Other Expense (Tables)

3 Months Ended

Mar. 31, 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 months ended March 31, 2015 and 2014:

		Three Months Ended March 31,
		2015		2014
	(in millions)
Idle drilling and well services equipment charges (a)		$	23	$	—
Transportation commitment charge (b)		14		11
Impairment of inventory (c)		6		—
Other		5		2
Contingency and environmental accrual adjustments		—		2
Total other expense		$	48	$	15

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(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 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.