Earnings Per Share (Tables)

9 Months Ended

Sep. 30, 2019

Earnings Per Share [Abstract]

Reconciliation of Numerators and Denominators of Earnings Per Share Calculations [Table Text Block]

Reconciliation of the numerators and denominators of the earnings per share calculations — 

	Three Months Ended September 30,				Nine Months Ended September 30,
	2019		2018		2019		2018
Net income available to common stockholders - Numerator basic and diluted	$	111	$	95	$	141	$	327
Denominator:
Weighted-average common shares outstanding - Basic	144.0		144.7		144.0		145.1
Employee compensation-related shares, including stock options	0.8		1.2		0.8		1.5
Weighted-average common shares outstanding - Diluted	144.8		145.9		144.8		146.6