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Asset Retirement Obligations (Tables)
 9 Months Ended
Sep. 30, 2020
Asset Retirement Obligation Disclosure [Abstract]  
Summary Of Changes In Asset Retirement Obligations

The following table presents the changes in Devon’s asset retirement obligations.

 

 

Nine Months Ended September 30,

 

 

 

2020

 

 

2019

 

Asset retirement obligations as of beginning of period

 

$

398

 

 

$

484

 

Liabilities incurred

 

 

15

 

 

 

14

 

Liabilities settled and divested

 

 

(24

)

 

 

(50

)

Revision of estimated obligation

 

 

4

 

 

 

(62

)

Accretion expense on discounted obligation

 

 

15

 

 

 

16

 

Asset retirement obligations as of end of period

 

 

408

 

 

 

402

 

Less current portion

 

 

10

 

 

 

17

 

Asset retirement obligations, long-term

 

$

398

 

 

$

385