    
Country Of Incorporation US    
Proportion Of Ownership Interest In Subsidiary And Associates 100.00%    
Name Of Consolidated Method Full    
Horizons-1 Satellite LLC [Member] | UNITED STATES      
Disclosure of information about consolidated structured entities [line items]      
Description Of Entities Name Horizons-1 Satellite LLC    
Country Of Incorporation US    
Proportion Of Ownership Interest In Subsidiary And Associates 100.00%    
Name Of Consolidated Method Full    
Horizons-2 Satellite LLC [Member] | UNITED STATES      
Disclosure of information about consolidated structured entities [line items]      
Description Of Entities Name Horizons-2 Satellite LLC    
Country Of Incorporation US    
Proportion Of Ownership Interest In Subsidiary And Associates 100.00%    
Name Of Consolidated Method Full    
Intelsat Horizons3 LLC [Member] | UNITED STATES      
Disclosure of information about consolidated structured entities [line items]      
Description Of Entities Name Intelsat Horizons-3 LLC    
Country Of Incorporation US    
Proportion Of Ownership Interest In Subsidiary And Associates 100.00%    
Name Of Consolidated Method Full    
Horizons-3 License LLC [Member] | UNITED STATES      
Disclosure of information about consolidated structured entities [line items]      
Description Of Entities Name Horizons-3 License LLC    
Country Of Incorporation US    
Proportion Of Ownership Interest In Subsidiary And Associates 100.00%    
Name Of Consolidated Method Full    
Intelsat Inflight LLC [Member] | UNITED STATES      
Disclosure of information about consolidated structured entities [line items]      
Description Of Entities Name Intelsat Inflight LLC    
Country Of Incorporation US    
Proportion Of Ownership Interest In Subsidiary And Associates 100.00%    
Name Of Consolidated Method Full    
Intelsat Inflight Licenses LLC [Member] | UNITED STATES      
Disclosure of information about consolidated structured entities [line items]      
Description Of Entities Name Intelsat Inflight Licenses LLC    
Country Of Incorporation US    
Proportion Of Ownership Interest In Subsidiary And Associates 100.00%    
Name Of Consolidated Method Full    
Intelsat Inflight International Holdings LLC [Member] | UNITED STATES      
Disclosure of information about consolidated structured entities [line items]      
Description Of Entities Name Intelsat Inflight International Holdings LLC    
Country Of Incorporation US    
Proportion Of Ownership Interest In Subsidiary And Associates 100.00%    
Name Of Consolidated Method Full    
Intelsat Asia Carrier Services, LLC [Member] | UNITED STATES      
Disclosure of information about consolidated structured entities [line items]      
Description Of Entities Name Intelsat Asia Carrier Services LLC    
Country Of Incorporation US    
Proportion Of Ownership Interest In Subsidiary And Associates 100.00%    
Name Of Consolidated Method Full    
Intelsat License Holdings LLC [Member] | UNITED STATES      
Disclosure of information about consolidated structured entities [line items]      
Description Of Entities Name Intelsat License Holdings LLC    
Country Of Incorporation US    
Proportion Of Ownership Interest In Subsidiary And Associates 100.00%    
Name Of Consolidated Method Full    
PanAmSat India LLC [Member] | UNITED STATES      
Disclosure of information about consolidated structured entities [line items]      
Description Of Entities Name PanAmSat India LLC    
Country Of Incorporation US    
Proportion Of Ownership Interest In Subsidiary And Associates 100.00%    
Name Of Consolidated Method Full    
PanAmSat India Marketing, L.L.C. [Member] | UNITED STATES      
Disclosure of information about consolidated structured entities [line items]      
Description Of Entities Name PanAmSat India Marketing LLC    
Country Of Incorporation US    
Proportion Of Ownership Interest In Subsidiary And Associates 100.00%    
Name Of Consolidated Method Full    
SES Astra Africa Proprietary Limited [Member]      
Disclosure of information about consolidated structured entities [line items]      
Proportion Of Ownership Interest In Subsidiary And Associates     100.00%
Name Of Consolidated Method     Full
SES Astra Africa Proprietary Limited [Member] | SOUTH AFRICA      
Disclosure of information about consolidated structured entities [line items]      
Description Of Entities Name SES Astra Africa (Proprietary) Limited    
Country Of Incorporation ZA    
Proportion Of Ownership Interest In Subsidiary And Associates 100.00% 100.00%  
Name Of Consolidated Method Full Full  
Intelsat Africa (Proprietary) Limited [Member] | SOUTH AFRICA      
Disclosure of information about consolidated structured entities [line items]      
Description Of Entities Name Intelsat Africa (Proprietary) Limited    
Country Of Incorporation ZA    
Proportion Of Ownership Interest In Subsidiary And Associates 100.00%    
Name Of Consolidated Method Full    
Intelsat Inflight Mexico, S. de R.L. de C.V. [Member] | MEXICO      
Disclosure of information about consolidated structured entities [line items]      
Description Of Entities Name Intelsat Inflight Mexico, S. de R.L. de C.V.    
