EARNINGS PER COMMON SHARE COMPUTATION

12 Months Ended

Dec. 31, 2016

Detail supporting the computation of basic and diluted earnings per common share was as follows for the years ended December 31, 2016, 2015 and 2014:



	2016		2015		2014
	(dollars in millions, except per common share results, number of shares/options in thousands)
Net income available for common stockholders	$	614	$	1,276	$	1,147
Weighted-average outstanding shares of common stock used to compute basic earnings per common share	149,375		149,455		154,187
Dilutive effect of:
Employee stock options	219		192		230
Restricted stock	1,323		1,495		1,457
Shares used to compute diluted earnings per common share	150,917		151,142		155,874
Basic earnings per common share	$	4.11	$	8.54	$	7.44
Diluted earnings per common share	$	4.07	$	8.44	$	7.36
Number of antidilutive stock options and restricted stock awards excluded from computation	748		415		320