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Income Taxes (Tables)
3 Months Ended
Mar. 31, 2012
Income Taxes [Abstract]  
Income Tax Payments, Net Of Refunds
     Three Months Ended
March  31,
 

In millions

   2012      2011  

Income tax payments (refunds)

   $ 5       $ (92
Unrecognized Tax Benefits and Related Accrued Estimated Interest And Penalties
Components Of Net Income Tax Provisions Related To Special Items And Discontinued Operations
     Three Months Ended
March  31,
 

In millions

   2012     2011  

Special items and other charges:

    

Restructuring and other charges

   $ (28   $ 5   

Tax-related adjustments:

    

Temple-Inland acquistion

     3        0   

Expired tax contingency reserves

     0        (15
  

 

 

   

 

 

 

Income tax provision (benefit) related to special items and discontinued operations

   $ (25   $ (10