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Investment in equity investees (Details) - CNY (¥) ¥ in Millions | Dec. 31, 2024 | Dec. 31, 2023
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Measurement Alternative and NAV practical expedient investments |  |
Carrying amount of investment under NAV practical expedient | ¥ 8,529 | ¥ 8,133
Carrying values of equity investments measured at fair value using the Measurement Alternative | ¥ 14,027 | ¥ 18,153

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- Definition Amount of alternative investments, over which the Group do not have the ability to exercise significant influence, and are accounted for under the existing practical expedient in ASC Topic 820, Fair Value Measurements and Disclosures ("ASC 820") to estimate fair value using the net asset value per share (or its equivalent) of the investment ("NAV practical expedient"). + References No definition available. + 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 Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 321 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 3 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479536/321-10-50-3 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 321 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 3 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479536/321-10-50-3 Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 321 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 3 -Subparagraph (c) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479536/321-10-50-3 + Details
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