Supplemental Information About The Credit Quality Of Financing Receivables And Allowance For Losses On Financing Receivables (Impaired Loans) (Details) (USD $) In Millions, unless otherwise specified	9 Months Ended		12 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Dec. 31, 2013
Impaired Loans
Total impaired loans	$ 8,209		$ 10,740
Allowance for losses (specific reserves)	700		969
Financing Receivables And Allowance For Losses [Abstract]
Non-impaired financing receivables	234,366		247,467
General reserves	4,470		4,209
Total impaired loans	8,209		10,740
Allowance for losses (specific reserves)	700		969
No Related Allowance [Member]
Impaired Loans
Total impaired loans	4,815		5,500
Unpaid principal balance	7,603		8,461
Average investment during the period	5,463		6,455
Financing Receivables And Allowance For Losses [Abstract]
Total impaired loans	4,815		5,500
Related Allowance [Member]
Impaired Loans
Total impaired loans	3,394		5,240
Unpaid principal balance	3,944		6,027
Allowance for losses (specific reserves)	700		969
Average investment during the period	4,292		5,892
Financing Receivables And Allowance For Losses [Abstract]
Total impaired loans	3,394		5,240
Allowance for losses (specific reserves)	700		969
Americas CLL Financing Receivables [Member] | TDR Modifications [Member]
Impaired Loans
Total impaired loans	1,312		1,770
Loans Modified As Troubled Debt Restructuring That Have Subsequently Experienced Payment Default	428
Financing Receivables And Allowance For Losses [Abstract]
Total impaired loans	1,312		1,770
CLL Financing Receivables [Member] | TDR Modifications [Member]
Impaired Loans
Loans Modified As Troubled Debt Restructuring That Have Subsequently Experienced Payment Default	777
Commercial Portfolio Segment [Member]
Impaired Loans
Total impaired loans	3,237		3,892
Allowance for losses (specific reserves)	189		328
Financing Receivables And Allowance For Losses [Abstract]
Non-impaired financing receivables	118,283		125,377
General reserves	637		677
Total impaired loans	3,237		3,892
Allowance for losses (specific reserves)	189		328
Commercial Portfolio Segment [Member] | Impaired Loans [Member]
Impaired Loans
Average investment during the period	3,721		4,445
Interest income recognized	139	173	218
Interest income recognized on a cash basis		53	60
Commercial Portfolio Segment [Member] | No Related Allowance [Member]
Impaired Loans
Total impaired loans	2,690		2,776
Unpaid principal balance	5,115		5,272
Average investment during the period	2,880		3,299
Financing Receivables And Allowance For Losses [Abstract]
Total impaired loans	2,690		2,776
Commercial Portfolio Segment [Member] | Related Allowance [Member]
Impaired Loans
Total impaired loans	547		1,116
Unpaid principal balance	810		1,572
Allowance for losses (specific reserves)	189		328
Average investment during the period	841		1,146
Financing Receivables And Allowance For Losses [Abstract]
Total impaired loans	547		1,116
Allowance for losses (specific reserves)	189		328
Commercial Portfolio Segment [Member] | Energy Financial Services Financing Receivables [Member] | No Related Allowance [Member]
Impaired Loans
Total impaired loans	57		0
Unpaid principal balance	58		0
Average investment during the period	19		0
Financing Receivables And Allowance For Losses [Abstract]
Total impaired loans	57		0
Commercial Portfolio Segment [Member] | Energy Financial Services Financing Receivables [Member] | Related Allowance [Member]
Impaired Loans
Total impaired loans	0		4
Unpaid principal balance	0		4
Allowance for losses (specific reserves)	0		1
Average investment during the period	26		2
Financing Receivables And Allowance For Losses [Abstract]
Total impaired loans	0		4
Allowance for losses (specific reserves)	0		1
Commercial Portfolio Segment [Member] | GECAS Financing Receivables [Member] | No Related Allowance [Member]
Impaired Loans
Total impaired loans	61		0
Unpaid principal balance	61		0
Average investment during the period	27		0
Financing Receivables And Allowance For Losses [Abstract]
Total impaired loans	61		0
Commercial Portfolio Segment [Member] | GECAS Financing Receivables [Member] | Related Allowance [Member]
Impaired Loans
Total impaired loans	0		0
Unpaid principal balance	0		0
Allowance for losses (specific reserves)	0		0
Average investment during the period	19		1
