INVENTORY AND INVENTORY VALUATION - Narrative (Details) - USD ($) $ in Millions	6 Months Ended		12 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Dec. 31, 2023
Inventory [Line Items]
Inventory write-down	$ 148		$ 319
Accrued inventory, firm purchase commitments, current	31		$ 126
Charge to reflect the LCNRV of inventory and losses on firm purchase commitments	53	$ 220
End Of Line Vehicles
Inventory [Line Items]
Vehicles completed but awaiting final parts	$ 204