INVESTMENTS AND FAIR VALUE MEASUREMENT - SCHEDULE OF CHANGES IN ESTIMATED FAIR VALUE OF CONVERTIBLE NOTES AND WARRANT LIABILITY (Details) - USD ($) $ in Millions |
3 Months Ended | 9 Months Ended | |
|---|---|---|---|
Sep. 30, 2021 |
Sep. 30, 2022 |
Sep. 30, 2021 |
|
| Convertible notes | |||
| Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] | |||
| Beginning of period, January 1, 2021 | $ 0 | ||
| Issued during the period | 3,299 | ||
| Change in fair value | $ 28 | 1,919 | $ 1,900 |
| Reclassifications to equity | (5,218) | ||
| End of period, September 30, 2021 | 0 | ||
| Warrants | |||
| Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] | |||
| Beginning of period, January 1, 2021 | 0 | ||
| Issued during the period | 253 | ||
| Change in fair value | $ 2 | 127 | $ 127 |
| Reclassifications to equity | (380) | ||
| End of period, September 30, 2021 | $ 0 | ||