Income Taxes (Tables)

12 Months Ended

Dec. 31, 2019

Income Tax Disclosure [Abstract]

Schedule of Income Tax Expense (Benefit) and Effective Income Tax Rate

The following table provides a summary of the current and deferred components of income tax expense (benefit) from continuing operations:

	Years Ended December 31,
	2019			2018		2017
Current expense (benefit):
Federal	$	31		$	30	$	(10	)
State	8			7		(1		)
Total	39			37		(11		)
Deferred expense (benefit):
Federal	$	(349	)	$	2	$	(253	)
State	(92		)	10		1
Total	(441		)	12		(252		)
Total income tax expense (benefit)	$	(402	)	$	49	$	(263	)

Schedule of Effective Income Tax Rate Reconciliation [Table Text Block]

The differences between the Company’s effective income tax rate and the United States federal income tax statutory rate were as follows:

	Years Ended December 31,
	2019			2018		2017
Income tax expense (benefit) at federal statutory rate	$	40		$	33	$	(108	)
Changes in income taxes resulting from:
Partnership earnings not subject to tax	(17		)	—		—
Federal tax rate change	—			—		(249		)
State income taxes, net of federal income tax benefit	5			14		1
Non-deductible goodwill impairment	—			—		92
Change in tax status	(428		)	—		—
Other	(2		)	2		1
Income tax expense (benefit)	$	(402	)	$	49	$	(263	)

Schedule of Deferred Tax Assets and Liabilities [Table Text Block]

The table below summarizes the principal components of the Company’s deferred tax assets (liabilities) as follows:

	December 31,
	2019		2018
Deferred income tax assets:
Other postretirement benefits	$	—	$	18
Debt amortization	—		11
Other	—		74
Total deferred income tax assets	—		103
Valuation allowance	—		—
Net deferred income tax assets (included within other non-current assets, net)	$	—	$	103
Deferred income tax liabilities:
Property, plant and equipment	$	—	$	(497	)
Investment in unconsolidated affiliates	—		(2		)
Other	—		(41		)
Total deferred income tax liabilities	—		(540		)
Net deferred income tax liability	$	—	$	(437	)