Financing Receivables, Allowance For Losses On Financing Receivables and Supplemental Information on Credit Quality (Nonaccrual Financing Receivables) (Details) (USD $) In Millions, unless otherwise specified	Dec. 31, 2013	Dec. 31, 2012
Nonaccrual Financing Receivables
Nonaccrual loans	$ 7,915	$ 13,339
Nonearning financing receivables	7,232	7,515
Allowance for losses as a percent of nonaccrual financing receivables	65.40%	37.10%
Allowance for losses as a percent of nonearning financing receivables	71.60%	65.80%
Commercial Portfolio Segment [Member]
Nonaccrual Financing Receivables
Nonaccrual loans	2,744	4,166
Amount of nonaccrual loans currently paying in accordance with contractual terms	1,397	2,647
Nonearning financing receivables	2,712	2,890
Allowance for losses as a percent of nonaccrual financing receivables	36.60%	25.00%
Allowance for losses as a percent of nonearning financing receivables	37.10%	36.00%
Commercial Portfolio Segment [Member] | Energy Financial Services Financing Receivables [Member]
Nonaccrual Financing Receivables
Nonaccrual loans	4	0
Nonearning financing receivables	4	0
Commercial Portfolio Segment [Member] | GECAS Financing Receivables [Member]
Nonaccrual Financing Receivables
Nonaccrual loans	0	3
Nonearning financing receivables	0	0
Commercial Portfolio Segment [Member] | Other Financing Receivables [Member]
Nonaccrual Financing Receivables
Nonaccrual loans	6	25
Nonearning financing receivables	6	13
Commercial Portfolio Segment [Member] | Americas CLL Financing Receivables [Member]
Nonaccrual Financing Receivables
Nonaccrual loans	1,275	1,951
Nonearning financing receivables	1,243	1,333
Commercial Portfolio Segment [Member] | Europe CLL Financing Receivables [Member]
Nonaccrual Financing Receivables
Nonaccrual loans	1,046	1,740
Nonearning financing receivables	1,046	1,299
Commercial Portfolio Segment [Member] | Asia CLL Financing Receivables [Member]
Nonaccrual Financing Receivables
Nonaccrual loans	413	395
Nonearning financing receivables	413	193
Commercial Portfolio Segment [Member] | Other CLL Financing Receivables [Member]
Nonaccrual Financing Receivables
Nonaccrual loans	0	52
Nonearning financing receivables	0	52
Commercial Portfolio Segment [Member] | CLL Financing Receivables [Member]
Nonaccrual Financing Receivables
Nonaccrual loans	2,734	4,138
Nonearning financing receivables	2,702	2,877
Commercial Real Estate Portfolio Segment [Member]
Nonaccrual Financing Receivables
Nonaccrual loans	2,551	4,885
Amount of nonaccrual loans currently paying in accordance with contractual terms	2,308	4,461
Nonearning financing receivables	2,301	444
Allowance for losses as a percent of nonaccrual financing receivables	7.50%	6.60%
Allowance for losses as a percent of nonearning financing receivables	8.30%	72.10%
Consumer Portfolio Segment [Member]
Nonaccrual Financing Receivables
Nonaccrual loans	2,620	4,288
Amount of nonaccrual loans currently paying in accordance with contractual terms	527	734
Nonearning financing receivables	2,219	4,181
Allowance for losses as a percent of nonaccrual financing receivables	151.90%	83.60%
Allowance for losses as a percent of nonearning financing receivables	179.40%	85.70%
Consumer Portfolio Segment [Member] | Non US residential mortgages [Member]
Nonaccrual Financing Receivables
Nonaccrual loans	2,161	2,598
Nonearning financing receivables	1,766	2,567
Consumer Portfolio Segment [Member] | Non US installment and revolving credit [Member]
Nonaccrual Financing Receivables
Nonaccrual loans	88	213
Nonearning financing receivables	88	213
Consumer Portfolio Segment [Member] | US installment and revolving credit [Member]
Nonaccrual Financing Receivables
Nonaccrual loans	2	1,026
Nonearning financing receivables	2	1,026
Consumer Portfolio Segment [Member] | Non US auto [Member]
Nonaccrual Financing Receivables
Nonaccrual loans	18	24
Nonearning financing receivables	18	24
Consumer Portfolio Segment [Member] | Consumer Other Financing Receivable [Member]
Nonaccrual Financing Receivables
Nonaccrual loans	351	427
Nonearning financing receivables	$ 345	$ 351