CONTINGENCIES (Oil and Gas Properties) (Details) $ in Millions	12 Months Ended
	Dec. 31, 2025 USD ($) well platform	Dec. 31, 2024 USD ($)	Dec. 31, 2023 USD ($)	Dec. 31, 2022 USD ($)
Loss Contingencies [Line Items]
ARO, noncurrent	$ 3,836	$ 3,684	$ 3,001	$ 3,043
Freeport-McMoRan Oil & Gas
Loss Contingencies [Line Items]
ARO, noncurrent	$ 593
Number of productive oil wells | well	150
Number of platforms and other structures | platform	130
Adjustment in ARO	$ 78	163	$ 91
Adjustment at PT-FI	$ 31	$ 116