Consolidated Statement of Changes in Shareowners' Equity (unaudited) $ in Millions	USD ($)
Statement Of Changes In Shareowners Equity [Abstract]
Noncontrolling interests	$ 432	[1]
GECC shareowners' equity, begining balance, Jan 1 at Dec. 31, 2013	82,694
Statement Of Changes In Shareowners Equity [Abstract]
Net earnings (loss) attributable to the Company	5,322	[2]
Dividends and other transactions with shareowners	(2,382)	[2]
Other comprehensive income (loss) attributable to Company	203	[2]
Changes in additional paid-in capital	436	[2]
GECC shareowners' equity, ending balance, September 30 at Sep. 30, 2014	86,273
Statement Of Changes In Shareowners Equity [Abstract]
Noncontrolling interests	350
Net earnings (loss) attributable to the Company	1,549	[2]
Other comprehensive income (loss) attributable to Company	(701)	[2]
GECC shareowners' equity, ending balance, September 30 at Sep. 30, 2014	86,273
Statement Of Changes In Shareowners Equity [Abstract]
Noncontrolling interests	2,804
Total equity balance at September 30	89,077
Noncontrolling interests	2,899	[1],[2]
Total equity balance at September 30	90,398	[2]
GECC shareowners' equity, begining balance, Jan 1 at Dec. 31, 2014	87,499	[2]
Statement Of Changes In Shareowners Equity [Abstract]
Net earnings (loss) attributable to the Company	(17,726)	[2]
Dividends and other transactions with shareowners	(611)	[2]
Other comprehensive income (loss) attributable to Company	(1,015)	[2]
Changes in additional paid-in capital	20	[2]
GECC shareowners' equity, ending balance, September 30 at Sep. 30, 2015	68,166	[2]
Statement Of Changes In Shareowners Equity [Abstract]
Noncontrolling interests	3,083
Net earnings (loss) attributable to the Company	387	[2]
Other comprehensive income (loss) attributable to Company	725	[2]
GECC shareowners' equity, ending balance, September 30 at Sep. 30, 2015	68,166	[2]
Statement Of Changes In Shareowners Equity [Abstract]
Noncontrolling interests	3,160	[1],[2]
Total equity balance at September 30	$ 71,326	[2]

[1] (c) Included AOCI attributable to noncontrolling interests of $ (178) million and $ (154) million at September 30, 2015 and December 31, 2014 , respectively.

[2] Amounts may not add due to rounding.