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Stock Compensation Plans (Tables)
 3 Months Ended
Mar. 31, 2013
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]  
Stock based Compensation Plans
 
Three Months Ended March 31,
 
 
2013
2012
Stock-based compensation plans (benefit)/expense
$
2

$
13

Income tax (benefit)/expense
(1
)
(5
)
Total stock-based compensation plans (benefit)/expense, net of tax
$
1

$
8