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Common shares (Tables)

3 Months Ended

Mar. 31, 2022

Summary of Common Shares

		As of				As of
		Mar 31				Dec 31
thousands of shares		2022				2021
Authorized			1,100,000				1,100,000
Common shares outstanding			669,144				678,080

Common Share Activities

The company’s common share activities are summarized below:

		Thousands of shares				Millions of dollars
Balance as at December 31, 2020			734,077				1,357
Issued under employee share-based awards			7				-
Purchases at stated value			(56,004	)			(105	)
Balance as at December 31, 2021			678,080				1,252
Issued under employee share-based awards			-				-
Purchases at stated value			(8,936	)			(15	)
Balance as at March 31, 2022			669,144				1,237

Calculation of Basic and Diluted Earnings Per Share

The following table provides the calculation of basic and diluted earnings per common share and the dividends declared by the company on its outstanding common shares:

			Three Months
			to March 31
			2022				2021
Net income (loss) per common share - basic
Net income (loss) (millions of Canadian dollars)			1,173				392
Weighted average number of common shares outstanding (millions of shares)			670.5				734.1
Net income (loss) per common share (dollars)			1.75				0.53
Net income (loss) per common share - diluted
Net income (loss) (millions of Canadian dollars)			1,173				392
Weighted average number of common shares outstanding (millions of shares)			670.5				734.1
Effect of employee share-based awards (millions of shares)			1.4				1.6
Weighted average number of common shares outstanding, assuming dilution (millions of shares)			671.9				735.7
Net income (loss) per common share (dollars)			1.75				0.53
Dividends per common share - declared (dollars)			0.34				0.22

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Summary of common shares authorized.

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Tabular disclosure of the change in common stock outstanding.

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- Definition

Tabular disclosure of an entity's basic and diluted earnings per share calculations, including a reconciliation of numerators and denominators of the basic and diluted per-share computations for income from continuing operations.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 260
-SubTopic 10
-Section 50
-Paragraph 1
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=124432515&loc=d3e3550-109257

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