Earnings Per Share (Tables)

3 Months Ended

Mar. 31, 2016

Earnings Per Share [Abstract]

Schedule of Earnings Per Share Reconciliation

The following table presents a reconciliation of basic and diluted earnings per share (in millions, except share data and per share amounts):

	Three Months Ended March 31,
	2016		2015
Basic:
Net income	$	153	$	40
Basic weighted-average shares outstanding (in thousands)	285,274		289,741
Basic earnings per share	$	0.54	$	0.14
Diluted:
Net income	$	153	$	40
Basic weighted-average shares outstanding (in thousands)	285,274		289,741
Effect of dilutive securities:
Weighted-average convertible debentures (in thousands)	597		3,640
Weighted-average options and restricted stock issued to employees (in thousands)	809		1,341
Diluted weighted-average shares outstanding (in thousands)	286,680		294,722
Diluted earnings per share	$	0.53	$	0.14