v3.25.4
OPERATIONS - Additional Information (Details) - BRL (R$)
R$ / shares in Units, R$ in Thousands
9 Months Ended 12 Months Ended
Nov. 12, 2025
Oct. 06, 2025
Nov. 27, 2024
Oct. 06, 2025
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Dec. 09, 2025
Nov. 24, 2025
Apr. 15, 2025
Mar. 21, 2025
Dec. 18, 2024
Jul. 22, 2024
Jan. 24, 2024
OPERATIONS                            
Execution of projects related to investments and maintenance of the STFC service     R$ 4,500,000                      
Capital         R$ 60,071,416 R$ 62,071,416 R$ 63,571,416         R$ 60,071,416   R$ 62,071,416
Recognition of contingent liabilities         2,462                  
Net income for the year         R$ (6,177,543) R$ (5,557,332) R$ (5,039,977)              
Shares issued         3,226,546,622         3,261,287,392        
Capital                            
OPERATIONS                            
Percentage of shares issued         100.00% 100.00%                
Shares issued         3,226,546,622 3,261,287,392                
Controlling Group | Capital                            
OPERATIONS                            
Percentage of shares issued         77.13% 76.30%                
Shares issued         2,488,480,640 2,488,480,640                
Payment in cash                            
OPERATIONS                            
Payment of non-compete clause         R$ 33,043                  
Payment according to contractual clauses IPCA/SELIC                            
OPERATIONS                            
Payment of non-compete clause         163,792                  
Brand                            
OPERATIONS                            
The Fair Value of the Brand         R$ 5,460                  
Average royalty rate on net revenue         200.00%                  
After-tax discount rate         1813.00%                  
Tax rate according to Brazilian tax law         3400.00%                  
Useful life measured as period of time, intangible assets other than goodwill         5 years                  
Amortization period         5 years                  
Commercial Relationship                            
OPERATIONS                            
After-tax discount rate         18.13%                  
Tax rate according to Brazilian tax law         34.00%                  
Fair value of the business relationship         R$ 14,000                  
Amortization period         8 years                  
Business combination – Samauma                            
OPERATIONS                            
Allocation to net assets acquired                     R$ 59,161      
Capital                     66,451      
Non-compete agreement recognized separately from the business combination at fair value                     R$ 7,290      
After-tax discount rate         18.08%                  
Perpetual growth rate         4.00%                  
Fair value of non-compete         R$ 7,290                  
Amortization period of non-compete clause         4 years                  
Payment of non-compete clause         R$ 66,451                  
Contingent consideration conditional upon achieving performance targets         25,000                  
Trade accounts receivable         10,295                  
Gross contractual amounts receivable for acquired receivables         11,081                  
Provision for loss recognized upon acquisition         786                  
Net operating revenue         41,996                  
Net income for the year         6,217                  
Business combination – Samauma | Payment in cash                            
OPERATIONS                            
Payment of non-compete clause         22,000                  
Business combination – Samauma | Payment according to contractual clauses IPCA/SELIC                            
OPERATIONS                            
Payment of non-compete clause         R$ 44,451                  
Business combination – Samauma | 2025                            
OPERATIONS                            
Estimated impact on reduction capacity         15.00%                  
Probability of competition increases Percentage         10.00%                  
Revenue Loss         1.50%                  
Business combination – Samauma | 2026                            
OPERATIONS                            
Estimated impact on reduction capacity         25.00%                  
Probability of competition increases Percentage         50.00%                  
Revenue Loss         12.50%                  
Business combination – Samauma | 2034                            
OPERATIONS                            
Estimated impact on reduction capacity         0.00%                  
Probability of competition increases Percentage         0.00%                  
Revenue Loss         0.00%                  
Business combination – FiBrasil                            
OPERATIONS                            
Capital         R$ 243,501                  
Trade accounts receivable         104,694                  
Gross contractual amounts receivable for acquired receivables         105,563                  
Provision for loss recognized upon acquisition         869                  
Net operating revenue         4,620                  
Net income for the year         R$ (4,515)                  
Increase (decrease) through transactions with owners, equity R$ 858,002                          
Total share capital         50.00%                  
Fair value of equity interest recognised on the acquisition date         R$ 372,251                  
Adjustments for gain (loss) on disposal of investments in subsidiaries, joint ventures and associates         128,750                  
Fair value of the fixed and intangible assets         1,615,657                  
Fair value of commitments         24,065                  
Deferred income tax and social contribution on the allocation of fair value attributed to the contingent liability         8,182                  
PPE fair value attributed to fixed asset items         159,285                  
PPE fair value attributed to Right of use assets         166,665                  
