Exhibit 11

Statements Re: Computation Of Per Share Earnings

	Three months ended September 30,				Nine months ended September 30,
(Dollars in millions except share data)	2010		2009		2010		2009
Numerator:
Net income —basic and diluted	$	156	$	171	$	251	$	187
Denominator:
Weighted-average common shares outstanding		162,668,815		162,627,624		162,788,805		162,556,962
Effect of stock based awards		506,867		273,772		462,823		237,805
Adjusted weighted-average shares		163,175,682		162,901,396		163,251,628		162,794,767
Earnings per share:
Basic	$	0.95	$	1.05	$	1.54	$	1.15
Diluted		0.95		1.05		1.53		1.15
Number of anti-dilutive stock based awards		9,586,532		9,913,628		9,662,270		9,913,628
Exercise price of anti-dilutive stock based awards	$	26.58-45.26	$	25.08-45.26	$	26.58-45.26	$	25.08-45.26

Certain stock-based compensation awards were not included in the computation of diluted earnings per share for the three- and nine-month periods ended September 30, 2010 and 2009, since inclusion of these awards would have anti-dilutive effects.