Income Taxes (Tables)

12 Months Ended

Dec. 31, 2019

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



	Successor			Predecessor
	Period From			Period From
	12/14/19			1/1/2019			Years Ended
	through			through			December 31,
(Dollars in millions)	12/31/2019			12/13/2019			2018			2017
Total Current Provision	$	(9	)	$	(110	)	$	(113	)	$	(162	)
Total Deferred (Provision) Benefit	—			(25		)	79			25
Provision for Income Taxes	$	(9	)	$	(135	)	$	(34	)	$	(137	)

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



	Successor			Predecessor
	Period From			Period From
	12/14/19			1/1/2019			Years Ended
	through			through			December 31,
(Dollars in millions)	12/31/2019			12/13/2019			2018			2017
Irish or Swiss Income Tax rate at 12.5% and 7.83%, respectively	$	2		$	(299	)	$	216		$	208
Tax on Operating Earnings Subject to Rates Different than the Irish or Swiss Federal Income Tax Rate	(65		)	197			(387		)	123
Estimated Tax on Settlement of Liabilities Subject to Compromise and Fresh Start Accounting	—			(495		)	—			—
Change in Valuation Allowance Attributed to Estimated Tax on Settlement of Liabilities Subject to Compromise and Fresh Start Accounting	—			463			—			—
U.S. Tax Reform - Remeasure of U.S. Deferred Tax Assets	—			—			—			(249		)
Change in Valuation Allowance Attributed to U.S. Tax Reform	—			—			—			301
Change in Valuation Allowance	56			17			166			(459		)
Change in Uncertain Tax Positions	(2		)	(18		)	(29		)	(61		)
Provision for Income Taxes	$	(9	)	$	(135	)	$	(34	)	$	(137	)

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

The components of the net deferred tax asset (liability) attributable to continuing operations were as follows:



	Successor			Predecessor
	December 31,			December 31,
(Dollars in millions)	2019			2018
Deferred Tax Assets:
Net Operating Losses Carryforwards	$	696		$	1,002
Accrued Liabilities and Reserves	155			331
Tax Credit Carryforwards	11			94
Employee Benefits	26			29
Property, Plant and Equipment	63			—
Inventory	67			67
Other Differences between Financial and Tax Basis	264			324
Valuation Allowance	(1,166		)	(1,702		)
Total Deferred Tax Assets	116			145
Deferred Tax Liabilities:
Property, Plant and Equipment	—			(15		)
Intangible Assets	(90		)	(57		)
Other Differences between Financial and Tax Basis	(31		)	(52		)
Total Deferred Tax Liabilities	(121		)	(124		)
Net Deferred Tax Asset (Liability)	$	(5	)	$	21

Schedule of Unrecognized Tax Benefits Roll Forward [Table Text Block]

A tabular reconciliation of the total amounts of uncertain tax positions at the beginning and end of the period is as follows:



	Successor			Predecessor
	Period From			Period From
	12/14/19			1/1/2019			Years Ended
	through			through			December 31,
(Dollars in millions)	12/31/2019			12/13/2019			2018			2017
Balance at Beginning of Year	$	213		$	195		$	217		$	208
Additions as a Result of Tax Positions Taken During a Prior Period	—			34			31			65
Reductions as a Result of Tax Positions Taken During a Prior Period	—			(1		)	(9		)	(1		)
Additions as a Result of Tax Positions Taken During the Current Period	2			17			14			12
Reductions Relating to Settlements with Taxing Authorities	(1		)	(20		)	(18		)	(29		)
Reductions as a Result of a Lapse of the Applicable Statute of Limitations	—			(5		)	(23		)	(38		)
Foreign Exchange Effects	—			(7		)	(17		)	—
Balance at End of Year	$	214		$	213		$	195		$	217

Summary of Income Tax Contingencies [Table Text Block]

We are subject to income tax in many of the approximately 80 countries where we operate. As of December 31, 2019, the following table summarizes the tax years that remain subject to examination for the major jurisdictions in which we operate:



Canada	2011 - 2019
Mexico	2009 - 2019
Russia	2016 - 2019
Switzerland	2011 - 2019
United States	2016 - 2019