Country Of Incorporation MX    
Proportion Of Ownership Interest In Subsidiary And Associates 100.00%    
Name Of Consolidated Method Full    
Intelsat Peru S A C [Member] | PERU      
Disclosure of information about consolidated structured entities [line items]      
Country Of Incorporation PE    
Proportion Of Ownership Interest In Subsidiary And Associates 100.00%    
Name Of Consolidated Method Full    
SES Satellites Nigeria Ltd [Member] | NIGERIA      
Disclosure of information about consolidated structured entities [line items]      
Description Of Entities Name SES Satellites Nigeria Ltd.    
Country Of Incorporation NG    
Proportion Of Ownership Interest In Subsidiary And Associates 100.00% 100.00% 100.00%
Name Of Consolidated Method Full Full Full
SES Holdings Netherlands BV [Member] | NETHERLANDS      
Disclosure of information about consolidated structured entities [line items]      
Description Of Entities Name SES Holdings (Netherlands) BV    
Country Of Incorporation NL    
Proportion Of Ownership Interest In Subsidiary And Associates 100.00% 100.00% 100.00%
Name Of Consolidated Method Full Full Full
SES Engineering (Netherlands) BV [Member] | NETHERLANDS      
Disclosure of information about consolidated structured entities [line items]      
Description Of Entities Name SES Engineering (Netherlands) BV    
Country Of Incorporation NL    
Proportion Of Ownership Interest In Subsidiary And Associates 100.00% 100.00% 100.00%
Name Of Consolidated Method Full Full Full
New Skies Satellites BV [Member] | NETHERLANDS      
Disclosure of information about consolidated structured entities [line items]      
Description Of Entities Name New Skies Satellites BV    
Country Of Incorporation NL    
Proportion Of Ownership Interest In Subsidiary And Associates 100.00% 100.00% 100.00%
Name Of Consolidated Method Full Full Full
New Skies Satellites Mar BV [Member] | NETHERLANDS      
Disclosure of information about consolidated structured entities [line items]      
Description Of Entities Name New Skies Satellites Mar BV    
Country Of Incorporation NL    
Proportion Of Ownership Interest In Subsidiary And Associates 100.00% 100.00% 100.00%
Name Of Consolidated Method Full Full Full
New Skies Satellites Argentina BV [Member] | NETHERLANDS      
Disclosure of information about consolidated structured entities [line items]      
Description Of Entities Name New Skies Satellites Argentina BV    
Country Of Incorporation NL    
Proportion Of Ownership Interest In Subsidiary And Associates 100.00% 100.00% 100.00%
Name Of Consolidated Method Full Full Full
New Skies Satellites Licensee BV [Member] | NETHERLANDS      
Disclosure of information about consolidated structured entities [line items]      
Description Of Entities Name New Skies Satellites Licensee BV    
Country Of Incorporation NL    
Proportion Of Ownership Interest In Subsidiary And Associates 100.00% 100.00% 100.00%
Name Of Consolidated Method Full Full Full
SES New Skies Marketing BV [Member] | NETHERLANDS      
Disclosure of information about consolidated structured entities [line items]      
Description Of Entities Name SES New Skies Marketing BV    
Country Of Incorporation NL    
Proportion Of Ownership Interest In Subsidiary And Associates 100.00% 100.00% 100.00%
Name Of Consolidated Method Full Full Full
Intelsat Inflight Netherlands BV [Member] | NETHERLANDS      
Disclosure of information about consolidated structured entities [line items]      
Description Of Entities Name Intelsat Inflight Netherlands BV    
Country Of Incorporation NL    
Proportion Of Ownership Interest In Subsidiary And Associates 100.00%    
Name Of Consolidated Method Full    
SES Satelites Panama S. de R. L. [Member] | PANAMA      
Disclosure of information about consolidated structured entities [line items]      
Description Of Entities Name SES Satelites Panama S. de R. L.    
Country Of Incorporation [2] PA    
Proportion Of Ownership Interest In Subsidiary And Associates [2] 100.00% 0.00% 0.00%
Name Of Consolidated Method [2] Full — 
O3b Teleport Services Peru S.A.C. [Member] | PERU      
Disclosure of information about consolidated structured entities [line items]      
Description Of Entities Name O3b Teleport Services (Peru) S.A.C.    
