v2.4.1.9
Borrowings and Bank Deposits (Footnote) (Details) (USD $)
In Millions, unless otherwise specified
12 Months Ended
Dec. 31, 2014
Dec. 31, 2013
Feb. 13, 2015
Oct. 31, 2014
Sep. 30, 2014
Aug. 05, 2014
Borrowings And Bank Deposits [Line Items]            
Long-term borrowings (Note 8) $ 187,991us-gaap_LongTermDebtAndCapitalLeaseObligations $ 210,279us-gaap_LongTermDebtAndCapitalLeaseObligations        
Secured Debt 6,017us-gaap_SecuredDebt 9,468us-gaap_SecuredDebt        
Bank deposits (Note 8) 62,839us-gaap_Deposits 53,361us-gaap_Deposits        
Short-term borrowings (Note 8) 68,780us-gaap_ShortTermBorrowings 77,298us-gaap_ShortTermBorrowings        
Non Recourse Borrowings Of Consolidated Securitization Entities 29,938gecc_NonRecourseBorrowingsOfConsolidatedSecuritizationEntities 30,124gecc_NonRecourseBorrowingsOfConsolidatedSecuritizationEntities        
Subsidiary Issuer [Member]            
Borrowings And Bank Deposits [Line Items]            
Proceeds from Issuance of Unsecured Debt 8,000us-gaap_ProceedsFromIssuanceOfUnsecuredDebt
/ dei_LegalEntityAxis
= us-gaap_SubsidiaryIssuerMember
         
Unsecured Long-term Debt, Noncurrent     1,000us-gaap_UnsecuredLongTermDebt
/ dei_LegalEntityAxis
= us-gaap_SubsidiaryIssuerMember
750us-gaap_UnsecuredLongTermDebt
/ dei_LegalEntityAxis
= us-gaap_SubsidiaryIssuerMember
3,593us-gaap_UnsecuredLongTermDebt
/ dei_LegalEntityAxis
= us-gaap_SubsidiaryIssuerMember
 
Guaranteed investment contracts [Member]            
Borrowings And Bank Deposits [Line Items]            
Long-term debt, current maturities 439us-gaap_LongTermDebtAndCapitalLeaseObligationsCurrent
/ us-gaap_LongtermDebtTypeAxis
= gecc_GuaranteedInvestmentContractsMember
481us-gaap_LongTermDebtAndCapitalLeaseObligationsCurrent
/ us-gaap_LongtermDebtTypeAxis
= gecc_GuaranteedInvestmentContractsMember
       
Subordinated Notes Guaranteed By GE [Member]            
Borrowings And Bank Deposits [Line Items]            
Long-term borrowings (Note 8) 300us-gaap_LongTermDebtAndCapitalLeaseObligations
/ us-gaap_LongtermDebtTypeAxis
= gecc_SubordinatedNotesGuaranteedByGeMember
300us-gaap_LongTermDebtAndCapitalLeaseObligations
/ us-gaap_LongtermDebtTypeAxis
= gecc_SubordinatedNotesGuaranteedByGeMember
       
Long-term Debt [Member] | Subsidiary Issuer [Member]            
Borrowings And Bank Deposits [Line Items]            
Unsecured Long-term Debt, Noncurrent           8,245us-gaap_UnsecuredLongTermDebt
/ dei_LegalEntityAxis
= us-gaap_SubsidiaryIssuerMember
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_LongTermDebtMember
Subordinated Debenture [Member]            
Borrowings And Bank Deposits [Line Items]            
Long-term borrowings (Note 8) 2,794us-gaap_LongTermDebtAndCapitalLeaseObligations
/ us-gaap_LongtermDebtTypeAxis
= gecc_SubordinatedDebentureMember
         
PTL [Member]            
Borrowings And Bank Deposits [Line Items]            
Long-term borrowings (Note 8) 700us-gaap_LongTermDebtAndCapitalLeaseObligations
/ us-gaap_LongtermDebtTypeAxis
= gecc_PtlMember
700us-gaap_LongTermDebtAndCapitalLeaseObligations
/ us-gaap_LongtermDebtTypeAxis
= gecc_PtlMember
       
Synchrony Financial [Member]            
Borrowings And Bank Deposits [Line Items]            
Long-term borrowings (Note 8)           3,593us-gaap_LongTermDebtAndCapitalLeaseObligations
/ us-gaap_LongtermDebtTypeAxis
= gecc_SynchronyFinancialMember
Non US Commercial Paper [Member]            
Borrowings And Bank Deposits [Line Items]            
Bank deposits (Note 8) 10,258us-gaap_Deposits
/ us-gaap_ShortTermDebtTypeAxis
= gecc_NonUsCommercialPaperMember
13,614us-gaap_Deposits
/ us-gaap_ShortTermDebtTypeAxis
= gecc_NonUsCommercialPaperMember
       
Certificates of Deposit [Member]            
Borrowings And Bank Deposits [Line Items]            
Secured Long-term Debt, Noncurrent 22,848us-gaap_SecuredLongTermDebt
/ us-gaap_CashAndCashEquivalentsAxis
= us-gaap_CertificatesOfDepositMember
18,275us-gaap_SecuredLongTermDebt
/ us-gaap_CashAndCashEquivalentsAxis
= us-gaap_CertificatesOfDepositMember
       
Non Recourse [Member]            
Borrowings And Bank Deposits [Line Items]            
Secured Debt $ 2,312us-gaap_SecuredDebt
/ us-gaap_DebtInstrumentAxis
= gecc_NonRecourseMember
$ 2,868us-gaap_SecuredDebt
/ us-gaap_DebtInstrumentAxis
= gecc_NonRecourseMember