ACQUISITIONS/DIVESTITURES - Microelectronics Disposal Group (Details) - Microelectronics business - Discontinued Operations, Disposed of by Means Other than Sale - USD ($) $ in Millions	1 Months Ended	3 Months Ended
Dec. 31, 2017	Dec. 31, 2016	Sep. 30, 2015
Discontinued Operations
Net cash transferred	$ 250	$ 500	$ 515
Cash consideration transferred, before adjustments			$ 750

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