XML 136 R117.htm IDEA: XBRL DOCUMENT v3.25.0.1
Intangible Assets - Narrative (Details) - EUR (€)
€ in Millions
 12 Months Ended
Dec. 31, 2024
Dec. 31, 2023
Dec. 31, 2022
Disclosure of detailed information about intangible assets [line items]      
Additions € 1,799    
Impairment loss recognised in profit or loss, intangible assets other than goodwill 506 € 2  
Intangible assets 9,875 11,370 € 12,017
Telefónica Argentina      
Disclosure of detailed information about intangible assets [line items]      
Intangible assets 265 415  
Service concession arrangements and licenses      
Disclosure of detailed information about intangible assets [line items]      
Additions 157 183  
Impairment loss recognised in profit or loss, intangible assets other than goodwill 485 0  
Intangible assets 5,667 6,886 7,550
Service concession arrangements and licenses | Telefónica Hispam | Colombia      
Disclosure of detailed information about intangible assets [line items]      
Additions 87    
Service concession arrangements and licenses | Telefónica Hispam | Ecuador      
Disclosure of detailed information about intangible assets [line items]      
Additions 19 18  
Service concession arrangements and licenses | Telefónica Hispam | Uruguay      
Disclosure of detailed information about intangible assets [line items]      
Additions 23 24  
Service concession arrangements and licenses | Telefónica Hispam | Argentina      
Disclosure of detailed information about intangible assets [line items]      
Additions   109  
Service concession arrangements and licenses | Telefónica Spain | Spain      
Disclosure of detailed information about intangible assets [line items]      
Additions 25    
Service concession arrangements and licenses | Telefónica Brazil      
Disclosure of detailed information about intangible assets [line items]      
Additions 4    
Service concession arrangements and licenses | Telefónica Peru      
Disclosure of detailed information about intangible assets [line items]      
Impairment loss recognised in profit or loss, intangible assets other than goodwill 54    
Service concession arrangements and licenses | Telefónica Argentina      
Disclosure of detailed information about intangible assets [line items]      
Impairment loss recognised in profit or loss, intangible assets other than goodwill 415    
Software      
Disclosure of detailed information about intangible assets [line items]      
Impairment loss recognised in profit or loss, intangible assets other than goodwill 21 0  
Intangible assets 3,104 € 3,089 € 2,800
Software | Telefónica Argentina      
Disclosure of detailed information about intangible assets [line items]      
Impairment loss recognised in profit or loss, intangible assets other than goodwill € 21