v3.26.1
Intangible assets - Schedule Of Definite Life Intangible Assets (Detail) - EUR (€)
€ in Millions
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Disclosure Of Definite Life Intangible Assets Net Book Value By Country [Line Items]      
Intangible assets and goodwill € 2,810 € 908 € 920
Orbital slot licence rights [Member]      
Disclosure Of Definite Life Intangible Assets Net Book Value By Country [Line Items]      
Intangible assets and goodwill 545 477 107
Customer Relationship [Member]      
Disclosure Of Definite Life Intangible Assets Net Book Value By Country [Line Items]      
Intangible assets and goodwill 306 226 265
Other [Member]      
Disclosure Of Definite Life Intangible Assets Net Book Value By Country [Line Items]      
Intangible assets and goodwill 151 62 60
United States Of America [Member] | Orbital slot licence rights [Member]      
Disclosure Of Definite Life Intangible Assets Net Book Value By Country [Line Items]      
Intangible assets and goodwill 307 116  
United States Of America [Member] | Customer Relationship [Member]      
Disclosure Of Definite Life Intangible Assets Net Book Value By Country [Line Items]      
Intangible assets and goodwill 306 226 265
United States Of America [Member] | Other [Member]      
Disclosure Of Definite Life Intangible Assets Net Book Value By Country [Line Items]      
Intangible assets and goodwill 94 8 3
Luxembourg [Member] | Orbital slot licence rights [Member]      
Disclosure Of Definite Life Intangible Assets Net Book Value By Country [Line Items]      
Intangible assets and goodwill 134 143 105
Luxembourg [Member] | Other [Member]      
Disclosure Of Definite Life Intangible Assets Net Book Value By Country [Line Items]      
Intangible assets and goodwill 49 44 46
Netherlands [Member] | Orbital slot licence rights [Member]      
Disclosure Of Definite Life Intangible Assets Net Book Value By Country [Line Items]      
Intangible assets and goodwill 59 169  
Sweden [Member] | Orbital slot licence rights [Member]      
Disclosure Of Definite Life Intangible Assets Net Book Value By Country [Line Items]      
Intangible assets and goodwill 37 39  
Brazil [Member] | Orbital slot licence rights [Member]      
Disclosure Of Definite Life Intangible Assets Net Book Value By Country [Line Items]      
Intangible assets and goodwill 8 7 2
Brazil [Member] | Other [Member]      
Disclosure Of Definite Life Intangible Assets Net Book Value By Country [Line Items]      
Intangible assets and goodwill 1 1 1
Germany [Member] | Other [Member]      
Disclosure Of Definite Life Intangible Assets Net Book Value By Country [Line Items]      
Intangible assets and goodwill 5 6 9
Other [Member] | Orbital slot licence rights [Member]      
Disclosure Of Definite Life Intangible Assets Net Book Value By Country [Line Items]      
Intangible assets and goodwill   3  
Other [Member] | Other [Member]      
Disclosure Of Definite Life Intangible Assets Net Book Value By Country [Line Items]      
Intangible assets and goodwill € 2 € 3 € 1 [1]
[1] Updated to include internally generated development costs