EARNINGS PER COMMON SHARE COMPUTATION

9 Months Ended

Sep. 30, 2016

Detail supporting the computation of basic and diluted earnings per common share was as follows for the three and nine months ended September 30, 2016 and 2015:



	Three months ended September 30,				Nine months ended September 30,
	2016		2015		2016		2015
	(dollars in millions, except per common share results; number of shares in thousands)
Net income available for common stockholders	$	450	$	314	$	1,015	$	1,175
Weighted average outstanding shares of common stock used to compute basic earnings per common share	149,417		148,889		149,321		149,617
Dilutive effect of:
Employee stock options	210		182		216		198
Restricted stock	1,277		1,395		1,332		1,506
Shares used to compute diluted earnings per common share	150,904		150,466		150,869		151,321
Basic earnings per common share	$	3.01	$	2.11	$	6.80	$	7.85
Diluted earnings per common share	$	2.98	$	2.09	$	6.73	$	7.77
Number of antidilutive stock options and restricted stock excluded from computation	658		320		873		451