RESTRUCTURING AND ASSET RELATED CHARGES - NET RESTRUCTURING AND ASSET RELATED CHARGES - NET (Other) (Details) - USD ($) $ in Millions	3 Months Ended
Mar. 31, 2019	Mar. 31, 2018
Restructuring and Related Activities [Abstract]
Restructuring, Settlement and Impairment Provisions	$ 232	$ 165

Amount of restructuring charges, remediation cost, and asset impairment loss.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 220
-SubTopic 10
-Section S99
-Paragraph 2
-Subparagraph (SX 210.5-03.3)
-URI http://asc.fasb.org/extlink&oid=115205541&loc=SL114868664-224227

Name:	us-gaap_RestructuringSettlementAndImpairmentProvisions
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration