INCOME TAXES - Narrative (Details) - USD ($)	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Income Tax Disclosure [Abstract]
Valuation of deferred tax assets	$ 4,866,000,000	$ 3,325,000,000
Increase in deferred tax assets valuation allowance	$ 1,541,000,000	$ 1,867,000,000	$ 988,000,000
Effective tax rate (as a percent)	0.00%	0.00%	0.00%
Operating Loss Carryforwards [Line Items]
Tax credit carryforward	$ 564,000,000
Tax credit carryforward, expiration period (in years)	20 years
Unrecognized tax benefits, income tax penalties and interest accrued	$ 0	$ 0
Unrecognized tax benefits that would impact effective tax rate	0
United States
Operating Loss Carryforwards [Line Items]
Operating loss carryforwards, subject to expiration	$ 81,000,000
Operating loss carryforwards expiration period	20 years
Operating loss carryforwards, not subject to expiration	$ 12,090,000,000
State and Local Jurisdiction
Operating Loss Carryforwards [Line Items]
Operating loss carryforwards	$ 9,154,000,000