Earnings Per Common Share ("EPS") (Tables)

12 Months Ended

Dec. 31, 2020

Earnings Per Share [Abstract]

Earnings Per Common Share

	2020		2019		2018
Net Income	$	904	$	1,294	$	1,542
Weighted-average common shares outstanding (for basic calculation)	302		306		322
Effect of dilutive share-based employee compensation	5		7		7
Weighted-average common and dilutive potential common shares outstanding (for diluted calculation)	307		313		329
Basic EPS	$	2.99	$	4.23	$	4.80
Diluted EPS	$	2.94	$	4.14	$	4.69
Unexercised employee stock options and stock appreciation rights (in millions) excluded from the diluted EPS computation(a)	4.8		2.0		2.0

(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.