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 |