Deferred tax assets and liabilities - Recognized Deferred Tax Assets and Liabilities (Details) - TRY (₺) ₺ in Thousands	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Disclosure of temporary difference, unused tax losses and unused tax credits [line items]
Deferred tax assets	₺ 9,899,090	₺ 9,731,151
Offsetting	(7,361,212)	(8,101,477)
Net deferred tax assets	2,537,878	1,629,674
Deferred tax liabilities	(12,610,957)	(11,402,212)
Offsetting	7,361,212	8,101,477
Net deferred tax liabilities	(5,249,745)	(3,300,735)
Net deferred tax assets/(liabilities)	(2,711,867)	(1,671,061)	₺ (9,036,191)
Property, plant and equipment and intangible assets
Disclosure of temporary difference, unused tax losses and unused tax credits [line items]
Deferred tax assets	845,181	1,952,945
Deferred tax liabilities	(10,807,405)	(10,229,249)
Net deferred tax assets/(liabilities)	(9,962,224)	(8,276,304)
Derivative instruments
Disclosure of temporary difference, unused tax losses and unused tax credits [line items]
Deferred tax assets	38,637	56,026
Deferred tax liabilities	(448,951)	(891,094)
Net deferred tax assets/(liabilities)	(410,314)	(835,068)
Reserve for defined benefit plan and provisions
Disclosure of temporary difference, unused tax losses and unused tax credits [line items]
Deferred tax assets	2,194,978	2,041,197
Deferred tax liabilities	(569)	(42,375)
Net deferred tax assets/(liabilities)	2,194,409	1,998,822
Tax losses carried forward
Disclosure of temporary difference, unused tax losses and unused tax credits [line items]
Deferred tax assets	1,058,535	2,364,929
Net deferred tax assets/(liabilities)	1,058,535	2,364,929
Tax allowances
Disclosure of temporary difference, unused tax losses and unused tax credits [line items]
Deferred tax assets	2,111,083	834,428
Net deferred tax assets/(liabilities)	2,111,083	834,428
Other assets and liabilities
Disclosure of temporary difference, unused tax losses and unused tax credits [line items]
Deferred tax assets	3,650,676	2,481,626
Deferred tax liabilities	(1,354,032)	(239,494)
Net deferred tax assets/(liabilities)	₺ 2,296,644	₺ 2,242,132

The amounts of income taxes recoverable in future periods in respect of: (a) deductible temporary differences; (b) the carryforward of unused tax losses; and (c) the carryforward of unused tax credits. [Refer: Temporary differences [member]; Unused tax credits [member]; Unused tax losses [member]]

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
-Number 12
-IssueDate 2024-01-01
-Paragraph 81
-Subparagraph g
-Clause i
-URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=12&code=ifrs-tx-2024-en-r&anchor=para_81_g_i&doctype=Standard
-URIDate 2024-03-27

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
-Number 1
-IssueDate 2024-01-01
-Paragraph 54
-Subparagraph o
-URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2024-en-r&anchor=para_54_o&doctype=Standard
-URIDate 2024-03-27

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
-Number 1
-IssueDate 2024-01-01
-Paragraph 56
-URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2024-en-r&anchor=para_56&doctype=Standard
-URIDate 2024-03-27

+ Details

Name:	ifrs-full_DeferredTaxAssets
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

The amounts of income taxes payable in future periods in respect of taxable temporary differences. [Refer: Temporary differences [member]]

+ References

+ Details

Name:	ifrs-full_DeferredTaxLiabilities
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

The amount of deferred tax liabilities or assets. [Refer: Deferred tax liabilities; Deferred tax assets]

+ References

+ Details

Name:	ifrs-full_DeferredTaxLiabilityAsset
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with members defined in one or many axes of the table.

+ References

No definition available.

+ Details

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

- Definition

The amount of deferred tax assets net of deferred tax liabilities, when the absolute amount of deferred tax assets is greater than the absolute amount of deferred tax liabilities. [Refer: Deferred tax assets; Deferred tax liabilities]

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Name IAS
-Number 12
-IssueDate 2024-01-01
-Paragraph 81
-Subparagraph g
-Clause i
-URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=12&code=ifrs-tx-2024-en-r&anchor=para_81_g_i&doctype=Standard
-URIDate 2024-03-27

+ Details

Name:	ifrs-full_NetDeferredTaxAssets
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

The amount of deferred tax liabilities net of deferred tax assets, when the absolute amount of deferred tax liabilities is greater than the absolute amount of deferred tax assets. [Refer: Deferred tax assets; Deferred tax liabilities]

+ References

+ Details

Name:	ifrs-full_NetDeferredTaxLiabilities
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Deferred tax liabilities offsetting deferred tax assets.

+ References

No definition available.

+ Details

Name:	tkc_DeferredTaxLiabilitiesOffsettingDeferredTaxAssets
Namespace Prefix:	tkc_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Offsetting deferred tax assets (liabilities) and deferred tax (liabilities) assets.

+ References

No definition available.

+ Details

Name:	tkc_OffsettingDeferredTaxAssetsLiabilitiesAndDeferredTaxLiabilitiesAssets
Namespace Prefix:	tkc_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Details

Name:	ifrs-full_TemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsAxis=tkc_PropertyPlantEquipmentAndIntangibleAssetsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	ifrs-full_TemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsAxis=ifrs-full_DerivativesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	ifrs-full_TemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsAxis=tkc_ReserveForDefinedBenefitPlansAndProvisionsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	ifrs-full_TemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsAxis=ifrs-full_UnusedTaxLossesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	ifrs-full_TemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsAxis=ifrs-full_UnusedTaxCreditsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	ifrs-full_TemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsAxis=tkc_OtherItemsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: