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

3 Months Ended

Mar. 31, 2018

Earnings Per Share [Abstract]

Earnings Per Common Share Table

	Quarter ended
	2018		2017
Net Income	$	433	$	280
Weighted-average common shares outstanding (for basic calculation)	332		357
Effect of dilutive share-based employee compensation	8		7
Weighted-average common and dilutive potential common shares outstanding (for diluted calculation)	340		364
Basic EPS	$	1.30	$	0.78
Diluted EPS	$	1.27	$	0.77
Unexercised employee stock options and stock appreciation rights (in millions) excluded from the diluted EPS computation(a)	2.3		1.7

(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.