v3.20.1
Financial Instruments and Fair Value Measures - Financial Instruments (Details)
£ in Millions, SFr in Millions, $ in Millions
3 Months Ended
Mar. 31, 2020
USD ($)
Mar. 31, 2020
GBP (£)
Mar. 31, 2020
EUR (€)
Mar. 31, 2020
CHF (SFr)
Dec. 31, 2019
USD ($)
Dec. 31, 2019
GBP (£)
Dec. 31, 2019
EUR (€)
Dec. 31, 2019
CHF (SFr)
Sep. 30, 2019
USD ($)
Derivative instruments, notional amount and fair value                  
Fair value - Derivatives in asset position $ 235       $ 53        
Fair value - Derivatives in liability position 57       132        
Designated as hedging instrument | Net investment hedges | Senior notes                  
Derivative instruments, notional amount and fair value                  
Principal amount of unsecured senior notes | €     € 3,600,000,000       € 3,600,000,000    
Designated as hedging instrument | Foreign currency forward exchange contracts | Cash flow hedges                  
Derivative instruments, notional amount and fair value                  
Notional amount of derivative instruments $ 842       957        
Duration of forward exchange contracts 18 months                
Approximate length of time over which accumulated gains and losses will be recognized in Cost of products sold 6 months                
Designated as hedging instrument | Foreign currency forward exchange contracts | Cash flow hedges | Prepaid expenses and other                  
Derivative instruments, notional amount and fair value                  
Fair value - Derivatives in asset position $ 35       3        
Designated as hedging instrument | Foreign currency forward exchange contracts | Cash flow hedges | Accounts payable and accrued liabilities                  
Derivative instruments, notional amount and fair value                  
Fair value - Derivatives in liability position 0       14        
Designated as hedging instrument | Foreign currency forward exchange contracts | Cash flow hedges | Other assets                  
Derivative instruments, notional amount and fair value                  
Fair value - Derivatives in asset position 2       0        
Designated as hedging instrument | Foreign currency forward exchange contracts | Cash flow hedges | Other long-term liabilities                  
Derivative instruments, notional amount and fair value                  
Fair value - Derivatives in liability position 0       0        
Designated as hedging instrument | Foreign currency forward exchange contracts | Net investment hedges                  
Derivative instruments, notional amount and fair value                  
Notional amount of derivative instruments   £ 204 € 971,000,000 SFr 62   £ 204 € 971,000,000 SFr 62  
Designated as hedging instrument | Foreign currency forward exchange contracts | Net investment hedges | Prepaid expenses and other                  
Derivative instruments, notional amount and fair value                  
Fair value - Derivatives in asset position 22       0        
Designated as hedging instrument | Foreign currency forward exchange contracts | Net investment hedges | Accounts payable and accrued liabilities                  
Derivative instruments, notional amount and fair value                  
Fair value - Derivatives in liability position 1       24        
Designated as hedging instrument | Treasury rate lock agreements | Cash flow hedges                  
Derivative instruments, notional amount and fair value                  
Notional amount of derivative instruments                 $ 10,000
Designated as hedging instrument | Interest rate contracts | Cash flow hedges                  
Derivative instruments, notional amount and fair value                  
Notional amount of derivative instruments 2,300                
Designated as hedging instrument | Interest rate contracts | Cash flow hedges | Other assets                  
Derivative instruments, notional amount and fair value                  
Fair value - Derivatives in asset position 0       3        
Designated as hedging instrument | Interest rate contracts | Cash flow hedges | Other long-term liabilities                  
Derivative instruments, notional amount and fair value                  
Fair value - Derivatives in liability position 44       0        
Designated as hedging instrument | Interest rate contracts | Fair value hedges                  
Derivative instruments, notional amount and fair value                  
Notional amount of derivative instruments 6,300       10,800        
Designated as hedging instrument | Interest rate contracts | Fair value hedges | Prepaid expenses and other                  
Derivative instruments, notional amount and fair value                  
Fair value - Derivatives in asset position 0       0        
Designated as hedging instrument | Interest rate contracts | Fair value hedges | Accounts payable and accrued liabilities                  
Derivative instruments, notional amount and fair value                  
Fair value - Derivatives in liability position 0       2        
Designated as hedging instrument | Interest rate contracts | Fair value hedges | Other assets                  
Derivative instruments, notional amount and fair value                  
Fair value - Derivatives in asset position 133       28        
Designated as hedging instrument | Interest rate contracts | Fair value hedges | Other long-term liabilities                  
Derivative instruments, notional amount and fair value                  
Fair value - Derivatives in liability position 0       74        
Not designated as hedging instrument | Foreign currency forward exchange contracts                  
Derivative instruments, notional amount and fair value                  
Notional amount of derivative instruments 8,200       7,100        
Not designated as hedging instrument | Foreign currency forward exchange contracts | Prepaid expenses and other                  
Derivative instruments, notional amount and fair value                  
Fair value - Derivatives in asset position 43       19        
Not designated as hedging instrument | Foreign currency forward exchange contracts | Accounts payable and accrued liabilities                  
Derivative instruments, notional amount and fair value                  
Fair value - Derivatives in liability position $ 12       $ 18