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Leasing Activities (Tables)
6 Months Ended
Jun. 30, 2011
Leasing Activities  
Cross-Border Energy Lease Investments
     June 30,
2011
    December 31,
2010
 
     (millions of dollars)  

Scheduled lease payments to PHI, net of non-recourse debt

   $ 2,119     $ 2,265  

Less: Unearned and deferred income

     (790 )     (842 )
                

Investment in finance leases held in trust

     1,329       1,423  

Less: Deferred income tax liabilities

     (725 )     (816 )
                

Net investment in finance leases held in trust

   $ 604     $ 607  
                
Income Recognized From Cross-Border Energy Lease Investments
     Three Months Ended
June  30,
     Six Months Ended
June  30,
 
     2011      2010      2011      2010  
     (millions of dollars)  

Pre-tax income from PHI's cross-border energy lease investments (included in "Other Revenue")

   $ 14      $ 13       $ 28       $ 26   

Income tax expense related to cross-border energy lease investments

     7        3        10        7   
                                   

Net income from PHI's cross-border energy lease investments

   $ 7       $ 10      $ 18       $ 19  
                                   
Net Investment In Leases By The Published Credit Ratings