Country Of Incorporation PE    
Proportion Of Ownership Interest In Subsidiary And Associates 100.00% 100.00% 100.00%
Name Of Consolidated Method Full Full Full
O3b Teleport Services (Peru) S.A.C. [Member] | PORTUGAL      
Disclosure of information about consolidated structured entities [line items]      
Description Of Entities Name O3b Services (Portugal) Ltda.    
Country Of Incorporation PO    
Proportion Of Ownership Interest In Subsidiary And Associates 100.00% 100.00% 100.00%
Name Of Consolidated Method Full Full Full
SES Astra AB [Member] | SWEDEN      
Disclosure of information about consolidated structured entities [line items]      
Description Of Entities Name SES Astra AB    
Country Of Incorporation SE    
Proportion Of Ownership Interest In Subsidiary And Associates 100.00% 100.00% 100.00%
Name Of Consolidated Method Full Full Full
SES World Skies Singapore Pte Limited [Member] | SINGAPORE      
Disclosure of information about consolidated structured entities [line items]      
Description Of Entities Name SES World Skies Singapore Pte Limited    
Country Of Incorporation SG    
Proportion Of Ownership Interest In Subsidiary And Associates 100.00% 100.00% 100.00%
Name Of Consolidated Method Full Full Full
Intelsat Singapore Pte Limited [Member] | SINGAPORE      
Disclosure of information about consolidated structured entities [line items]      
Description Of Entities Name Intelsat Singapore Pte. Limited    
Country Of Incorporation SG    
Proportion Of Ownership Interest In Subsidiary And Associates 100.00%    
Name Of Consolidated Method Full    
Intelsat Inflight SG Pte Limited [Member] | SINGAPORE      
Disclosure of information about consolidated structured entities [line items]      
Description Of Entities Name Intelsat Inflight SG Pte. Limited    
Country Of Incorporation SG    
Proportion Of Ownership Interest In Subsidiary And Associates 100.00%    
Name Of Consolidated Method Full    
Intelsat Senegal Sarl [Member] | SENEGAL      
Disclosure of information about consolidated structured entities [line items]      
Description Of Entities Name Intelsat Senegal Sarl    
Country Of Incorporation SN    
Proportion Of Ownership Interest In Subsidiary And Associates 100.00%    
Name Of Consolidated Method Full    
SES Sirius Ukrainia [Member] | UKRAINE      
Disclosure of information about consolidated structured entities [line items]      
Description Of Entities Name SES Sirius Ukrainia    
Country Of Incorporation UA    
Proportion Of Ownership Interest In Subsidiary And Associates 100.00% 100.00% 100.00%
Name Of Consolidated Method Full Full Full
SES 5G Customer Services LLC [Member] | UNITED STATES      
Disclosure of information about consolidated structured entities [line items]      
Description Of Entities Name SES 5G Customer Services, LLC    
Country Of Incorporation [3] US    
Proportion Of Ownership Interest In Subsidiary And Associates [3] 100.00% 100.00% 100.00%
Name Of Consolidated Method [3] Full Full Full
SES US Satellite Holdings LLC [Member] | UNITED STATES      
Disclosure of information about consolidated structured entities [line items]      
Description Of Entities Name SES US Satellite Holdings, LLC    
Country Of Incorporation [3] US    
Proportion Of Ownership Interest In Subsidiary And Associates [3] 100.00% 100.00% 100.00%
Name Of Consolidated Method [3] Full Full Full
SES Americom Inc. [Member] | UNITED STATES      
Disclosure of information about consolidated structured entities [line items]      
Description Of Entities Name SES Americom Inc.    
