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Stockholders' Equity (Tables)
9 Months Ended
Sep. 30, 2011
Stockholders' Equity [Abstract] 
Components Of Comprehensive Income
     Three Months Ended
September 30,
    Nine Months Ended
September 30,
 
     2011     2010     2011     2010  

Net income

   $ 737,538      $ 702,163      $ 2,127,300      $ 2,263,384   

Other comprehensive income (loss):

        

Net foreign currency translation gain (loss)

     (3,958     8,025        (1,122     (3,729

Net unrealized gain (loss) on available-for-sale securities, net of related tax effects

     (27,442     8,813        (31,284     13,441   

Net unrealized gain (loss) on cash flow hedges, net of related tax effects

     149,138        (198,977     (14,048     3,531   
  

 

 

   

 

 

   

 

 

   

 

 

 

Total other comprehensive income (loss)

     117,738        (182,139     (46,454     13,243   
  

 

 

   

 

 

   

 

 

   

 

 

 

Comprehensive income

     855,276        520,024        2,080,846        2,276,627   

Comprehensive loss attributable to noncontrolling interest

     3,586        2,713        11,192        8,454   
  

 

 

   

 

 

   

 

 

   

 

 

 

Comprehensive income attributable to Gilead

   $ 858,862      $ 522,737      $ 2,092,038      $ 2,285,081