Accounts Payable and Accrued Liabilities (Detail) In Thousands, unless otherwise specified	Dec. 31, 2011 USD ($)	Dec. 31, 2011 CNY	Dec. 31, 2010 CNY
Accounts Payable and Accrued Liabilities [Line Items]
Accrued payroll and welfare	$ 41,512	261,273	150,160
Accrued operating expenses	86,937	547,176	297,248
Tax payable	71,886	452,441	295,432
Distributors' and customers' deposits	9,785	61,589	14,953
Purchase of fixed assets	43,968	276,731	277,669
Traffic acquisition costs	33,204	208,980	133,864
Bandwidth costs	12,244	77,061	34,488
Professional expenses	6,324	39,803	25,937
Deposits on online payment platform	5,889	37,067	38,278
Payable for business acquisitions	69,828	439,488	1,000
Others	22,853	143,836	48,742
Accounts payable and accrued liabilities	$ 404,430	2,545,445	1,317,771

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Aggregate carrying amount, as of the balance sheet date, of current accounts payable and accrued liabilities not separately disclosed in the balance sheet due to materiality considerations. Current accounts payable and accrued liabilities are expected to be paid within one year (or the normal operating cycle, if longer).

+ References

No definition available.

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- Definition

Carrying value as of the balance sheet date of obligations incurred and payable to telecommunication operators for their telecommunication services and for hosting our servers at their Internet data centers. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

+ References

No definition available.

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- Definition

The carrying amount of deposits made by consumers and users on the entity's online payment platform. The deposits are considered restricted because they cannot be used for the operations of the entity or any other purpose not designated by the consumers and users. When the consumers and users fund their accounts in entity's online payment platform using their bank accounts, the deposited balance is included in the entity's bank account until the consumers and users either use the cash to settle their online transactions or withdraw the cash.

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No definition available.

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- Definition

Carrying value as of the balance sheet date of obligations payable for distributors' and customers' deposits. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle, if longer).

+ References

No definition available.

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- Definition

Carrying value as of the balance sheet date of payable for business acquisitions. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

+ References

No definition available.

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Carrying value as of the balance sheet date of obligations payable to vendors for purchase of fixed assets that are used in an entity's business. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle, if longer).

+ References

No definition available.

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- Definition

Carrying value as of the balance sheet date of obligations payable to the entity's union members for acquisition of traffic. The entity's union is the program through which the entity expands distribution of its customers sponsored links or advertisements by leveraging traffic of the entity's union members internet properties or distributing the entitys customers paid links through union members properties. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

+ References

No definition available.

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Sum of the carrying values as of the balance sheet date of obligations incurred through that date and due within one year (or the operating cycle, if longer), including liabilities incurred (and for which invoices have typically been received) and payable to vendors for goods and services received, taxes, interest, rent and utilities, accrued salaries and bonuses, payroll taxes and fringe benefits.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

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Carrying value as of the balance sheet date of obligations incurred and payable, pertaining to costs that are statutory in nature, are incurred on contractual obligations, or accumulate over time and for which invoices have not yet been received or will not be rendered. Examples include taxes, interest, rent and utilities. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 20

-Article 5

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- Definition

Carrying value as of the balance sheet date of obligations incurred through that date and payable for professional fees, such as for legal and accounting services received. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section 45

-Paragraph 8

-URI http://asc.fasb.org/extlink&oid=6361293&loc=d3e6935-107765

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-Publisher FASB

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-Publisher AICPA

-Name Accounting Research Bulletin (ARB)

-Number 43

-Chapter 3

-Section A

-Paragraph 7

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

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-Publisher FASB

-Name Accounting Standards Codification

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-Number 210

-Section 02

-Paragraph 20

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Reference 6: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Glossary Current Liabilities

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Reference 7: http://www.xbrl.org/2003/role/presentationRef

-Publisher AICPA

-Name Accounting Research Bulletin (ARB)

-Number 43

-Chapter 3

-Section A

-Paragraph 8

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

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Total of the carrying values as of the balance sheet date of obligations incurred through that date and payable for obligations related to services received from employees, such as accrued salaries and bonuses, payroll taxes and fringe benefits. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 20

-Article 5

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.20)

-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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Carrying value as of the balance sheet date of obligations incurred and payable for statutory income, sales, use, payroll, excise, real, property and other taxes. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

+ References

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