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Earnings Per Common Share ("EPS")
3 Months Ended
Mar. 31, 2022
Earnings Per Share [Abstract]  
Earnings Per Common Share (EPS) Earnings Per Common Share (“EPS”)
 Quarter ended
 20222021
Net Income$399 $326 
Weighted-average common shares outstanding (for basic calculation)289 301 
Effect of dilutive share-based employee compensation
Weighted-average common and dilutive potential common shares outstanding (for diluted calculation)294 305 
Basic EPS$1.38 $1.09 
Diluted EPS$1.36 $1.07 
Unexercised employee stock options and stock appreciation rights (in millions) excluded from the diluted EPS computation(a)
1.2 2.3 

(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.