share-based compensation - TELUS Corporation employee share purchase plan (Details) - CAD ($) $ in Millions	3 Months Ended	6 Months Ended
Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Employee share purchase plan
share-based compensation
Dividend reinvestment in common shares	$ 14	$ 13	$ 27	$ 26

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