Debt (Tables)

12 Months Ended

Dec. 31, 2020

Debt Disclosure [Abstract]

Schedule of Debt

The Company’s short and long-term debt consists of the following:

	As of December 31
(Dollars in millions)	2020		2019
Short-Term Debt:
Short-term borrowings	$	4	$	3
Long-Term Debt:
4.00% Convertible Senior Notes due 2024 (Carrying value)	170		160
Other long-term borrowings	7		8
Total Debt	$	181	$	171

The following table presents the outstanding principal amount and carrying value of the Notes:

4.00% Convertible Senior Notes due 2024	As of December 31
(Dollars in millions)	2020		2019
Principal amount (face value)	$	207	$	207
Unamortized issuance cost	(4)		(5)
Unamortized debt discount	(33)		(42)
Net Carrying value	$	170	$	160