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Leased Facilities
12 Months Ended
Dec. 31, 2011
Leased Facilities [Abstract]  
Leased Facilities

10. Leased Facilities

At December 31, 2011, the Corporation and its consolidated subsidiaries held noncancelable operating charters and leases covering drilling equipment, tankers, service stations and other properties with minimum undiscounted lease commitments totaling $7,914 million as indicated in the table. Estimated related rental income from noncancelable subleases is $107 million.

 

    

Lease Payments

Under Minimum

Commitments

      

Related

Sublease
Rental

Income

 
    (millions of dollars)  

2012

  $ 2,152         $ 18   

2013

    1,696           17   

2014

    1,219           15   

2015

    802           12   

2016

    415           10   

2017 and beyond

    1,630           35   

Total

  $ 7,914         $ 107   

Net rental cost under both cancelable and noncancelable operating leases incurred during 2011, 2010 and 2009 were as follows:

 

     2011        2010        2009  
    (millions of dollars)  

Rental cost

  $ 4,061         $ 3,762         $ 4,426   

Less sublease rental income

    74           90           98   

Net rental cost

  $ 3,987         $ 3,672         $ 4,328