Fair value portion of cash which is restricted as to withdrawal or usage.

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- Definition

Fair value portion of probable future economic benefits obtained or controlled by an entity as a result of past transactions or events.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 820
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=117815213&loc=d3e19207-110258

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- References

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- Definition

Fair value portion of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates.

+ References

No definition available.

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- Definition

Fair value portion of investment securities, including, but not limited to, marketable securities, derivative financial instruments, and investments accounted for under the equity method.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 820
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=117815213&loc=d3e19207-110258

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- Definition

Amount of investment in marketable security, classified as noncurrent.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.12)
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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Fair value measurement (Details) ¥ in Thousands, $ in Thousands	Sep. 30, 2019 CNY (¥)	Sep. 30, 2019 USD ($)	Dec. 31, 2018 CNY (¥)
Assets
Investment securities	¥ 15,707,634	$ 2,197,579	¥ 15,901,573
Recurring basis
Assets
Restricted cash	2,634,589		3,239,613
Total assets	48,362,292		21,077,379
Recurring basis \| Wealth management products
Assets
Short-term investments	24,465,240		1,934,820
Recurring basis \| Listed equity securities
Assets
Investment securities	15,707,634		15,901,573
Recurring basis \| Money market funds
Assets
Cash equivalents	5,554,829		1,373
Recurring basis \| Quoted Prices in Active Markets for Identical Assets (Level 1)
Assets
Total assets	21,262,463		15,902,946
Recurring basis \| Quoted Prices in Active Markets for Identical Assets (Level 1) \| Listed equity securities
Assets
Investment securities	15,707,634		15,901,573
Recurring basis \| Quoted Prices in Active Markets for Identical Assets (Level 1) \| Money market funds
Assets
Cash equivalents	5,554,829		1,373
Recurring basis \| Significant Other Observable Inputs (Level 2)
Assets
Restricted cash	2,634,589		3,239,613
Total assets	27,099,829		5,174,433
Recurring basis \| Significant Other Observable Inputs (Level 2) \| Wealth management products
Assets
Short-term investments	¥ 24,465,240		¥ 1,934,820