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Share-based Compensation - Expense allocation (Details) - CNY (¥) ¥ in Thousands | 12 Months Ended
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Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020
Share-based Compensation |  |  |
Share-based compensation expenses | ¥ 2,295,896 | ¥ 1,010,140 | ¥ 187,094
Cost of sales |  |  |
Share-based Compensation |  |  |
Share-based compensation expenses | 66,914 | 34,009 | 5,564
Research and development expenses |  |  |
Share-based Compensation |  |  |
Share-based compensation expenses | 1,323,370 | 406,940 | 51,024
Selling, general and administrative expenses |  |  |
Share-based Compensation |  |  |
Share-based compensation expenses | ¥ 905,612 | ¥ 569,191 | ¥ 130,506

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- Definition Amount of expense for award under share-based payment arrangement. Excludes amount capitalized. + 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 (h)(1)(i) -URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901 + Details
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