Note 3. Earnings Per Common Share ("EPS") Earnings Per Common Share ("EPS") (Tables)

9 Months Ended

Sep. 30, 2019

Earnings Per Share [Abstract]

Schedule of Earnings Per Share, Basic and Diluted [Table Text Block]

	Quarter ended				Year to date
	2019		2018		2019		2018
Net Income	$	255	$	454	$	806	$	1,208
Weighted-average common shares outstanding (for basic calculation)	306		318		307		325
Effect of dilutive share-based employee compensation	7		7		7		7
Weighted-average common and dilutive potential common shares outstanding (for diluted calculation)	313		325		314		332
Basic EPS	$	0.83	$	1.43	$	2.63	$	3.72
Diluted EPS	$	0.81	$	1.40	$	2.57	$	3.64
Unexercised employee stock options and stock appreciation rights (in millions) excluded from the diluted EPS computation(a)	0.1		2.2		1.9		1.9

(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.