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PENSION AND POSTRETIREMENT EMPLOYEE BENEFIT PLANS - Actual Asset Allocations (Details) - Pension Benefit Plans | Dec. 31, 2019 | Dec. 31, 2018
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United States | Equity securities |  |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] |  |
Defined benefit plan, percentage of actual plan asset allocations | 55.00% | 52.00%
United States | Fixed income securities |  |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] |  |
Defined benefit plan, percentage of actual plan asset allocations | 44.00% | 47.00%
United States | Other |  |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] |  |
Defined benefit plan, percentage of actual plan asset allocations | 1.00% | 1.00%
Ireland, Germany, and Japan | Cash and cash equivalents |  |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] |  |
Defined benefit plan, percentage of actual plan asset allocations | 6.00% | 5.00%
Ireland, Germany, and Japan | Equity securities |  |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] |  |
Defined benefit plan, percentage of actual plan asset allocations | 25.00% | 20.00%
Ireland, Germany, and Japan | Fixed income securities |  |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] |  |
Defined benefit plan, percentage of actual plan asset allocations | 64.00% | 69.00%
Ireland, Germany, and Japan | Other |  |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] |  |
Defined benefit plan, percentage of actual plan asset allocations | 6.00% | 6.00%

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- Definition Percentage of target investment allocation to total plan assets. Includes, but is not limited to, percentage on weighted-average basis if more than one plan. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 55 -Paragraph 17 -URI http://asc.fasb.org/extlink&oid=118257860&loc=d3e4179-114921 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (d)(i) -URI http://asc.fasb.org/extlink&oid=118255775&loc=d3e1928-114920 + Details
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