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Taxation - Reconciliation of Accrued Unrecognized Tax Positions (Detail) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2014 USD ($)	Dec. 31, 2014 CNY	Dec. 31, 2013 CNY
Income Tax Disclosure [Abstract]
Balance at beginning of year	$ 16,356us-gaap_UnrecognizedTaxBenefits	101,485us-gaap_UnrecognizedTaxBenefits	104,480us-gaap_UnrecognizedTaxBenefits
Additions based on tax positions related to the current year	1,433us-gaap_UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions	8,890us-gaap_UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions	19,182us-gaap_UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions
Additions (decrease) related to prior year tax position	197ccm_UnrecognizedTaxBenefitsIncreaseDecreasesResultingFromPriorPeriodTaxPositions	1,219ccm_UnrecognizedTaxBenefitsIncreaseDecreasesResultingFromPriorPeriodTaxPositions	(22,177)ccm_UnrecognizedTaxBenefitsIncreaseDecreasesResultingFromPriorPeriodTaxPositions
Decrease due to the disposal of CAH and WHT	(14,711)ccm_UnrecognizedTaxBenefitsDecreasesResultingFromDisposals	(91,274)ccm_UnrecognizedTaxBenefitsDecreasesResultingFromDisposals
Balance at end of year	$ 3,275us-gaap_UnrecognizedTaxBenefits	20,320us-gaap_UnrecognizedTaxBenefits	101,485us-gaap_UnrecognizedTaxBenefits

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- Definition

Unrecognized Tax Benefits Decreases Resulting From Disposals

+ References

No definition available.

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- Definition

Unrecognized Tax Benefits Increase Decreases Resulting From Prior Period Tax Positions

+ References

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- Definition

Amount of unrecognized tax benefits pertaining to uncertain tax positions taken in tax returns.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Glossary Unrecognized Tax Benefit

-URI http://asc.fasb.org/extlink&oid=6527854



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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 740

-SubTopic 10

-Section 50

-Paragraph 15A

-Subparagraph (a)

-URI http://asc.fasb.org/extlink&oid=6907707&loc=SL6600010-109319

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- Definition

Amount of increase in unrecognized tax benefits resulting from tax positions that have been or will be taken in current period tax return.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 740

-SubTopic 10

-Section 50

-Paragraph 15A

-Subparagraph (a)(2)

-URI http://asc.fasb.org/extlink&oid=6907707&loc=SL6600010-109319

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