ACQUISITIONS, GOODWILL AND OTHER INTANGIBLE ASSETS - Other Intangible Assets, Narrative (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017
Acquired Finite-Lived Intangible Assets [Line Items]
Decrease in intangible assets subject to amortization			$ 557
Amortization of intangible assets			1,171	$ 1,083
GE
Acquired Finite-Lived Intangible Assets [Line Items]
Amortization of intangible assets	$ 540	$ 530	1,141	1,049
GE Capital
Acquired Finite-Lived Intangible Assets [Line Items]
Amortization of intangible assets	$ 15	$ 14	30	$ 34
Technology Intangible Assets
Acquired Finite-Lived Intangible Assets [Line Items]
Intangible assets acquired			$ 632