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RESTRUCTURING - Narrative (Details) $ in Millions |  | 1 Months Ended | 3 Months Ended | 12 Months Ended
--- | --- | --- | --- | ---
Apr. 18, 2023 USD ($) employee | Nov. 30, 2022 employee | Dec. 31, 2023 USD ($) employee workforceReduction | Dec. 31, 2023 USD ($) | Dec. 31, 2022 USD ($)
Accounts Payable And Other Accrued Expenses |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Restructuring costs |  |  |  | $ 3 |
2023 Restructuring Activities |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Number of workforce reductions during period | workforceReduction |  |  | 2 |  |
Number of employees, (approximately) | employee | 560 |  | 120 |  |
Reduction in workforce, percent of employees (approximately) | 22.00% |  | 6.00% |  |
Post-employment benefits,(approximately) | $ 10 |  | $ 1 |  |
2023 Restructuring Activities | Employee Severance |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Post-employment benefits to be paid (approximately) |  |  | $ 4 | $ 4 |
2022 Restructuring Activities |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Number of employees, (approximately) | employee |  | 550 |  |  |
Post-employment benefits,(approximately) |  |  |  |  | $ 17
Reduction in Company’s headcount (as a percent) |  | 18.00% |  |  |

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