XML 49 R27.htm IDEA: XBRL DOCUMENT v3.8.0.1
SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Tables)
 12 Months Ended
Dec. 31, 2017
Accounting Policies [Abstract]  
Schedule of Allowance for Doubtful Accounts
The following table describes changes to the Company’s allowance for doubtful accounts for 2017, 2016, and 2015:
 
 
2017
 
2016
 
2015
 
 
(In millions)
Allowance for doubtful accounts at beginning of year
 
$
93

 
$
103

 
$
98

Additional provisions for the year
 
4

 
14

 
40

Uncollectible accounts written off net of recoveries
 
(13
)
 
(24
)
 
(35
)
Allowance for doubtful accounts at end of year
 
$
84

 
$
93

 
$
103
Schedule of Non-cash Impairments of Proved and Unproved Property and Equipment
The following table represents non-cash impairments of the carrying value of the Company’s proved and unproved property and equipment for 2017, 2016, and 2015:
 
 
For the Year Ended December 31,
 
 
2017
 
2016
 
2015
 
 
(In millions)
Oil and Gas Property:
 
 
 
 
 
 
Proved
 
$
—

 
$
427

 
$
7,389

Unproved
 
246

 
272

 
2,462
Schedule of Goodwill
The following presents the changes to goodwill for the years ended 2017, 2016, and 2015:
 
 
Egypt
 
North Sea
 
Total
 
 
(In millions)
Goodwill at December 31, 2014
 
$
87

 
$
163

 
$
250

Impairments
 
—

 
(163
)
 
(163
)
Goodwill at December 31, 2015
 
87

 
—

 
87

Impairments
 
—

 
—

 
—

Goodwill at December 31, 2016
 
87

 
—

 
87

Impairments
 
—

 
—

 
—

Goodwill at December 31, 2017
 
$
87

 
$
—

 
$
87