BORROWINGS - Schedule of Borrowings (Details) - USD ($) $ in Millions	6 Months Ended	12 Months Ended
Jun. 30, 2018	Dec. 31, 2017
Debt Instrument [Line Items]
Total borrowings	$ 115,573	$ 134,591
Short-term borrowings
Short-term borrowings	14,419	24,036
Eliminations	(4,766)	(10,114)
Long-term borrowings
Borrowings	99,832	108,575
Eliminations	(27,050)	(32,079)
Long-term assumed debt	$ 34,750	38,804
Weighted average interest rate	3.60%
Weighted average term of intercompany loans	15 years
Non-recourse borrowings of consolidated securitization entities (Note 11)	$ 1,322	1,980
Current portion of long-term borrowings
Long-term borrowings
Non-recourse borrowings of consolidated securitization entities (Note 11)	361	621
GE
Short-term borrowings
Short-term borrowings	8,319	14,548
Long-term borrowings
Borrowings	62,640	67,040
GE \| Senior notes
Long-term borrowings
Borrowings	58,460	62,724
GE \| Subordinated notes
Long-term borrowings
Borrowings	2,897	2,913
GE \| Other
Long-term borrowings
Borrowings	1,283	1,403
GE \| Commercial paper
Short-term borrowings
Short-term borrowings	3,010	3,000
GE \| Current portion of long-term borrowings
Short-term borrowings
Short-term borrowings	3,125	9,452
GE \| Other
Short-term borrowings
Short-term borrowings	2,183	2,095
GE Capital
Short-term borrowings
Short-term borrowings	10,866	19,602
Long-term borrowings
Borrowings	64,241	73,614
GE Capital \| Current portion of long-term borrowings/Short-term borrowings
Debt Instrument [Line Items]
Funding secured by aircraft and other collateral	260	348
GE Capital \| Non-recourse debt
Debt Instrument [Line Items]
Funding secured by aircraft and other collateral	320	458
GE Capital \| Intercompany payable to GE
Long-term borrowings
Long-term intercompany loans	8,190	7,271
GE Capital \| Senior notes
Long-term borrowings
Borrowings	36,519	40,754
GE Capital \| Subordinated notes
Long-term borrowings
Borrowings	175	208
GE Capital \| Other
Debt Instrument [Line Items]
Funding secured by aircraft and other collateral	988	1,118
Long-term borrowings
Borrowings	988	1,118
GE Capital \| Intercompany payable to GE
Long-term borrowings
Borrowings	26,560	31,533
GE Capital \| Non-recourse borrowings of consolidated securitization entities
Long-term borrowings
Borrowings	1,322	1,980
GE Capital \| Commercial paper
Short-term borrowings
Short-term borrowings	3,018	5,013
GE Capital \| Current portion of long-term borrowings
Short-term borrowings
Short-term borrowings	4,408	5,781
GE Capital \| Intercompany payable to GE
Short-term borrowings
Short-term borrowings	2,749	8,310
GE Capital \| Other
Short-term borrowings
Short-term borrowings	691	497
BHGE
Long-term borrowings
Borrowings	6,446	7,225
BHGE \| Senior notes
Long-term borrowings
Borrowings	$ 6,191	$ 6,206

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