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Restructuring Charges And Other Items (Tables)
12 Months Ended
Dec. 31, 2011
Dec. 31, 2010
Dec. 31, 2009
Restructuring Charges And Other Items [Abstract]      
Restructuring And Other Charges
Rollforward Of The Severance And Other Costs
In millions   

Severance

and Other

 

Opening balance (recorded first quarter 2011)

   $ 7   

Additions and adjustments

     18   

Cash charges in 2011

     (16

Balance, December 31, 2011

   $ 9   
In millions   

Severance

and Other

 

Opening balance (recorded first quarter 2009)

   $ 74   

Additions and adjustments

     177   

Cash charges in 2009

     (82

Pension and postretirement termination benefits

     (85

Cash charges in 2010

     (84

Balance, December 31, 2010

   $ 0