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INTEREST AND OTHER FINANCIAL CHARGES
12 Months Ended
Dec. 31, 2011
Interest And Other Financial Charges [Abstract]  
INTEREST AND OTHER FINANCIAL CHARGES

Note 5. Interest and Other Financial Charges

 Years Ended 
 December 31,  
 2011 2010 2009 
Total interest and other financial charges $389 $402 $473 
Less—capitalized interest  (13)  (16)  (15) 
 $376 $386 $458 

The weighted average interest rate on short-term borrowings and commercial paper outstanding at December 31, 2011 and 2010 was 0.84 percent and 1.64 percent, respectively.