|
Financial Instruments (Narrative) (Details) (USD $)
In Billions, unless otherwise specified |
Sep. 30, 2014
|
Dec. 31, 2013
|
|---|---|---|
| Notes to Condensed Consolidated Financial Statements [Abstract] | ||
| Four Quarter Rolling Average of Notional Amount of Foreign Exchange Contracts Hedging Foreign Currency Transactions | $ 13.0 | $ 12.3 |