Consolidated Statement of Financial Position (Unaudited) - USD ($) $ in Millions	Jun. 30, 2025	Dec. 31, 2024
ASSETS
Cash and cash equivalents	$ 155	$ 201
Trade receivables, net of allowances of $8 and $7, respectively	149	138
Inventories, net	238	219
Other current assets	32	37
Total current assets	574	595
Property, plant and equipment, net of accumulated depreciation of $501 and $482, respectively	199	189
Goodwill	12	12
Intangible assets, net	18	20
Operating lease right-of-use assets	39	27
Restricted cash	90	92
Pension and other postretirement assets	939	989
Other long-term assets	62	77
TOTAL ASSETS	1,933	2,001
LIABILITIES, REDEEMABLE CONVERTIBLE PREFERRED STOCK AND EQUITY
Accounts payable, trade	111	120
Short-term borrowings and current portion of long-term debt	479	1
Current portion of operating leases	12	11
Other current liabilities	127	129
Total current liabilities	729	261
Long-term debt, net of current portion	11	466
Pension and other postretirement liabilities	213	197
Operating leases, net of current portion	32	21
Other long-term liabilities	198	197
Total liabilities	1,183	1,142
Commitments and Contingencies (Note 7)
Redeemable, convertible preferred stock, no par value, $100 per share liquidation preference	222	218
EQUITY
Common stock, $0.01 par value	0	0
Additional paid in capital	1,147	1,150
Treasury stock, at cost	(14)	(12)
Accumulated deficit	(426)	(393)
Accumulated other comprehensive loss	(179)	(104)
Total shareholders’ equity	528	641
TOTAL LIABILITIES, REDEEMABLE CONVERTIBLE PREFERRED STOCK AND EQUITY	1,933	2,001
Redeemable Preferred Stock [Member]
LIABILITIES, REDEEMABLE CONVERTIBLE PREFERRED STOCK AND EQUITY
Redeemable, convertible preferred stock, no par value, $100 per share liquidation preference	$ 222	$ 218