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

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Name IAS
-Number 1
-IssueDate 2019-01-01
-Paragraph 55
-URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2019-en-r&anchor=para_55&doctype=Standard
-URIDate 2019-03-27

+ Details

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

- Definition

The effective weighted average interest rate on borrowings.

+ References

No definition available.

+ Details

Name:	tu_BorrowingsEffectiveWeightedAverageInterestRate
Namespace Prefix:	tu_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- 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:	tu_IfrsLineOfCreditFacilityMaximumBorrowingCapacity
Namespace Prefix:	tu_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Total long-term borrowings, including the current and non-current portion.

+ References

No definition available.

+ Details

Name:	tu_LongTermBorrowingsCurrentAndNonCurrent
Namespace Prefix:	tu_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Pertains to the TELUS Corporation unsecured commercial paper program.

+ References

No definition available.

+ Details

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Namespace Prefix:	tu_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Details

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

- Details

Name:	ifrs-full_BorrowingsByNameAxis=tu_TelusCorporationCreditFacilityMember
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long-term debt - TELUS Corporation commercial paper (Details) $ in Millions, $ in Millions	Dec. 31, 2019 USD ($)	Dec. 31, 2019 CAD ($)	Jan. 01, 2019 CAD ($)	Dec. 31, 2018 CAD ($)
TELUS Corporation commercial paper
Maximum aggregate amount of credit facility		$ 2,250		$ 2,250
Current portion of non-current borrowings		1,332	$ 1,016	836
Long-term debt		18,474		14,101
TELUS Corporation commercial paper
TELUS Corporation commercial paper
Maximum aggregate amount of credit facility		1,400		1,400
Long-term debt	$ 781	$ 1,015		774
Weighted average interest rate	2.11%	2.11%
TELUS Corporation credit facility
TELUS Corporation commercial paper
Maximum aggregate amount of credit facility		$ 2,250		$ 2,250
Current portion of non-current borrowings		$ 0