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DEBT - ADS Lending Arrangement (Details) $ / shares in Units, ¥ in Millions, $ in Millions | 12 Months Ended |  |  |  |  |
--- | --- | --- | --- | --- | --- | ---
Dec. 31, 2017 CNY (¥) shares | Dec. 31, 2021 shares | Dec. 31, 2020 shares | Dec. 31, 2019 shares | May 31, 2018 shares | Dec. 31, 2017 USD ($) $ / shares
Debt Instrument [Line Items] |  |  |  |  |  |
ADS to ordinary share ratio |  |  |  |  | 1 |
ADS Lending Arrangement |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Number of Loaned ADS lent | 2,606,278 |  |  |  |  |
ADS par value per share | $ / shares |  |  |  |  |  | $ 0.0004
ADS to ordinary share ratio |  |  |  |  | 4 |
Loand ADS outstanding |  | 10,425,112 | 10,425,112 | 10,425,112 |  |
Debt issuance costs | ¥ 26 |  |  |  |  | $ 4

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- Definition The number of loaned American Depositary Stock lent. + References No definition available. + Details
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- Definition Amount, before accumulated amortization, of debt issuance costs. Includes, but is not limited to, legal, accounting, underwriting, printing, and registration costs. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 45 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=124435984&loc=d3e28555-108399 + Details
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- Details
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