INCOME TAXES (Deferred Tax Balances) (Details) - USD ($) $ in Millions	Dec. 31, 2021	Dec. 31, 2020
Income Tax Disclosure [Abstract]
Deferred Tax Assets, Property, Plant and Equipment	$ 484	$ 448
Deferred Tax Liabilities, Property, Plant and Equipment	3,150	3,337
Deferred Tax Assets, Loss and Credit Carryforwards	1,784	2,004
Deferred Tax Assets, Tax Deferred Expense, Compensation and Benefits, Postretirement Benefits	1,753	2,712
Deferred Tax Liabilities, Tax Deferred Expense, Compensation and Benefits, Postretirement Benefits	303	250
Deferred Tax Assets, Tax Deferred Expense, Reserves and Accruals, Other	1,487	1,542
Deferred Tax Liabilities, Deferred Expense, Reserves and Accruals, Other	191	78
Deferred Tax Assets, Goodwill and Intangible Assets	108	124
Deferred Tax Liabilities, Goodwill and Intangible Assets	556	638
Deferred Tax Assets, Inventory	33	30
Deferred Tax Liabilities, Inventory	203	198
Deferred Tax Assets, Investments	31	142
Deferred Tax Liabilities, Investments	26	51
Deferred Tax Assets, Other	1,093	858
Deferred Tax Liabilities, Other	101	196
Deferred Tax Assets, Gross	6,773	7,860
Deferred Tax Liabilities, Gross	4,530	4,748
Deferred Tax Assets, Valuation Allowance	(1,391)	(1,302)
Deferred Tax Assets, Net of Valuation Allowance	$ 5,382	$ 6,558