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Earnings (Loss) Per Share (Tables)
 9 Months Ended
Sep. 30, 2013
Earnings Per Share [Abstract]  
Computations Of Basic And Diluted Earnings (Loss) Per Share
The following table sets forth the computations of basic and diluted earnings (loss) per share (in millions, except per share data):
 
Three Months Ended September 30,

Nine Months Ended September 30,
 
2013
 
2012
 
2013
 
2012
Numerator:
 
 
 
 
 
 
 
Net earnings (loss)—numerator for basic earnings (loss) per share
$
289

 
$
(238
)
 
$
167

 
$
(2,139
)
Interest on senior convertible notes (1)
7

 
—

 
22

 
—

Net earnings (loss) adjusted for interest on senior convertible notes
$
296

 
$
(238
)
 
$
189

 
$
(2,139
)
Denominator:
 
 
 
 
 
 
 
Denominator for basic earnings (loss) per share—weighted-average shares
336

 
335

 
335

 
335

Effect of dilutive securities:
 
 
 
 
 
 
 
Senior convertible notes
46

 
—

 
46

 
—

Employee options and shares
8

 
—

 
8

 
—

Assumed treasury shares purchased
(2
)
 
—

 
(2
)
 
—

Dilutive potential common shares
388

 
335

 
387

 
335

Denominator for diluted earnings (loss) per share—adjusted weighted-average shares
388

 
335

 
387

 
335

Basic earnings (loss) per share
$
0.86

 
$
(0.71
)
 
$
0.50

 
$
(6.38
)
Diluted earnings (loss) per share
$
0.76

 
$
(0.71
)
 
$
0.49

 
$
(6.38
)
The following were excluded from the calculation:
 
 
 
 
 
 
 
Convertible notes, employee stock options and deferred stock because inclusion would be anti-dilutive
—

 
46

 
—

 
46

Employee stock options because the options’ exercise prices were greater than the average market price of shares
9

 
23

 
13

 
23