BUSINESS SEGMENTS INFORMATION (Customers and Labor Matters) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Major Customer and Labor Matters [Line Items]
Revenues	$ 22,855	$ 22,780	$ 22,845
Affiliated Entity | PT Smelting
Major Customer and Labor Matters [Line Items]
Revenues	$ 27	$ 3,000	$ 3,100
PT Smelting | Revenue from Contract with Customer Benchmark [Member] | Customer Concentration Risk
Major Customer and Labor Matters [Line Items]
Concentration risk percentage		13.00%	14.00%
Global | Workforce Subject to Collective Bargaining Arrangements | Labor Force Concentration Risk
Major Customer and Labor Matters [Line Items]
Concentration risk percentage	29.00%
Global | Workforce Subject to Collective Bargaining Arrangements Expiring within One Year | Labor Force Concentration Risk
Major Customer and Labor Matters [Line Items]
Concentration risk percentage	16.00%