XML 47 R27.htm IDEA: XBRL DOCUMENT v3.25.0.1
Earnings Per Common Share
12 Months Ended
Dec. 31, 2024
Earnings Per Share [Abstract]  
Earnings Per Common Share EARNINGS PER COMMON SHARE
Diluted earnings per share ("EPS") was calculated using the treasury stock method for stock options.
20242023
Net EarningsWeightedNet EarningsWeighted
to CommonAverageto CommonAverage
ShareholdersSharesEPSShareholdersSharesEPS
($ millions)(# millions)($)($ millions)(# millions)($)
Basic EPS1,606 495.0 3.24 1,506 486.3 3.10 
Potential dilutive effect of stock options (Note 20)
 0.2  — 0.2 — 
Diluted EPS1,606 495.2 3.24 1,506 486.5 3.10