INCOME TAXES - Narrative (Details) - USD ($) |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2021 |
Dec. 31, 2020 |
Dec. 31, 2019 |
|
| Income Tax Disclosure [Abstract] | |||
| Valuation of deferred tax assets | $ 1,458,000,000 | $ 470,000,000 | |
| Increase in valuation allowance | $ (988,000,000) | (293,000,000) | $ (105,000,000) |
| Effective tax rate (as a percent) | 0.00% | ||
| Operating Loss Carryforwards [Line Items] | |||
| Operating loss carryforwards, subject to expiration | $ 4,234,000,000 | ||
| Tax credit carryforward | 100,000,000 | ||
| Uncertain tax positions | 0 | $ 0 | |
| United States | |||
| Operating Loss Carryforwards [Line Items] | |||
| Operating loss carryforwards | 81,000,000 | ||
| State and Local Jurisdiction | |||
| Operating Loss Carryforwards [Line Items] | |||
| Operating loss carryforwards | $ 3,375,000,000 | ||