SHORT-TERM BANK LOANS AND CURRENT MATURITIES OF LONG-TERM LOANS AND OTHER BORROWINGS - Other significant information (Details) $ in Millions, Rp in Billions	Dec. 31, 2022 IDR (Rp)	Dec. 31, 2022 USD ($)
Mandir maturing on September 27, 2023
Borrowings and other credit facilities
Total facility	Rp 3,100
Mandri maturing on April 28, 2023
Borrowings and other credit facilities
Total facility	Rp 500
Interest rate (as a percent)	1.30%	1.30%
BNI Maturing on January 9, 2024
Borrowings and other credit facilities
Total facility	Rp 350
BNI maturing on June 6, 2023
Borrowings and other credit facilities
Total facility	1,135
HSBC maturing on November 17 2023
Borrowings and other credit facilities
Total facility	400
HSBC maturing on December 31, 2023
Borrowings and other credit facilities
Total facility	2,250
DBS maturing on July 31, 2023
Borrowings and other credit facilities
Total facility	Rp 2,430	$ 475,000
Minimum \| Mandir maturing on September 27, 2023
Borrowings and other credit facilities
Interest rate (as a percent)	3.85%	3.85%
Minimum \| BNI maturing on June 6, 2023
Borrowings and other credit facilities
Interest rate adjustment (as a percent)	2.00%	2.00%
Minimum \| BNI maturing on November 7, 2022
Borrowings and other credit facilities
Interest rate (as a percent)	7.90%	7.90%
Maximum \| Mandir maturing on September 27, 2023
Borrowings and other credit facilities
Interest rate (as a percent)	9.00%	9.00%
Maximum \| BNI maturing on June 6, 2023
Borrowings and other credit facilities
Interest rate adjustment (as a percent)	2.50%	2.50%
Maximum \| BNI maturing on November 7, 2022
Borrowings and other credit facilities
Interest rate (as a percent)	8.50%	8.50%
Monthly Repayment of Interest \| HSBC maturing on November 17 2023
Borrowings and other credit facilities
Interest rate (as a percent)	7.40%	7.40%
Monthly Repayment of Interest \| Minimum \| Mufg maturing on October , 2023
Borrowings and other credit facilities
Interest rate (as a percent)	0.70%	0.70%
Monthly Repayment of Interest \| Minimum \| HSBC maturing on December 31, 2023
Borrowings and other credit facilities
Interest rate adjustment (as a percent)	0.80%	0.80%
Monthly Repayment of Interest \| Minimum \| DBS maturing on July 31, 2023
Borrowings and other credit facilities
Interest rate adjustment (as a percent)	1.20%	1.20%
Monthly Repayment of Interest \| Maximum \| DBS maturing on July 31, 2023
Borrowings and other credit facilities
Interest rate (as a percent)	0.40%	0.40%
Interest rate adjustment (as a percent)	1.45%	1.45%
Quarterly repayment of interest \| Maximum \| HSBC maturing on December 31, 2023
Borrowings and other credit facilities
Interest rate (as a percent)	1.00%	1.00%

The adjustment to the basis (reference rate) used for calculation of the interest rate on borrowings. [Refer: Borrowings]

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Name IFRS
-Number 7
-IssueDate 2022-03-24
-Paragraph 7
-URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2022-en-r&anchor=para_7&doctype=Standard
-URIDate 2022-03-24

+ Details

Name:	ifrs-full_BorrowingsAdjustmentToInterestRateBasis
Namespace Prefix:	ifrs-full_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

The interest rate on borrowings. [Refer: Borrowings]

+ References

+ Details

Name:	ifrs-full_BorrowingsInterestRate
Namespace Prefix:	ifrs-full_
Data Type:	dtr-types:percentItemType
Balance Type:	na
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_DisclosureOfDetailedInformationAboutBorrowingsLineItems
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

+ References

No definition available.

+ Details

Name:	tlk_IfrsLineOfCreditFacilityMaximumBorrowingCapacity
Namespace Prefix:	tlk_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Details

Name:	ifrs-full_BorrowingsByNameAxis=tlk_MandirMaturingOnSeptember272023Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	ifrs-full_BorrowingsByNameAxis=tlk_MandriMaturingOnApril282023Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	ifrs-full_BorrowingsByNameAxis=tlk_BniMaturingOnJanuary92024Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	ifrs-full_BorrowingsByNameAxis=tlk_BniMaturingOnJune62023Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	ifrs-full_BorrowingsByNameAxis=tlk_HsbcMaturingOnNovember172023Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	ifrs-full_BorrowingsByNameAxis=tlk_HsbcMaturingOnDecember312023Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	ifrs-full_BorrowingsByNameAxis=tlk_DbsMaturingOnJuly312023Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	ifrs-full_RangeAxis=ifrs-full_BottomOfRangeMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	ifrs-full_BorrowingsByNameAxis=tlk_PtBankNegaraIndonesiaLoanFacilityMaturingOnNovember72022Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	ifrs-full_RangeAxis=ifrs-full_TopOfRangeMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	tlk_IfrsScenarioAxis=tlk_MonthlyRepaymentOfInterestMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	ifrs-full_BorrowingsByNameAxis=tlk_MufgMaturingOnOctober2023Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	tlk_IfrsScenarioAxis=tlk_QuarterlyRepaymentOfInterestMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: