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

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Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
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

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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

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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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Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Details

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- Details

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long-term debt - TELUS Corporation commercial paper (Details) $ in Millions, $ in Millions	Jun. 30, 2020 CAD ($)	Dec. 31, 2019 USD ($)	Dec. 31, 2019 CAD ($)	Jun. 30, 2019 CAD ($)
TELUS Corporation commercial paper
Maximum aggregate amount of credit facility	$ 2,250		$ 2,250
Current portion of non-current borrowings	562		1,332
Long-term debt	18,518		18,474	$ 16,579
TELUS Corporation commercial paper
TELUS Corporation commercial paper
Maximum aggregate amount of credit facility	1,400		1,400
Long-term debt		$ 781	$ 1,015
TELUS Corporation credit facility
TELUS Corporation commercial paper
Maximum aggregate amount of credit facility	2,250
Current portion of non-current borrowings	$ 0