v3.7.0.1
Derivative Instruments and Hedging Activities (Schedule Of Other Comprehensive Income And Earnings From Foreign Exchange Contracts) (Details) - USD ($)
$ in Millions
3 Months Ended
Mar. 31, 2017
Mar. 31, 2016
Derivative Instruments, Gain (Loss) [Line Items]    
Gain (loss) recognized in AOCI, net of tax $ (16) $ (49)
Gain reclassified from AOCI to net product sales (effective portion), net of tax 13 15
Interest Rate Contract [Member] | Cash Flow Hedging [Member]    
Derivative Instruments, Gain (Loss) [Line Items]    
Gain (loss) recognized in AOCI, net of tax 1 0
Interest Rate Contract [Member] | Interest Expense [Member] | Cash Flow Hedging [Member]    
Derivative Instruments, Gain (Loss) [Line Items]    
Gain reclassified from AOCI to net product sales (effective portion), net of tax $ 0 $ 0