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Fair Value Measurement - Additional Information (Details) ¥ in Millions | 12 Months Ended
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Dec. 31, 2019 CNY (¥) item | Dec. 31, 2018 CNY (¥) item
Fair Value Measurement |  |
Number of consolidated investment funds | item | 2 | 2
Equity investments without readily determinable fair value | ¥ | ¥ 312,916 | ¥ 279,349

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- Definition Consolidated Investment Funds + References No definition available. + Details
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- Definition Amount of investment in equity security without readily determinable fair value. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 321 -SubTopic 10 -Section 50 -Paragraph 3 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=116654751&loc=SL75117539-209714 + Details
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- References No definition available. + Details
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