Annual report pursuant to Section 13 and 15(d)

Intangible Assets (Narrative) (Details)

v2.4.0.6
Intangible Assets (Narrative) (Details) (USD $)
In Millions, unless otherwise specified
12 Months Ended
Dec. 31, 2011
Dec. 31, 2010
Dec. 31, 2009
Goodwill and Intangible Assets Disclosure [Abstract]      
Amortization expense for intangible assets with finite useful lives $ 490 $ 426 $ 422
Finite-Lived Intangible Assets [Line Items]      
Finite-Lived Intangible Assets, Gross 5,523 5,481  
Finite-Lived Intangible Assets, Accumulated Amortization (3,314) (2,886)  
Finite-Lived Intangible Assets, Net 2,209 2,595  
Distribution Rights [Member]
     
Finite-Lived Intangible Assets [Line Items]      
Finite-Lived Intangible Assets, Gross 2,305 2,313  
Finite-Lived Intangible Assets, Accumulated Amortization (1,391) (1,233)  
Finite-Lived Intangible Assets, Net 914 1,080  
Customer Relationships [Member]
     
Finite-Lived Intangible Assets [Line Items]      
Finite-Lived Intangible Assets, Gross 2,618 2,597  
Finite-Lived Intangible Assets, Accumulated Amortization (1,535) (1,333)  
Finite-Lived Intangible Assets, Net 1,083 1,264  
Other [Member]
     
Finite-Lived Intangible Assets [Line Items]      
Finite-Lived Intangible Assets, Gross 600 571  
Finite-Lived Intangible Assets, Accumulated Amortization (388) (320)  
Finite-Lived Intangible Assets, Net $ 212 $ 251