Earnings Per Share (Tables)

12 Months Ended

Dec. 31, 2022

Earnings per share [abstract]

Reconciliation of Earnings Used for Earnings per Share Calculations

Earnings used in determining consolidated earnings per share and earnings per share from continuing operations are as follows:

	Year ended December 31,
	2022		2021
Earnings attributable to common shareholders		1,338		5,689
Less: Dividends declared on preference shares		(3)		(2)
Earnings used in consolidated earnings per share		1,335		5,687
Less: Loss (earnings) from discontinued operations, net of tax		53		(2)
Earnings used in earnings per share from continuing operations		1,388		5,685

Weighted Average Common Shares

The weighted-average number of common shares outstanding, as well as a reconciliation of the weighted-average number of common shares outstanding used in the basic earnings per share computation to the weighted-average number of common shares outstanding used in the diluted earnings per share computation, is presented below:

	Year ended December 31,
	2022		2021
Weighted-average number of common shares outstanding		483,634,135		493,106,315
Weighted-average number of vested DSUs		251,366		337,716
Basic		483,885,501		493,444,031
Effect of stock options and TRSUs		1,044,104		1,060,473
Diluted		484,929,605		494,504,504