v2.3.0.11
Fair Value Measurements (Tables)
6 Months Ended
Jun. 30, 2011
Fair Value Measurements  
Schedule of Assets and Liabilities Measured at Fair Value on a Recurring Basis and Subject to Fair Value Disclosure Requirements
            Fair Value Measurements at Reporting Date Using  
In millions    June 30, 2011      Quoted Prices in
Active Markets
for Identical
Assets

(Level 1)
     Significant
Other
Observable
Inputs
(Level 2)
     Signficant
Unobservable
Inputs

(Level 3)
 

Assets

           

Money market funds

   $ 251       $ 251       $ 0       $ 0   
                                   

The Company's assets and liabilities measured at fair value on a recurring basis at December 31, 2010 were as follows:

 

            Fair Value Measurements at Reporting Date Using  
In millions    December 31, 2010      Quoted Prices in
Active Markets
for Identical
Assets

(Level 1)
     Significant
Other
Observable
Inputs
(Level 2)
     Signficant
Unobservable
Inputs

(Level 3)
 

Assets

           

Money market funds

   $ 534       $ 534       $ 0       $ 0