PROPERTY, PLANT AND EQUIPMENT AND OPERATING LEASES (Details) - USD ($) $ in Millions	Jun. 30, 2022	Dec. 31, 2021
Property, Plant and Equipment [Abstract]
Original cost	$ 31,257	$ 31,904
Less accumulated depreciation and amortization	(18,857)	(18,901)
Right-of-use operating lease assets	2,390	2,606
Property, plant and equipment – net	$ 14,790	$ 15,609
Operating Lease, Right-of-Use Asset, Statement of Financial Position	Property, plant and equipment – net	Property, plant and equipment – net