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v3.23.1

Principal Accounting Policies - Intangible assets, advertising expenses and foreign currency translation (Details) ¥ in Millions, $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2022 CNY (¥) $ / ¥ | Dec. 31, 2022 USD ($) $ / ¥ | Dec. 31, 2021 CNY (¥) | Dec. 31, 2020 CNY (¥)
Advertising Expense |  |  |  |
Advertising expenses | ¥ 5,196.0 | $ 753.4 | ¥ 3,762.8 | ¥ 3,782.1
Foreign currency translation |  |  |  |
Buying rate per US$ | 6.8972 | 6.8972 |  |
License right |  |  |  |
Intangible assets |  |  |  |
Estimated useful lives of assets | over the license period | over the license period |  |
Technology | Equal to or more than |  |  |  |
Intangible assets |  |  |  |
Estimated useful lives of assets | 7 years | 7 years |  |
Technology | Less than |  |  |  |
Intangible assets |  |  |  |
Estimated useful lives of assets | 10 years | 10 years |  |
Trademark |  |  |  |
Intangible assets |  |  |  |
Estimated useful lives of assets | 10 years | 10 years |  |

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- Definition Amount charged to advertising expense for the period, which are expenses incurred with the objective of increasing revenue for a specified brand, product or product line. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 720 -SubTopic 35 -Section 50 -Paragraph 1 -Subparagraph (b) -URI https://asc.fasb.org/extlink&oid=6420018&loc=d3e36677-107848 + Details
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