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Stock-Based Compensation (Tables)
9 Months Ended
Sep. 30, 2014
Share-based Compensation [Abstract]  
Summary of stock-based compensation expense (benefit)
Stock-based compensation expense (benefit), including discontinued operations, was as follows (in millions):
 
Three Months Ended
September 30,
 
Nine Months Ended
September 30,
 
 
 
2014
 
2013
 
2014
 
2013
Stock appreciation rights (a)
$
4

 
$
(18
)
 
$
(2
)
 
$
6

Performance share awards (b)
3

 

 
7

 
10

Market stock units (c)
4

 
5

 
12

 
13

Other stock-based awards (d)
1

 

 
3

 
5

Total Stock-Based Compensation Expense (Benefit)
$
12

 
$
(13
)
 
$
20

 
$
34


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(a)
We paid cash of $22 million and $32 million to settle 0.8 million and 1.4 million SARs that were exercised during the nine months ended September 30, 2014 and 2013, respectively. We had $53 million and $76 million recorded in accrued liabilities associated with our SARs awards at September 30, 2014 and December 31, 2013, respectively.
(b)
We granted 0.2 million performance share awards, including awards with performance and market conditions, at a weighted average grant date fair value of $53.89 per share under the amended and restated 2011 Long-Term Incentive Plan (“2011 Plan”) during the nine months ended September 30, 2014.
(c)
We granted 0.5 million market stock units at a weighted average grant date fair value of $59.83 per unit under the 2011 Plan during the nine months ended September 30, 2014.
(d)
We have aggregated expenses for certain award types as they are not considered significant.