Financing Receivables, Allowance For Losses On Financing Receivables and Supplemental Information on Credit Quality (Past Due Financing Receivables) (Details) (USD $) In Millions, unless otherwise specified	Dec. 31, 2013	Dec. 31, 2012
Past Due Financing Receivables
Over 30 days past due	3.50%	3.70%
Over 90 days past due	1.90%	2.10%
Commercial Portfolio Segment [Member]
Past Due Financing Receivables
Over 30 days past due	1.70%	1.70%
Over 90 days past due	0.90%	0.90%
Commercial Portfolio Segment [Member] | Energy Financial Services Financing Receivables [Member]
Past Due Financing Receivables
Over 30 days past due	0.00%	0.00%
Over 90 days past due	0.00%	0.00%
Commercial Portfolio Segment [Member] | GECAS Financing Receivables [Member]
Past Due Financing Receivables
Over 30 days past due	0.00%	0.00%
Over 90 days past due	0.00%	0.00%
Commercial Portfolio Segment [Member] | Other Financing Receivables [Member]
Past Due Financing Receivables
Over 30 days past due	0.10%	2.80%
Over 90 days past due	0.10%	2.80%
Commercial Portfolio Segment [Member] | Americas CLL Financing Receivables [Member]
Past Due Financing Receivables
Over 30 days past due	1.10%	1.10%
Over 90 days past due	0.50%	0.50%
Commercial Portfolio Segment [Member] | Europe CLL Financing Receivables [Member]
Past Due Financing Receivables
Over 30 days past due	3.80%	3.70%
Over 90 days past due	2.10%	2.10%
Commercial Portfolio Segment [Member] | Asia CLL Financing Receivables [Member]
Past Due Financing Receivables
Over 30 days past due	0.50%	0.90%
Over 90 days past due	0.30%	0.60%
Commercial Portfolio Segment [Member] | Other CLL Financing Receivables [Member]
Past Due Financing Receivables
Over 30 days past due	0.00%	0.10%
Over 90 days past due	0.00%	0.00%
Commercial Portfolio Segment [Member] | CLL Financing Receivables [Member]
Past Due Financing Receivables
Over 30 days past due	1.90%	1.90%
Over 90 days past due	1.00%	1.00%
Commercial Real Estate Portfolio Segment [Member]
Past Due Financing Receivables
Over 30 days past due	1.20%	2.30%
Over 90 days past due	1.10%	2.20%
Consumer Portfolio Segment [Member]
Past Due Financing Receivables
Over 30 days past due	6.10%	6.50%
Over 90 days past due	3.20%	3.40%
Financing Receivable, Recorded Investment, 90 Days Past Due and Still Accruing	$ 1,197
Consumer Portfolio Segment [Member] | Non US residential mortgages [Member]
Past Due Financing Receivables
Over 30 days past due	11.20%	12.00%
Over 90 days past due	6.90%	7.50%
Consumer Portfolio Segment [Member] | Non US installment and revolving credit [Member]
Past Due Financing Receivables
Over 30 days past due	3.70%	3.80%
Over 90 days past due	1.10%	1.10%
Consumer Portfolio Segment [Member] | US installment and revolving credit [Member]
Past Due Financing Receivables
Over 30 days past due	4.40%	4.60%
Over 90 days past due	2.00%	2.00%
Consumer Portfolio Segment [Member] | Non US auto [Member]
Past Due Financing Receivables
Over 30 days past due	4.40%	3.10%
Over 90 days past due	0.70%	0.50%
Consumer Portfolio Segment [Member] | Consumer Other Financing Receivable [Member]
Past Due Financing Receivables
Over 30 days past due	2.50%	2.80%
Over 90 days past due	1.40%	1.70%