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SHARE-BASED COMPENSATION - Summary of Stock-Based Compensation Expense (Parenthetical) (Details) - CNY (¥) ¥ in Thousands |  | 1 Months Ended | 6 Months Ended | 9 Months Ended
--- | --- | --- | --- | ---
Nov. 27, 2020 | Jun. 30, 2021 | Jun. 30, 2022 | Jun. 30, 2021 | Sep. 30, 2022 | Sep. 30, 2021
stockbased compensation expense [Line Items] |  |  |  |  |  |
share-based compensation expenses |  |  | ¥ 283,046 | ¥ 1,709,251 | ¥ 447,961 | ¥ 1,808,174
General and administrative expenses |  |  |  |  |  |
stockbased compensation expense [Line Items] |  |  |  |  |  |
share-based compensation expenses |  |  | ¥ 87,999 | ¥ 1,610,559 | ¥ 131,199 | ¥ 1,643,447
TECHWOLF LIMITED | Class B ordinary shares |  |  |  |  |  |
stockbased compensation expense [Line Items] |  |  |  |  |  |
Number of new stock issued during the period | 24,780,971 | 24,745,531 |  |  |  |
TECHWOLF LIMITED | General and administrative expenses |  |  |  |  |  |
stockbased compensation expense [Line Items] |  |  |  |  |  |
share-based compensation expenses |  | ¥ 1,506,400 |  |  |  |

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