The gain (loss) recognised as result of remeasuring to fair value the equity interest in the acquiree held by the acquirer before the business combination. [Refer: Total for all business combinations [member]]

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
-Number 3
-IssueDate 2025-01-01
-Paragraph B64
-Subparagraph p
-Clause ii
-URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=3&code=ifrs-tx-2025-en-r&anchor=para_B64_p_ii&doctype=Appendix&subtype=B
-URIDate 2025-03-27

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- Definition

OTHER OPERATING INCOME (EXPENSES)

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- Definition

Percentage referring to the reversal of remaining parts resulting from the agreement in relation to the Post-Closing Adjustment

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- Definition

Reversal of expenses of provisions for legal claims

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- Definition

Reversal of part of the remaining arising from the agreement in relation to the Post-Closing Adjustment

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- Definition

Reversal of regulatory provisions due to the Commitment Term Regarding Self-Composition Negotiations for Adaptation of Concession Contracts

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OTHER OPERATING INCOME, NET (Details) - BRL (R$) R$ in Thousands	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
OTHER OPERATING INCOME (EXPENSES) [Line Items]
Reversal of regulatory provisions due to the Commitment Term Regarding Self-Composition Negotiations for Adaptation of Concession Contracts		R$ 386,392
Reversal of expenses of provisions for legal claims	R$ 41,402	R$ 26,546
Reversal of part of the remaining arising from the agreement in relation to the Post-Closing Adjustment			R$ 244,229
Percentage referring to the reversal of remaining parts resulting from the agreement in relation to the Post-Closing Adjustment			50.00%
FiBrasil Infraestrutura e Fibra Otica S.A. ("FiBrasil")
OTHER OPERATING INCOME (EXPENSES) [Line Items]
Gain (loss) recognised as result of remeasuring to fair value equity interest in acquiree held by acquirer before business combination	128,750
VivaE and Vivo Ventures
OTHER OPERATING INCOME (EXPENSES) [Line Items]
Gain (loss) recognised as result of remeasuring to fair value equity interest in acquiree held by acquirer before business combination	R$ 6,153