Country Of Incorporation US    
Proportion Of Ownership Interest In Subsidiary And Associates 100.00% 100.00% 100.00%
Name Of Consolidated Method Full Full Full
SES Satellites International [Member] | UNITED STATES      
Disclosure of information about consolidated structured entities [line items]      
Description Of Entities Name SES Satellites International1    
Country Of Incorporation US    
Proportion Of Ownership Interest In Subsidiary And Associates 100.00% 100.00% 100.00%
Name Of Consolidated Method Full Full Full
SES Americom (Asia 1A) LLC [Member] | UNITED STATES      
Disclosure of information about consolidated structured entities [line items]      
Description Of Entities Name SES Americom (Asia 1A) LLC1    
Country Of Incorporation US    
Proportion Of Ownership Interest In Subsidiary And Associates 100.00% 100.00% 100.00%
Name Of Consolidated Method Full Full Full
Americom Asia Pacific LLC [Member] | UNITED STATES      
Disclosure of information about consolidated structured entities [line items]      
Description Of Entities Name Americom Asia Pacific LLC    
Country Of Incorporation US    
Proportion Of Ownership Interest In Subsidiary And Associates 100.00% 100.00% 100.00%
Name Of Consolidated Method Full Full Full
O3b Networks USA LLC [Member] | UNITED STATES      
Disclosure of information about consolidated structured entities [line items]      
Description Of Entities Name O3b Networks USA LLC    
Country Of Incorporation US    
Proportion Of Ownership Interest In Subsidiary And Associates 100.00% 100.00% 100.00%
Name Of Consolidated Method Full Full Full
Global Enterprise Solutions, Inc. | UNITED STATES      
Disclosure of information about consolidated structured entities [line items]      
Description Of Entities Name Global Enterprise Solutions, Inc.    
Country Of Incorporation US    
Proportion Of Ownership Interest In Subsidiary And Associates 100.00% 100.00% 100.00%
Name Of Consolidated Method Full Full Full
SES SD Mission Partners, Inc. [Member] | UNITED STATES      
Disclosure of information about consolidated structured entities [line items]      
Description Of Entities Name SES SD Mission Partners, Inc.    
Country Of Incorporation US    
Proportion Of Ownership Interest In Subsidiary And Associates 100.00% 100.00% 100.00%
Name Of Consolidated Method Full Full Full
Intelsat Holdings LLC [Member] | UNITED STATES      
Disclosure of information about consolidated structured entities [line items]      
Description Of Entities Name Intelsat Holdings LLC    
Country Of Incorporation US    
Proportion Of Ownership Interest In Subsidiary And Associates 100.00%    
Name Of Consolidated Method Full    
Intelsat Satellite LLC [Member] | UNITED STATES      
Disclosure of information about consolidated structured entities [line items]      
Description Of Entities Name Intelsat Satellite LLC    
Country Of Incorporation US    
Proportion Of Ownership Interest In Subsidiary And Associates 100.00%    
Name Of Consolidated Method Full    
Intelsat License LLC [Member] | UNITED STATES      
Disclosure of information about consolidated structured entities [line items]      
Description Of Entities Name Intelsat License LLC    
Country Of Incorporation US    
Proportion Of Ownership Interest In Subsidiary And Associates 100.00%    
Name Of Consolidated Method Full    
Intelsat Invoice Services LLC [Member] | UNITED STATES      
Disclosure of information about consolidated structured entities [line items]      
Description Of Entities Name Intelsat Invoice Services LLC    
Country Of Incorporation US    
Proportion Of Ownership Interest In Subsidiary And Associates 100.00%    
Name Of Consolidated Method Full    
Intelsat US LLC [Member] | UNITED STATES      
Disclosure of information about consolidated structured entities [line items]      
Description Of Entities Name Intelsat US LLC    
Country Of Incorporation US    
Proportion Of Ownership Interest In Subsidiary And Associates 100.00%    
Name Of Consolidated Method Full    
Intelsat General Communications LLC [Member] | UNITED STATES      
Disclosure of information about consolidated structured entities [line items]      
Description Of Entities Name Intelsat General Communications LLC    
Country Of Incorporation US    
Proportion Of Ownership Interest In Subsidiary And Associates 100.00%    
Name Of Consolidated Method Full    
Horizons-3 Satellite LLC [Member] | UNITED STATES      
Disclosure of information about consolidated structured entities [line items]      
Description Of Entities Name Horizons-3 Satellite LLC    
Country Of Incorporation US    
Proportion Of Ownership Interest In Subsidiary And Associates 50.00%    
Name Of Consolidated Method Equity    
Horizons-4 Satellite LLC [Member] | UNITED STATES      
Disclosure of information about consolidated structured entities [line items]      
Description Of Entities Name Horizons-4 Satellite LLC    
Country Of Incorporation US    
Proportion Of Ownership Interest In Subsidiary And Associates 50.00%    
Name Of Consolidated Method Equity    
Mountainside Teleport LLC [Member] | UNITED STATES      
Disclosure of information about consolidated structured entities [line items]      
