The cash inflow associated with the deconsolidation of a previously consolidated subsidiary or the sale of investment in consolidated subsidiaries (generally greater than 50 percent).

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
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The cash inflow associated with the sale of equity method investments, which are investments in joint ventures and entities in which the entity has an equity ownership interest normally of 20 to 50 percent and exercises significant influence.

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Expenses recognized resulting from transactions (excluding transactions that are eliminated in consolidated or combined financial statements) with related party.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 850
-SubTopic 10
-Section 50
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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.

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Purchases during the period (excluding transactions that are eliminated in consolidated or combined financial statements) with related party.

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The cash outflow for the payment of a long-term borrowing made from a related party where one party can exercise control or significant influence over another party; including affiliates, owners or officers and their immediate families, pension trusts, and so forth. Alternate caption: Payments for Advances from Affiliates.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
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-SubTopic 10
-Section 45
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Amount of revenue, fees and commissions earned from transactions between (a) a parent company and its subsidiaries; (b) subsidiaries of a common parent; (c) an entity and trusts for the benefit of employees, for example, but not limited to, pension and profit-sharing trusts that are managed by or under the trusteeship of the entity's management; (d) an entity and its principal, owners, management, or members of their immediate families; and (e) affiliates.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 225
-SubTopic 10
-Section S99
-Paragraph 2
-Subparagraph (SX 210.5-03.1(e))
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The cash outflow associated with payment on behalf of a related party, net of repayments.

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Cash outflow related to payments of interest-free loan to related parties.

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Represents the amount of other transaction with related parties during the reporting period.

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Related party transactions (Schedule of Significant Related Party Transactions) (Details) ¥ in Thousands, $ in Thousands	12 Months Ended
	Dec. 31, 2017 CNY (¥)	Dec. 31, 2017 USD ($)	Dec. 31, 2016 CNY (¥)	Dec. 31, 2015 CNY (¥)
Related party transactions [Line Items]
Loan to related parties	¥ 24,962		¥ 44,500	¥ 159,000
Payment on behalf of related parties, net of repayments	(23,116)	$ (3,553)	10,699	(60,870)
Repayment of loans from related parties	35,462		0	160,000
Online games revenue [Member]
Related party transactions [Line Items]
Revenue shared from related parties	87,414		100,078	163,912
Guangzhou Chenjun Equity Investment Limited Partnership [Member]
Related party transactions [Line Items]
Partial disposal of a subsidiary to Guangzhou Chenjun	0		24,394	0
Guangzhou Chenjun [Member]
Related party transactions [Line Items]
Partial disposal of an equity investment to Guangzhou Chenjun	35,160		33,750	0
Guangzhou Sunhongs [Member] \| Bandwidth service [Member]
Related party transactions [Line Items]
Expense with related party	92,068		96,224	74,661
Other Related Party [Member]
Related party transactions [Line Items]
Other transaction with related parties	14,987		13,573	21,153
Other Related Party [Member] \| Operating Rights [Member]
Related party transactions [Line Items]
Purchase of operating rights from related party	¥ 0		¥ 0	¥ 21,508