CURRENT AND ALL OTHER LIABILITIES (Details) - USD ($) $ in Millions	Dec. 31, 2020	Dec. 31, 2019
Subsidiary or Equity Method Investee [Line Items]
Other current liabilities	$ 16,600	$ 17,821
Operating lease liabilities (Note 7)	2,973	3,162
Alstom legacy legal matters (Note 23)	858	875
Redeemable noncontrolling interests (Note 16)	487	439
All other liabilities	16,077	15,938
Total	32,677	33,759
Accounts payable and equipment project accruals	16,476	17,357
Revision of Prior Period, Reclassification, Adjustment [Member]
Subsidiary or Equity Method Investee [Line Items]
Other current liabilities	(1,432)
Accounts payable and equipment project accruals	1,432
Eliminations
Subsidiary or Equity Method Investee [Line Items]
Other current liabilities	(1,422)	(1,483)
All other liabilities	(1,514)	(1,593)
GE Industrial | Reportable Legal Entities
Subsidiary or Equity Method Investee [Line Items]
Sales allowances, equipment projects and other commercial liabilities	5,123	4,277
Product warranties (Note 23)	1,197	1,371
Employee compensation and benefit liabilities	4,763	5,114
Taxes payable	413	429
Environmental, health and safety liabilities (Note 23)	359	330
Due to GE Capital	984	1,080
Derivative instruments (Note 21)	250	171
Other	1,044	2,479
Other current liabilities	14,131	15,251
Sales allowances, equipment projects and other commercial liabilities	3,917	3,923
Product warranties (Note 23)	857	793
Operating lease liabilities (Note 7)	3,133	3,369
Uncertain and other income taxes and related liabilities	3,652	3,410
Alstom legacy legal matters (Note 23)	858	875
Environmental, health and safety liabilities (Note 23)	2,210	2,154
Redeemable noncontrolling interests (Note 16)	487	439
Other	1,326	1,342
All other liabilities	16,440	16,306
GE Capital
Subsidiary or Equity Method Investee [Line Items]
Other	1,244	495
Other current liabilities	3,890	4,052
All other liabilities	1,151	1,226
Accounts payable and equipment project accruals	947	886
GE Capital | Reportable Legal Entities
Subsidiary or Equity Method Investee [Line Items]
Derivative instruments (Note 21)	117	31
Aircraft maintenance reserve, sales deposits and other commercial liabilities	1,465	2,336
Interest payable	1,064	1,189
Other current liabilities	3,890	4,052
Operating lease liabilities (Note 7)	221	238
Uncertain and other income taxes and related liabilities	475	415
Other commercial liabilities	455	573
All other liabilities	$ 1,151	$ 1,226