Income Taxes (Tables)

12 Months Ended

Dec. 31, 2024

Income Tax Disclosure [Abstract]

Schedule of Components of Income Tax Provision

Our income tax provision consisted of the following:

	Year Ended December 31,
(Dollars in millions)	2024		2023		2022
Total Current Provision	$	(181)	$	(143)	$	(83)
Total Deferred (Provision) Benefit	(8)		86		(4)
Income Tax Provision	$	(189)	$	(57)	$	(87)

Schedule of Effective Income Tax Rate Reconciliation

The difference between the Irish income tax provision and the consolidated income tax provision is analyzed below:

	Year Ended December 31,
(Dollars in millions)	2024		2023		2022
Irish Income Tax Provision Tax Rate of 25%	$	(185)	$	(126)	$	(35)
Tax Provision on Operating Earnings/Losses Subject to Rates Different than the Irish Income Tax Rate	(75)		52		(155)
Tax (Provision) Benefit on Swiss Loss from internal liquidation of subsidiary and internal restructuring	—		48		(141)
Decrease (Increase) in Valuation Allowance attributed to Swiss Loss and internal restructuring	—		(46)		141
Decrease (Increase) in Valuation Allowance on Operating Earnings/Losses	81		35		64
Change in Uncertain Tax Positions	(10)		(20)		39
Income Tax Provision	$	(189)	$	(57)	$	(87)

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)	2024		2023
Deferred Tax Assets:
Net Operating Losses Carryforwards	$	585	$	715
Unused Recognized Built in Losses	47		46
Accrued Liabilities and Reserves	138		191
Tax Credit Carryforwards	13		10
Employee Benefits	29		38
Property, Plant and Equipment	109		145
Inventory	34		33
U.S. Interest Deferral	58		59
Tax Base Adjustment	53		59
State Deferred	57		62
Other Differences between Financial and Tax Basis	142		108
Valuation Allowance	(1,122)		(1,316)
Total Deferred Tax Assets	143		150
Deferred Tax Liabilities:
Intangible Assets	(17)		(18)
Other Differences between Financial and Tax Basis	(22)		—
Total Deferred Tax Liabilities	(39)		(18)
Net Deferred Tax Asset	$	104	$	132

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)	2024		2023		2022
Balance at Beginning of Year	$	203	$	191	$	235
Additions as a Result of Tax Positions Taken During a Prior Period	7		9		14
Reductions as a Result of Tax Positions Taken During a Prior Period	(2)		(12)		(15)
Additions as a Result of Tax Positions Taken During the Current Period	13		19		11
Reductions Relating to Settlements with Taxing Authorities	(5)		(3)		(36)
Reductions as a Result of a Lapse of the Applicable Statute of Limitations	(8)		(6)		(11)
Foreign Exchange Effects	(7)		5		(7)
Balance at End of Year	$	201	$	203	$	191

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, 2024, 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	2016 - 2024
Canada	2016 - 2024
Mexico	2014 - 2024
Russia	2021 - 2024
Saudi Arabia	2005 - 2024
Switzerland	2020 - 2024
United States (Federal)	2020 - 2024