v3.26.1
C-band repurposing - Additional Information (Detail)
€ in Millions, $ in Millions
12 Months Ended
Feb. 28, 2024
EUR (€)
Feb. 28, 2024
USD ($)
Dec. 31, 2025
EUR (€)
Dec. 31, 2024
EUR (€)
Dec. 31, 2023
EUR (€)
Schedule of costs and expected reimbursements of Assets in the course of construction [Line Items]          
Reclassification of receivables to assets under construction       € 11  
Settlement agreements c band satellites € 22 $ 24      
C-band repurposing income     € 3 88 € 2,744
C-band repurposing expenses     2 5 47
C-band repurposing cost of sales     1 1 2
C-band repurposing staff costs     0 0 29
C-band repurposing other operating expenses     1 4 € 16
C-band repurposing other receivables     0 87  
C-band repurposing commitments     € 0 € 0