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Valuation and Qualifying Accounts
 12 Months Ended
Dec. 31, 2011
Valuation And Qualifying Accounts [Abstract]  
Schedule II - Valuation and Qualifying Accounts Valuation and Qualifying Accounts

Baker Hughes Incorporated

Schedule II - Valuation and Qualifying Accounts

 

                                         
(In millions)   Balance at
Beginning
of Period		     Charged to
Cost and
Expenses		     Write-offs  (1)     Other
Changes  (2)		     Balance at
End of
Period		  
           

Year ended December 31, 2011

                                        

Reserve for doubtful accounts receivable

   $ 162     $ 84     $ (18 )    $ 1     $ 229  

Reserve for inventories

     322       16       (36 )      2       304  
           

Year ended December 31, 2010

                                        

Reserve for doubtful accounts receivable

     157       39       (24 )      (10 )      162  

Reserve for inventories

     297       33       (32 )      24       322  
           

Year ended December 31, 2009

                                        

Reserve for doubtful accounts receivable

     74       94       (12 )      1       157  

Reserve for inventories

     244       101       (53 )      5       297  

 

(1) 

Represents the elimination of accounts receivable and inventory deemed uncollectible or worthless.

(2) 

Represents transfers, currency translation adjustments and divestitures.