Accumulated Other Comprehensive Loss (Tables)

12 Months Ended

Dec. 31, 2022

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, 2021 and December 31, 2022:

	Pension Plans		Foreign Currency Translation Adjustments and Other	Total
	(Dollars in millions)
Balance at December 31, 2020	$	(13)	(221)	(234)
Other comprehensive loss, net of tax	16		(133)	(117)
Net other comprehensive loss	16		(133)	(117)
Balance at December 31, 2021	$	3	(354)	(351)
Other comprehensive income (loss), net of tax	18		(123)	(105)
Amounts reclassified in accumulated other comprehensive (loss) income	—		112	112
Net other comprehensive income (loss)	18		(11)	7
Balance at December 31, 2022	$	21	(365)	(344)

Reclassification out of accumulated other comprehensive (loss) income

The tables 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 gain on sale of business	$	112	Gain on sale of business
Income tax benefit	—		Income tax expense
Net of tax	$	112