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Note 11: Guarantees (Tables)
6 Months Ended
Jun. 30, 2011
Notes to Condensed Consolidated Financial Statements [Abstract]  
Product Warranty Disclosure [Text Block]
(Dollars in millions) 2011 2010
Balance as of January 1 $ 1,136 $ 1,072
Warranties and performance guarantees issued   289   189
Settlements made   (253)   (174)
Other   325   2
Balance as of June 30 $ 1,497 $ 1,089