Borrowings and Other Debt Obligations (Tables)

12 Months Ended

Dec. 31, 2024

Debt Disclosure [Abstract]

Schedule of Debt

Total debt carrying values consisted of the following:

	December 31,
(Dollars in millions)	2024		2023
Current portion of 6.5% Senior Secured Notes due 2028 “2028 Senior Secured Notes”	$	—	$	151
Finance Lease Current Portion	17		17
Current Portion of Long-term Debt	$	17	$	168
8.625% Senior Notes due 2030 “2030 Senior Notes”	$	1,586	$	1,587
6.5% Senior Secured Notes due 2028 “2028 Senior Secured Notes”	—		92
Finance Lease Long-term Portion	31		36
Long-term Debt	$	1,617	$	1,715

Schedule of maturities of long-term debt

The following is a summary of scheduled debt maturities by year:

(Dollars in millions)	Amount
2025	$	17
2026	15
2027	10
2028	5
2029	1
Thereafter	1,597
Total Debt Maturities	$	1,645
Unamortized Debt Issuance and Discount	$	(11)
Total Debt Carrying Value	$	1,634