Financing Receivables, Allowance For Losses On Financing Receivables and Supplemental Information On Credit Quality (Impaired Loans) (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended		12 Months Ended
	Mar. 31, 2014	Mar. 31, 2013	Dec. 31, 2013
Impaired Loans
Total impaired loans	$ 10,604		$ 10,740
Allowance for losses (specific reserves)	842		969
Financing Receivables And Allowance For Losses [Abstract]
Non-impaired financing receivables	241,782		247,467
General reserves	4,302		4,209
Total impaired loans	10,604		10,740
Allowance for losses (specific reserves)	842		969
No Related Allowance [Member]
Impaired Loans
Total impaired loans	6,081		5,500
Unpaid principal balance	8,092		7,317
Average investment during the period	5,790		6,455
Financing Receivables And Allowance For Losses [Abstract]
Total impaired loans	6,081		5,500
Related Allowance [Member]
Impaired Loans
Total impaired loans	4,523		5,240
Unpaid principal balance	5,088		6,014
Allowance for losses (specific reserves)	842		969
Average investment during the period	4,881		5,892
Financing Receivables And Allowance For Losses [Abstract]
Total impaired loans	4,523		5,240
Allowance for losses (specific reserves)	842		969
Commercial Portfolio Segment [Member]
Impaired Loans
Total impaired loans	3,974		3,892
Allowance for losses (specific reserves)	229		328
Average investment during the period	3,933		4,445
Interest income recognized	57	53	218
Interest income recognized on a cash basis		16	60
Insignificant Amount Of Impaired Financing Receivable Interest Income Cash Basis Method	none
Financing Receivables And Allowance For Losses [Abstract]
Non-impaired financing receivables	122,344		125,377
General reserves	680		677
Total impaired loans	3,974		3,892
Allowance for losses (specific reserves)	229		328
Commercial Portfolio Segment [Member] | No Related Allowance [Member]
Impaired Loans
Total impaired loans	3,024		2,776
Unpaid principal balance	4,475		4,128
Average investment during the period	2,900		3,299
Financing Receivables And Allowance For Losses [Abstract]
Total impaired loans	3,024		2,776
Commercial Portfolio Segment [Member] | Related Allowance [Member]
Impaired Loans
Total impaired loans	950		1,116
Unpaid principal balance	1,363		1,559
Allowance for losses (specific reserves)	229		328
Average investment during the period	1,033		1,146
Financing Receivables And Allowance For Losses [Abstract]
Total impaired loans	950		1,116
Allowance for losses (specific reserves)	229		328
Commercial Portfolio Segment [Member] | Energy Financial Services Financing Receivables [Member] | No Related Allowance [Member]
Impaired Loans
Total impaired loans	18		0
Unpaid principal balance	18		0
Average investment during the period	9		0
Financing Receivables And Allowance For Losses [Abstract]
Total impaired loans	18		0
Commercial Portfolio Segment [Member] | Energy Financial Services Financing Receivables [Member] | Related Allowance [Member]
Impaired Loans
Total impaired loans	26		4
Unpaid principal balance	26		4
Allowance for losses (specific reserves)	3		1
Average investment during the period	15		2
Financing Receivables And Allowance For Losses [Abstract]
Total impaired loans	26		4
Allowance for losses (specific reserves)	3		1
Commercial Portfolio Segment [Member] | GECAS Financing Receivables [Member] | No Related Allowance [Member]
Impaired Loans
Total impaired loans	0		0
Unpaid principal balance	0		0
Average investment during the period	0		0
Financing Receivables And Allowance For Losses [Abstract]
Total impaired loans	0		0
Commercial Portfolio Segment [Member] | GECAS Financing Receivables [Member] | Related Allowance [Member]
Impaired Loans
Total impaired loans	65		0
Unpaid principal balance	65		0
Allowance for losses (specific reserves)	8		0
Average investment during the period	32		1
Financing Receivables And Allowance For Losses [Abstract]
Total impaired loans	65		0
Allowance for losses (specific reserves)	8		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	2		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]
Impaired Loans
Changes In Loans Modified As Troubled Debt Restructurings	176
