Leases (Tables)

12 Months Ended

Dec. 31, 2025

Lease expense consisted of the following:


	Years Ended December 31,
	2025		2024	2023
	(Dollars in millions)
Operating and short-term lease cost	$	21	23	26
Finance lease cost:
Amortization of right-of-use assets	1		1	1

Total finance lease cost	1		1	1
Total lease cost	$	22	24	27

Supplemental consolidated cash flow statement information related to leases is included below:


	Years Ended December 31,
	2025		2024
	(Dollars in millions)
Cash paid for amounts included in the measurement of lease liabilities:
Operating cash flows for operating leases	$	22	24

Financing cash flows for finance leases	1		1
Supplemental lease cash flow disclosures
Operating lease right-of-use assets obtained in exchange for new operating lease liabilities	$	15	20

Supplemental consolidated balance sheet information and other information related to leases is included below:


		December 31,
Leases (Dollars in millions)	Balance Sheet Classification	2025			2024
Assets
Operating lease assets	Other assets, net	$	65		64
Finance lease assets	Property, plant and equipment, net of accumulated depreciation	5			6
Total leased assets		$	70		70

Liabilities
Current
Operating	Other current liabilities	$	14		15

Noncurrent
Operating	Other liabilities	51			49
Finance	Long-term debt	2			3
Total lease liabilities		$	67		67

Weighted-average remaining lease term (years)
Operating leases		5.5			5.4
Finance leases		8.7			8.4
Weighted-average discount rate
Operating leases		10.24		%	10.52	%
Finance leases		4.90		%	5.05	%

As of December 31, 2025, maturities of lease liabilities were as follows:

As of December 31, 2025, maturities of lease liabilities were as follows: