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

6 Months Ended

Jun. 30, 2020

Earnings Per Share [Abstract]

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

	Quarter ended				Year to date
	2020		2019		2020		2019
Net Income	$	206	$	289	$	289	$	551
Weighted-average common shares outstanding (for basic calculation)	303		307		302		307
Effect of dilutive share-based employee compensation	4		7		5		7
Weighted-average common and dilutive potential common shares outstanding (for diluted calculation)	307		314		307		314
Basic EPS	$	0.68	$	0.94	$	0.96	$	1.79
Diluted EPS	$	0.67	$	0.92	$	0.94	$	1.75
Unexercised employee stock options and stock appreciation rights (in millions) excluded from the diluted EPS computation(a)	5.2		2.3		4.7		1.8

(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.