v3.26.1
Financial Risk Management Objectives and Policies - Additional Information (Detail)
€ in Millions, $ in Millions
12 Months Ended
Jul. 31, 2025
USD ($)
Jul. 27, 2025
Jun. 27, 2025
EUR (€)
Dec. 31, 2025
EUR (€)
Dec. 31, 2024
EUR (€)
Dec. 31, 2023
EUR (€)
Jun. 27, 2025
USD ($)
Dec. 31, 2022
EUR (€)
Financial Risk Management Objectives And Policies [Line Items]                
Percentage of total value of forward contracts       100.00%        
Revenue       € 2,627 € 2,001 € 2,030    
Percentage of Entity's Revenue       10.00% 10.00%      
Cash and cash equivalents       € 1,075 € 3,521 € 2,907   € 1,047
Designated as hedge of the net investment       22 11      
Net of tax       € 8 4      
Percentage of change in exchange rate       20.00%        
Provision respect of unbilled accrued revenue       € 64 € 34      
Percentage of unbilled accrued revenue expected credit loss       21.00% 12.00%      
Increase in provision for trade and other receivables       € 19 € 1      
Provision for trade receivables       70 80      
Net debt [1]       5,865 1,050      
Contingent Value Rights       749        
Intelsat Jackson Holdings S.A. [Member}                
Financial Risk Management Objectives And Policies [Line Items]                
Designated as hedge of the net investment | $ $ 550              
Fair value hedges [member]                
Financial Risk Management Objectives And Policies [Line Items]                
Hedge ratio   1.01            
Percentage of hedge ratio     100.00%          
Cash and cash equivalents | $             $ 1,200  
Financial instruments designated as hedging instruments, at fair value     € 8          
Cash flow hedges [member]                
Financial Risk Management Objectives And Policies [Line Items]                
Loss on cash flow hedges       17        
Liquidity risk [member]                
Financial Risk Management Objectives And Policies [Line Items]                
Amount of drawn and issued amount       3,411 6,752      
Currency risk [member]                
Financial Risk Management Objectives And Policies [Line Items]                
Foreign currency risk on cash and cash equivalents       289 2,338      
Foreign currency risk on inter company balance       1,819 (2,048)      
Foreign currency risk on fixed assets suppliers       (83) (192)      
Foreign Currency Risk On Cross Currency Swap       987 0      
Net debt       (383) 0      
Contingent Value Rights       750 0      
Currency risk [member] | C Band [Member]                
Financial Risk Management Objectives And Policies [Line Items]                
Revenue       € 1,790        
Percentage of Entity's Revenue       68.00%        
Other operating income       € 1,209        
Percentage of other income       60.40%        
Other operating expenses       € 492 € 802      
Percentage of other operating expenses       45.00% 57.00%      
[1] Reconstituted to include current and non-current lease liabilities.