EARNINGS PER SHARE (Tables)

3 Months Ended

Mar. 31, 2018

Earnings Per Share [Abstract]

Schedule of earnings per share

	Three Months Ended March 31,
(in millions, except share and per-share data)	2018		2017
Numerator (basic and diluted):
Net income		$388		$320
Less: Preferred stock dividends	7		7
Net income available to common stockholders		$381		$313
Denominator:
Weighted-average common shares outstanding - basic	487,500,618		509,451,450
Dilutive common shares: share-based awards	1,766,208		1,896,750
Weighted-average common shares outstanding - diluted	489,266,826		511,348,200
Earnings per common share:
Basic		$0.78		$0.61
Diluted	0.78		0.61