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Financial Instruments - Long-Term Debt Outstanding Maturities (Detail) (USD $)
In Millions, unless otherwise specified
Dec. 31, 2011
Dec. 31, 2010
Debt Instrument [Line Items]    
2013 $ 3,964  
2014 3,987  
2015 3,074  
2016 4,500  
AFTER 2016 19,406  
TOTAL $ 34,931 [1],[2] $ 38,410 [1],[2]
[1] Includes foreign currency debt with fair values of $919 million at December 31, 2011 and $880 million at December 31, 2010, which are used as hedging instruments.
[2] The fair value of our long-term debt is $40.1 billion at December 31, 2011 and $42.3 billion at December 31, 2010.