Commercial Portfolio Segment [Member] | Americas CLL Financing Receivables [Member] | Troubled Debt Restructuring [Member]
Impaired Loans
Financing Receivable, Modifications, Recorded Investment	1,676		1,770
Commercial Portfolio Segment [Member] | Americas CLL Financing Receivables [Member] | No Related Allowance [Member]
Impaired Loans
Total impaired loans	1,792		1,670
Unpaid principal balance	2,385		2,187
Average investment during the period	1,731		2,154
Financing Receivables And Allowance For Losses [Abstract]
Total impaired loans	1,792		1,670
Commercial Portfolio Segment [Member] | Americas CLL Financing Receivables [Member] | Related Allowance [Member]
Impaired Loans
Total impaired loans	257		417
Unpaid principal balance	354		505
Allowance for losses (specific reserves)	49		96
Average investment during the period	337		509
Financing Receivables And Allowance For Losses [Abstract]
Total impaired loans	257		417
Allowance for losses (specific reserves)	49		96
Commercial Portfolio Segment [Member] | GE International [Member] | No Related Allowance [Member]
Impaired Loans
Total impaired loans	1,214		1,104
Unpaid principal balance	2,072		1,938
Average investment during the period	1,159		1,136
Financing Receivables And Allowance For Losses [Abstract]
Total impaired loans	1,214		1,104
Commercial Portfolio Segment [Member] | GE International [Member] | Related Allowance [Member]
Impaired Loans
Total impaired loans	602		691
Unpaid principal balance	918		1,046
Allowance for losses (specific reserves)	169		231
Average investment during the period	647		629
Financing Receivables And Allowance For Losses [Abstract]
Total impaired loans	602		691
Allowance for losses (specific reserves)	169		231
Commercial Portfolio Segment [Member] | CLL Financing Receivables [Member]
Impaired Loans
Changes In Loans Modified As Troubled Debt Restructurings	295
Loans Modified As Troubled Debt Restructuring That Have Subsequently Experienced Payment Default	19	44
Commercial Portfolio Segment [Member] | CLL Financing Receivables [Member] | Troubled Debt Restructuring [Member]
Impaired Loans
Financing Receivable, Modifications, Recorded Investment	2,916		2,961
Commercial Portfolio Segment [Member] | CLL Financing Receivables [Member] | No Related Allowance [Member]
Impaired Loans
Total impaired loans	3,006		2,774
Unpaid principal balance	4,457		4,125
Average investment during the period	2,890		3,290
Financing Receivables And Allowance For Losses [Abstract]
Total impaired loans	3,006		2,774
Commercial Portfolio Segment [Member] | CLL Financing Receivables [Member] | Related Allowance [Member]
Impaired Loans
Total impaired loans	859		1,108
Unpaid principal balance	1,272		1,551
Allowance for losses (specific reserves)	218		327
Average investment during the period	984		1,138
Financing Receivables And Allowance For Losses [Abstract]
Total impaired loans	859		1,108
Allowance for losses (specific reserves)	218		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	1,391	2,555
Commercial Real Estate Portfolio Segment [Member]
Impaired Loans
Total impaired loans	3,662		3,860
Allowance for losses (specific reserves)	53		74
Average investment during the period	3,761		4,746
Interest income recognized	19	57	187
Interest income recognized on a cash basis		44	135
Changes In Loans Modified As Troubled Debt Restructurings	369
Loans Modified As Troubled Debt Restructuring That Have Subsequently Experienced Payment Default	20	174
Insignificant Amount Of Impaired Financing Receivable Interest Income Cash Basis Method	none
Financing Receivables And Allowance For Losses [Abstract]
Non-impaired financing receivables	16,574		16,039
General reserves	122		118
Total impaired loans	3,662		3,860
Allowance for losses (specific reserves)	53		74
Commercial Real Estate Portfolio Segment [Member] | Troubled Debt Restructuring [Member]
Impaired Loans
Financing Receivable, Modifications, Recorded Investment	3,470		3,625
Commercial Real Estate Portfolio Segment [Member] | No Related Allowance [Member]
Impaired Loans
Total impaired loans	2,925		2,615
Unpaid principal balance	3,448		3,036
