XML 88 R121.htm IDEA: XBRL DOCUMENT v3.20.1

Mezzanine equity (Narrative) (Details) $ / shares in Units, ¥ in Thousands, $ in Thousands					4 Months Ended	12 Months Ended
	Mar. 08, 2018 USD ($) shares	Mar. 08, 2018 CNY (¥) shares	Jul. 10, 2017 USD ($) $ / shares shares	Jul. 10, 2017 CNY (¥) shares	May 11, 2018 CNY (¥)	Dec. 31, 2019 USD ($)	Dec. 31, 2019 CNY (¥)	Dec. 31, 2018 USD ($) shares	Dec. 31, 2018 CNY (¥) shares	Dec. 31, 2017 CNY (¥)
Derivative, Gain (Loss) on Derivative, Net						$ (2,300)	¥ (16,011)		¥ (2,285,223)	¥ 0
Huya [Member]
Redeemable NonControlling Interest Equity Stock Issued During Period Shares New Issues | shares			22,058,823	22,058,823
Redeemable NonControlling Interest Equity Stock Issued During Period Value New Issues			$ 75,000	¥ 509,730
Temporary Equity, Accretion to Redemption Value									71,628	¥ 19,842
Derivative Liability									892,000
Derivative, Gain (Loss) on Derivative, Net									(2,285,223)
Proceeds from Issuance Initial Public Offering					¥ 795,073
Interest Ownership Percentage By Parent					44.00%	38.70%	38.70%
Additional Paid in Capital					¥ 4,804,947
Other Preferred Stock Dividends and Adjustments									¥ 489,284
Convertible Preferred Stock, Nonredeemable or Redeemable, Issuer Option, Value					¥ 4,009,874
Huya [Member] | Series A Preferred Stock [Member]
Shares Issued, Price Per Share | $ / shares			$ 3.4
Huya [Member] | Series B2 Preferred Shares [Member]
Redeemable NonControlling Interest Equity Stock Issued During Period Shares New Issues | shares	64,488,235	64,488,235
Redeemable NonControlling Interest Equity Stock Issued During Period Value New Issues	$ 461,600	¥ 2,919,112
Other Subsidiary
Redeemable NonControlling Interest Equity Stock Issued During Period Shares New Issues | shares								500,000,000	500,000,000
Redeemable NonControlling Interest Equity Stock Issued During Period Value New Issues								$ 50,000	¥ 345,420
Temporary Equity, Accretion to Redemption Value							¥ 34,448		¥ 5,758

X

- Definition

Excess of issue price over par or stated value of the entity's capital stock and amounts received from other transactions involving the entity's stock or stockholders. Includes adjustments to additional paid in capital. Some examples of such adjustments include recording the issuance of debt with a beneficial conversion feature and certain tax consequences of equity instruments awarded to employees. Use this element for the aggregate amount of additional paid-in capital associated with common and preferred stock. For additional paid-in capital associated with only common stock, use the element additional paid in capital, common stock. For additional paid-in capital associated with only preferred stock, use the element additional paid in capital, preferred stock.

+ 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(30)(a)(1))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

+ Details

Name:	us-gaap_AdditionalPaidInCapital
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

X

- Definition

Value of outstanding nonredeemable convertible preferred stock or outstanding convertible preferred stock that is redeemable solely at the option of the issuer.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section 50
-Paragraph 3
-URI http://asc.fasb.org/extlink&oid=109259400&loc=d3e21475-112644

Reference 2: 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(28))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

+ Details

Name:	us-gaap_ConvertiblePreferredStockNonredeemableOrRedeemableIssuerOptionValue
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

X

- Definition

Amount of increase (decrease) in the fair value of derivatives recognized in the income statement.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 4A
-Subparagraph (b)(1)
-URI http://asc.fasb.org/extlink&oid=109980867&loc=SL5618551-113959

+ Details

Name:	us-gaap_DerivativeGainLossOnDerivativeNet
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

X

- Definition

Fair value, after the effects of master netting arrangements, of a financial liability or contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes liabilities not subject to a master netting arrangement and not elected to be offset.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 20
-Section 50
-Paragraph 3
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=51824906&loc=SL20225862-175312

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 825
-SubTopic 10
-Section 50
-Paragraph 10
-URI http://asc.fasb.org/extlink&oid=118260190&loc=d3e13433-108611

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 20
-Section 55
-Paragraph 10
-URI http://asc.fasb.org/extlink&oid=99393222&loc=SL20226008-175313

+ Details

Name:	us-gaap_DerivativeLiabilities
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

X

- Definition

Amount of preferred stock dividends and adjustments classified as other.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 260
-SubTopic 10
-Section 45
-Paragraph 11
-URI http://asc.fasb.org/extlink&oid=117326831&loc=d3e1377-109256

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section S99
-Paragraph 7
-Subparagraph (SAB Topic 5.Q)
-URI http://asc.fasb.org/extlink&oid=27012166&loc=d3e187283-122770

+ Details

Name:	us-gaap_OtherPreferredStockDividendsAndAdjustments
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- Definition

The cash inflow associated with the amount received from entity's first offering of stock to the public.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 14
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3255-108585

+ Details

Name:	us-gaap_ProceedsFromIssuanceInitialPublicOffering
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- Definition

Per share or per unit amount of equity securities issued.

+ References

No definition available.

+ Details

Name:	us-gaap_SharesIssuedPricePerShare
Namespace Prefix:	us-gaap_
Data Type:	num:perShareItemType
Balance Type:	na
Period Type:	instant

X

- Definition

Value of accretion of temporary equity to its redemption value during the period.

+ References

No definition available.

+ Details

Name:	us-gaap_TemporaryEquityAccretionToRedemptionValue
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

X

- Definition

It represents the percentage of ownership.

+ References

No definition available.

+ Details

Name:	yy_InterestOwnershipPercentageByParent
Namespace Prefix:	yy_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

X

- Definition

Number of new stock classified as redeemable non controlling interest equity issued during the period

+ References

No definition available.

+ Details

Name:	yy_RedeemableNoncontrollingInterestEquityStockIssuedDuringPeriodSharesNewIssues
Namespace Prefix:	yy_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Value of new stock classified as redeemable non controlling interest equity issued during the period

+ References

No definition available.

+ Details

Name:	yy_RedeemableNoncontrollingInterestEquityStockIssuedDuringPeriodValueNewIssues
Namespace Prefix:	yy_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

X

- Details

Name:	srt_ConsolidatedEntitiesAxis=yy_HuyaIncMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_StatementClassOfStockAxis=us-gaap_SeriesAPreferredStockMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_StatementClassOfStockAxis=yy_SeriesB2PreferredSharesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	srt_ConsolidatedEntitiesAxis=yy_OtherSubsidiaryMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: