Intangible assets (Details) $ in Millions	6 Months Ended
Jun. 30, 2023 CAD ($)
Cost
Beginning balance	$ 66
Additions (Note 8)	3,022
Foreign exchange impact	(27)
Ending balance	3,061
Accumulated amortization
Beginning balance	24
Amortization	(18)
Ending balance	42
Net carrying amount
Beginning balance	42
Additions (Note 8)	3,022
Amortization	(18)
Foreign exchange impact	(27)
Ending balance	$ 3,019

Finite Lived Accumulated Amortization

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The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method.

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- Definition

Accumulated amount of amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

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- Definition

Amount of foreign currency translation gain (loss) which increases (decreases) assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

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- Definition

Amount before amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

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Amount after amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

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Amount of increase in assets, excluding financial assets, lacking physical substance with a definite life, from an acquisition.

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