The increase (decrease) in goodwill. [Refer: Goodwill]

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The amount recognised as of the acquisition date for net identifiable assets acquired or liabilities assumed in a business combination. [Refer: Business combinations [member]]

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The portion of consideration paid or received, consisting of cash and cash equivalents, in respect of both obtaining and losing control of subsidiaries or other businesses. [Refer: Subsidiaries [member]; Cash and cash equivalents; Consideration paid (received)]

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The cash inflow from the issuing of ordinary shares. [Refer: Ordinary shares [member]]

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The number of shares that will replace a single share in the share split transaction.

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The amount of Common shares issued.

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Minimum annual spend amount in relation to the agreement entered with related parties.

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Number of shares converted in a noncash (or part noncash) transaction.

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Related party transactions - Other transactions with TELUS Corporation (Details) shares in Millions, $ in Millions		1 Months Ended	3 Months Ended	12 Months Ended
	Feb. 03, 2021 shares	Jan. 31, 2021 USD ($)	Dec. 31, 2022 USD ($)	Dec. 31, 2023 USD ($)	Dec. 31, 2022 USD ($)	Dec. 31, 2021 USD ($)
Related party transactions
Amounts due from affiliates, receivable period				30 days
Term of master service agreement		10 years
Shares issued (in shares) \| shares	21.0
Shares issued				$ 4	$ 3	$ 527
Multiple voting shares
Related party transactions
Share split ratio	4.5			4.5
TELUS Corporation (parent)
Related party transactions
Minimum annual spend amount		$ 200
Portion of consideration paid (received) consisting of cash and cash equivalents			$ 1
Net identifiable assets acquired				$ 2
Increase (decrease) in goodwill			$ 9
TELUS Corporation (parent) \| Multiple voting shares
Related party transactions
Shares issued (in shares) \| shares	153.0
Number of shares converted to subordinate voting shares (in shares) \| shares	7.0
Baring Private Equity Asia \| Multiple voting shares
Related party transactions
Shares issued (in shares) \| shares	82.0