Average investment during the period	2,770		3,058
Financing Receivables And Allowance For Losses [Abstract]
Total impaired loans	2,925		2,615
Commercial Real Estate Portfolio Segment [Member] | Related Allowance [Member]
Impaired Loans
Total impaired loans	737		1,245
Unpaid principal balance	871		1,507
Allowance for losses (specific reserves)	53		74
Average investment during the period	991		1,688
Financing Receivables And Allowance For Losses [Abstract]
Total impaired loans	737		1,245
Allowance for losses (specific reserves)	53		74
Commercial Real Estate Portfolio Segment [Member] | Modifications Classified As TDRs In Last Twelve Months [Member]
Impaired Loans
Financing Receivable, Modifications, Recorded Investment	1,636	3,611
Consumer Portfolio Segment [Member]
Impaired Loans
Total impaired loans	2,968		2,988
Allowance for losses (specific reserves)	560		567
Average investment during the period	2,977		3,156
Interest income recognized	46	57	221
Interest income recognized on a cash basis		1	3
Changes In Loans Modified As Troubled Debt Restructurings	296
Loans Modified As Troubled Debt Restructuring That Have Subsequently Experienced Payment Default	57	100
Insignificant Amount Of Impaired Financing Receivable Interest Income Cash Basis Method	an insignificant amount
Financing Receivables And Allowance For Losses [Abstract]
Non-impaired financing receivables	102,864		106,051
General reserves	3,500		3,414
Total impaired loans	2,968		2,988
Allowance for losses (specific reserves)	560		567
Consumer Portfolio Segment [Member] | Troubled Debt Restructuring [Member]
Impaired Loans
Financing Receivable, Modifications, Recorded Investment	2,839		2,874
Consumer Portfolio Segment [Member] | No Related Allowance [Member]
Impaired Loans
Total impaired loans	132		109
Unpaid principal balance	169		153
Average investment during the period	120		98
Financing Receivables And Allowance For Losses [Abstract]
Total impaired loans	132		109
Consumer Portfolio Segment [Member] | Related Allowance [Member]
Impaired Loans
Total impaired loans	2,836		2,879
Unpaid principal balance	2,854		2,948
Allowance for losses (specific reserves)	560		567
Average investment during the period	2,857		3,058
Financing Receivable, Modifications, Recorded Investment	2,836
Financing Receivables And Allowance For Losses [Abstract]
Total impaired loans	2,836		2,879
Allowance for losses (specific reserves)	560		567
Consumer Portfolio Segment [Member] | Modifications Classified As TDRs In Last Twelve Months [Member]
Impaired Loans
Financing Receivable, Modifications, Recorded Investment	1,339	1,647
Consumer Portfolio Segment [Member] | Consumer Other Portfolio [Member]
Impaired Loans
Unpaid principal balance	2,854
Allowance for losses (specific reserves)	33
Average investment during the period	2,857
Financing Receivables And Allowance For Losses [Abstract]
Allowance for losses (specific reserves)	33
Consumer Portfolio Segment [Member] | Consumer Other Portfolio [Member] | Impaired Loans [Member]
Impaired Loans
Unpaid principal balance	3,023
Consumer Portfolio Segment [Member] | Consumer Other Portfolio [Member] | No Related Allowance [Member]
Impaired Loans
Financing Receivable, Modifications, Recorded Investment	132
Consumer Portfolio Segment [Member] | Consumer Other Portfolio [Member] | Related Allowance [Member]
Impaired Loans
Financing Receivable, Modifications, Recorded Investment	239
Consumer Portfolio Segment [Member] | Remaining Consumer Business [Member]
Impaired Loans
Allowance for losses (specific reserves)	527
Financing Receivables And Allowance For Losses [Abstract]
Allowance for losses (specific reserves)	527
Consumer Portfolio Segment [Member] | Remaining Consumer Business [Member] | Related Allowance [Member]
Impaired Loans
Financing Receivable, Modifications, Recorded Investment	2,597
Consumer Portfolio Segment [Member] | Non US Consumer [Member]
Impaired Loans
Changes In Loans Modified As Troubled Debt Restructurings	179
Consumer Portfolio Segment [Member] | Credit Card Loans [Member]
Impaired Loans
Changes In Loans Modified As Troubled Debt Restructurings	$ 117