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Derivative Financial Instruments
9 Months Ended
Sep. 30, 2011
Derivative Financial Instruments [Abstract] 
Derivative Financial Instruments

Note 5 – Derivative Financial Instruments

We primarily use derivative instruments to manage exposures to interest rate risk. We enter into interest rate swap contracts to hedge interest rate risk associated with our debt obligations. These interest rate swap contracts are designated as cash flow hedges or fair value hedges. Our contracts entered into as of September 30, 2011 do not require collateral or other security from either party.

The fair values of derivative instruments included in the Consolidated Balance Sheets were as follows:

 

September 30, 2011    Other Assets      Other Liabilities  

Derivatives designated as fair value hedging instruments - Interest rate swaps

   $ 31       $   

 

 

December 31, 2010

                 

Derivatives designated as fair value hedging instruments - Interest rate swaps

   $ 24       $   

 

 

The notional amount of our interest rate swaps is disclosed in Note 4 – Debt.

For our fair value hedges that qualify for hedge accounting treatment we use the short-cut method and thus there are no gains or losses recognized due to hedge ineffectiveness. Under short-cut hedge accounting treatment, the change in fair value of the interest rate swap is assumed to perfectly offset the change in fair value of the hedged debt. For the nine months ended September 30, 2011 and 2010 gains from changes in the fair value of $16 and $51 were recognized in interest expense with a corresponding offset due to changes in the fair value of the hedged underlying debt, resulting in zero net impact to interest expense.