Other Comprehensive Loss (Tables)

12 Months Ended

Dec. 31, 2019

Equity [Abstract]

Schedule of comprehensive income (loss)

	Year Ended December 31
(Dollars in millions)	2019		2018		2017
Other Comprehensive Loss1
Cumulative translation adjustments	$	(34)	$	(10)	$	(2)
Net gain (loss) of cash flow hedge derivatives	—		—		(1)
Pension liability, net of tax	(10)		(9)		(6)
Total (ending balance)	$	(44)	$	(19)	$	(8)
Deferred taxes on the pension liability	3		1		—

¹The components of Other Comprehensive Loss are net of any related income tax effects.