EARNINGS PER COMMON SHARE COMPUTATION (Tables)

6 Months Ended

Jun. 30, 2018

Earnings Per Share [Abstract]

Schedule of Details Supporting Computation of Earnings Per Share

Detail supporting the computation of basic and diluted earnings per common share was as follows for the three and six months ended June 30, 2018 and 2017:

	Three months ended June 30,				Six months ended June 30,
	2018		2017		2018		2017
	(dollars in millions, except per common share results; number of shares in thousands)
Net income available for common stockholders	$	193	$	650	$	684	$	1,765
Weighted average outstanding shares of common stock used to compute basic earnings per common share	137,763		144,600		137,833		146,212
Dilutive effect of:
Employee stock options	197		158		205		179
Restricted stock	616		876		665		862
Shares used to compute diluted earnings per common share	138,576		145,634		138,703		147,253
Basic earnings per common share	$	1.40	$	4.49	$	4.96	$	12.07
Diluted earnings per common share	$	1.39	$	4.46	$	4.93	$	11.98
Number of antidilutive stock options and restricted stock excluded from computation	171		449		408		693