OPERATING SEGMENTS - Geographic Revenues (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Segment Reporting Information [Line Items]
Total revenues	$ 79,619	$ 95,214	$ 97,012
GE Industrial
Segment Reporting Information [Line Items]
Total revenues	73,100	87,719	89,038
GE Industrial | Power
Segment Reporting Information [Line Items]
Total revenues	17,237	18,267	21,997
GE Industrial | Renewable Energy
Segment Reporting Information [Line Items]
Total revenues	15,523	15,198	14,102
GE Industrial | Aviation
Segment Reporting Information [Line Items]
Total revenues	20,597	32,117	30,191
GE Industrial | Healthcare
Segment Reporting Information [Line Items]
Total revenues	18,008	19,942	19,784
Capital
Segment Reporting Information [Line Items]
Total revenues	6,679	7,770	8,167
U.S.
Segment Reporting Information [Line Items]
Total revenues	35,314	39,372	39,876
Europe
Segment Reporting Information [Line Items]
Total revenues	15,733	19,092	19,828
Asia
Segment Reporting Information [Line Items]
Total revenues	16,216	20,156	19,300
Americas
Segment Reporting Information [Line Items]
Total revenues	4,701	6,336	7,892
Middle East and Africa
Segment Reporting Information [Line Items]
Total revenues	7,655	10,259	10,117
Non-U.S.
Segment Reporting Information [Line Items]
Total revenues	$ 44,305	$ 55,843	$ 57,136
Non-U.S. | Revenue benchmark | Geographic Concentration Risk
Segment Reporting Information [Line Items]
Concentration risk (as a percentage)	56.00%	59.00%	59.00%
Operating segments | GE Industrial | Power
Segment Reporting Information [Line Items]
Total revenues	$ 17,589	$ 18,625	$ 22,150
Operating segments | GE Industrial | Renewable Energy
Segment Reporting Information [Line Items]
Total revenues	15,666	15,337	14,288
Operating segments | GE Industrial | Aviation
Segment Reporting Information [Line Items]
Total revenues	22,042	32,875	30,566
Operating segments | GE Industrial | Healthcare
Segment Reporting Information [Line Items]
Total revenues	18,009	19,942	19,784
Operating segments | Capital
Segment Reporting Information [Line Items]
Total revenues	7,245	8,741	9,551
Operating segments | U.S. | GE Industrial | Power
Segment Reporting Information [Line Items]
Total revenues	6,186	5,992	7,456
Operating segments | U.S. | GE Industrial | Renewable Energy
Segment Reporting Information [Line Items]
Total revenues	7,846	7,413	4,912
Operating segments | U.S. | GE Industrial | Aviation
Segment Reporting Information [Line Items]
Total revenues	11,239	13,384	12,529
Operating segments | U.S. | GE Industrial | Healthcare
Segment Reporting Information [Line Items]
Total revenues	7,611	8,526	8,574
Operating segments | U.S. | Capital
Segment Reporting Information [Line Items]
Total revenues	3,550	4,149	5,282
Operating segments | Europe | GE Industrial | Power
Segment Reporting Information [Line Items]
Total revenues	2,895	3,140	4,538
Operating segments | Europe | GE Industrial | Renewable Energy
Segment Reporting Information [Line Items]
Total revenues	3,047	2,925	3,212
Operating segments | Europe | GE Industrial | Aviation
Segment Reporting Information [Line Items]
Total revenues	4,288	7,452	7,027
Operating segments | Europe | GE Industrial | Healthcare
Segment Reporting Information [Line Items]
Total revenues	3,952	4,132	4,164
Operating segments | Europe | Capital
Segment Reporting Information [Line Items]
Total revenues	1,395	1,577	1,383
Operating segments | Asia | GE Industrial | Power
Segment Reporting Information [Line Items]
Total revenues	3,961	4,018	4,072
Operating segments | Asia | GE Industrial | Renewable Energy
Segment Reporting Information [Line Items]
Total revenues	2,640	2,737	2,933
Operating segments | Asia | GE Industrial | Aviation
Segment Reporting Information [Line Items]
Total revenues	3,920	6,641	5,787
Operating segments | Asia | GE Industrial | Healthcare
Segment Reporting Information [Line Items]
Total revenues	4,719	5,436	5,219
Operating segments | Asia | Capital
Segment Reporting Information [Line Items]
Total revenues	997	1,454	1,368
