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RELATED-PARTY TRANSACTIONS - Legal Services Narrative (Details) - Related Party - Related Party Legal Services - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2025	Sep. 30, 2024	Sep. 30, 2025	Sep. 30, 2024	Dec. 31, 2024
Related Party Transaction
General and administrative	$ 2	$ 5	$ 25	$ 16
Due to related party	$ 12		$ 12		$ 2

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