Accumulated Other Comprehensive Loss (Tables)

12 Months Ended

Dec. 31, 2023

Equity [Abstract]

Schedule of accumulated other comprehensive income (loss)

The table below summarizes changes in accumulated other comprehensive loss recorded on our consolidated balance sheet by component for the years ended December 31, 2022 and December 31, 2023:

	Pension Plans		Foreign Currency Translation Adjustments and Other	Total
	(Dollars in millions)
Balance at December 31, 2021	$	3	(354)	(351)
Other comprehensive income (loss), net of tax	18		(123)	(105)
Amounts reclassified from accumulated other comprehensive income (loss)	—		112	112
Net other comprehensive income (loss)	18		(11)	7
Balance at December 31, 2022	$	21	(365)	(344)
Other comprehensive loss, net of tax	—		(12)	(12)
Amounts reclassified from accumulated other comprehensive income (loss)	(22)		350	328
Net other comprehensive (loss) income	(22)		338	316
Balance at December 31, 2023	$	(1)	(27)	(28)

Reclassification out of accumulated other comprehensive (loss) income

The table below present further information about our reclassifications out of accumulated other comprehensive (loss) income by component for the year ended December 31, 2023:

Year Ended December 31, 2023	Reclassification out of Accumulated Other Comprehensive Loss		Affected line item in Consolidated Balance Sheets and Consolidated Statement of Operations
	(Dollars in millions)
Reclassification of realized loss on foreign currency translation to valuation allowance within assets held for sale(2)	$	353	Assets held for sale
Reclassification of realized loss on foreign currency translation to loss on sale of business(3)	(3)		Net loss (gain) on sale of businesses
Subtotal reclassification of realized loss on foreign currency	350
Reclassification of net actuarial loss to valuation allowance within assets held for sale(2)	(24)		Assets held for sale
Reclassification of net actuarial gain to loss on sale of business(3)	2		Net loss (gain) on sale of businesses
Subtotal reclassification of net actuarial loss	(22)
Income tax benefit	—		Income tax expense
Net of tax	$	328

The table below present further information about our reclassifications out of accumulated other comprehensive (loss) income by component for the year ended December 31, 2022:

Year Ended December 31, 2022	Decrease (Increase) in Net Income		Affected Line Item in Consolidated Statement of Operations
	(Dollars in millions)
Reclassification of realized loss on foreign currency translation to net loss on sale of businesses	$	112	Net loss on sale of businesses
Income tax benefit	—		Income tax expense
Net of tax	$	112