Operating segments | Americas | GE Industrial | Power
Segment Reporting Information [Line Items]
Total revenues	1,483	1,915	2,546
Operating segments | Americas | GE Industrial | Renewable Energy
Segment Reporting Information [Line Items]
Total revenues	819	1,064	2,179
Operating segments | Americas | GE Industrial | Aviation
Segment Reporting Information [Line Items]
Total revenues	882	1,593	1,459
Operating segments | Americas | GE Industrial | Healthcare
Segment Reporting Information [Line Items]
Total revenues	879	1,056	988
Operating segments | Americas | Capital
Segment Reporting Information [Line Items]
Total revenues	639	742	632
Operating segments | Middle East and Africa | GE Industrial | Power
Segment Reporting Information [Line Items]
Total revenues	3,064	3,560	3,538
Operating segments | Middle East and Africa | GE Industrial | Renewable Energy
Segment Reporting Information [Line Items]
Total revenues	1,314	1,198	1,052
Operating segments | Middle East and Africa | GE Industrial | Aviation
Segment Reporting Information [Line Items]
Total revenues	1,713	3,805	3,764
Operating segments | Middle East and Africa | GE Industrial | Healthcare
Segment Reporting Information [Line Items]
Total revenues	848	792	839
Operating segments | Middle East and Africa | Capital
Segment Reporting Information [Line Items]
Total revenues	664	819	886
Operating segments | Non-U.S. | GE Industrial | Power
Segment Reporting Information [Line Items]
Total revenues	$ 11,403	$ 12,633	$ 14,694
Operating segments | Non-U.S. | GE Industrial | Power | Revenue benchmark | Geographic Concentration Risk
Segment Reporting Information [Line Items]
Concentration risk (as a percentage)	65.00%	68.00%	66.00%
Operating segments | Non-U.S. | GE Industrial | Renewable Energy
Segment Reporting Information [Line Items]
Total revenues	$ 7,820	$ 7,924	$ 9,376
Operating segments | Non-U.S. | GE Industrial | Renewable Energy | Revenue benchmark | Geographic Concentration Risk
Segment Reporting Information [Line Items]
Concentration risk (as a percentage)	50.00%	52.00%	66.00%
Operating segments | Non-U.S. | GE Industrial | Aviation
Segment Reporting Information [Line Items]
Total revenues	$ 10,803	$ 19,491	$ 18,037
Operating segments | Non-U.S. | GE Industrial | Aviation | Revenue benchmark | Geographic Concentration Risk
Segment Reporting Information [Line Items]
Concentration risk (as a percentage)	49.00%	59.00%	59.00%
Operating segments | Non-U.S. | GE Industrial | Healthcare
Segment Reporting Information [Line Items]
Total revenues	$ 10,398	$ 11,416	$ 11,210
Operating segments | Non-U.S. | GE Industrial | Healthcare | Revenue benchmark | Geographic Concentration Risk
Segment Reporting Information [Line Items]
Concentration risk (as a percentage)	58.00%	57.00%	57.00%
Operating segments | Non-U.S. | Capital
Segment Reporting Information [Line Items]
Total revenues	$ 3,695	$ 4,592	$ 4,269
Operating segments | Non-U.S. | Capital | Revenue benchmark | Geographic Concentration Risk
Segment Reporting Information [Line Items]
Concentration risk (as a percentage)	51.00%	53.00%	45.00%
Corporate items and eliminations
Segment Reporting Information [Line Items]
Total revenues	$ (932)	$ (305)	$ 673
Corporate items and eliminations | GE Industrial
Segment Reporting Information [Line Items]
Total revenues	(206)	940	2,250
Corporate items and eliminations | U.S.
Segment Reporting Information [Line Items]
Total revenues	(1,117)	(93)	1,124
Corporate items and eliminations | Europe
Segment Reporting Information [Line Items]
Total revenues	155	(135)	(496)
Corporate items and eliminations | Asia
Segment Reporting Information [Line Items]
Total revenues	(20)	(130)	(79)
Corporate items and eliminations | Americas
Segment Reporting Information [Line Items]
Total revenues	(2)	(33)	87
Corporate items and eliminations | Middle East and Africa
Segment Reporting Information [Line Items]
Total revenues	52	86	37
Corporate items and eliminations | Non-U.S.
Segment Reporting Information [Line Items]
Total revenues	$ 185	$ (212)	$ (451)