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STOCKHOLDERS' EQUITY - EQUITY PLANS - SCHEDULE OF AGGREGATE OPTION AND AWARD ACTIVITY (Parenthetical) (Details)	12 Months Ended
	Dec. 31, 2018 shares
STOCKHOLDERS' EQUITY
Options granted (in shares)	9,265,000
Performance-Based Stock Options
STOCKHOLDERS' EQUITY
Options granted (in shares)	4,500,000

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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- Definition

Gross number of share options (or share units) granted during the period.

+ References

No definition available.

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