ACQUISITIONS, DIVESTITURES AND OTHER TRANSACTIONS - Schedule of Environmental, Litigation, Tax and Other Reserves (Details) - Environmental Litigation Tax And Other Reserves From Retained Liabilities - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Accrual for Environmental Loss Contingencies [Roll Forward]
Balance - beginning of year	$ 1,711	$ 798	$ 828
Charged to costs and expenses	375	1,007	52
Charged to other accounts	53	11	26
Payments	(176)	(105)	(108)
Balance - end of year	1,963	1,711	798
Environmental litigation tax and other reserves, current	$ 116	$ 117	$ 102