PROPERTY, PLANT AND EQUIPMENT - Operating Lease Assets and Liabilities (Details) - USD ($) $ in Millions	Sep. 30, 2020	Dec. 31, 2019
Property, Plant and Equipment [Line Items]
Right-of-use assets	$ 2,619	$ 2,896
Lease liabilities	2,943	3,162
GE Industrial
Property, Plant and Equipment [Line Items]
Lease liabilities	$ 3,117	$ 3,369