2.4.0.80029 - Disclosure - 7. Other payables (Details)truefalsefalse1false USDfalsefalse$AsOf2013-06-30http://www.sec.gov/CIK0000828878instant2013-06-30T00:00:000001-01-01T00:00:00U002Standardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$2false USDfalsefalse$AsOf2012-12-31http://www.sec.gov/CIK0000828878instant2012-12-31T00:00:000001-01-01T00:00:00U002Standardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$1true 1GCIH_OtherPayablesDetailsAbstractGCIH_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalse2falsefalsefalse00falsefalsefalsexbrli:stringItemTypestringfalse0Other Payables Details2false 2us-gaap_DepositAssetsus-gaap_truedebitinstantfalsefalsefalsefalsefalsefalsefalsefalse1truefalsefalse11071511107151USD$falsetruefalse2truefalsefalse10906771090677USD$falsetruefalsexbrli:monetaryItemTypemonetaryThe carrying amount of the asset transferred to a third party to serve as a deposit, which typically serves as security against failure by the transferor to perform under terms of an agreement.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 17 -Article 5 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 8 -Article 5 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.8,17) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 false2Customer guarantee deposit3false 2us-gaap_CustomerFundsus-gaap_truedebitinstantfalsefalsefalsefalsefalsefalsefalsefalse1truefalsefalse1464014640falsefalsefalse2truefalsefalse1442214422falsefalsefalsexbrli:monetaryItemTypemonetaryCarrying amount as of the balance sheet date of amounts received from and refundable to customers unless used by them to obtain goods and services from the entity.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.17) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 17 -Article 5 false2Customer deposit for property decoration4false 2GCIH_MiscellaneousPayableGCIH_falsecreditinstantfalsefalsefalsefalsefalsefalsefalsefalse1truefalsefalse10801791080179falsefalsefalse2truefalsefalse10096041009604falsefalsefalsexbrli:monetaryItemTypemonetaryCustom Element.No definition available.false2Miscellaneous payable5false 2us-gaap_AccountsPayableCurrentAndNoncurrentus-gaap_truecreditinstantfalsefalsefalsefalsefalsefalsefalsefalseverboseLabel1truefalsefalse22019702201970USD$falsetruefalse2truefalsefalse21147032114703USD$falsetruefalsexbrli:monetaryItemTypemonetaryCarrying value as of the balance sheet date of liabilities incurred (and for which invoices have typically been received) and payable to vendors for goods and services received that are used in an entity's business.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03.15(5)) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03.15(a)) -URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 15 -Subparagraph a -Article 7 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 15 -Subparagraph 5 -Article 9 false2Totalfalse7. Other payables (Details) (USD $)NoRoundingUnKnownUnKnownUnKnowntruefalsefalseSheethttp://greatchinaholdings.com/role/OtherPayablesDetails25