Financing Receivables And Allowance For Losses [Abstract]
Total impaired loans	0		0
Allowance for losses (specific reserves)	0		0
Commercial Portfolio Segment [Member] | Other Financing Receivables [Member] | No Related Allowance [Member]
Impaired Loans
Total impaired loans	0		2
Unpaid principal balance	0		3
Average investment during the period	1		9
Financing Receivables And Allowance For Losses [Abstract]
Total impaired loans	0		2
Commercial Portfolio Segment [Member] | Other Financing Receivables [Member] | Related Allowance [Member]
Impaired Loans
Total impaired loans	0		4
Unpaid principal balance	0		4
Allowance for losses (specific reserves)	0		0
Average investment during the period	1		5
Financing Receivables And Allowance For Losses [Abstract]
Total impaired loans	0		4
Allowance for losses (specific reserves)	0		0
Commercial Portfolio Segment [Member] | Americas CLL Financing Receivables [Member] | No Related Allowance [Member]
Impaired Loans
Total impaired loans	1,508		1,670
Unpaid principal balance	1,987		2,187
Average investment during the period	1,694		2,154
Financing Receivables And Allowance For Losses [Abstract]
Total impaired loans	1,508		1,670
Commercial Portfolio Segment [Member] | Americas CLL Financing Receivables [Member] | Related Allowance [Member]
Impaired Loans
Total impaired loans	235		417
Unpaid principal balance	365		505
Allowance for losses (specific reserves)	64		96
Average investment during the period	287		509
Financing Receivables And Allowance For Losses [Abstract]
Total impaired loans	235		417
Allowance for losses (specific reserves)	64		96
Commercial Portfolio Segment [Member] | GE International [Member] | No Related Allowance [Member]
Impaired Loans
Total impaired loans	1,064		1,104
Unpaid principal balance	3,009		3,082
Average investment during the period	1,139		1,136
Financing Receivables And Allowance For Losses [Abstract]
Total impaired loans	1,064		1,104
Commercial Portfolio Segment [Member] | GE International [Member] | Related Allowance [Member]
Impaired Loans
Total impaired loans	312		691
Unpaid principal balance	445		1,059
Allowance for losses (specific reserves)	125		231
Average investment during the period	508		629
Financing Receivables And Allowance For Losses [Abstract]
Total impaired loans	312		691
Allowance for losses (specific reserves)	125		231
Commercial Portfolio Segment [Member] | CLL Financing Receivables [Member]
Impaired Loans
Loans Modified As Troubled Debt Restructuring That Have Subsequently Experienced Payment Default	33	80
Commercial Portfolio Segment [Member] | CLL Financing Receivables [Member] | No Related Allowance [Member]
Impaired Loans
Total impaired loans	2,572		2,774
Unpaid principal balance	4,996		5,269
Average investment during the period	2,833		3,290
Financing Receivables And Allowance For Losses [Abstract]
Total impaired loans	2,572		2,774
Commercial Portfolio Segment [Member] | CLL Financing Receivables [Member] | Related Allowance [Member]
Impaired Loans
Total impaired loans	547		1,108
Unpaid principal balance	810		1,564
Allowance for losses (specific reserves)	189		327
Average investment during the period	795		1,138
Financing Receivables And Allowance For Losses [Abstract]
Total impaired loans	547		1,108
Allowance for losses (specific reserves)	189		327
Commercial Portfolio Segment [Member] | CLL Financing Receivables [Member] | Modifications Classified As TDRs In Last Twelve Months [Member]
Impaired Loans
Financing Receivable, Modifications, Recorded Investment	1,133	1,808
Commercial Real Estate Portfolio Segment [Member]
Impaired Loans
Total impaired loans	2,472		3,860
Allowance for losses (specific reserves)	27		74
Changes In Loans Modified As Troubled Debt Restructurings	531
Loans Modified As Troubled Debt Restructuring That Have Subsequently Experienced Payment Default	311	282
Financing Receivables And Allowance For Losses [Abstract]
Non-impaired financing receivables	17,327		16,039
General reserves	127		118
Total impaired loans	2,472		3,860
Allowance for losses (specific reserves)	27		74
Commercial Real Estate Portfolio Segment [Member] | Troubled Debt Restructuring [Member]
Impaired Loans
Total impaired loans	2,338		3,625
Financing Receivables And Allowance For Losses [Abstract]
Total impaired loans	2,338		3,625
Commercial Real Estate Portfolio Segment [Member] | Impaired Loans [Member]
