All Other Assets (Details) (USD $) In Millions, unless otherwise specified	Dec. 31, 2014		Dec. 31, 2013
Investments [Abstract]
Assets held for sale	$ 6,300		$ 50
Derivative instruments	617		1,005
Other Assets	68,225		70,808
Other Assets
Investments [Abstract]
Other Assets	68,225		70,808
Eliminations	(330)		(266)
GE
Investments [Abstract]
Assets held for sale	2,805	[1]	0	[1]
Contract costs and estimated earnings	13,990		12,522
Long-term Investments and Receivables, Net	766		993
Derivative instruments	783		623
Other	5,144		5,007
Other Assets	24,680	[1]	23,708	[1]
GE | Other Assets
Investments [Abstract]
Other Assets	24,680		23,708
GE | Other Assets | Investments [Member]
Investments [Abstract]
Associated companies - other assets	3,384		3,937
Other investments	613		626
Other Assets	3,997		4,563
GECC
Investments [Abstract]
Assets held for sale	3,474		50
Other Assets	43,875		47,366
GECC | Other Assets
Investments [Abstract]
Derivative instruments	1,794		2,328
Deferred borrowing costs	849		867
Advances to suppliers	1,406		1,117
Deferred acquistion costs	17		29
Other	4,435		4,551
Other Assets	43,875		47,366
GECC | Other Assets | Investments [Member]
Investments [Abstract]
Real estate	10,891		16,163
Associated companies - other assets	16,747		17,348
Assets held for sale	5,549		2,571
Cost method	566		1,462
Other investments	1,621		930
Other Assets	$ 35,374		$ 38,474

[1] (a)Represents the adding together of all affiliated companies except General Electric Capital Corporation (GECC or Financial Services), which is presented on a one-line basis. See Note 1.