v3.25.4
BALANCES AND TRANSACTIONS WITH RELATED PARTIES - Balance Sheet (Details 1) - BRL (R$)
R$ in Thousands
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Dec. 31, 2022
BALANCES AND TRANSACTIONS WITH RELATED PARTIES        
Trade receivables due from related parties [1] R$ 50,292 R$ 63,240    
Other assets 26,471 115,400    
Cash and cash equivalents 7,032,339 6,691,098 R$ 4,358,276 R$ 2,273,834
Cash And Cash Equivalents, Current, Related Party Transactions 16,694 18,308    
Trade Receivables Due From Related Parties, Current 50,292 63,240    
Other assets, current 26,317 72,641    
Other assets, non-current 154 42,759    
Parent        
BALANCES AND TRANSACTIONS WITH RELATED PARTIES        
Cash and cash equivalents 0 0    
Trade receivables due from related parties 6,016 1,415    
Other assets 2,310 2,455    
Telefónica Chile        
BALANCES AND TRANSACTIONS WITH RELATED PARTIES        
Trade receivables due from related parties 1,647 1,415    
Telefonica LatinoAmerica Holding        
BALANCES AND TRANSACTIONS WITH RELATED PARTIES        
Other assets 2,199 2,389    
Telefonica SA        
BALANCES AND TRANSACTIONS WITH RELATED PARTIES        
Trade receivables due from related parties 4,369      
Other assets 111 66    
Other Group companies        
BALANCES AND TRANSACTIONS WITH RELATED PARTIES        
Cash and cash equivalents 16,694 18,308    
Trade receivables due from related parties 44,276 61,825    
Other assets 24,161 112,945    
Telefonica Global Solutions Participacoes        
BALANCES AND TRANSACTIONS WITH RELATED PARTIES        
Trade receivables due from related parties 1,430 3,331    
Other assets 354 317    
Telefonica Venezolana        
BALANCES AND TRANSACTIONS WITH RELATED PARTIES        
Trade receivables due from related parties 10,537 11,857    
Other assets 5,197 5,821    
Terra Networks Mexico        
BALANCES AND TRANSACTIONS WITH RELATED PARTIES        
Trade receivables due from related parties 1,174 551    
Telefónica Global Solutions        
BALANCES AND TRANSACTIONS WITH RELATED PARTIES        
Trade receivables due from related parties 23,441 25,626    
Telefónica Innovación Digital        
BALANCES AND TRANSACTIONS WITH RELATED PARTIES        
Other assets 9,608 3,581    
Telefonica Moviles Argentina        
BALANCES AND TRANSACTIONS WITH RELATED PARTIES        
Trade receivables due from related parties   6,183    
Telfisa Global BV        
BALANCES AND TRANSACTIONS WITH RELATED PARTIES        
Cash and cash equivalents 16,694 18,308    
Telxius Cable Brasil        
BALANCES AND TRANSACTIONS WITH RELATED PARTIES        
Trade receivables due from related parties 2,539 6,644    
Other assets 321 411    
Telefonica Cibersegurana e Tecnologia Do Brasil        
BALANCES AND TRANSACTIONS WITH RELATED PARTIES        
Trade receivables due from related parties   131    
Other assets   18,270    
Celular De Telefonia        
BALANCES AND TRANSACTIONS WITH RELATED PARTIES        
Other assets 2,582 2,759    
FiBrasil Infraestrutura e Fibra Otica        
BALANCES AND TRANSACTIONS WITH RELATED PARTIES        
Trade receivables due from related parties   958    
Other assets   74,991    
T. IoT Big Data Tech ESP        
BALANCES AND TRANSACTIONS WITH RELATED PARTIES        
Other assets 1,598 1,292    
Telefonica Hispanoamerica        
BALANCES AND TRANSACTIONS WITH RELATED PARTIES        
Other assets 2,077 3,168    
Telefonica Moviles del Uruguay        
BALANCES AND TRANSACTIONS WITH RELATED PARTIES        
Trade receivables due from related parties   1,137    
Other related parties        
BALANCES AND TRANSACTIONS WITH RELATED PARTIES        
Trade receivables due from related parties 5,155 5,407    
Other assets R$ 2,424 R$ 2,335    
[1] The consolidated include R$3,024,347 and R$2,752,975 to be billed to customers on December 31, 2025 and 2024, respectively. It also includes the amounts of contractual assets (Note 25.a.), shown in item d), of this Note.