Retirement Plans and Post Retirement Benefits (Tables)

12 Months Ended

Dec. 31, 2024

Schedule of Defined Benefit Plan Amounts Recognized in Other Comprehensive Income (Loss) [Table Text Block]

The changes recognized in other comprehensive loss were as follows (dollars in millions):


	Year Ended December 31,
	2024		2023		2022
Pension settlements, net of tax	$	—	$	4	$	62
Net actuarial gain (loss) and prior service (cost) arising during the period, net of tax	—		—		5
Amortization of actuarial loss, prior service cost, net of tax	—		—		4
Total amounts recognized in other comprehensive income	$	—	$	4	$	71

Schedule of Net Benefit Costs [Table Text Block]

The following table sets forth the net periodic pension cost for our defined benefit pension plans. The components of our net periodic pension costs consisted of the following (dollars in millions):


	Year Ended December 31,
	2024		2023		2022
Service cost	$	—	$	1	$	3
Other components of net periodic pension cost:
Interest cost	—		—		7
Expected return on plan assets	—		—		(7)
Amortization of prior service cost and net transition asset	—		—		1
Amortization of net actuarial loss	—		—		5
Net periodic pension cost before loss due to settlement	—		1		8
Loss due to pension settlement	—		4		82
Total net periodic pension cost	$	—	$	4	$	91

Net periodic pension cost included in cost of sales	$	—	$	—	$	—
Net periodic pension cost included in selling, general, and administrative expenses	—		1		3
Net periodic pension cost included in other non-operating items	—		4		88
	$	—	$	4	$	91

The weighted average assumptions used to calculate our net periodic pension costs for the year ended December 31, 2022, included a discount rate of 2.6% for both Canada and the U.S. Additionally, the expected return on plan assets was 3.0% for the U.S. and 2.0% for Canada.