Consolidated Balance Sheets - USD ($) $ in Millions	Sep. 30, 2020	Dec. 31, 2019
Statement of Financial Position [Abstract]
Cash and cash equivalents	$ 11	$ 11
Trade (net of allowance for doubtful receivables 2020: $-; 2019: $-)	16	26
Allowance for doubtful accounts	0	0
Related companies	694	658
Other	21	17
Income taxes receivable	336	337
Notes receivable from related companies	1,498	1,505
Inventories	231	247
Other current assets	25	20
Total current assets	2,832	2,821
Investments in related companies	237	238
Other investments	22	22
Noncurrent receivables	122	118
Noncurrent receivables from related companies	66	66
Total investments	447	444
Property	7,289	7,247
Less accumulated depreciation	5,970	5,878
Net property	1,319	1,369
Intangible assets (net of accumulated amortization 2020: $92; 2019: $90)	18	22
Finite-Lived Intangible Assets, Accumulated Amortization	96	90
Operating lease right-of-use assets	81	89
Deferred Tax Assets, Deferred Income	486	507
Deferred charges and other assets	29	26
Total other assets	614	644
Total Assets	5,212	5,278
Notes payable - related companies	18	32
Notes Payable - Other	11	6
Long-term debt due within one year	1	1
Trade	214	218
Related companies	324	386
Other	26	10
Operating lease liabilities - current	15	16
Income taxes payable	25	25
Asbestos-related liabilities - current	90	105
Accrued and other current liabilities	156	126
Total current liabilities	880	925
Long-Term Debt	390	473
Pension and other postretirement benefits - noncurrent	1,110	1,154
Asbestos-related liabilities - noncurrent	1,027	1,060
Operating lease liabilities - noncurrent	67	74
Other noncurrent obligations	192	194
Liabilities, Other than Long-term Debt, Noncurrent	2,396	2,482
Common stock (authorized: 1,000 shares of $0.01 par value each; issued: 935.51 shares)	$ 0	$ 0
Common stock, shares authorized	1,000	1,000
Common stock, par value	$ 0.01	$ 0.01
Common stock, shares issued	935.51	935.51
Additional paid-in capital	$ 141	$ 141
Retained earnings	3,008	2,922
Accumulated other comprehensive loss	(1,603)	(1,665)
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest	1,546	1,398
Total Liabilities and Equity	$ 5,212	$ 5,278