EARNINGS PER COMMON SHARE COMPUTATION

12 Months Ended

Dec. 31, 2015

Detail supporting the computation of basic and diluted earnings per common share was as follows for the years ended December 31, 2015, 2014 and 2013:



	2015		2014		2013
	(dollars in millions, except per common share results, number of shares/options in thousands)
Net income available for common stockholders	$	1,276	$	1,147	$	1,231
Weighted-average outstanding shares of common stock used to compute basic earnings per common share	149,455		154,187		157,503
Dilutive effect of:
Employee stock options	192		230		322
Restricted stock	1,495		1,457		1,326
Shares used to compute diluted earnings per common share	151,142		155,874		159,151
Basic earnings per common share	$	8.54	$	7.44	$	7.81
Diluted earnings per common share	$	8.44	$	7.36	$	7.73
Number of antidilutive stock options and restricted stock awards excluded from computation	415		320		704