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Share-based Compensation - Description of share option plans (Details) - CNY (¥) ¥ in Millions | 12 Months Ended |
--- | --- | ---
Dec. 31, 2022 | Jul. 31, 2014
Restricted Stock Units (RSUs) [Member] |  |
Description of share option plans |  |
Share based compensation by share based award equity instruments other than options vested during the period | 0 |
Minimum |  |
Description of share option plans |  |
Vesting Period | 0 years |
Expiration period | 6 years |
Minimum | Restricted Stock Units (RSUs) [Member] |  |
Description of share option plans |  |
Vesting Period | 0 years |
Maximum |  |
Description of share option plans |  |
Vesting Period | 6 years |
Expiration period | 7 years |
Maximum | Restricted Stock Units (RSUs) [Member] |  |
Description of share option plans |  |
Vesting Period | 4 years |
2018 Plan | Restricted Stock Units (RSUs) [Member] |  |
Description of share option plans |  |
Total unrecognized compensation expenses related to unvested awards | ¥ 292.0 |
Weighted average remaining vesting period | 3 years 10 months 24 days |
Global Share Plan and 2018 Plan [Member] |  |
Description of share option plans |  |
Total unrecognized compensation expenses related to unvested awards | ¥ 3,415.8 |
Weighted average remaining vesting period | 3 years 6 months |
Class Z Ordinary Shares | Global Share Plan | Maximum |  |
Description of share option plans |  |
Aggregate number of shares issuable under the plan |  | 19,880,315
Class Z Ordinary Shares | 2018 Plan |  |
Description of share option plans |  |
Aggregate number of shares issuable under the plan | 30,673,710 |
Number of Shares Available for Grant | 28,706,326 |
Share-based compensation arrangement by share-based payment award, percentage of outstanding stock maximum | 10.00% |
Class Z Ordinary Shares | 2018 Plan | Maximum |  |
Description of share option plans |  |
Aggregate number of shares issuable under the plan | 33,132,989 |

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- Definition Amount of cost to be recognized for option under share-based payment arrangement. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (i) -URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901 + Details
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- Definition Period over which grantee's right to exercise award under share-based payment arrangement is no longer contingent on satisfaction of service or performance condition, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. Includes, but is not limited to, combination of market, performance or service condition. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a)(1) -URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901 + Details
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- Definition The number of equity-based payment instruments, excluding stock (or unit) options, that vested during the reporting period. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(2)(iii)(02) -URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901 + Details
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
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- Definition Number of shares authorized for issuance under share-based payment arrangement. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a)(3) -URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901 + Details
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- Definition The difference between the maximum number of shares (or other type of equity) authorized for issuance under the plan (including the effects of amendments and adjustments), and the sum of: 1) the number of shares (or other type of equity) already issued upon exercise of options or other equity-based awards under the plan; and 2) shares (or other type of equity) reserved for issuance on granting of outstanding awards, net of cancellations and forfeitures, if applicable. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901 + Details
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- Definition Period from grant date that an equity-based award expires, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a)(2) -URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901 + Details
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- Definition Weighted average remaining contractual term for fully vested and expected to vest options outstanding, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. Includes, but is not limited to, unvested options for which requisite service period has not been rendered but that are expected to vest based on achievement of performance condition, if forfeitures are recognized when they occur. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (e)(1) -URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901 + Details
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