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Income Taxes (Tables)
6 Months Ended
Apr. 30, 2011
Income Taxes  
Schedule of current and long-term deferred tax assets and liabilities

 

 
  April 30,
2011
  October 31,
2010
 
 
  In millions
 

Current deferred tax assets

  $ 5,102   $ 5,833  

Current deferred tax liabilities

    (54 )   (53 )

Long-term deferred tax assets

    2,241     2,070  

Long-term deferred tax liabilities

    (5,225 )   (5,239 )
           

Total deferred tax assets net of deferred tax liabilities

  $ 2,064   $ 2,611