Long-Term Debt (Tables)

9 Months Ended

Sep. 30, 2025

Debt Disclosure [Abstract]

Schedule of Long-Term Debt

The following table reflects our consolidated long-term debt as of the dates indicated below, including unamortized discounts and premiums and unamortized debt issuance costs:

	Interest Rates (1)	Maturities (1)	September 30, 2025		December 31, 2024
			(Dollars in millions)
Senior notes	6.50% - 7.75%	2030-2057	$	1,736	1,973
Finance leases	Various	Various	3		3
Unamortized premiums, net			—		1
Unamortized debt issuance costs			(50)		(50)
Total long-term debt			1,689		1,927
Less current maturities			(1)		(239)
Long-term debt, excluding current maturities			$	1,688	1,688

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(1)As of September 30, 2025.

Schedule of Maturities of Long-Term Debt

Set forth below is the aggregate principal amount of our long-term debt as of September 30, 2025 (excluding unamortized premiums, net and unamortized debt issuance costs) maturing during the following years:

	(Dollars in millions)
2025 (remaining three months)	$	—
2026	1
2027	1
2028	—
2029	—
2030 and thereafter	1,737
Total long-term debt	$	1,739