v2.4.0.6
Segment Information (Schedule Of Product Sales) (Details) (USD $)
In Thousands, unless otherwise specified
12 Months Ended
Dec. 31, 2011
Dec. 31, 2010
Dec. 31, 2009
Segment Reporting Information [Line Items]      
Product sales $ 8,102,359 $ 7,389,921 $ 6,469,311
AmBisome [Member]
     
Segment Reporting Information [Line Items]      
Product sales 330,156 305,856 298,597
Letairis [Member]
     
Segment Reporting Information [Line Items]      
Product sales 293,426 240,279 183,949
Ranexa [Member]
     
Segment Reporting Information [Line Items]      
Product sales 320,004 239,832 131,062
Other Products [Member]
     
Segment Reporting Information [Line Items]      
Product sales 109,057 66,956 16,829
Antiviral Products [Member]
     
Segment Reporting Information [Line Items]      
Product sales 7,049,716 6,536,998 5,838,874
Antiviral Products [Member] | Atripla [Member]
     
Segment Reporting Information [Line Items]      
Product sales 3,224,518 2,926,579 2,382,113
Antiviral Products [Member] | Truvada [Member]
     
Segment Reporting Information [Line Items]      
Product sales 2,875,141 2,649,908 2,489,682
Antiviral Products [Member] | Viread [Member]
     
Segment Reporting Information [Line Items]      
Product sales 737,867 732,240 667,510
Antiviral Products [Member] | Hepsera [Member]
     
Segment Reporting Information [Line Items]      
Product sales 144,679 200,592 271,595
Antiviral Products [Member] | Complera [Member]
     
Segment Reporting Information [Line Items]      
Product sales 38,747 0 0
Antiviral Products [Member] | Emtriva [Member]
     
Segment Reporting Information [Line Items]      
Product sales $ 28,764 $ 27,679 $ 27,974