Consolidated Balance Sheets - USD ($) $ in Millions	Sep. 30, 2023	Dec. 31, 2022
Statement of Financial Position [Abstract]
Cash and Cash Equivalents, at Carrying Value	$ 10	$ 10
Trade (net of allowance for doubtful receivables 2020: $-; 2019: $-)	25	40
Accounts Receivable from Related Companies	828	766
Other	20	24
Income taxes receivable	210	211
Notes receivable from related companies	718	958
Inventories	248	256
Other current assets	27	38
Total current assets	2,086	2,303
Investments in related companies	237	237
Other investments	16	23
Noncurrent receivables	96	91
Noncurrent receivables from related companies	55	61
Total investments	404	412
Property	7,283	7,104
Less accumulated depreciation	6,018	5,922
Net property	1,265	1,182
Intangible assets (net of accumulated amortization 2020: $92; 2019: $90)	8	9
Operating lease right-of-use assets	104	107
Deferred Tax Assets, Deferred Income	232	239
Deferred charges and other assets	41	37
Total other assets	385	392
Total Assets	4,140	4,289
Notes payable to related companies	26	51
Notes Payable - Other	2	4
Long-term debt due within one year	3	132
Trade	388	284
Accounts Payable to Related Company	426	411
Other	21	16
Operating lease liabilities - current	22	21
Income taxes payable	30	33
Asbestos-related liabilities - current	80	90
Accrued and other current liabilities	161	145
Total current liabilities	1,159	1,187
Long-Term Debt	260	262
Pension and other postretirement benefits - noncurrent	279	298
Asbestos-related liabilities - noncurrent	804	857
Operating lease liabilities - noncurrent	82	87
Other noncurrent obligations	278	254
Liabilities, Other than Long-term Debt, Noncurrent	1,443	1,496
Common stock (authorized: 1,000 shares of $0.01 par value each; issued: 935.51 shares)	0	0
Additional paid-in capital	141	141
Retained earnings	2,509	2,605
Accumulated other comprehensive loss	(1,372)	(1,402)
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest	1,278	1,344
Total Liabilities and Equity	$ 4,140	$ 4,289