Financing Receivables, Allowance For Losses On Financing Receivables and Supplemental Information on Credit Quality (Credit Quality) (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012
Credit Quality Indicators
Loans and leases receivable, Gross	$ 258,207	$ 273,105
Commercial Portfolio Segment [Member]
Credit Quality Indicators
Loans and leases receivable, Gross	129,269	137,810
Commercial Portfolio Segment [Member] | Unsecured Financing Receivables Portfolio [Member] | Risk Level, High [Member]
Credit Quality Indicators
Loans and leases receivable, Gross	231	452
Commercial Portfolio Segment [Member] | Unsecured Financing Receivables Portfolio [Member] | Risk Level, Medium [Member]
Credit Quality Indicators
Loans and leases receivable, Gross	580	583
Commercial Portfolio Segment [Member] | Unsecured Financing Receivables Portfolio [Member] | Risk Level, Low [Member]
Credit Quality Indicators
Loans and leases receivable, Gross	313	458
Commercial Portfolio Segment [Member] | Secured Financing Receivables Portfolio [Member]
Credit Quality Indicators
Loans and leases receivable, Gross	128,145	136,317
Commercial Portfolio Segment [Member] | Secured Financing Receivables Portfolio [Member] | Risk Level, High [Member]
Credit Quality Indicators
Loans and leases receivable, Gross	2,943	4,115
Commercial Portfolio Segment [Member] | Secured Financing Receivables Portfolio [Member] | Risk Level, Medium [Member]
Credit Quality Indicators
Loans and leases receivable, Gross	2,265	3,303
Commercial Portfolio Segment [Member] | Secured Financing Receivables Portfolio [Member] | Risk Level, Low [Member]
Credit Quality Indicators
Loans and leases receivable, Gross	122,937	128,899
Commercial Portfolio Segment [Member] | Energy Financial Services Financing Receivables [Member]
Credit Quality Indicators
Loans and leases receivable, Gross	3,107	4,851
Commercial Portfolio Segment [Member] | Energy Financial Services Financing Receivables [Member] | Secured Financing Receivables Portfolio [Member]
Credit Quality Indicators
Loans and leases receivable, Gross	2,978	4,725
Commercial Portfolio Segment [Member] | Energy Financial Services Financing Receivables [Member] | Secured Financing Receivables Portfolio [Member] | Risk Level, High [Member]
Credit Quality Indicators
Loans and leases receivable, Gross	0	0
Commercial Portfolio Segment [Member] | Energy Financial Services Financing Receivables [Member] | Secured Financing Receivables Portfolio [Member] | Risk Level, Medium [Member]
Credit Quality Indicators
Loans and leases receivable, Gross	9	0
Commercial Portfolio Segment [Member] | Energy Financial Services Financing Receivables [Member] | Secured Financing Receivables Portfolio [Member] | Risk Level, Low [Member]
Credit Quality Indicators
Loans and leases receivable, Gross	2,969	4,725
Commercial Portfolio Segment [Member] | GECAS Financing Receivables [Member]
Credit Quality Indicators
Loans and leases receivable, Gross	9,377	10,915
Commercial Portfolio Segment [Member] | GECAS Financing Receivables [Member] | Secured Financing Receivables Portfolio [Member]
Credit Quality Indicators
Loans and leases receivable, Gross	9,377	10,915
Commercial Portfolio Segment [Member] | GECAS Financing Receivables [Member] | Secured Financing Receivables Portfolio [Member] | Risk Level, High [Member]
Credit Quality Indicators
Loans and leases receivable, Gross	152	11
Commercial Portfolio Segment [Member] | GECAS Financing Receivables [Member] | Secured Financing Receivables Portfolio [Member] | Risk Level, Medium [Member]
Credit Quality Indicators
Loans and leases receivable, Gross	50	223
Commercial Portfolio Segment [Member] | GECAS Financing Receivables [Member] | Secured Financing Receivables Portfolio [Member] | Risk Level, Low [Member]
Credit Quality Indicators
Loans and leases receivable, Gross	9,175	10,681
Commercial Portfolio Segment [Member] | Other Financing Receivables [Member]
Credit Quality Indicators
Loans and leases receivable, Gross	318	486
