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Commitment and Contingencies - Additional Information (Detail)			12 Months Ended
	Dec. 31, 2013 Network Infrastructure and Buildings USD ($)	Dec. 31, 2013 Network Infrastructure and Buildings CNY	Dec. 31, 2013 Office USD ($)	Dec. 31, 2013 Office CNY	Dec. 31, 2012 Office CNY	Dec. 31, 2011 Office CNY	Dec. 31, 2013 IDC Facilities USD ($)	Dec. 31, 2013 IDC Facilities CNY	Dec. 31, 2012 IDC Facilities CNY	Dec. 31, 2011 IDC Facilities CNY	Dec. 31, 2013 Obligations related to the entity's directors and officers USD ($)	Dec. 31, 2013 Obligations related to the entity's directors and officers CNY	Dec. 31, 2012 Obligations related to the entity's directors and officers CNY
Commitments and Contingencies Disclosure [Line Items]
Capital commitments contracted not yet reflected in financial statements	$ 257,690,000	1,560,000,000
Total operating lease expense			47,010,000	284,580,000	196,590,000	137,080,000	320,470,000	1,940,000,000	1,070,000,000	626,440,000
Fair value of indemnification obligations related to the entity's directors and officers											$ 0	0	0

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Fair value portion of guarantee, including, but not limited to, financial standby letter of credit, fair value guarantee, guarantee of collection of scheduled contractual cash flows from financial assets, and contracts that contingently require the guarantor to make payments or perform services.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 460

-SubTopic 10

-Section 50

-Paragraph 5

-Subparagraph (a)

-URI http://asc.fasb.org/extlink&oid=6851643&loc=d3e12201-110248

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Rental expense for the reporting period incurred under operating leases, including minimum and any contingent rent expense, net of related sublease income.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 840

-SubTopic 20

-Section 50

-Paragraph 1

-URI http://asc.fasb.org/extlink&oid=6453985&loc=d3e41499-112717

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Minimum amount of purchase arrangement in which the entity has agreed to expend funds to procure goods or services from a supplier.

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