PROPERTY, PLANT AND EQUIPMENT AND OPERATING LEASES - Schedule of Property, Plant and Equipment (Details) - USD ($) $ in Millions	Mar. 31, 2023	Dec. 31, 2022
Property, Plant and Equipment [Abstract]
Original cost	$ 26,957	$ 26,641
Less accumulated depreciation and amortization	(16,640)	(16,303)
Right-of-use operating lease assets	1,853	1,854
Property, plant and equipment – net	$ 12,170	$ 12,192
Operating Lease, Right-of-Use Asset, Statement of Financial Position [Extensible Enumeration]	Property, plant and equipment – net	Property, plant and equipment – net