The interest rate on borrowings. [Refer: Borrowings]

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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-Number 7
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-URIDate 2022-03-24

+ Details

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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

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

- Definition

The amount of undrawn borrowing facilities that may be available for future operating activities and to settle capital commitments. [Refer: Capital commitments]

+ References

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Name IAS
-Number 7
-IssueDate 2022-03-24
-Paragraph 50
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-URIDate 2022-03-24

+ Details

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

- Definition

Borrowings, Condition Precedent, Acquisition

+ References

No definition available.

+ Details

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Namespace Prefix:	tixt_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Borrowings that are outstanding at the reporting date, excluding unamortized costs.

+ References

No definition available.

+ Details

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Namespace Prefix:	tixt_
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:	tixt_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

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Data Type:	na
Balance Type:
Period Type:

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Namespace Prefix:
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Long-term debt - Credit facility (Details) - USD ($) $ in Millions	Dec. 31, 2022	Dec. 22, 2022	Dec. 20, 2022	Dec. 31, 2021
TELUS Corporation
Long-term debt maturities
Available				$ 716
Credit facility
Long-term debt maturities
Available	$ 1,258			716
Outstanding	742			941
Total		$ 2,000	$ 2,000	1,657
Credit facility \| Other lenders
Long-term debt maturities
Outstanding	689			854
Credit facility \| TELUS Corporation
Long-term debt maturities
Outstanding	53			87
Revolving component
Long-term debt maturities
Available	658			716
Outstanding	142			134
Total		800	800	850
Condition precedent	525
Revolving component \| Other lenders
Long-term debt maturities
Outstanding	132			118
Revolving component \| TELUS Corporation
Long-term debt maturities
Outstanding	10			16
Term loan components
Long-term debt maturities
Available	600
Outstanding	$ 600			807
Total		$ 1,200	$ 1,200	$ 807
Fixed interest rate	2.64%			2.64%
Condition precedent	$ 600
Term loan components \| Other lenders
Long-term debt maturities
Outstanding	557			$ 736
Term loan components \| TELUS Corporation
Long-term debt maturities
Outstanding	$ 43			$ 71