XML 140 R142.htm IDEA: XBRL DOCUMENT v3.20.1
Subsequent events (Narrative) (Details) - Scenario, Forecast [Member] - Linen Investment Limited - Huya [Member]
$ in Millions
Apr. 03, 2020
USD ($)
shares
Subsequent events [Line Items]  
Discontinued Operation, Equity Method Investment Retained after Disposal, Ownership Interest after Disposal 31.20%
Discontinued Operation Equity Method Investment Retained After Disposal Voting Power After Disposal 43.00%
Class A common shares  
Subsequent events [Line Items]  
Discontinued Operation Equity Method Investment Sold 16,523,819
Disposal Group, Including Discontinued Operation, Consideration | $ $ 262.6
Class B common shares  
Subsequent events [Line Items]  
Discontinued Operation Equit yMethod Investment Retained After Disposal Share Afte rDisposal 68,374,463