XML 77 R16.htm IDEA: XBRL DOCUMENT v3.20.1
ASSET RETIREMENT OBLIGATION
 3 Months Ended
Mar. 31, 2020
Asset Retirement Obligation Disclosure [Abstract]  
ASSET RETIREMENT OBLIGATION
ASSET RETIREMENT OBLIGATION
The following table describes changes to the Company’s asset retirement obligation (ARO) liability for the three-month period ended March 31, 2020:
 
 
(In millions)
Asset retirement obligation at December 31, 2019
 
$
1,858

Liabilities incurred
 
8

Liabilities settled
 
(12
)
Liabilities divested
 
(20
)
Accretion expense
 
27

Asset retirement obligation at March 31, 2020
 
1,861

Less current portion
 
(47
)
Asset retirement obligation, long-term
 
$
1,814