INCOME TAXES - Unrecognized Tax Benefits (Details) - USD ($) $ in Millions	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Significant Change in Unrecognized Tax Benefits is Reasonably Possible [Line Items]
Unrecognized tax benefits	$ 2,824	$ 3,399	$ 3,951	$ 4,224
Portion that, if recognized, would reduce tax expense and effective tax rate	2,110	2,708	3,072
Accrued interest on unrecognized tax benefits	609	635	614
Accrued penalties on unrecognized tax benefits	14	111	111
Minimum
Significant Change in Unrecognized Tax Benefits is Reasonably Possible [Line Items]
Reasonably possible reduction to the balance of unrecognized tax benefits in succeeding 12 months	0	0	0
Portion that, if recognized, would reduce tax expense and effective tax rate	0	0	0
Maximum
Significant Change in Unrecognized Tax Benefits is Reasonably Possible [Line Items]
Reasonably possible reduction to the balance of unrecognized tax benefits in succeeding 12 months	300	610	650
Portion that, if recognized, would reduce tax expense and effective tax rate	$ 270	$ 550	$ 600