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

9 Months Ended

Sep. 30, 2017

Earnings Per Share [Abstract]

Earnings Per Common Share Table

	Quarter ended				Year to date
	2017		2016		2017		2016
Income from continuing operations	$	418	$	218	$	904	$	710
Income from discontinued operations	—		422		—		630
Net Income	$	418	$	640	$	904	$	1,340
Weighted-average common shares outstanding (for basic calculation)	345		388		351		404
Effect of dilutive share-based employee compensation	8		7		7		6
Weighted-average common and dilutive potential common shares outstanding (for diluted calculation)	353		395		358		410
Basic EPS from continuing operations	$	1.21	$	0.56	$	2.58	$	1.76
Basic EPS from discontinued operations	N/A		1.09		N/A		1.56
Basic EPS	$	1.21	$	1.65	$	2.58	$	3.32
Diluted EPS from continuing operations	$	1.18	$	0.55	$	2.52	$	1.73
Diluted EPS from discontinued operations	N/A		1.07		N/A		1.54
Diluted EPS	$	1.18	$	1.62	$	2.52	$	3.27
Unexercised employee stock options and stock appreciation rights (in millions) excluded from the diluted EPS computation(a)	1.9		1.7		2.3		6.0

(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.