v2.4.0.8
Goodwill and Intangible Assets (Details 3) (USD $)
 6 Months Ended
Jun. 30, 2014
Dec. 31, 2013
Goodwill and Intangible Assets    
Gross amount of amortizable intangible assets $ 12,300,000,000 $ 12,200,000,000
Accumulated amortization of intangible assets 7,000,000,000 6,800,000,000
Indefinite-lived intangible assets related to in-process research and development acquired in a business combination 114,000,000 266,000,000
Estimated annual amortization expense, intangible assets, 2014 655,000,000  
Estimated annual amortization expense, intangible assets, 2015 615,000,000  
Estimated annual amortization expense, intangible assets, 2016 590,000,000  
Estimated annual amortization expense, intangible assets, 2017 575,000,000  
Estimated annual amortization expense, intangible assets, 2018 $ 500,000,000  
Average amortization period, intangible assets 11 years  
Minimum
    
Goodwill and Intangible Assets    
Average amortization period, intangible assets 2 years  
Maximum
    
Goodwill and Intangible Assets    
Average amortization period, intangible assets 20 years