Name:	ifrs-full_DisclosureOfBusinessCombinationsLineItems
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

The amount of expense (income) resulting from past service cost. Past service cost is the change in the present value of the defined benefit obligation for employee service in prior periods, resulting from a plan amendment (the introduction or withdrawal of, or changes to, a defined benefit plan) or a curtailment (a significant reduction by the entity in the number of employees covered by a plan). [Refer: Post-employment benefit expense in profit or loss, defined benefit plans; Defined benefit plans [member]] [Contrast: Increase (decrease) in net defined benefit liability (asset) resulting from past service cost]

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Name IAS
-Number 19
-IssueDate 2023-01-01
-Paragraph 135
-Subparagraph b
-URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=19&code=ifrs-tx-2023-en-r&anchor=para_135_b&doctype=Standard
-URIDate 2023-03-23

Name:	ifrs-full_PastServiceCostDefinedBenefitPlans
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

The net present value of the take-or-pay data transmission capacity contract.

No definition available.

Name:	viv_NetPresentValueOfTakeOrPayDataTransmissionCapacityContract
Namespace Prefix:	viv_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

The approximate number of clients.

No definition available.

Name:	viv_NumberOfClients
Namespace Prefix:	viv_
Data Type:	xbrli:decimalItemType
Balance Type:	na
Period Type:	instant

The payment amount subject to achievement of certain targets for migrating customer bases and frequencies.

No definition available.

Name:	viv_PaymentAmountSubjectToAchievementOfCertainTargetsForMigratingCustomerBasesAndFrequencies
Namespace Prefix:	viv_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

The amount of payment for transition services to be provided.

No definition available.

Name:	viv_PaymentForTransitionServicesToBeProvided
Namespace Prefix:	viv_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

The payment term of term of take-or-pay data transmission capacity contract.

No definition available.

Name:	viv_PaymentTermOfTakeOrPayDataTransmissionCapacityContract
Namespace Prefix:	viv_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

The percentage of amount withheld in a business combination.

No definition available.

Name:	viv_PercentageOfAmountWithheldInBusinessCombination
Namespace Prefix:	viv_
Data Type:	dtr-types1:percentItemType
Balance Type:	na
Period Type:	instant

The percentage of share in number of mobile access sites.

No definition available.

Name:	viv_PercentageOfShareInNumberOfMobileAccessSites
Namespace Prefix:	viv_
Data Type:	dtr-types1:percentItemType
Balance Type:	na
Period Type:	instant

The percentage of share of radiofrequency.

No definition available.

Name:	viv_PercentageOfShareOfRadiofrequency
Namespace Prefix:	viv_
Data Type:	dtr-types1:percentItemType
Balance Type:	na
Period Type:	instant

The percentage of share of total customer base.

No definition available.

Name:	viv_PercentageOfShareOfTotalCustomerBase
Namespace Prefix:	viv_
Data Type:	dtr-types1:percentItemType
Balance Type:	na
Period Type:	instant

The restatement percentage of CDI from acquisition date.

No definition available.

Name:	viv_RestatementPercentageOfCdiFromAcquisitionDate
Namespace Prefix:	viv_
Data Type:	dtr-types1:percentItemType
Balance Type:	na
Period Type:	duration

The term of transition services to be provided.

No definition available.

Name:	viv_TermOfTransitionServicesToBeProvided
Namespace Prefix:	viv_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

Withheld amount for price adjustment.

No definition available.