SHAREOWNERS’ EQUITY - Other (Details) - GE Capital - GE - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017
Related Party Transaction [Line Items]
Common dividends	$ 0	$ 2,105,000,000	$ 0	$ 4,105,000,000
Cash dividends	$ 2,016,000,000	$ 2,016,000,000	$ 4,016,000,000	$ 4,016,000,000