Shareowners' Equity - Rollforward Schedule (Details) - USD ($) $ in Millions		3 Months Ended			9 Months Ended
		Sep. 30, 2015		Sep. 30, 2014	Sep. 30, 2015		Sep. 30, 2014	Jun. 30, 2015	Dec. 31, 2014		Jun. 30, 2014	Dec. 31, 2013	[2]
Preferred and Common Stock [Abstract]
Preferred Stock, Value, Issued	[1]	$ 0			$ 0				$ 0
Common Stock, Value, Issued	[1]	0			0				0
Accumulated Other Comprehensive Income (Loss), Net of Tax [Abstract]
Beginning balance					(577)
Other comprehensive income (OCI) before reclassifications - net of deferred taxes		725
Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent	[1]	725		$ (701)	(1,015)		$ 203
Accumulated other comprehensive income (loss) ending balance		(1,593)		(831)	(1,593)		(831)
Other capital
Additional Paid in Capital, Beginning Balance	[1]				32,999
Additional Paid in Capital, Ending Balance	[1]	33,019			33,019
Retained earnings
Retained Earnings (Accumulated Deficit), Beginning Balance	[1]				55,077
Net Income (Loss) Attributable to Parent	[1]	387		1,549	(17,726)		5,322
Dividends and other transactions with shareowners	[1]				(611)		(2,382)
Retained Earnings (Accumulated Deficit), Ending Balance	[1]	36,740			36,740
Total equity
GECC shareowners' equity, begining balance, Jan 1					87,499	[1]	82,694
Noncontrolling interests(c) (Note 8)		3,160	[1],[2]	2,804	3,160	[1],[2]	2,804	$ 3,083	2,899	[1],[2]	$ 350	$ 432
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest		$ 71,326	[1]	$ 89,077	$ 71,326	[1]	$ 89,077		$ 90,398	[1]

[1] Amounts may not add due to rounding.

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