Other Expense (Tables)

12 Months Ended

Dec. 31, 2019

Other Income and Expenses [Abstract]

Schedule of components of other expense

The components of other expense are as follows:

	Year Ended December 31,
	2019		2018		2017
	(in millions)
Restructuring charges (a)	$	159	$	—	$	—
Transportation commitment charges (b)	74		161		167
Corporate headquarters move-related costs (c)	41		—		—
Asset impairment (d)	38		11		2
Asset divestiture-related charges (e)	25		170		—
Idle drilling and well service equipment charges (f)	25		—		—
Sand mine decommissioning-related charges (g)	23		443		—
Legal and environmental charges	19		21		20
Vertical integration services loss (h)	15		2		17
Other	29		41		38
Total other expense	$	448	$	849	$	244

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(a)Represents employee-related charges associated with the Corporate Restructuring Program. See Note 3 and Note 8 for additional information.

(b)Primarily represents firm transportation charges on excess pipeline capacity commitments.

(c)Represents costs associated with relocating to the Hidden Ridge Building, including $28 million of accelerated amortization of the operating lease right-of-use asset associated with the Company's former corporate headquarters and$13 million of exit and move-related costs.

(d)Primarily represents inventory and other asset impairment charges associated with the decommissioning of the Company's Brady, Texas sand mine and the divestiture of the Company's pumping services assets. See Note 3 and Note 4 for additional information.

(e)Primarily represents employee-related charges and contract termination charges associated with the Company's divestitures. See Note 3 for additional information.

(f)Primarily represents expenses attributable to idle frac fleet and drilling rig fees that are not chargeable to joint operations.

(g)Represents accelerated depreciation related to the decommission of the Company's Brady, Texas sand mine. See Note 3 for additional information.

(h)Primarily represents net margins (attributable to third party working interest owners) that result from Company-provided vertically integrated services, which are ancillary to and supportive of the Company's oil and gas joint operating activities, and do not represent intercompany transactions. For the three years ended December 31, 2019, 2018 and 2017, these vertical integration net margins included $51 million, $128 million and $140 million of gross vertical integration revenues, respectively, and $66 million, $130 million and $157 million of total vertical integration costs and expenses, respectively.