SHARE-BASED COMPENSATION Performance Measurement Factors (Details) - Executive - PLC LTIP - Restricted Stock Units (RSUs) - Performance-based	12 Months Ended
Dec. 31, 2019	Dec. 31, 2018
2018 Grant [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Average return on net assets, percent		50.00%
Cumulative net income, percent		25.00%
Relative total shareholder return, percent		25.00%
2016 - 2017 Former Parent Grants
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Average return on net assets, percent		50.00%
Cumulative net income, percent		25.00%
Relative total shareholder return, percent		25.00%
2013 - 2015 Former Parent Grants
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Average return on net assets, percent		50.00%
Cumulative earnings per share, percent		30.00%
Relative total shareholder return, percent		20.00%
2019 Grant [Member] [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Relative total shareholder return, percent	50.00%

- Definition

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- Definition

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- Definition

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- Definition

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