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Cash Flow Information (Tables)

12 Months Ended

Dec. 31, 2021

Disclosure of cash flow statement [Abstract]

Disclosure of non-cash operating working capital


Year ended Dec. 31			2021			2020			2019
(Use) source:
Accounts receivable			(28)			(79)			261
Prepaid expenses			9			2			—
Income taxes receivable			—			(4)			(6)
Inventory			42			6			(13)
Accounts payable, accrued liabilities and provisions			153			160			(130)
Income taxes payable			(2)			4			9
Change in non-cash operating working capital			174			89			121

Cash flows from (used in) operating activities


			Balance Dec. 31, 2020			Cash issuances			Repayments and dividends paid			New leases						Dividends declared			Foreign exchange impact			Other			Balance Dec. 31, 2021
Long-term debt and lease liabilities			3,361			173			(214)			1						—			(39)			(15)			3,267
Exchangeable securities			730			—			—			—						—			—			5			735
Dividends payable (common and preferred)			59			—			(87)			—						90			—			—			62
Total liabilities from financing activities			4,150			173			(301)			1						90			(39)			(10)			4,064


			Balance Dec. 31, 2019			Cash issuances			Repayments and dividends paid			New leases						Dividends declared			Foreign exchange impact			Other			Balance Dec. 31, 2020
Long-term debt and lease liabilities			3,212			753			(620)			16						—			5			(5)			3,361
Exchangeable securities			326			400			—			—						—			—			4			730
Dividends payable (common and preferred)			37			—			(86)			—						107			—			1			59
Total liabilities from financing activities			3,575			1,153			(706)			16						107			5			—			4,150