Commercial Portfolio Segment [Member] | Other Financing Receivables [Member] | Secured Financing Receivables Portfolio [Member]
Credit Quality Indicators
Loans and leases receivable, Gross	318	486
Commercial Portfolio Segment [Member] | Other Financing Receivables [Member] | Secured Financing Receivables Portfolio [Member] | Risk Level, High [Member]
Credit Quality Indicators
Loans and leases receivable, Gross	0	0
Commercial Portfolio Segment [Member] | Other Financing Receivables [Member] | Secured Financing Receivables Portfolio [Member] | Risk Level, Medium [Member]
Credit Quality Indicators
Loans and leases receivable, Gross	0	0
Commercial Portfolio Segment [Member] | Other Financing Receivables [Member] | Secured Financing Receivables Portfolio [Member] | Risk Level, Low [Member]
Credit Quality Indicators
Loans and leases receivable, Gross	318	486
Commercial Portfolio Segment [Member] | Americas CLL Financing Receivables [Member]
Credit Quality Indicators
Loans and leases receivable, Gross	68,585	72,517
Commercial Portfolio Segment [Member] | Americas CLL Financing Receivables [Member] | Secured Financing Receivables Portfolio [Member]
Credit Quality Indicators
Loans and leases receivable, Gross	68,585	72,517
Commercial Portfolio Segment [Member] | Americas CLL Financing Receivables [Member] | Secured Financing Receivables Portfolio [Member] | Risk Level, High [Member]
Credit Quality Indicators
Loans and leases receivable, Gross	1,554	2,382
Commercial Portfolio Segment [Member] | Americas CLL Financing Receivables [Member] | Secured Financing Receivables Portfolio [Member] | Risk Level, Medium [Member]
Credit Quality Indicators
Loans and leases receivable, Gross	1,587	1,775
Commercial Portfolio Segment [Member] | Americas CLL Financing Receivables [Member] | Secured Financing Receivables Portfolio [Member] | Risk Level, Low [Member]
Credit Quality Indicators
Loans and leases receivable, Gross	65,444	68,360
Commercial Portfolio Segment [Member] | Europe CLL Financing Receivables [Member]
Credit Quality Indicators
Loans and leases receivable, Gross	37,962	37,037
Commercial Portfolio Segment [Member] | Europe CLL Financing Receivables [Member] | Secured Financing Receivables Portfolio [Member]
Credit Quality Indicators
Loans and leases receivable, Gross	37,466	36,200
Commercial Portfolio Segment [Member] | Europe CLL Financing Receivables [Member] | Secured Financing Receivables Portfolio [Member] | Risk Level, High [Member]
Credit Quality Indicators
Loans and leases receivable, Gross	1,019	1,256
Commercial Portfolio Segment [Member] | Europe CLL Financing Receivables [Member] | Secured Financing Receivables Portfolio [Member] | Risk Level, Medium [Member]
Credit Quality Indicators
Loans and leases receivable, Gross	479	1,188
Commercial Portfolio Segment [Member] | Europe CLL Financing Receivables [Member] | Secured Financing Receivables Portfolio [Member] | Risk Level, Low [Member]
Credit Quality Indicators
Loans and leases receivable, Gross	35,968	33,756
Commercial Portfolio Segment [Member] | Asia CLL Financing Receivables [Member]
Credit Quality Indicators
Loans and leases receivable, Gross	9,469	11,401
Commercial Portfolio Segment [Member] | Asia CLL Financing Receivables [Member] | Secured Financing Receivables Portfolio [Member]
Credit Quality Indicators
Loans and leases receivable, Gross	9,320	11,221
Commercial Portfolio Segment [Member] | Asia CLL Financing Receivables [Member] | Secured Financing Receivables Portfolio [Member] | Risk Level, High [Member]
Credit Quality Indicators
Loans and leases receivable, Gross	218	372
Commercial Portfolio Segment [Member] | Asia CLL Financing Receivables [Member] | Secured Financing Receivables Portfolio [Member] | Risk Level, Medium [Member]
Credit Quality Indicators
Loans and leases receivable, Gross	140	117
Commercial Portfolio Segment [Member] | Asia CLL Financing Receivables [Member] | Secured Financing Receivables Portfolio [Member] | Risk Level, Low [Member]
Credit Quality Indicators
