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Share-based payments
 6 Months Ended
Jun. 30, 2024
Share-based Payment Arrangements [Abstract]  
Share-based payments Share-based payments
The following share-based payment amounts are included in the income statements as operating costs.
Three monthsSix months
For the period ended June 302024202320242023
Restricted share units (RSUs) and performance share units (PSUs)(10)(10)(35)(44)
Employee savings plan and deferred share units(8)(8)(17)(17)
Total share-based payments(18)(18)(52)(61)
The following tables summarize the change in outstanding RSUs/PSUs and stock options for the period ended June 30, 2024.
RSUs/PSUs
Number of
RSUs/PSUs
Outstanding, January 1, 20243,412,812 
Granted1,130,718 
Dividends credited 134,118 
Settled(1,269,886)
Forfeited (35,204)
Outstanding, June 30, 20243,372,558 
Stock options
Number of optionsWeighted average exercise price ($)
Outstanding, January 1, 20247,484,561 61 
Forfeited or expired(930,211)59 
Outstanding and exercisable, June 30, 20246,554,350 61