Earnings Per Share (Tables)

9 Months Ended

Sep. 30, 2016

Earnings Per Share [Abstract]

Schedule of earnings per share

The following table sets forth the computation of basic and diluted earnings per share (shares in thousands):

	Three Months Ended				Nine Months Ended
	September 30,				September 30,
	2016		2015		2016		2015
Numerator:
Net income available to common stockholders	$	187	$	215	413		416
Denominator:
Denominator for basic earnings per share—weighted-average common shares	85,945		94,213		88,175		95,992
Effect of dilutive securities:
Employee stock options	278		291		281		311
4 percent Convertible Senior Notes	—		574		—		786
Restricted stock units	222		113		168		196
Denominator for diluted earnings per share—adjusted weighted-average common shares	86,445		95,191		88,624		97,285
Basic earnings per share	$	2.18	$	2.28	$	4.68	$	4.33
Diluted earnings per share	$	2.16	$	2.25	$	4.66	$	4.27