Revenues from Services (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended					3 Months Ended		12 Months Ended
	Mar. 31, 2013		Mar. 31, 2012	Dec. 31, 2012		Mar. 31, 2013 Sale Of Rockefeller Center [Member]	Mar. 31, 2013 Significant Associated Companies [Member]	Dec. 31, 2012 Significant Associated Companies [Member]
Subsidiary Revenue From Services [Line Items]
Interest On Loans	$ 4,546		$ 4,858
Equipment leased to others	2,529		2,643
Fees	1,135		1,160
Investment Income	414		667
Financing leases	436		534
Premiums earned by insurance activities	395		445
Real estate investments	1,300		356
Associated companies	173		270
Other items	581		377
Revenues from services (Note 9)	11,509		11,310
Net other-than-temporary impairments on investment securities	278		32
Assets	529,518	[1]		539,339	[1]		111,597	110,695
Financing Receivable, Net	258,324			268,951			67,619	66,878
Liabilities	445,049	[1]		456,742	[1]		82,377	81,784
Deposits	49,427			46,461			28,458	26,386
Debt							41,491	42,664
Revenues	10,777		10,623				4,010	4,490
Net earnings	2,042		1,938				565	529
Proceeds from Sale of Real Estate Held-for-investment						$ 902

[1] (a) Our consolidated assets at March 31, 2013 include total assets of $47,033 million of certain variable interest entities (VIEs) that can only be used to settle the liabilities of those VIEs. These assets include net financing receivables of $40,079 million and investment securities of $4,494 million. Our consolidated liabilities at March 31, 2013 include liabilities of certain VIEs for which the VIE creditors do not have recourse to GECC. These liabilities include non-recourse borrowings of consolidated securitization entities (CSEs) of $29,187 million. See Note 13.