SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - ACCRUED LIABILITIES - NON CURRENT (Details) - USD ($) $ in Millions	Dec. 31, 2024	Dec. 31, 2023
Accounting Policies [Abstract]
Long term tax liabilities	$ 2,204	$ 2,072
Environmental remediation liabilities	1,759	889
Pension and postretirement obligations	1,022	931
Operating lease liabilities	614	727
Other	1,431	1,710
Accrued liabilities - non-current	$ 7,030	$ 6,329
Environmental loss contingency, noncurrent, statement of financial position	Other deferred credits and liabilities	Other deferred credits and liabilities
Operating lease, liability, noncurrent, statement of financial position	Other deferred credits and liabilities	Other deferred credits and liabilities