CURRENT AND LONG-TERM RECEIVABLES - Sales of GE Industrial Current Customer Receivables (Details) - GE Industrial - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019
Current Receivables | GE Capital
Accounts, Notes, Loans and Financing Receivable [Line Items]
Balance at beginning of period	$ 3,087	$ 4,386
GE sales	32,869	40,988
GE Capital sales to third parties	(18,654)	(28,073)
Collections and other	(14,004)	(14,621)
Reclassification from long-term customer receivables	321	407
Balance at end of period	3,618	3,087
Current Receivables | Third Parties
Accounts, Notes, Loans and Financing Receivable [Line Items]
Balance at beginning of period	6,757	7,880
GE sales	863	5,286
GE Capital sales to third parties	18,654	28,073
Collections and other	(23,283)	(34,482)
Reclassification from long-term customer receivables	0	0
Balance at end of period	2,992	6,757
Current Receivables with Recourse | GE Capital
Accounts, Notes, Loans and Financing Receivable [Line Items]
Balance at beginning of period	539
Balance at end of period	$ 505	$ 539