PROPERTY, PLANT AND EQUIPMENT AND OPERATING LEASES - Schedule of Property, Plant and Equipment (Details) - USD ($) $ in Millions	Jun. 30, 2024	Dec. 31, 2023
Property, Plant and Equipment [Abstract]
Original cost	$ 15,439	$ 15,338
Less accumulated depreciation and amortization	(9,430)	(9,252)
Right-of-use operating lease assets	1,086	1,160
Property, plant and equipment – net	$ 7,095	$ 7,246
Operating Lease, Right-of-Use Asset, Statement of Financial Position [Extensible Enumeration]	Property, plant and equipment – net	Property, plant and equipment – net