v3.26.1
Cash and Cash Equivalents - Additional Information (Detail)
€ in Millions, $ in Billions
Dec. 31, 2025
EUR (€)
Jul. 17, 2025
EUR (€)
Jul. 17, 2025
USD ($)
Mar. 05, 2025
EUR (€)
Dec. 31, 2024
EUR (€)
Cash and cash equivalent [Line Items]          
Cash and cash equivalents subject to contractual restrictions € 401       € 300
Contingent consideration recognised as of acquisition date       € 19  
Intelsat Holdings S.à r.l. [Member]          
Cash and cash equivalent [Line Items]          
Contingent consideration recognised as of acquisition date   € 2,200 $ 2.6