Income Taxes (Tables)

12 Months Ended

Dec. 31, 2019

Income Tax Disclosure [Abstract]

Schedule of Components of Income Tax Expense (Benefit)

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

	Year Ended December 31,
	2019			2018			2017
Current income tax expense	$	—		$	(1.9	)	$	(0.4	)
Deferred tax benefit (expense)	(6.9		)	(16.3		)	197.2
Total income tax benefit (expense)	$	(6.9	)	$	(18.2	)	$	196.8

Reconciliation of Total Income Tax Expense to Income before Income Taxes

The following schedule reconciles total income tax benefit (expense) and the amount calculated by applying the statutory U.S. federal tax rate to income before income taxes (in millions):

	Year Ended December 31,
	2019			2018			2017
Expected income tax benefit (expense) based on federal statutory tax rate (1)	$	233.6		$	(1.0	)	$	(5.6	)
State income tax benefit (expense), net of federal benefit	27.0			(0.1		)	(0.4		)
Statutory rate change (1)	—			—			210.6
Non-deductible expense related to impairments	(264.5		)	(10.7		)	—
Other	(3.0		)	(6.4		)	(7.8		)
Total income tax benefit (expense)	$	(6.9	)	$	(18.2	)	$	196.8

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(1) The Tax Cuts and Jobs Act of 2017 resulted in a change in the federal statutory corporate tax rate from 35% to 21%, effective January 1, 2018. Accordingly, we reduced deferred tax liabilities and recorded a deferred tax benefit in the amount of $210.6 million as of December 31, 2017 due to a remeasurement of deferred tax liabilities. Of this amount, $185.7 million was related to ENLC’s standalone deferred tax liabilities, and $24.9 million was related to ENLK’s re-measurement of deferred tax liabilities of its wholly-owned corporate subsidiaries.

Schedule of Deferred Tax Assets and Liabilities

Our deferred income tax assets and liabilities as of December 31, 2019 and 2018 are as follows (in millions):

	December 31, 2019			December 31, 2018
Deferred income tax assets:
Federal net operating loss carryforward	$	341.4		$	67.9
State net operating loss carryforward	44.8			11.7
Total deferred tax assets	386.2			79.6
Deferred tax liabilities:
Property, plant, equipment, and intangible assets (1)	(354.0		)	(440.6		)
Other	—			(1.4		)
Total deferred tax liabilities	(354.0		)	(442.0		)
Deferred tax asset (liability), net	$	32.2		$	(362.4	)

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(1)

Includes our investment in ENLK and primarily relates to differences between the book and tax bases of property and equipment.