Goodwill and other intangibles (Tables)

12 Months Ended

Dec. 31, 2024

Disclosure of detailed information about intangible assets [abstract]

Disclosure of reconciliation of changes in intangible assets and goodwill

Supporting information

	Goodwill		Customer Relationship Intangible		Other		Total
As at December 31, 2022	$	1,944	$	390	$	24	$	2,358
Additions	—		—		3		3
Amortization1	—		(53)		(9)		(62)
Foreign exchange	5		2		—		6
Transfers	—		—		4		4
Other	—		—		(2)		(2)
As at December 31, 2023	$	1,949	$	339	$	20	$	2,307
As at December 31, 2023
Cost	$	1,949	$	489	$	80	$	2,518
Accumulated amortization	—		(150)		(60)		(211)
Net	$	1,949	$	339	$	20	$	2,307
As at December 31, 2023	$	1,949	$	339	$	20	$	2,307
Additions	—		—		3		3
Amortization1	—		(53)		(9)		(63)
Impairment (note 17)	(70)		—		—		(70)
Foreign exchange	(1)		—		—		(1)
Other	—		—		2		2
As at December 31, 2024	$	1,879	$	285	$	16	$	2,180
As at December 31, 2024
Cost	$	1,879	$	489	$	81	$	2,448
Accumulated amortization	—		(203)		(65)		(268)
Net	$	1,879	$	285	$	16	$	2,180

1.Amortization of $63 million (2023 - $62 million) relates to selling, general and administration expense.

Schedule of Goodwill

For the purposes of impairment testing, goodwill has been allocated to the following CGU groups:

	December 31,		December 31,
As at	2024		2023
Canadian lumber	$	171	$	171
U.S. lumber	409		409
North America EWP	1,280		1,280
Europe EWP	19		89
Total	$	1,879	$	1,949

Schedule Of Goodwill Key Assumptions

The following table lists the key assumptions and sensitivities:

Key assumptions	Sensitivity of recoverable amount to a 1% change in assumption
Product pricing	$37 million
Production volumes	$8 million
Operating costs	$33 million

The following table indicates the percentages by which key assumptions would need to change individually for the recoverable amount to equal the carrying amount:

Key assumptions	Change required for recoverable amount to equal carrying amount
Product pricing	1% decrease
Production volumes	5% decrease
Operating costs	1% increase