INCOME TAXES (Schedule of Deferred Tax Balances) (Details) - USD ($) $ in Millions	Dec. 31, 2021	Dec. 31, 2020
Income Tax Disclosure [Abstract]
Deferred Tax Assets, Property, Plant and Equipment	$ 0	$ 0
Deferred Tax Assets, Operating Loss and Tax Credit Carryforwards	23	34
Postretirement benefit obligations, Deferred Tax Assets	119	318
Other accruals and reserves, Deferred Tax Assets	313	313
Inventory, Deferred Tax Assets	0	4
Other - net, deferred tax assets	18	19
Subtotal, deferred tax assets	(473)	(688)
Valuation allowances, deferred tax assets	(12)	(18)
Total, deferred tax assets	461	670
Property, Deferred Tax Liabilities	167	172
Tax loss and credit carryforwards, Deferred Tax Liabilities,	0	0
Postretirement benefit obligations, Deferred Tax Liabilities	0	0
Other accruals and reserves, Deferred Tax Liabilities	6	4
Inventory, deferred tax liabilities	0	0
Other - net, deferred tax liabilities	0	0
Total, deferred tax liabilities	$ 173	$ 176