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RESTRUCTURING (Details) $ in Millions |  | 1 Months Ended | 12 Months Ended
--- | --- | --- | ---
Apr. 15, 2020 employee | Nov. 30, 2022 employee | Dec. 31, 2022 USD ($) | Dec. 31, 2021 USD ($) | Dec. 31, 2020 USD ($)
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Restructuring |  |  | $ 17 | $ 0 | $ 29
2022 Restructuring Activities |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Reduction in workforce, number of employees | employee |  | 550 |  |  |
Reduction in Company’s headcount (as a percent) |  |  | 18.00% |  |
Severance costs |  |  | $ 17 |  |
Restructuring costs |  |  | 13 |  |
2022 Restructuring Activities | Accounts Payable And Other Accrued Expenses |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Restructuring costs |  |  | $ 4 |  |
2020 Restructuring Activities |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Reduction in workforce, number of employees | employee | 600 |  |  |  |
2020 Restructuring Activities | Cost of revenue |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Restructuring |  |  |  |  | 2
2020 Restructuring Activities | Sales, marketing and operations | Revision of Prior Period, Adjustment |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Restructuring |  |  |  |  | 29
2020 Restructuring Activities | Employee Severance |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Restructuring |  |  |  |  | 11
2020 Restructuring Activities | Contract Termination |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Restructuring |  |  |  |  | $ 18

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