v2.4.1.9
Summary of Significant Accounting Policies (Details) (USD $)
In Millions, unless otherwise specified
3 Months Ended 12 Months Ended
Dec. 31, 2014
Sep. 30, 2014
Jun. 30, 2014
Mar. 31, 2014
Dec. 31, 2013
Sep. 30, 2013
Jun. 30, 2013
Mar. 31, 2013
Dec. 31, 2014
Dec. 31, 2013
Dec. 31, 2012
Average Remaining Maturity of Foreign Currency Derivatives                 12 months    
Depreciation                 $ 759.1us-gaap_Depreciation $ 774.8us-gaap_Depreciation $ 754.0us-gaap_Depreciation
Operating Leases, Rent Expense                 227.3us-gaap_LeaseAndRentalExpense 227.2us-gaap_LeaseAndRentalExpense 262.2us-gaap_LeaseAndRentalExpense
Collaboration and other revenue                 788.4us-gaap_OtherSalesRevenueNet 707.5us-gaap_OtherSalesRevenueNet 633.0us-gaap_OtherSalesRevenueNet
Revenue $ 5,121.3us-gaap_Revenues $ 4,875.6us-gaap_Revenues $ 4,935.6us-gaap_Revenues $ 4,683.1us-gaap_Revenues $ 5,808.8us-gaap_Revenues $ 5,772.6us-gaap_Revenues $ 5,929.7us-gaap_Revenues $ 5,602.0us-gaap_Revenues $ 19,615.6us-gaap_Revenues $ 23,113.1us-gaap_Revenues $ 22,603.4us-gaap_Revenues
Minimum [Member]                      
Finite-Lived Intangible Assets, Useful Life, Minimum                 3 years    
Minimum [Member] | Building [Member]                      
Property, Plant and Equipment, Useful Life, Minimum                 12 years    
Minimum [Member] | Equipment [Member]                      
Property, Plant and Equipment, Useful Life, Minimum                 3 years    
Maximum [Member]                      
Finite-Lived Intangible Assets, Useful Life, Minimum                 20 years    
Maximum [Member] | Building [Member]                      
Property, Plant and Equipment, Useful Life, Minimum                 50 years    
Maximum [Member] | Equipment [Member]                      
Property, Plant and Equipment, Useful Life, Minimum                 25 years