Allocation of fair value attributed to intangible assets         2,105                  
Fair value attributed to the contingent liability updated by the SELIC rate         R$ 24,065                  
Business combination – FiBrasil | Telefónica Infra S.L. Unipersonal                            
OPERATIONS                            
Percentage of shares issued         24.99%                  
Business combination – FiBrasil | Minimum                            
OPERATIONS                            
Percentage of shares issued         25.01%                  
Business combination – FiBrasil | Maximum                            
OPERATIONS                            
Percentage of shares issued         75.01%                  
Business combination – IPNET                            
OPERATIONS                            
Allocation to net assets acquired                         R$ 196,835  
Capital                         223,799  
Non-compete agreement recognized separately from the business combination at fair value                         R$ 26,964  
Recognition of contingent liabilities         R$ 8,964                  
Business combination – IPNET | Brand                            
OPERATIONS                            
The Fair Value of the Brand         R$ 10,099                  
Average royalty rate on net revenue         1.00%                  
After-tax discount rate         18.23%                  
Tax rate according to Brazilian tax law         34.00%                  
Amortization period         5 years                  
Brand cost and expenses         10.00%                  
Business combination – IPNET | Customer portfolio                            
OPERATIONS                            
After-tax discount rate         18.23%                  
Tax rate according to Brazilian tax law         34.00%                  
Amortization period         5 years                  
Estimated portfolio decline         20.00%                  
Fair value of the customer portfolio         R$ 28,619                  
Liabilities for the acquisition of a company - Vita IT                            
OPERATIONS                            
After-tax discount rate         18.20%                  
Perpetual growth rate         3.50%                  
Fair value of non-compete         R$ 26,964                  
Amortization period of non-compete clause         6 years                  
Payment of non-compete clause         R$ 196,835                  
Trade accounts receivable         27,177                  
Gross contractual amounts receivable for acquired receivables         31,714                  
Provision for loss recognized upon acquisition         4,537                  
Non-current assets [1]         95,634                  
Liabilities for the acquisition of a company - Vita IT | Telefnica Infraestrutura e Segurana Ltda.                            
OPERATIONS                            
Intangible assets [2]         R$ 38,718                  
Liabilities for the acquisition of a company - Vita IT | 2024                            
OPERATIONS                            
Estimated impact on reduction capacity         15.00%                  
Probability of competition increases Percentage         10.00%                  
Revenue Loss         1.50%                  
Liabilities for the acquisition of a company - Vita IT | 2025                            
OPERATIONS                            
Estimated impact on reduction capacity         25.00%                  
Probability of competition increases Percentage         50.00%                  
Revenue Loss         12.50%                  
Liabilities for the acquisition of a company - Vita IT | 2033                            
OPERATIONS                            
Estimated impact on reduction capacity         10.00%                  
Probability of competition increases Percentage         30.00%                  
Revenue Loss         3.00%                  
Liabilities for the acquisition of a company - Vita IT | Brand | Telefnica Infraestrutura e Segurana Ltda.                            
OPERATIONS                            
Intangible assets [2]         R$ 10,099                  
Liabilities for the acquisition of a company - Vita IT | Customer portfolio | Telefnica Infraestrutura e Segurana Ltda.                            
OPERATIONS                            
Intangible assets [2]         R$ 28,619                  
VivaE and Vivo Ventures                            
OPERATIONS                            
Payment for part of the quotas already subscribed   R$ 17,375                        
Acquisitions through business combinations, investment property       R$ 6,153   R$ 11,222                
Shareholding in the company         (98.00%)                  
Vivo Pay III Investment Fund in Credit Rights                            
OPERATIONS                            
Shares issued                 2,000          
Initial unit nominal value                 R$ 1,000          
CyberCo Brasil | TIS                            
OPERATIONS                            
Capital               R$ 232,000            
Trade accounts receivable         R$ 65,574                  
Net operating revenue         442                  
Net income for the year         3,875                  
Non-current assets         6,283                  
Intangible assets         1,228                  
Other reserves         168,729                  
Present value of the financing with TTech         16,332                  
Cash flows used in obtaining control of subsidiaries or other businesses, classified as investing activities         212,000                  
Initial recognition of the investment         R$ 59,603                  
[1] This refers to the allocation of R$95,634 of the fair value attributed to the indemnification asset related to the contingent liability, which is being updated by the SELIC rate.
[2] This refers to the allocation of fair value attributed to intangibles of R$38,718, being: (i) brand (R$10,099); and (ii) customer portfolio (R$28,619).