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Property, Plant and Equipment (Detail) (USD $)
In Millions, unless otherwise specified
 12 Months Ended
Dec. 31, 2011
Dec. 31, 2010
Dec. 31, 2011
Building [Member]
Year
Dec. 31, 2011
Machinery and equipment [Member]
Year
Dec. 31, 2011
Furniture, fixtures and other [Member]
Year
Property, Plant and Equipment [Line Items]          
USEFUL LIVES (YEARS), MINIMUM     33.33 8.00 3.00
USEFUL LIVES (YEARS), MAXIMUM     50.0 20.0 12.5
Land $ 747 $ 791      
Buildings 12,804 13,200      
Machinery and equipment 11,541 11,744      
Furniture, fixtures and other 4,291 4,643      
Construction in progress 1,139 999      
Total property, plant and equipment before accumulated depreciation 30,522 31,377      
Less: Accumulated depreciation 13,584 12,732      
Total property, plant and equipment $ 16,938 [1] $ 18,645 [1]      
[1] The decrease in total property, plant and equipment is primarily due to depreciation, disposals and impairments, partially offset by capital additions, the impact of foreign exchange and the acquisition of King (see Note 2B. Acquisitions, Divestitures, Collaborative Arrangements and Equity-Method Investments: Acquisition of King Pharmaceuticals, Inc.).