Other Assets (Tables)

12 Months Ended

Dec. 31, 2023

Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract]

Schedule of Other Assets

	December 31,
	2023		2022
	(Dollars in millions)
Advanced discounts to customers, non-current	$	41	$	51
Operating right-of-use assets (Note 18)	40		44
Income tax receivable	20		22
Pension and other employee related	11		4
Derivatives designated as net investment hedges	37		74
Designated and undesignated derivatives	46		76
Other	11		10
	$	206	$	281