EARNINGS PER SHARE (Tables)

9 Months Ended

Sep. 30, 2016

Earnings Per Share [Abstract]

Schedule of earnings per share

	Three Months Ended September 30,				Nine Months Ended September 30,
(dollars in millions, except share and per-share data)	2016		2015		2016		2015
Numerator (basic and diluted):
Net income		$297		$220		$763		$619
Less: Preferred stock dividends	7		7		14		7
Net income available to common stockholders		$290		$213		$749		$612
Denominator:
Weighted-average common shares outstanding - basic	519,458,976		530,985,255		525,477,273		538,279,222
Dilutive common shares: share-based awards	1,663,490		2,412,903		1,784,111		2,647,139
Weighted-average common shares outstanding - diluted	521,122,466		533,398,158		527,261,384		540,926,361
Earnings per common share:
Basic		$0.56		$0.40		$1.43		$1.14
Diluted	0.56		0.40		1.42		1.13