Annual report pursuant to Section 13 and 15(d)

Benefit Plans (Details 1)

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Benefit Plans (Details 1) (Employee Stock Option [Member], USD $)
In Thousands, except Share data, unless otherwise specified
 12 Months Ended
Dec. 31, 2013
Dec. 31, 2012
Dec. 31, 2011
Employee Stock Option [Member]
      
Options      
Outstanding, options, beginning balance (in shares) 274,512,000 439,580,000 401,870,000
Granted, options (in shares) 57,228,000 58,626,000 77,450,000
Exercised, options (in shares) (61,056,000) (214,199,000) (13,300,000)
Forfeited, cancelled or expired, options (in shares) (6,445,000) (9,495,000) (26,440,000)
Outstanding, options, ending balance (in shares) 264,239,000 274,512,000 439,580,000
Exercisable, options (in shares) 114,278,000    
Weighted- Average Exercise Price (1)      
Outstanding, weighted-average exercise price, beginning balance (in dollars per share) $ 1.92 [1] $ 1.25 $ 1.32
Granted, weighted-average exercise price (in dollars per share) $ 3.59 $ 2.53 $ 1.80
Exercised, weighted-average exercise price (in dollars per share) $ 1.31 $ 0.59 $ 0.87
Forfeited, cancelled or expired, weighted-average exercise price (in dollars per share) $ 2.02 $ 3.09 $ 4.15
Outstanding, weighted-average exercise price, ending balance (in dollars per share) $ 2.42 $ 1.92 [1] $ 1.25
Exercisable, weighted-average exercise price (in dollars per share) $ 2.26    
Outstanding, weighted average remaining contractual term 7 years 1 month 13 days    
Exercisable, weighted average remaining contractual term 5 years 3 months 15 days    
Outstanding, aggregate intrinsic value $ 327,398    
Exercisable, aggregate intrinsic value $ 179,549    
[1] The weighted-average exercise price for options outstanding as of December 28, 2012 were adjusted in 2012 to reflect the reduction to the exercise price related to the December 2012 special cash dividend.