Income Taxes (Tables)

12 Months Ended

Dec. 31, 2018

Components of Income Tax Expense (Benefit) Table

The components of income tax expense (benefit) are as follows:



	Year Ended December 31,
thousands	2018			2017			2016
Current income tax expense (benefit)
Federal income tax expense (benefit)	$	(79,264	)	$	(9,207	)	$	(19,480	)
State income tax expense (benefit)	(850		)	2,422			1,257
Total current income tax expense (benefit)	(80,114		)	(6,785		)	(18,223		)
Deferred income tax expense (benefit)
Federal income tax expense (benefit)	133,044			(55,835		)	49,855
State income tax expense (benefit)	6,004			2,697			1,337
Total deferred income tax expense (benefit)	139,048			(53,138		)	51,192
Total income tax expense (benefit)	$	58,934		$	(59,923	)	$	32,969

Tax Rate Reconciliation Table

Total income taxes differed from the amounts computed by applying the statutory income tax rate to income (loss) before income taxes. The sources of these differences are as follows:



	Year Ended December 31,
thousands except percentages	2018			2017			2016
Income (loss) before income taxes	$	689,588		$	677,462		$	691,255
Statutory tax rate	—		%	—		%	—		%
Tax computed at statutory rate	$	—		$	—		$	—
Adjustments resulting from:
U.S. federal tax reform	—			(87,306		)	—
Federal taxes on income attributable to Anadarko’s investment in WES	54,243			22,353			30,550
State taxes on income attributable to Anadarko’s investment in WES (net of federal benefit)	1,745			164			326
Texas margin tax expense (benefit)	2,946			4,866			2,093
Income tax expense (benefit)	$	58,934		$	(59,923	)	$	32,969
Effective tax rate	9		%	(9		)%	5		%

Income Tax Temporary Differences Table

The tax effects of temporary differences that give rise to significant portions of deferred tax assets (liabilities) are as follows:



	December 31,
thousands	2018			2017
Depreciable property	$	(280,377	)	$	(139,902	)
Credit carryforwards	497			448
Other intangible assets	(299		)	(189		)
Other	162			8
Net long-term deferred income tax liabilities	$	(280,017	)	$	(139,635	)