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Cash Flow Information

12 Months Ended

Dec. 31, 2020

Disclosure of cash flow statement [Abstract]

Cash Flow Information

Cash Flow Information

A. Change in Non-Cash Operating Working Capital


Year ended Dec. 31			2020			2019			2018
(Use) source:
Accounts receivable			(79)			261			58
Prepaid expenses			2			—			19
Income taxes receivable			(4)			(6)			—
Inventory			6			(13)			(21)
Accounts payable, accrued liabilities and provisions			160			(130)			(97)
Income taxes payable			4			9			(3)
Change in non-cash operating working capital			89			121			(44)

B. Changes in Liabilities from Financing Activities


			Balance Dec. 31, 2019			Net cash flows			New leases						Dividends declared			Foreign exchange impact			Other			Balance Dec. 31, 2020
Long-term debt and lease obligations			3,212			133			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			447			16						107			5			—			4,150


			Balance Dec. 31, 2018			Net cash flows			New leases			Tax shield on tax equity financing			Dividends declared			Foreign exchange impact			Other			Balance Dec. 31, 2019
Long-term debt and lease liabilities			3,267			(70)			133			(35)			—			(42)			(41)			3,212
Exchangeable securities			—			350			—			—			—			—			(24)			326
Dividends payable (common and preferred)			58			(85)			—			—			64			—			—			37
Total liabilities from financing activities			3,325			195			133			(35)			64			(42)			(65)			3,575