Net Income Per Common Share (Tables)

12 Months Ended

Dec. 31, 2011

Calculations for Basic and Diluted Earnings Per Share

The basic and diluted earnings per share are calculated as follows:

	Years ended December 31,
(In millions except per share data)	2011		2010		2009
Numerator:
Net income—basic and diluted	$	166	$	377	$	432
Denominator:
Weighted-average common shares outstanding		162,667,354		162,777,695		162,595,041
Effect of stock-based awards:
Nonvested shares		509,177		484,829		271,822
Stock options		82,691		11,967		-
Adjusted diluted weighted-average shares		163,259,222		163,274,491		162,866,863
Earnings per share:
Basic	$	1.02	$	2.32	$	2.66
Diluted		1.02		2.31		2.65
Number of anti-dilutive stock-based awards		7,757,969		9,538,350		9,875,411