Accumulated Comprehensive Loss (Tables)

12 Months Ended

Dec. 31, 2023

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, 2020	$	(81)	$	(68)	$	(2)	$	(151)
Reclassified to income statement, net of taxes1	5		—		—		5
Pension settlement loss, net of taxes	—		—		—		—
Translation adjustments	—		(28)		—		(28)
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)