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INCOME TAXES - Narrative (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
INCOME TAXES - Narrative (Details) - USD ($) $ in Millions	Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2025	Jun. 30, 2024
Effective Income Tax Rate Reconciliation [Line Items]
Pre-tax income (loss)	$ 642	$ 587	$ 1,407	$ 3,671
Changes in valuation allowance	(5)	$ 7	(6)	(178)
Unrecognized tax benefits	71		71
Unrecognized tax benefits which, if recognized, would impact effective tax rate	69		69
Interest and penalties related to accrued liabilities for uncertain tax positions, recognized			2
Interest and penalties related to accrued liabilities for uncertain tax positions, recognized	$ 10		10
Interest Expense Carryforward Utilization
Effective Income Tax Rate Reconciliation [Line Items]
Increase (decrease) in deferred tax asset valuation			1	(194)
Realizability of Deferred Tax Assets
Effective Income Tax Rate Reconciliation [Line Items]
Increase (decrease) in deferred tax asset valuation			$ 7
State Interest Expense Carryforward
Effective Income Tax Rate Reconciliation [Line Items]
Increase (decrease) in deferred tax asset valuation				$ 16