INCOME TAXES (Tables)

12 Months Ended

Dec. 31, 2020

Notes To Financial Statements [Abstract]

Schedule of Components of Income Tax Expense (Benefit) [Table Text Block]

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

	Year Ended December 31,
	2020		2019		2018
Current:
Federal	$	2	$	—	$	—
State	(10)		2		1
Foreign	—		—		1
Total current	(8)		2		2
Deferred:
Federal	(7)		(4)		(1)
State	(3)		(4)		(25)
Foreign	—		(1)		(5)
Total deferred	(10)		(9)		(31)
Total income tax benefit	$	(18)	$	(7)	$	(29)

Schedule of Income before Income Tax, Domestic and Foreign [Table Text Block]

Domestic and foreign pre-tax (loss) income was as follows (in millions):

	Year Ended December 31,
	2020		2019		2018
Domestic	$	(55)	$	(25)	$	(43)
Foreign	5		22		160
Total	$	(50)	$	(3)	$	117

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

A reconciliation of our income tax (benefit) expense at the federal statutory income tax rate of 21% to our income tax benefit at the effective tax rate is as follows (in millions):

	Year Ended December 31,
	2020		2019		2018
Income tax (benefit) expense at the federal statutory rate	$	(10)	$	(1)	$	25
State and other tax benefit	(2)		(1)		(1)
Tax rate differential on foreign earnings	(1)		(2)		(3)
Gain on sale of business	(4)		(9)		(44)
Permanent differences	2		4		5
Impact of state apportionment & tax rate	1		(2)		(13)
Change in valuation allowance	2		1		3
Liability for uncertain tax positions	(9)		(1)		(4)
Tax reform transition tax	—		—		1
Other	3		4		2
Total income tax benefit	$	(18)	$	(7)	$	(29)

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

The tax effects of temporary differences that give rise to the deferred tax assets and liabilities are presented as follows (in millions):

	As of December 31,
	2020		2019
Deferred tax assets:
NOLs	$	106	$	90
Accrued and prepaid expenses	67		63
Tax credits	49		49
Interest expense	14		26
Other	12		8
Total gross deferred tax asset	248		236
Less: valuation allowance	(72)		(65)
Total deferred tax asset	176		171
Deferred tax liabilities:
Property, plant and equipment	496		517
Intangible assets	29		17
Other, net	13		9
Total gross deferred tax liability	538		543
Net deferred tax liability	$	362	$	372

Reconciliation Of Beginning And Ending Amounts Of Unrecognized Tax Benefits [Text Block]

A reconciliation of the beginning and ending amount of unrecognized tax benefits is as follows (in millions):

Balance at December 31, 2017	$	48
Additions based on tax positions related to the current year	2
Additions for tax positions of prior years	1
Reductions for lapse in applicable statute of limitations	(2)
Reductions for tax positions of prior years	(8)
Balance at December 31, 2018	41
Additions based on tax positions related to the current year	2
Reductions for lapse in applicable statute of limitations	(1)
Reductions for tax positions of prior years	(2)
Balance at December 31, 2019	40
Additions based on tax positions related to the current year	2
Reductions for lapse in applicable statute of limitations	(7)
Balance at December 31, 2020	$	35