INCOME TAXES - Narrative (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Operating Loss Carryforwards [Line Items]
Increase (decrease) in valuation allowance	$ 4	$ 187
Valuation allowance for deferred tax assets	256	$ 252
Federal
Operating Loss Carryforwards [Line Items]
Gross net operating losses	76
State
Operating Loss Carryforwards [Line Items]
Gross net operating losses	$ 2,600