v2.4.1.9
Revenues from Services (Details) (USD $)
In Millions, unless otherwise specified
 3 Months Ended 12 Months Ended
Dec. 31, 2014
Sep. 30, 2014
Jun. 30, 2014
Mar. 31, 2014
Dec. 31, 2013
Sep. 30, 2013
Jun. 30, 2013
Mar. 31, 2013
Dec. 31, 2014
Dec. 31, 2013
Dec. 31, 2012
Subsidiary Revenue From Services [Line Items]                      
Interest On Loans                 $ 17,324us-gaap_InterestAndFeeIncomeOtherLoans $ 17,951us-gaap_InterestAndFeeIncomeOtherLoans $ 18,843us-gaap_InterestAndFeeIncomeOtherLoans
Equipment leased to others                 9,940us-gaap_OperatingLeasesIncomeStatementLeaseRevenue 9,804us-gaap_OperatingLeasesIncomeStatementLeaseRevenue 10,456us-gaap_OperatingLeasesIncomeStatementLeaseRevenue
Fees                 4,618us-gaap_FeesAndCommissions 4,720us-gaap_FeesAndCommissions 4,709us-gaap_FeesAndCommissions
Investment Income                 2,271gecc_InvestmentIncome 1,809gecc_InvestmentIncome 2,630gecc_InvestmentIncome
Financing leases                 1,416us-gaap_CapitalLeasesIncomeStatementDirectFinancingLeaseRevenue 1,667us-gaap_CapitalLeasesIncomeStatementDirectFinancingLeaseRevenue 1,888us-gaap_CapitalLeasesIncomeStatementDirectFinancingLeaseRevenue
Associated companies                 1,182us-gaap_RevenueFromRelatedParties 1,809us-gaap_RevenueFromRelatedParties 1,538us-gaap_RevenueFromRelatedParties
Premiums earned by insurance activities                 1,509us-gaap_PremiumsEarnedNetOtherInsurance 1,573us-gaap_PremiumsEarnedNetOtherInsurance 1,715us-gaap_PremiumsEarnedNetOtherInsurance
Real estate investments                 1,727us-gaap_RealEstateRevenueNet 2,528us-gaap_RealEstateRevenueNet 1,709us-gaap_RealEstateRevenueNet
Other items                 2,617us-gaap_RevenueOtherFinancialServices 2,080us-gaap_RevenueOtherFinancialServices 1,757us-gaap_RevenueOtherFinancialServices
Revenues from services (Note 12)                 42,604us-gaap_FinancialServicesRevenue 43,941us-gaap_FinancialServicesRevenue 45,245us-gaap_FinancialServicesRevenue
Net other-than-temporary impairments on investment securities                   96us-gaap_MarketableSecuritiesRealizedGainLossOtherThanTemporaryImpairmentsAmount  
Assets 500,216us-gaap_Assets [1]       516,829us-gaap_Assets [1]       500,216us-gaap_Assets [1] 516,829us-gaap_Assets [1] 539,351us-gaap_Assets
Financing Receivable, Net 237,018us-gaap_NotesReceivableNet       253,029us-gaap_NotesReceivableNet       237,018us-gaap_NotesReceivableNet 253,029us-gaap_NotesReceivableNet  
Liabilities 409,818us-gaap_Liabilities [1]       433,703us-gaap_Liabilities [1]       409,818us-gaap_Liabilities [1] 433,703us-gaap_Liabilities [1]  
Deposits 62,839us-gaap_Deposits       53,361us-gaap_Deposits       62,839us-gaap_Deposits 53,361us-gaap_Deposits  
Revenues 11,512us-gaap_Revenues 10,451us-gaap_Revenues 10,247us-gaap_Revenues 10,515us-gaap_Revenues 11,077us-gaap_Revenues 10,606us-gaap_Revenues 10,916us-gaap_Revenues 11,468us-gaap_Revenues 42,725us-gaap_Revenues 44,067us-gaap_Revenues 45,364us-gaap_Revenues
Brazilian Company [Member]                      
Subsidiary Revenue From Services [Line Items]                      
Guarantee Provided By Parent Offset                   96gecc_GuaranteeProvidedByParentOffset
/ dei_LegalEntityAxis
= gecc_BrazilianCompanyMember		  
Significant associated companies [Member]                      
Subsidiary Revenue From Services [Line Items]                      
Assets 78,632us-gaap_Assets
/ dei_LegalEntityAxis
= us-gaap_AffiliatedEntityMember		       84,305us-gaap_Assets
/ dei_LegalEntityAxis
= us-gaap_AffiliatedEntityMember		       78,632us-gaap_Assets
/ dei_LegalEntityAxis
= us-gaap_AffiliatedEntityMember		 84,305us-gaap_Assets
/ dei_LegalEntityAxis
= us-gaap_AffiliatedEntityMember		  
Financing Receivable, Net 46,481us-gaap_NotesReceivableNet
/ dei_LegalEntityAxis
= us-gaap_AffiliatedEntityMember		       46,655us-gaap_NotesReceivableNet
/ dei_LegalEntityAxis
= us-gaap_AffiliatedEntityMember		       46,481us-gaap_NotesReceivableNet
/ dei_LegalEntityAxis
= us-gaap_AffiliatedEntityMember		 46,655us-gaap_NotesReceivableNet
/ dei_LegalEntityAxis
= us-gaap_AffiliatedEntityMember		  
Liabilities 57,273us-gaap_Liabilities
/ dei_LegalEntityAxis
= us-gaap_AffiliatedEntityMember		       59,559us-gaap_Liabilities
/ dei_LegalEntityAxis
= us-gaap_AffiliatedEntityMember		       57,273us-gaap_Liabilities
/ dei_LegalEntityAxis
= us-gaap_AffiliatedEntityMember		 59,559us-gaap_Liabilities
/ dei_LegalEntityAxis
= us-gaap_AffiliatedEntityMember		  
Revenues                 37,883us-gaap_Revenues
/ dei_LegalEntityAxis
= us-gaap_AffiliatedEntityMember		 16,193us-gaap_Revenues
/ dei_LegalEntityAxis
= us-gaap_AffiliatedEntityMember		 17,592us-gaap_Revenues
/ dei_LegalEntityAxis
= us-gaap_AffiliatedEntityMember
Cembra [Member]                      
Subsidiary Revenue From Services [Line Items]                      
Gain (Loss) on Disposition of Business                   351us-gaap_GainLossOnSaleOfBusiness
/ us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis
= gecc_CembraMember		  
Bank of Ayudhya [Member]                      
Subsidiary Revenue From Services [Line Items]                      
Gain on Sale of Investments                   641us-gaap_GainOnSaleOfInvestments
/ us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis
= gecc_BankOfAyudhyaMember		  
Sale Of Rockefeller Center [Member]                      
Subsidiary Revenue From Services [Line Items]                      
Gain on Sale of Investments                   $ 902us-gaap_GainOnSaleOfInvestments
/ us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis
= gecc_SaleOfRockefellerCenterMember		  
[1]

(a)Our consolidated assets at December 31, 2014 included total assets of $50,586 million of certain variable interest entities (VIEs) that can only be used to settle the liabilities of those VIEs. These assets included net financing receivables of $43,620 million and investment securities of $3,374 million. Our consolidated liabilities at December 31, 2014 included liabilities of certain VIEs for which the VIE creditors do not have recourse to GECC. These liabilities included non-recourse borrowings of consolidated securitization entities (CSEs) of $28,664 million. See Note 16.