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Asset Retirement Obligations
6 Months Ended
Jun. 30, 2012
Asset Retirement Obligations [Abstract]  
Asset Retirement Obligations

14. Asset Retirement Obligations

 

The schedule below summarizes changes in Devon’s asset retirement obligations.

 

 

 

 

 

Six Months Ended June 30,

 

2012

2011

 

(In millions)

Asset retirement obligations as of beginning of period.............................

$               1,563

$               1,497

Liabilities incurred........................................................................................

                       33

                       23

Liabilities settled...........................................................................................

                      (34)

                      (39)

Revision of estimated obligation...............................................................

                     399

                       16

Accretion expense on discounted obligation...........................................

                       55

                       46

Foreign currency translation adjustment.................................................

                      (10)

                       28

Asset retirement obligations as of end of period.......................................

                 2,006

                 1,571

Less current portion........................................................................................

                       64

                       72

Asset retirement obligations, long-term.......................................................

$               1,942

$               1,499

 

During the first quarter of 2012, Devon recognized revisions to its asset retirement obligations totaling $399 million. The primary factor contributing to this revision was an overall increase in abandonment cost estimates for certain of its production operations facilities.