UCC Consolidated Balance Sheet - USD ($) $ in Millions	Dec. 31, 2023	Dec. 31, 2022
Statement of Financial Position [Abstract]
Cash and cash equivalents	$ 11	$ 10
Trade (net of allowance for doubtful receivables 2023: $—; 2022: $—)	16	40
Accounts Receivable from Related Companies	700	766
Other	14	24
Income taxes receivable	238	211
Notes receivable from related companies	799	958
Inventories	227	256
Other current assets	36	38
Total current assets	2,041	2,303
Investments in related companies	237	237
Other investments	15	23
Noncurrent receivables	99	91
Noncurrent receivables from related companies	1,598	61
Total investments	1,949	412
Property	5,406	7,104
Less accumulated depreciation	4,512	5,922
Net property	894	1,182
Intangible assets (net of accumulated amortization 2023: $93; 2022: $100)	7	9
Operating lease, right-of-use asset	85	107
Deferred Tax Assets, Deferred Income	257	239
Deferred charges and other assets	39	37
Total other assets	388	392
Total Assets	5,272	4,289
Notes payable to related companies	68	51
Notes Payable to Bank	1	4
Long-term debt due within one year	1	132
Trade	286	284
Accounts payable to related company	420	411
Other	12	16
Operating lease liabilities - current	17	21
Income taxes payable	30	33
Asbestos-related liabilities - current	80	90
Accrued and other current liabilities	116	145
Total current liabilities	1,031	1,187
Long-term Debt and Lease Obligation	259	262
Pension and other postretirement benefits - noncurrent	395	298
Asbestos-related liabilities - noncurrent	787	857
Operating lease liabilities - noncurrent	68	87
Other noncurrent obligations	567	254
Total other noncurrent liabilities	1,817	1,496
Common stock (authorized: 1,000 shares of $0.01 par value each; issued: 935.51 shares)	0	0
Additional paid-in capital	1,034	141
Retained earnings	2,474	2,605
Accumulated other comprehensive loss	(1,343)	(1,402)
Equity, Including Portion Attributable to Noncontrolling Interest, Total	2,165	1,344
Total Liabilities and Equity	$ 5,272	$ 4,289