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Other Expense (Tables)
9 Months Ended
Sep. 30, 2015
Other Expense [Abstract]  
Schedule of components of other expense
The following table provides the components of the Company's other expense for the three and nine months ended September 30, 2015 and 2014:
 
 
Three Months Ended
September 30,
 
Nine Months Ended
September 30,
 
 
2015
 
2014
 
2015
 
2014
 
 
(in millions)
Idle drilling and well service equipment charges (a)
 
$
22

 
$
2

 
$
73

 
$
2

Transportation commitment charge (b)
 
11

 
11

 
38

 
34

Restructuring charges (c)
 
9

 

 
24

 

Impairment of inventory and other property and equipment (d)
 
13

 
3

 
21

 
7

Other
 
5

 
4

 
14

 
12

Total other expense
 
$
60

 
$
20

 
$
170

 
$
55

 ____________________
(a)
Primarily represents expenses attributable to idle drilling rig fees, which are not chargeable to joint operations.
(b)
Primarily represents firm transportation payments on excess pipeline capacity commitments.
(c)
Represents one-time restructuring costs associated with the Company's restructuring of its operations in Colorado, including closing its office in Denver, Colorado and eliminating its Trinidad-based pumping services operations. See Note B for additional information on the restructuring charges.
(d)
Primarily represents charges to reduce excess material and supplies inventories to their market values. See Note D for additional information on the fair value of materials and supplies inventory.