Accumulated Comprehensive Loss (Tables)

12 Months Ended

Dec. 31, 2024

Accumulated Other Comprehensive Income (Loss) [Line Items]

Schedule of Accumulated Other Comprehensive Income (Loss) [Table Text Block]

Other comprehensive income activity, net of tax, is provided in the following table (dollars in millions):

	Pension		Translation Adjustments		Other		Total
Balance at December 31, 2021	$	(76)	$	(96)	$	(1)	$	(174)
Reclassified to income statement, net of taxes1	—		—		1		1
Pension settlement loss, net of taxes	71		—		—		71
Translation adjustments	—		2		—		2
Balance at December 31, 2022	(5)		(94)		—		(99)
Reclassified to income statement, net of taxes1	—		—		—		—
Pension settlement loss, net of taxes	4		—		—		4
Translation adjustments	—		6		—		6
Balance at December 31, 2023	—		(89)		—		(89)
Reclassified to income statement, net of taxes1	—		—		—		—
Pension settlement loss, net of taxes	—		—		—		—
Translation adjustments	—		(33)		—		(33)
Balance at December 31, 2024	$	—	$	(122)	$	—	$	(122)

1 Amounts of actuarial loss and prior service cost are components of net periodic benefit cost. See "Note 16 - Retirement Plans and Post-Retirement Benefits" above for additional details.