Additional financial information (Tables)

12 Months Ended

Dec. 31, 2024

Additional financial information

Schedule of additional information for statements of financial position

As at December 31 (millions)	2024		2023
Other long-term assets
Lease deposits	$	15	$	12
Prepaid software and maintenance costs	6		6
Other	5		7
	$	26	$	25
Accounts payable and accrued liabilities
Trade accounts payable	$	36	$	37
Accrued liabilities	102		103
Payroll and other employee-related liabilities	159		135
Advance billings	12		4
Other	12		11
	$	321	$	290

Schedule of operating activities and investing activities

Years Ended December 31 (millions)	2024		2023		2022
Net change in non-cash operating working capital
Accounts receivable	$	18	$	3	$	(26)
Due from and to affiliated companies, net	96		86		17
Prepaid expenses	(8)		—		6
Other long-term assets	(1)		2		6
Accounts payable and accrued liabilities	42		(45)		(27)
Income and other taxes receivable and payable, net	1		(2)		(1)
Provisions	7		2		—
Other long-term liabilities	11		(3)		(1)
	$	166	$	43	$	(26)
Cash payments for capital assets
Capital asset additions
Capital expenditures
Property, plant and equipment, excluding right-of-use assets	$	(72)	$	(79)	$	(92)
Intangible assets	(32)		(14)		(12)
	(104)		(93)		(104)
Change in associated non-cash investing working capital	(1)		4		(1)
	$	(105)	$	(89)	$	(105)

Schedule of changes in liabilities arising from financing activities

			Statements of cash flows				Non-cash changes
Year Ended December 31, 2024 (millions)	Beginning of year		Issued or received		Redemptions, repayments or payments		Foreign exchange movement		Other		End of year
Long-term debt
Credit facility	$	1,463	$	295	$	(474)	$	—	$	—	$	1,284
Lease liabilities	298		—		(89)		(7)		47		249
Deferred debt transaction costs	(11)		—		—				3		(8)
	$	1,750	$	295	$	(563)	$	(7)	$	50	$	1,525

			Statements of cash flows				Non-cash changes
Year Ended December 31, 2023 (millions)	Beginning of year		Issued or received		Redemptions, repayments or payments		Foreign exchange movement		Other		End of year
Long-term debt
Credit facility	$	742	$	1,161	$	(440)	$	—	$	—	$	1,463
Debt assumed from acquisitions	—		—		(89)		—		89		$	—
Lease liabilities	236		—		(84)		9		137		298
Deferred debt transaction costs	(14)		—		—		—		3		(11)
	$	964	$	1,161	$	(613)	$	9	$	229	$	1,750

			Statements of cash flows				Non-cash changes
Year Ended December 31, 2022 (millions)	Beginning of year		Issued or received		Redemptions, repayments or payments		Foreign exchange movement		Other		End of year
Long-term debt
Credit facility	$	941	$	411	$	(610)	$	—	$	—	$	742
Lease liabilities	215		—		(72)		(7)		100		236
Deferred debt transaction costs	(8)		—		(8)		—		2		(14)
	$	1,148	$	411	$	(690)	$	(7)	$	102	$	964