SHORT-TERM BANK LOANS AND CURRENT MATURITIES OF LONG-TERM BORROWINGS (Details) $ in Millions, Rp in Billions	Dec. 31, 2018 USD ($)	Dec. 31, 2018 IDR (Rp)	Dec. 31, 2017 IDR (Rp)
SHORT-TERM BANK LOANS AND CURRENT MATURITIES OF LONG-TERM BORROWINGS
Short-term bank loans		Rp 4,043	Rp 2,289
Current maturities of long-term borrowings		6,296	5,209
Total current borrowings and current portion of non-current borrowings	$ 719	Rp 10,339	Rp 7,498

The amount of current borrowings and current portion of non-current borrowings. [Refer: Borrowings]

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Name IAS
-Number 1
-IssueDate 2018-01-01
-Paragraph 55
-URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=1&date=2018-03-01&anchor=para_55&doctype=Standard
-URIDate 2018-03-16

+ Details

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

- Definition

The current portion of non-current borrowings. [Refer: Borrowings]

+ References

+ Details

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

- Definition

The amount of current borrowings. [Refer: Borrowings]

+ References

+ Details

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

- References

No definition available.

+ Details

Name:	tlk_DisclosureOfShortTermBankLoansAndCurrentMaturitiesOfLongTermBorrowingsAbstract
Namespace Prefix:	tlk_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration