EARNINGS PER SHARE (Tables)

6 Months Ended

Jun. 30, 2016

Earnings Per Share [Abstract]

Schedule of earnings per share

	Three Months Ended June 30,				Six Months Ended June 30,
(dollars in millions, except share and per-share data)	2016		2015		2016		2015
Numerator (basic and diluted):
Net income		$243		$190		$466		$399
Less: Preferred stock dividends	—		—		7		—
Net income available to common stockholders		$243		$190		$459		$399
Denominator:
Weighted-average common shares outstanding - basic	528,968,330		537,729,248		528,519,489		541,986,653
Dilutive common shares: share-based awards	1,396,873		2,180,118		1,877,382		2,817,615
Weighted-average common shares outstanding - diluted	530,365,203		539,909,366		530,396,871		544,804,268
Earnings per common share:
Basic		$0.46		$0.35		$0.87		$0.74
Diluted	0.46		0.35		0.87		0.73