Consolidated Statement of Financial Position (Unaudited) - USD ($) $ in Millions	Mar. 31, 2024	Dec. 31, 2023
ASSETS
Cash and cash equivalents	$ 262	$ 255
Trade receivables, net of allowances of $7 and $8, respectively	139	195
Inventories, net	230	217
Other current assets	46	45
Total current assets	677	712
Property, plant and equipment, net of accumulated depreciation of $471 and $450, respectively	171	169
Goodwill	12	12
Intangible assets, net	23	24
Operating lease right-of-use assets	31	30
Restricted cash	106	110
Pension and other postretirement assets	1,247	1,216
Other long-term assets	80	82
TOTAL ASSETS	2,347	2,355
LIABILITIES, REDEEMABLE CONVERTIBLE PREFERRED STOCK AND EQUITY
Accounts payable, trade	129	125
Short-term borrowings and current portion of long-term debt	1	1
Current portion of operating leases	11	13
Other current liabilities	133	144
Total current liabilities	274	283
Long-term debt, net of current portion	447	457
Pension and other postretirement liabilities	229	237
Operating leases, net of current portion	26	24
Other long-term liabilities	208	213
Total liabilities	1,184	1,214
Commitments and Contingencies (Note 6)
Redeemable, convertible preferred stock, no par value, $100 per share liquidation preference	212	210
EQUITY
Common stock, $0.01 par value	0	0
Additional paid in capital	1,156	1,156
Treasury stock, at cost	(11)	(11)
Accumulated deficit	(463)	(495)
Accumulated other comprehensive income	269	281
Total shareholders’ equity	951	931
TOTAL LIABILITIES, REDEEMABLE CONVERTIBLE PREFERRED STOCK AND EQUITY	2,347	2,355
Redeemable Preferred Stock [Member]
LIABILITIES, REDEEMABLE CONVERTIBLE PREFERRED STOCK AND EQUITY
Redeemable, convertible preferred stock, no par value, $100 per share liquidation preference	$ 212	$ 210