PENSION AND POSTRETIREMENT EMPLOYEE BENEFIT PLANS - Underfunded Plans (Details) - USD ($) $ in Millions	Dec. 31, 2018	Dec. 31, 2017
U.S. Plan
Underfunded plans having accumulated benefit obligations exceeding the fair value of plan assets
Projected benefit obligation	$ 214	$ 234
Accumulated benefit obligation	214	234
Fair value of plan assets	187	206
Non-U.S. Plans
Underfunded plans having accumulated benefit obligations exceeding the fair value of plan assets
Projected benefit obligation	235	254
Accumulated benefit obligation	225	244
Fair value of plan assets	$ 147	$ 155

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- Definition

Amount of accumulated benefit obligation for defined benefit plan with accumulated benefit obligation in excess of plan assets.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
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- Definition

Amount of plan asset for defined benefit plan with accumulated benefit obligation in excess of plan assets.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
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- Definition

Amount of projected benefit obligation for defined benefit pension plan with accumulated benefit obligation in excess of plan assets.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
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