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INVESTMENTS - Equity securities with readily determinable fair values (Details) - CNY (¥) ¥ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021
Equity securities with readily determinable fair values
Equity securities with readily determinable fair values, Cost	¥ 5,517	¥ 4,070
Equity securities with readily determinable fair values, Gross Unrealized Gains, including foreign exchange adjustment	6,958	5,097
Equity securities with readily determinable fair values, Gross Unrealized Losses, including foreign exchange adjustment	(541)	(596)
Equity securities with readily determinable fair values, Fair value	¥ 11,934	¥ 8,571

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- References

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Amount of investment in equity security measured at fair value with change in fair value recognized in net income (FV-NI), classified as current.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(2))
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-Section 45
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-Publisher FASB
-Name Accounting Standards Codification
-Topic 825
-SubTopic 10
-Section 45
-Paragraph 1A
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Cost of investment in equity security measured at fair value with change in fair value recognized in net income (FV-NI). Excludes equity method investment and investment in equity security without readily determinable fair value.

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Amount of unrealized gain on investment in equity security measured at fair value with change in fair value recognized in net income (FV-NI).

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 321
-SubTopic 10
-Section 50
-Paragraph 4
-URI https://asc.fasb.org/extlink&oid=126980263&loc=SL75117546-209714

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Amount of unrealized loss on investment in equity security measured at fair value with change in fair value recognized in net income (FV-NI).

+ References

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-Name Accounting Standards Codification
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