Loans and leases receivable, Gross	8,962	10,732
Commercial Portfolio Segment [Member] | Other CLL Financing Receivables [Member]
Credit Quality Indicators
Loans and leases receivable, Gross	451	603
Commercial Portfolio Segment [Member] | Other CLL Financing Receivables [Member] | Secured Financing Receivables Portfolio [Member]
Credit Quality Indicators
Loans and leases receivable, Gross	101	253
Commercial Portfolio Segment [Member] | Other CLL Financing Receivables [Member] | Secured Financing Receivables Portfolio [Member] | Risk Level, High [Member]
Credit Quality Indicators
Loans and leases receivable, Gross	0	94
Commercial Portfolio Segment [Member] | Other CLL Financing Receivables [Member] | Secured Financing Receivables Portfolio [Member] | Risk Level, Medium [Member]
Credit Quality Indicators
Loans and leases receivable, Gross	0	0
Commercial Portfolio Segment [Member] | Other CLL Financing Receivables [Member] | Secured Financing Receivables Portfolio [Member] | Risk Level, Low [Member]
Credit Quality Indicators
Loans and leases receivable, Gross	101	159
Commercial Portfolio Segment [Member] | CLL Financing Receivables [Member]
Credit Quality Indicators
Loans and leases receivable, Gross	116,467	121,558
Commercial Portfolio Segment [Member] | CLL Financing Receivables [Member] | Secured Financing Receivables Portfolio [Member]
Credit Quality Indicators
Loans and leases receivable, Gross	115,472	120,191
Commercial Portfolio Segment [Member] | CLL Financing Receivables [Member] | Secured Financing Receivables Portfolio [Member] | Risk Level, High [Member]
Credit Quality Indicators
Loans and leases receivable, Gross	2,791	4,104
Commercial Portfolio Segment [Member] | CLL Financing Receivables [Member] | Secured Financing Receivables Portfolio [Member] | Risk Level, Medium [Member]
Credit Quality Indicators
Loans and leases receivable, Gross	2,206	3,080
Commercial Portfolio Segment [Member] | CLL Financing Receivables [Member] | Secured Financing Receivables Portfolio [Member] | Risk Level, Low [Member]
Credit Quality Indicators
Loans and leases receivable, Gross	110,475	113,007
Commercial Real Estate Portfolio Segment [Member]
Credit Quality Indicators
Loans and leases receivable, Gross	19,899	20,946
Loan To Value Ratio Of Real Estate Loans Paying In Accordance With Contractual Terms	95.00%
Commercial Real Estate Portfolio Segment [Member] | Debt Real Estate [Member] | Less than 80%
Credit Quality Indicators
Loans and leases receivable, Gross	15,576	13,570
Commercial Real Estate Portfolio Segment [Member] | Debt Real Estate [Member] | 80% to 95%
Credit Quality Indicators
Loans and leases receivable, Gross	1,300	2,572
Commercial Real Estate Portfolio Segment [Member] | Debt Real Estate [Member] | Greater than 95%
Credit Quality Indicators
Loans and leases receivable, Gross	2,111	3,604
Commercial Real Estate Portfolio Segment [Member] | Owner Occupied Credit Tenant [Member] | Secured Financing Receivables Portfolio [Member] | Risk Level, High [Member]
Credit Quality Indicators
Loans and leases receivable, Gross	162	219
Commercial Real Estate Portfolio Segment [Member] | Owner Occupied Credit Tenant [Member] | Secured Financing Receivables Portfolio [Member] | Risk Level, Medium [Member]
Credit Quality Indicators
Loans and leases receivable, Gross	179	25
Commercial Real Estate Portfolio Segment [Member] | Owner Occupied Credit Tenant [Member] | Secured Financing Receivables Portfolio [Member] | Risk Level, Low [Member]
Credit Quality Indicators
Loans and leases receivable, Gross	571	956
Consumer Portfolio Segment [Member]
Credit Quality Indicators
Maximum Percentage Of Private Label Consumer Financing Receivables Located In Any Metropolitan Area	6.00%
Loans and leases receivable, Gross	109,039	114,349
Percent Of Non US Mortgages With Loan To Value Ratios Greater Than 90 Percent Covered By Third Party Mortgage Insurance	24.00%
Percent of Financing Receivable Accounts With Credit Bureau Equivalent of 625 Or Less	97.00%
