ACCUMULATED OTHER COMPREHENSIVE LOSS - Summary of Components of AOCI (Details) - USD ($) $ in Millions	Jun. 30, 2017	Dec. 31, 2016
Accumulated Other Comprehensive Income
Accumulated other comprehensive loss	$ 4,029	$ 3,258
Foreign currency translation adjustments
Accumulated Other Comprehensive Income
Accumulated other comprehensive loss	(1,930)	(2,074)
Pension and postretirement benefit plan adjustments, net of tax
Accumulated Other Comprehensive Income
Accumulated other comprehensive loss	(35)	(34)
Accumulated Other Comprehensive Loss
Accumulated Other Comprehensive Income
Accumulated other comprehensive loss	$ (1,965)	$ (2,108)

Amount of stockholders' equity (deficit), net of receivables from officers, directors, owners, and affiliates of the entity, attributable to both the parent and noncontrolling interests. Amount excludes temporary equity. Alternate caption for the concept is permanent equity.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 810
-SubTopic 10
-Section 55
-Paragraph 4I
-URI http://asc.fasb.org/extlink&oid=84234705&loc=SL4590271-111686

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 810
-SubTopic 10
-Section 45
-Paragraph 16
-URI http://asc.fasb.org/extlink&oid=96868048&loc=SL4568740-111683

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 810
-SubTopic 10
-Section 45
-Paragraph 15
-URI http://asc.fasb.org/extlink&oid=96868048&loc=SL4568447-111683

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