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Commitments and Contingencies (Tables)
12 Months Ended
Dec. 31, 2015
Commitments and Contingencies Disclosure [Abstract]  
Contractual Obligations

At December 31, 2015, contractual obligations for drilling rigs, purchase obligations, firm transportation agreements, and long-term operating leases are as follows:

 

Net Minimum Commitments

   Total      2016      2017-2018      2019-2020      2021 &
Beyond
 
     (In millions)  

Drilling rig commitments

   $ 405       $ 194       $ 211       $      $  

Purchase obligations(1)

     354         28         115         139         72   

Firm transportation agreements

     363         96         125         83         59   

Office and related equipment

     342         43         87         72         140   

Other operating lease obligations(2)

     64         22         35                 
  

 

 

    

 

 

    

 

 

    

 

 

    

 

 

 

Total Net Minimum Commitments

   $         1,528       $         383       $         573       $         300       $         272   
  

 

 

    

 

 

    

 

 

    

 

 

    

 

 

 

 

  (1) 

Includes contractual obligations under take-or-pay contracts, NGL processing agreements, and drilling work program commitments.

 

(2) 

Includes commitments associated with supply and standby vessels, and gas pipeline and land leases.