Supplemental Information About The Credit Quality Of Financing Receivables And Allowance For Losses On Financing Receivables (Impairment) (Details) (GECC, USD $) In Millions, unless otherwise specified	9 Months Ended	12 Months Ended
	Sep. 30, 2014	Dec. 31, 2013
Financing Receivables and Allowance for Losses
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
Financing Receivables and Allowance for Losses
Total impaired loans	4,815	5,500
Unpaid principal balance	7,603	8,461
Average investment during the period	5,463	6,455
Related Allowance
Financing Receivables and Allowance for Losses
Total impaired loans	3,394	5,240
Allowance for losses (specific reserves)	700	969
Unpaid principal balance	3,944	6,027
Average investment during the period	4,292	5,892
Commercial
Financing Receivables and Allowance for Losses
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
Average investment during the period	3,721	4,445
Commercial | No Related Allowance
Financing Receivables and Allowance for Losses
Total impaired loans	2,690	2,776
Unpaid principal balance	5,115	5,272
Average investment during the period	2,880	3,299
Commercial | Related Allowance
Financing Receivables and Allowance for Losses
Total impaired loans	547	1,116
Allowance for losses (specific reserves)	189	328
Unpaid principal balance	810	1,572
Average investment during the period	841	1,146
Real Estate
Financing Receivables and Allowance for Losses
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
Average investment during the period	3,246	4,746
Real Estate | No Related Allowance
Financing Receivables and Allowance for Losses
Total impaired loans	1,994	2,615
Unpaid principal balance	2,315	3,036
Average investment during the period	2,468	3,058
Real Estate | Related Allowance
Financing Receivables and Allowance for Losses
Total impaired loans	478	1,245
Allowance for losses (specific reserves)	27	74
Unpaid principal balance	631	1,507
Average investment during the period	778	1,688
Consumer
Financing Receivables and Allowance for Losses
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
Average investment during the period	2,788	3,156
Consumer | No Related Allowance
Financing Receivables and Allowance for Losses
Total impaired loans	131	109
Unpaid principal balance	173	153
Average investment during the period	115	98
Consumer | Related Allowance
Financing Receivables and Allowance for Losses
Total impaired loans	2,369	2,879
Allowance for losses (specific reserves)	484	567
Unpaid principal balance	2,503	2,948
Average investment during the period	$ 2,673	$ 3,058