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EARNINGS PER SHARE
 12 Months Ended
Dec. 31, 2015
Earnings Per Share [Abstract]  
EARNINGS PER SHARE
EARNINGS PER SHARE
 
Year Ended December 31,
(dollars in millions, except share and per-share data)
2015

 
2014

 
2013

Numerator (basic and diluted):
 
 
 
 
 
Net income (loss)

$840

 

$865

 

($3,426
)
Less: Preferred stock dividends
7

 
—

 
—

Net income (loss) available to common stockholders

$833

 

$865

 

($3,426
)
Denominator:
 
 
 
 
 
Weighted-average common shares outstanding - basic
535,599,731

 
556,674,146

 
559,998,324

Dilutive common shares: share-based awards
2,621,167

 
1,050,790

 
—

Weighted-average common shares outstanding - diluted
538,220,898

 
557,724,936

 
559,998,324

Earnings (loss) per common share:
 
 
 
 
 
Basic

$1.55

 

$1.55

 

($6.12
)
Diluted
1.55

 
1.55

 
(6.12
)

Basic EPS is computed by dividing net income available to common stockholders by the weighted-average number of common shares outstanding during each period. Diluted EPS is computed by dividing net income available to common stockholders by the weighted-average number of common shares outstanding during each period, plus the effect of potential dilutive common shares such as share-based awards, using the treasury stock method. Potential dilutive common shares are excluded from the computation of diluted EPS in the periods where the effect would be antidilutive.
On August 22, 2014, the Company declared and made effective a 165,582-for-1 forward stock split of common stock. As a result, all share and per share data have been restated to reflect the effect of the split.