Description Of Entities Name Mountainside Teleport LLC    
Country Of Incorporation US    
Proportion Of Ownership Interest In Subsidiary And Associates 100.00%    
Name Of Consolidated Method Full    
Intelsat Clearinghouse LLC [Member] | UNITED STATES      
Disclosure of information about consolidated structured entities [line items]      
Description Of Entities Name Intelsat Clearinghouse LLC    
Country Of Incorporation US    
Proportion Of Ownership Interest In Subsidiary And Associates 100.00%    
Name Of Consolidated Method Full    
Intelsat US 2 LLC [Member] | UNITED STATES      
Disclosure of information about consolidated structured entities [line items]      
Description Of Entities Name Intelsat US 2 LLC    
Country Of Incorporation US    
Proportion Of Ownership Interest In Subsidiary And Associates 100.00%    
Name Of Consolidated Method Full    
Intelsat International Employment LLC [Member] | UNITED STATES      
Disclosure of information about consolidated structured entities [line items]      
Description Of Entities Name Intelsat International Employment LLC    
Country Of Incorporation US    
Proportion Of Ownership Interest In Subsidiary And Associates 100.00%    
Name Of Consolidated Method Full    
PanAmSat Europe Corporation [Member] | UNITED STATES      
Disclosure of information about consolidated structured entities [line items]      
Description Of Entities Name PanAmSat Europe Corporation    
Country Of Incorporation US    
Proportion Of Ownership Interest In Subsidiary And Associates 100.00%    
Name Of Consolidated Method Full    
Intelsat Service and Equipment LLC [Member] | UNITED STATES      
Disclosure of information about consolidated structured entities [line items]      
Description Of Entities Name Intelsat Service and Equipment LLC    
Country Of Incorporation US    
Proportion Of Ownership Interest In Subsidiary And Associates 100.00%    
Name Of Consolidated Method Full    
Southern Satellite LLC [Member] | UNITED STATES      
Disclosure of information about consolidated structured entities [line items]      
Description Of Entities Name Southern Satellite LLC    
Country Of Incorporation US    
Proportion Of Ownership Interest In Subsidiary And Associates 100.00%    
Name Of Consolidated Method Full    
Southern Satellite Licensee LLC [Member] | UNITED STATES      
Disclosure of information about consolidated structured entities [line items]      
Description Of Entities Name Southern Satellite Licensee LLC    
Country Of Incorporation US    
Proportion Of Ownership Interest In Subsidiary And Associates 100.00%    
Name Of Consolidated Method Full    
PanAmSat International Sales, LLC [Member] | UNITED STATES      
Disclosure of information about consolidated structured entities [line items]      
Description Of Entities Name PanAmSat International Sales LLC    
Country Of Incorporation US    
Proportion Of Ownership Interest In Subsidiary And Associates 100.00%    
Name Of Consolidated Method Full    
PanAmSat International Holdings LLC [Member] | UNITED STATES      
Disclosure of information about consolidated structured entities [line items]      
Description Of Entities Name PanAmSat International Holdings LLC    
Country Of Incorporation US    
Proportion Of Ownership Interest In Subsidiary And Associates 100.00%    
Name Of Consolidated Method Full    
Intelsat Genesis GP LLC [Member] | UNITED STATES      
Disclosure of information about consolidated structured entities [line items]      
Description Of Entities Name Intelsat Genesis GP LLC    
Country Of Incorporation US    
Proportion Of Ownership Interest In Subsidiary And Associates 100.00%    
Name Of Consolidated Method Full    
Intelsat Genesis Inc [Member] | UNITED STATES      
Disclosure of information about consolidated structured entities [line items]      
Description Of Entities Name Intelsat Genesis Inc.    
Country Of Incorporation US    
Proportion Of Ownership Interest In Subsidiary And Associates 100.00%    
Name Of Consolidated Method Full    
Intelsat US Finance LLC [Member] | UNITED STATES      
Disclosure of information about consolidated structured entities [line items]      
Description Of Entities Name Intelsat US Finance LLC    
Country Of Incorporation US    
Proportion Of Ownership Interest In Subsidiary And Associates 100.00%    
Name Of Consolidated Method Full    
Intelsat Aviation TopCo LLC [Member] | UNITED STATES      
Disclosure of information about consolidated structured entities [line items]      
Description Of Entities Name Intelsat Aviation TopCo LLC    
Country Of Incorporation US    
Proportion Of Ownership Interest In Subsidiary And Associates 100.00%    
Name Of Consolidated Method Full    
PanAmSat Sistemas de Com DTH do Brasil Ltda [Member] | BRAZIL      
Disclosure of information about consolidated structured entities [line items]      
Country Of Incorporation BR    
Proportion Of Ownership Interest In Subsidiary And Associates 100.00%    
Name Of Consolidated Method Full    
[1] Entity sold, merged, or liquidated in 2025.
[2] SES Eurasia LLP was incorporated on 6 January 2025.
[3] Entity sold, merged or liquidated after the reporting date.