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COMMITMENTS AND CONTINGENCIES - ADDITIONAL INFORMATION (Details)				1 Months Ended	12 Months Ended
	Dec. 16, 2020 USD ($)	Apr. 29, 2019 stockholder	Jan. 11, 2018	Dec. 31, 2020 USD ($)	Dec. 31, 2020 USD ($)	Jun. 07, 2018 reporting_unit distributors
Loss Contingencies [Line Items]
Litigation settlement amount	$ 1,000,000
Payments for legal settlements				$ 1,000,000
Employment agreement terms, minimum period of employment			8 years
Number of class action lawsuits | reporting_unit						2
Number of distributors | distributors						3
Number of plaintiffs | stockholder		2
Worthless stock deduction amount					$ 546,000,000
IRS | Tax Year 2012
Loss Contingencies [Line Items]
Liability (refund) from income tax examination				(5,000,000)	(5,000,000)
IRS | Tax Year 2013
Loss Contingencies [Line Items]
Liability (refund) from income tax examination				$ 0	0
IRS | Tax Year 2014
Loss Contingencies [Line Items]
Penalties expense					17,000,000
Swedish Tax Agency
Loss Contingencies [Line Items]
Possible tax expense					$ 57,000,000

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The tax effects of employee stock option transactions that are recognized differently for financial reporting and tax purposes, occurring during the period and charged or credited directly to shareholders' equity.

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