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Earnings Per Common Share ("EPS")
6 Months Ended
Jun. 30, 2023
Earnings Per Share [Abstract]  
Earnings Per Common Share (EPS) Earnings Per Common Share (“EPS”)
 Quarter endedYear to date
 2023202220232022
Net Income$418 $224 $718 $623 
Weighted-average common shares outstanding (for basic calculation)281 286 281 288 
Effect of dilutive share-based employee compensation
Weighted-average common and dilutive potential common shares outstanding (for diluted calculation)286 290 286 292 
Basic EPS$1.49 $0.78 $2.55 $2.16 
Diluted EPS$1.46 $0.77 $2.51 $2.13 
Unexercised employee stock options and stock appreciation rights (in millions) excluded from the diluted EPS computation(a)
1.7 2.4 1.6 1.8 

(a)These unexercised employee stock options and stock appreciation rights were not included in the computation of diluted EPS because to do so would have been antidilutive for the periods presented.