Income Taxes (Tables)

12 Months Ended

Dec. 31, 2023

Income Tax Disclosure [Abstract]

Schedule of Components of Income Tax Expense (Benefit)

	Year Ended December 31,
(Dollars in millions)	2023		2022		2021
Total Current Provision	$	(143)	$	(83)	$	(96)
Total Deferred (Provision) Benefit	86		(4)		10
Income Tax Provision	$	(57)	$	(87)	$	(86)

Schedule of Effective Income Tax Rate Reconciliation

	Year Ended December 31,
(Dollars in millions)	2023		2022		2021
Irish Income Tax (Provision) Benefit Tax Rate of 25%	$	(126)	$	(35)	$	86
Tax Provision on Operating Earnings/Losses Subject to Rates Different than the Irish Income Tax Rate	52		(155)		(189)
Tax (Provision) Benefit on Swiss Loss from internal liquidation of subsidiary and internal restructuring	48		(141)		124
Decrease (Increase) in Valuation Allowance attributed to Swiss Loss and internal restructuring	(46)		141		(124)
Decrease (Increase) in Valuation Allowance on Operating Earnings/Losses	35		64		52
Change in Uncertain Tax Positions	(20)		39		(35)
Income Tax Provision	$	(57)	$	(87)	$	(86)

Schedule of Deferred Tax Assets and Liabilities

The components of the net deferred tax asset were as follows: 

	December 31,		December 31,
(Dollars in millions)	2023		2022
Deferred Tax Assets:
Net Operating Losses Carryforwards	$	715	$	751
Unused Recognized Built in Losses	46		43
Accrued Liabilities and Reserves	191		143
Tax Credit Carryforwards	10		11
Employee Benefits	38		29
Property, Plant and Equipment	145		158
Inventory	33		38
U.S. Interest Deferral	59		57
Tax Base Adjustment	59
State Deferred	62		50
Other Differences between Financial and Tax Basis	108		89
Valuation Allowance	(1,316)		(1,300)
Total Deferred Tax Assets	150		69
Deferred Tax Liabilities:
Intangible Assets	(18)		(28)
Total Deferred Tax Liabilities	(18)		(28)
Net Deferred Tax Asset	$	132	$	41

Schedule of Unrecognized Tax Benefits Roll Forward

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

	Year Ended December 31,
(Dollars in millions)	2023		2022		2021
Balance at Beginning of Year	$	191	$	235	$	222
Additions as a Result of Tax Positions Taken During a Prior Period	9		14		23
Reductions as a Result of Tax Positions Taken During a Prior Period	(12)		(15)		(8)
Additions as a Result of Tax Positions Taken During the Current Period	19		11		12
Reductions Relating to Settlements with Taxing Authorities	(3)		(36)		(5)
Reductions as a Result of a Lapse of the Applicable Statute of Limitations	(6)		(11)		(2)
Foreign Exchange Effects	5		(7)		(7)
Balance at End of Year	$	203	$	191	$	235

Summary of Income Tax Contingencies

We are subject to income tax in many of the approximately 75 countries where we operate. As of December 31, 2023, the following table summarizes the tax years that remain subject to examination for the major jurisdictions in which we operate: 

Tax Jurisdiction	Tax Years under Examination
Argentina	2013 - 2023
Canada	2015 - 2023
Mexico	2013 - 2023
Russia	2020 - 2023
Saudi Arabia	2019 - 2023
Switzerland	2019 - 2023
United States (Federal)	2020 - 2023