Impaired Loans
Average investment during the period	3,246		4,746
Interest income recognized	47	161	187
Interest income recognized on a cash basis		132	135
Commercial Real Estate Portfolio Segment [Member] | No Related Allowance [Member]
Impaired Loans
Total impaired loans	1,994		2,615
Unpaid principal balance	2,315		3,036
Average investment during the period	2,468		3,058
Financing Receivables And Allowance For Losses [Abstract]
Total impaired loans	1,994		2,615
Commercial Real Estate Portfolio Segment [Member] | Related Allowance [Member]
Impaired Loans
Total impaired loans	478		1,245
Unpaid principal balance	631		1,507
Allowance for losses (specific reserves)	27		74
Average investment during the period	778		1,688
Financing Receivables And Allowance For Losses [Abstract]
Total impaired loans	478		1,245
Allowance for losses (specific reserves)	27		74
Commercial Real Estate Portfolio Segment [Member] | Modifications Classified As TDRs In Last Twelve Months [Member]
Impaired Loans
Financing Receivable, Modifications, Recorded Investment	768	2,089
Consumer Portfolio Segment [Member]
Impaired Loans
Total impaired loans	2,500		2,988
Allowance for losses (specific reserves)	484		567
Changes In Loans Modified As Troubled Debt Restructurings	788
Loans Modified As Troubled Debt Restructuring That Have Subsequently Experienced Payment Default	95	215
Financing Receivables And Allowance For Losses [Abstract]
Non-impaired financing receivables	98,756		106,051
General reserves	3,706		3,414
Total impaired loans	2,500		2,988
Allowance for losses (specific reserves)	484		567
Consumer Portfolio Segment [Member] | Troubled Debt Restructuring [Member]
Impaired Loans
Financing Receivable, Modifications, Recorded Investment	2,428		2,874
Consumer Portfolio Segment [Member] | Impaired Loans [Member]
Impaired Loans
Average investment during the period	2,788		3,156
Interest income recognized	135	166	221
Interest income recognized on a cash basis	3	3	3
Consumer Portfolio Segment [Member] | TDR Modifications [Member]
Impaired Loans
Unpaid principal balance	2,676
Consumer Portfolio Segment [Member] | No Related Allowance [Member]
Impaired Loans
Total impaired loans	131		109
Unpaid principal balance	173		153
Average investment during the period	115		98
Financing Receivables And Allowance For Losses [Abstract]
Total impaired loans	131		109
Consumer Portfolio Segment [Member] | Related Allowance [Member]
Impaired Loans
Total impaired loans	2,369		2,879
Unpaid principal balance	2,503		2,948
Allowance for losses (specific reserves)	484		567
Average investment during the period	2,673		3,058
Financing Receivables And Allowance For Losses [Abstract]
Total impaired loans	2,369		2,879
Allowance for losses (specific reserves)	484		567
Consumer Portfolio Segment [Member] | Modifications Classified As TDRs In Last Twelve Months [Member]
Impaired Loans
Financing Receivable, Modifications, Recorded Investment	1,074	1,576
Consumer Portfolio Segment [Member] | Consumer Other Portfolio [Member]
Impaired Loans
Allowance for losses (specific reserves)	17
Financing Receivables And Allowance For Losses [Abstract]
Allowance for losses (specific reserves)	17
Consumer Portfolio Segment [Member] | Consumer Other Portfolio [Member] | Related Allowance [Member]
Impaired Loans
Financing Receivable, Modifications, Recorded Investment	134
Consumer Portfolio Segment [Member] | Remaining Consumer Business [Member]
Impaired Loans
Allowance for losses (specific reserves)	467
Financing Receivables And Allowance For Losses [Abstract]
Allowance for losses (specific reserves)	467
Consumer Portfolio Segment [Member] | Remaining Consumer Business [Member] | Related Allowance [Member]
Impaired Loans
Financing Receivable, Modifications, Recorded Investment	2,235
Consumer Portfolio Segment [Member] | Non US Consumer [Member]
Impaired Loans
Changes In Loans Modified As Troubled Debt Restructurings	442
Consumer Portfolio Segment [Member] | Credit Card Loans [Member]
Impaired Loans
Changes In Loans Modified As Troubled Debt Restructurings	346
Consumer Portfolio Segment [Member] | CLL Financing Receivables [Member] | TDR Modifications [Member]
Impaired Loans
Total impaired loans	2,276		2,961
Financing Receivables And Allowance For Losses [Abstract]
Total impaired loans	$ 2,276		$ 2,961