Number Of Consumer Financing Receivable Customers Across US Including Private Label Credit Card And Sales Financing	61
Percentage Of US Consumer Financing Receivables Related To Credit Cards Loans	67.00%
Percentage Of US Consumer Financing Receivables Related To Sales Finance Receivables	33.00%
Consumer Portfolio Segment [Member] | Non US residential mortgages [Member]
Credit Quality Indicators
Loans and leases receivable, Gross	30,501	33,350
Consumer Portfolio Segment [Member] | Non US residential mortgages [Member] | 80% or less
Credit Quality Indicators
Loans and leases receivable, Gross	17,224	18,568
Consumer Portfolio Segment [Member] | Non US residential mortgages [Member] | Greater than 80% to 90%
Credit Quality Indicators
Loans and leases receivable, Gross	5,130	5,699
Consumer Portfolio Segment [Member] | Non US residential mortgages [Member] | Greater than 90%
Credit Quality Indicators
Loans and leases receivable, Gross	8,147	9,083
Consumer Portfolio Segment [Member] | Non US installment and revolving credit [Member]
Credit Quality Indicators
Loans and leases receivable, Gross	13,677	17,816
Consumer Portfolio Segment [Member] | Non US installment and revolving credit [Member] | Score 671 or Higher [Member]
Credit Quality Indicators
Loans and leases receivable, Gross	8,310	10,228
Consumer Portfolio Segment [Member] | Non US installment and revolving credit [Member] | Score 626 to 670 [Member]
Credit Quality Indicators
Loans and leases receivable, Gross	2,855	4,267
Consumer Portfolio Segment [Member] | Non US installment and revolving credit [Member] | Score 625 or Less [Member]
Credit Quality Indicators
Loans and leases receivable, Gross	2,512	3,321
Consumer Portfolio Segment [Member] | US installment and revolving credit [Member]
Credit Quality Indicators
Loans and leases receivable, Gross	55,854	50,853
Consumer Portfolio Segment [Member] | US installment and revolving credit [Member] | Score 671 or Higher [Member]
Credit Quality Indicators
Loans and leases receivable, Gross	36,723	33,204
Consumer Portfolio Segment [Member] | US installment and revolving credit [Member] | Score 626 to 670 [Member]
Credit Quality Indicators
Loans and leases receivable, Gross	11,101	9,753
Consumer Portfolio Segment [Member] | US installment and revolving credit [Member] | Score 625 or Less [Member]
Credit Quality Indicators
Loans and leases receivable, Gross	8,030	7,896
Consumer Portfolio Segment [Member] | Non US auto [Member]
Credit Quality Indicators
Loans and leases receivable, Gross	2,054	4,260
Consumer Portfolio Segment [Member] | Non US auto [Member] | Score 671 or Higher [Member]
Credit Quality Indicators
Loans and leases receivable, Gross	1,395	3,141
Consumer Portfolio Segment [Member] | Non US auto [Member] | Score 626 to 670 [Member]
Credit Quality Indicators
Loans and leases receivable, Gross	373	666
Consumer Portfolio Segment [Member] | Non US auto [Member] | Score 625 or Less [Member]
Credit Quality Indicators
Loans and leases receivable, Gross	286	453
Consumer Portfolio Segment [Member] | Consumer Other Financing Receivable [Member] | Secured Financing Receivables Portfolio [Member] | Risk Level, High [Member]
Credit Quality Indicators
Loans and leases receivable, Gross	501	746
Consumer Portfolio Segment [Member] | Consumer Other Financing Receivable [Member] | Secured Financing Receivables Portfolio [Member] | Risk Level, Medium [Member]
Credit Quality Indicators
Loans and leases receivable, Gross	315	451
Consumer Portfolio Segment [Member] | Consumer Other Financing Receivable [Member] | Secured Financing Receivables Portfolio [Member] | Risk Level, Low [Member]
Credit Quality Indicators
Loans and leases receivable, Gross	$ 6,137	$ 6,873
Consumer Portfolio Segment [Member] | UK | Non US residential mortgages [Member]
Credit Quality Indicators
Reindexed Loan To Value Ratios Of Non US Mortgages	77.00%
Consumer Portfolio Segment [Member] | FRANCE | Non US residential mortgages [Member]
Credit Quality Indicators
Reindexed Loan To Value Ratios Of Non US Mortgages	56.00%