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Earnings (Loss) Per Share (Tables)
 6 Months Ended
Jun. 30, 2012
Earnings Per Share [Abstract]  
Schedule of Earnings Per Share, Basic and Diluted [Table Text Block]
The following table shows the computation of basic and diluted earnings (loss) per share:
 
Three Months Ended June 30,
Six Months Ended June 30,
(in millions, except per share data)
2012
2011
2012
2011
Net income (loss)
$
(168
)
$
198

$
(44
)
$
(120
)
 
 
 
 
 
Basic weighted average shares outstanding
845

838

844

838

Dilutive effect of share based awards
—

6

—

—

Diluted weighted average shares outstanding
845

844

844

838

 
 
 
 
 
Basic earnings (loss) per share
$
(0.20
)
$
0.24

$
(0.05
)
$
(0.14
)
Diluted earnings (loss) per share
$
(0.20
)
$
0.23

$
(0.05
)
$
(0.14
)
 
 
 
 
 
Antidilutive common stock equivalents excluded from diluted earnings (loss) per share
23

25

23

31