Earnings Per Share (Tables)

6 Months Ended

Jun. 30, 2017

Earnings Per Share [Abstract]

Schedule of Earnings Per Share Reconciliation

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

	Three Months Ended June 30,				Six Months Ended June 30,
	2017		2016		2017		2016
Basic:
Net income	$	193	$	133	$	338	$	286
Preferred stock dividends	—		—		13		—
Net income available to common shareholders	$	193	$	133	$	325	$	286
Basic weighted-average shares outstanding (in thousands)	275,410		277,013		275,167		281,141
Basic earnings per common share	$	0.70	$	0.48	$	1.18	$	1.02
Diluted:
Net income	$	193	$	133	$	338	$	286
Preferred stock dividends	—		—		13		—
Net income available to common shareholders	$	193	$	133	$	325	$	286
Basic weighted-average shares outstanding (in thousands)	275,410		277,013		275,167		281,141
Effect of dilutive securities:
Weighted-average restricted stock and options issued to employees (in thousands)	843		646		1,048		828
Weighted-average convertible debentures (in thousands)	19		319		155		457
Diluted weighted-average shares outstanding (in thousands)	276,272		277,978		276,370		282,426
Diluted earnings per common share	$	0.70	$	0.48	$	1.17	$	1.01