SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - DWR Loan (Details) - DWR Loan - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Government Assistance, Liability [Roll Forward]
Beginning balance	$ 296	$ 279	$ 98	$ 312
Proceeds received	368	0	600	0
Ending balance	651	245	651	245
Other Current Liabilities
Government Assistance, Liability [Roll Forward]
Total deduction	(8)	(15)	(20)	(15)
Performance-Based Disbursements
Government Assistance, Liability [Roll Forward]
Total deduction	(17)	(19)	(39)	(52)
Loan forgiveness and other adjustments
Government Assistance, Liability [Roll Forward]
Total deduction	$ 12	$ 0	$ 12	$ 0