Financing Receivables and Allowance for Losses on Financing Receivables (Net Investment in Financing Leases) (Details) (USD $) In Millions, unless otherwise specified	Jun. 30, 2014	Dec. 31, 2013	Jun. 30, 2013	Dec. 31, 2012
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans and Leases Receivable, Net of Deferred Income	$ 246,851	$ 258,207
Less allowance for losses	(5,155)	(5,178)	(5,232)	(4,944)
Financing receivables - net (Notes 4 and 13)	241,696	253,029
Commercial Portfolio Segment [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans and Leases Receivable, Net of Deferred Income	124,597	129,269
Less allowance for losses	(892)	(1,005)	(902)	(1,041)
Commercial Portfolio Segment [Member] | Americas CLL Financing Receivables [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans and Leases Receivable, Net of Deferred Income	67,688	69,036
Less allowance for losses	(423)	(473)	(480)	(496)
Commercial Portfolio Segment [Member] | CLL Financing Receivables [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans and Leases Receivable, Net of Deferred Income	113,243	116,467
Less allowance for losses	(850)	(978)	(881)	(1,021)
Commercial Portfolio Segment [Member] | GE International [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans and Leases Receivable, Net of Deferred Income	45,555	47,431
Less allowance for losses	(427)	(505)	(401)	(525)
Commercial Portfolio Segment [Member] | Energy Financial Services Financing Receivables [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans and Leases Receivable, Net of Deferred Income	2,776	3,107
Less allowance for losses	(21)	(8)	(8)	(9)
Commercial Portfolio Segment [Member] | GECAS Financing Receivables [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans and Leases Receivable, Net of Deferred Income	8,440	9,377
Less allowance for losses	(21)	(17)	(11)	(8)
Commercial Portfolio Segment [Member] | Other Financing Receivables [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans and Leases Receivable, Net of Deferred Income	138	318
Less allowance for losses	0	(2)	(2)	(3)
Commercial Real Estate Portfolio Segment [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans and Leases Receivable, Net of Deferred Income	19,799	19,899
Less allowance for losses	(162)	(192)	(235)	(320)
Consumer Portfolio Segment [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans and Leases Receivable, Net of Deferred Income	102,455	109,039
Less allowance for losses	(4,101)	(3,981)	(4,095)	(3,583)
Consumer Portfolio Segment [Member] | Non US residential mortgages [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans and Leases Receivable, Net of Deferred Income	29,594	30,501
Less allowance for losses	(411)	(358)	(517)	(480)
Consumer Portfolio Segment [Member] | Non US installment and revolving credit [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans and Leases Receivable, Net of Deferred Income	10,782	13,677
Less allowance for losses	(496)	(594)	(607)	(582)
Consumer Portfolio Segment [Member] | US installment and revolving credit [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans and Leases Receivable, Net of Deferred Income	53,365	55,854
Less allowance for losses	(2,953)	(2,823)	(2,714)	(2,282)
Consumer Portfolio Segment [Member] | Non US auto [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans and Leases Receivable, Net of Deferred Income	1,763	2,054
Less allowance for losses	(114)	(56)	(62)	(67)
Consumer Portfolio Segment [Member] | Consumer Other Financing Receivable [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans and Leases Receivable, Net of Deferred Income	6,951	6,953
Less allowance for losses	$ (127)	$ (150)	$ (195)	$ (172)