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Finite-Lived Intangible Assets (Detail) In Thousands, unless otherwise specified	Dec. 31, 2012 USD ($)	Dec. 31, 2012 CNY	Dec. 31, 2011 CNY	Dec. 31, 2012 Land use right USD ($)	Dec. 31, 2012 Land use right CNY	Dec. 31, 2011 Land use right CNY	Dec. 31, 2012 Customer relationships USD ($)	Dec. 31, 2012 Customer relationships CNY	Dec. 31, 2011 Customer relationships CNY	Dec. 31, 2012 Software USD ($)	Dec. 31, 2012 Software CNY	Dec. 31, 2011 Software CNY	Dec. 31, 2012 Trademarks USD ($)	Dec. 31, 2012 Trademarks CNY	Dec. 31, 2011 Trademarks CNY	Dec. 31, 2012 User List USD ($)	Dec. 31, 2012 User List CNY	Dec. 31, 2011 User List CNY	Dec. 31, 2012 Others USD ($)	Dec. 31, 2012 Others CNY	Dec. 31, 2011 Others CNY	Dec. 31, 2012 Licensed Copyrights Of Video Contents USD ($)	Dec. 31, 2012 Licensed Copyrights Of Video Contents CNY
Finite-Lived Intangible Assets [Line Items]
Finite-lived intangible assets, gross carrying value		1,967,912	1,125,672		298,600	223,309		307,104	254,169		215,195	132,414		320,527	320,527		233,570	158,070		181,250	37,183		411,666
Finite-lived intangible assets, accumulated amortization		(388,310)	(153,790)		(16,498)	(11,252)		(64,420)	(40,168)		(75,131)	(45,288)		(46,639)	(14,567)		(78,205)	(23,418)		(27,575)	(19,097)		(79,842)
Finite-lived intangible assets, impairment loss		(2,347)	(5,540)		0	0		0	(1,031)		(2,347)	(3,424)		0	0		0	0		0	(1,085)		0
Finite-lived intangible assets, net carrying value	$ 253,167	1,577,255	966,342	$ 45,281	282,102	212,057	$ 38,953	242,684	212,970	$ 22,105	137,717	83,702	$ 43,962	273,888	305,960	$ 24,938	155,365	134,652	$ 24,667	153,675	17,001	$ 53,261	331,824

X

- Definition

The amount of accumulated impairment loss as the reporting date resulting from the write-down of the carrying amount of an definite-lived intangible asset to fair value.

+ References

No definition available.

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- Definition

Accumulated amount of amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 350

-SubTopic 30

-Section 50

-Paragraph 2

-Subparagraph (a)(1)

-URI http://asc.fasb.org/extlink&oid=7658586&loc=d3e16323-109275



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-Publisher FASB

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-Number 142

-Paragraph 45

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-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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- Definition

Amount before amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

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-URI http://asc.fasb.org/extlink&oid=7658586&loc=d3e16323-109275



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-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

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-Paragraph 45

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- Definition

Amount after amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 350

-SubTopic 30

-Section 50

-Paragraph 2

-Subparagraph (a)(1)

-URI http://asc.fasb.org/extlink&oid=7658586&loc=d3e16323-109275



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-Name Statement of Financial Accounting Standard (FAS)

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