ACQUISITIONS, GOODWILL AND OTHER INTANGIBLE ASSETS - Schedule of Unaudited Pro Forma Information (Details) - Baker Hughes - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017
Business Acquisition [Line Items]
Revenues	$ 30,104	$ 31,499	$ 58,764	$ 60,640
Earnings (loss) from continuing operations	$ 832	$ 1,014	$ 1,311	$ 982