Net Income Per Common Share (Tables)

6 Months Ended

Jun. 30, 2014

Earnings Per Share [Abstract]

Calculations For Basic And Diluted Earnings Per Share

The table shows calculations for basic and diluted earnings per share:

(In millions except per share data)	Three months ended June 30,				Six months ended June 30,
	2014		2013		2014		2013
Numerator:
Net income—basic and diluted	$	84	$	110	$	175	$	264
Denominator:
Basic weighted-average common shares outstanding	163.5		163.5		163.5		163.3
Effect of stock-based awards:
Stock options	1.0		1.2		1.0		1.1
Nonvested shares	0.6		0.7		0.6		0.7
Adjusted diluted weighted-average shares	165.1		165.4		165.1		165.2
Earnings per share:
Basic	$	0.51	$	0.67	$	1.07	$	1.62
Diluted	0.51		0.66		1.06		1.60
Number of anti-dilutive share-based awards	0.7		0.3		0.7		0.4