Additional Financial Statement Information (Tables)

12 Months Ended

Dec. 31, 2019

Other statements of operations information is as follows:



	Year Ended December 31,
(millions)	2019		2018			2017
Other Revenue
Income from Equity Method Investments and Other	$	51	$	172		$	177
Midstream Services Revenues - Third Party	94		78			19
Total	$	145	$	250		$	196
Production Expense
Lease Operating Expense	$	532	$	576		$	571
Production and Ad Valorem Taxes	175		190			118
Gathering, Transportation and Processing Expense	417		393			432
Other Royalty Expense	13		38			20
Total	$	1,137	$	1,197		$	1,141
Exploration Expense
Leasehold Impairment and Amortization	$	—	$	1		$	62
Dry Hole Cost ⁽¹⁾	100		1			9
Seismic, Geological and Geophysical	21		22			27
Staff Expense	48		54			55
Other	33		51			35
Total	$	202	$	129		$	188
Loss on Marcellus Shale Upstream Divestiture and Other
Loss on Sale	$	—	$	—		$	2,270
Exit Cost	—		—			93
Other	—		—			16
Total	$	—	$	—		$	2,379
Other Operating Expense, Net
Marketing Expense	$	34	$	40		$	47
Firm Transportation Exit Cost ⁽²⁾	88		—			—
Clayton Williams Energy Acquisition Expenses	—		—			100
Loss (Gain) on Asset Retirement Obligation Revisions	9		(25		)	(42		)
Other, Net	83		35			33
Total	$	214	$	50		$	138


⁽¹⁾	See Note 6. Capitalized Exploratory Well Costs and Undeveloped Leasehold Costs.


⁽²⁾	See Note 11. Exit Cost – Transportation Commitments.

Other balance sheet information is as follows:



	December 31,
(millions)	2019			2018
Accounts Receivable, Net
Commodity Sales	$	446		$	383
Joint Interest Billings	164			137
Other	128			111
Allowance	(8		)	(15		)
Total	$	730		$	616
Other Current Assets
Commodity Derivative Assets	$	14		$	180
Inventories, Materials and Supplies	59			55
Assets Held for Sale ⁽¹⁾	14			133
Prepaid Expenses and Other Current Assets	61			50
Total	$	148		$	418
Other Noncurrent Assets
Equity Method Investments ⁽²⁾	$	1,066		$	286
Operating Lease Right-of-Use Assets ⁽³⁾	227			—
Customer-Related Intangible Assets, Net	278			310
Goodwill	110			110
Mutual Fund Investments	27			38
Other Noncurrent Assets	126			97
Total	$	1,834		$	841
Other Current Liabilities
Production and Ad Valorem Taxes	$	118		$	103
Asset Retirement Obligations	84			118
Interest Payable	74			66
Operating Lease Liabilities ⁽³⁾	88			—
Compensation and Benefits Payable	126			83
Other Current Liabilities	229			149
Total	$	719		$	519
Other Noncurrent Liabilities
Deferred Compensation Liabilities	$	133		$	147
Asset Retirement Obligations	730			762
Operating Lease Liabilities ⁽³⁾	164			—
Firm Transportation Exit Cost Accrual ⁽⁴⁾	129			67
Other Noncurrent Liabilities	222			189
Total	$	1,378		$	1,165


⁽¹⁾	Amounts relate to divestitures of non-core assets and acreage in Reeves County, Texas. See Note 4. Acquisitions and Divestitures.


⁽²⁾	See Note 5. Equity Method Investments.


⁽³⁾	Amounts relate to assets and liabilities recorded as a result of ASC 842 adoption. See Note 9. Leases.

⁽⁴⁾

See Note 11. Exit Cost – Transportation Commitments.

We define total cash as cash, cash equivalents and restricted cash. The following table provides a reconciliation of total cash:



	December 31,
(millions)	2019		2018
Cash and Cash Equivalents at Beginning of Period	$	716	$	675
Restricted Cash at Beginning of Period	3		38
Cash, Cash Equivalents, and Restricted Cash at Beginning of Period	$	719	$	713
Cash and Cash Equivalents at End of Period	$	484	$	716
Restricted Cash at End of Period	—		3
Cash, Cash Equivalents, and Restricted Cash at End of Period	$	484	$	719

We define total cash as cash, cash equivalents and restricted cash. The following table provides a reconciliation of total cash:



	December 31,
(millions)	2019		2018
Cash and Cash Equivalents at Beginning of Period	$	716	$	675
Restricted Cash at Beginning of Period	3		38
Cash, Cash Equivalents, and Restricted Cash at Beginning of Period	$	719	$	713
Cash and Cash Equivalents at End of Period	$	484	$	716
Restricted Cash at End of Period	—		3
Cash, Cash Equivalents, and Restricted Cash at End of Period	$	484	$	719

Supplemental statements of cash flow information is as follows:



	Year Ended December 31,
(millions)	2019		2018		2017
Cash Paid During the Year For
Interest, Net of Amount Capitalized ⁽¹⁾	$	208	$	270	$	346
Income Taxes Paid, Net	76		172		121

⁽¹⁾

Interest capitalized totaled $102 million in 2019, $73 million in 2018 and $49 million in 2017.

Non-affiliated purchasers who accounted for 10% or more of our commodity sales were as follows:



	Year Ended December 31,
	2019		2018		2017
Percentage of Crude Oil Sales
Shell ⁽¹⁾	22	%	22	%	22	%
BP ⁽²⁾	18	%	31	%	15	%
Percentage of Total Crude Oil, NGL & Natural Gas Sales
Shell ⁽¹⁾	15	%	14	%	13	%
BP ⁽²⁾	14	%	17	%	10	%


⁽¹⁾	Includes sales to Shell Energy North America and Shell Trading (US) Company (collectively, Shell).

⁽²⁾

Includes sales to BP America Production, BP Energy Co and BP Products North America, Inc (collectively, BP).