Supplemental Information About The Credit Quality Of Financing Receivables And Allowance For Losses On Financing Receivables (Past Due & Nonaccrual Financing Receivables) (Details) - GECC - USD ($) $ in Millions	Sep. 30, 2015	Dec. 31, 2014
Past Due Financing Receivables
Percent of Financing Receivable, Recorded Investment, Past Due Over 30 Days	3.80%	4.50%
Percent of Financing Receivable, Recorded Investment, Past Due Over 90 Days	1.50%	2.10%
Nonaccrual Financing Receivables
Nonaccrual loans	$ 306	$ 1,996
Percent Financing Receivable, Recorded Investment, Nonaccrual Status	0.40%	1.60%
Greater than 90 days past due [Member]
Past Due Financing Receivables
Financing receivable investment past due	$ 1,339	$ 2,626
Greater than 30 days past due [Member]
Past Due Financing Receivables
Financing receivable investment past due	3,273	5,747
CLL
Nonaccrual Financing Receivables
Nonaccrual loans	27	25
CLL | Greater than 90 days past due [Member]
Past Due Financing Receivables
Financing receivable investment past due	174	131
CLL | Greater than 30 days past due [Member]
Past Due Financing Receivables
Financing receivable investment past due	655	610
Energy Financial Services
Nonaccrual Financing Receivables
Nonaccrual loans	82	68
Energy Financial Services | Greater than 90 days past due [Member]
Past Due Financing Receivables
Financing receivable investment past due	63	0
Energy Financial Services | Greater than 30 days past due [Member]
Past Due Financing Receivables
Financing receivable investment past due	63	0
GECAS
Nonaccrual Financing Receivables
Nonaccrual loans	195	419
GECAS | Greater than 90 days past due [Member]
Past Due Financing Receivables
Financing receivable investment past due	0	0
GECAS | Greater than 30 days past due [Member]
Past Due Financing Receivables
Financing receivable investment past due	2	0
Commercial
Nonaccrual Financing Receivables
Nonaccrual loans	304	512
Amount of nonaccrual loans currently paying in accordance with contractual terms	228	484
Commercial | Greater than 90 days past due [Member]
Past Due Financing Receivables
Financing receivable investment past due	237	131
Commercial | Greater than 30 days past due [Member]
Past Due Financing Receivables
Financing receivable investment past due	720	610
Consumer
Past Due Financing Receivables
Loans which are 90+ days past due and still accruing interest	1,100	1,231
Nonaccrual Financing Receivables
Nonaccrual loans	2	1,484
Amount of nonaccrual loans currently paying in accordance with contractual terms	0	179
Consumer | Greater than 90 days past due [Member]
Past Due Financing Receivables
Financing receivable investment past due	1,102	2,495
Consumer | Greater than 30 days past due [Member]
Past Due Financing Receivables
Financing receivable investment past due	$ 2,553	$ 5,137