Rendering

Component: (Network and Table)
Network
2313301 - Disclosure - Asset Retirement Obligations (Tables)
(http://www.anadarko.com/role/AssetRetirementObligationsTables)
Table(Implied)
Slicers (applies to each fact value in each table cell)
Reporting Entity [Axis]0000773910 (http://www.sec.gov/CIK)
Asset Retirement Obligation Disclosure [Abstract]Period [Axis]
2016-01-01 - 2016-12-31
Asset Retirement Obligation Disclosure [Abstract]
 
Asset Retirement Obligations Rollforward
The following summarizes changes in the Company’s AROs:
millions
2016
 
2015
Carrying amount at January 1
$
2,059

 
$
2,053

Liabilities acquired (1)
813

 
—

Liabilities incurred
93

 
104

Property dispositions
(88
)
 
(108
)
Liabilities settled
(225
)
 
(298
)
Accretion expense
100

 
102

Revisions in estimated liabilities
179

 
206

Carrying amount at December 31
$
2,931

 
$
2,059

__________________________________________________________________
(1) 
In December 2016, the Company closed the GOM Acquisition. See Note 3—Acquisitions, Divestitures, and Assets Held for Sale for additional information.