CURRENT AND LONG-TERM RECEIVABLES - Schedule of Current Receivables (Details) - USD ($) $ in Millions	3 Months Ended	12 Months Ended
	Mar. 31, 2021	Dec. 31, 2020
Accounts, Notes, Loans and Financing Receivable [Line Items]
Customer receivables	$ 12,441	$ 13,459
Sundry receivables	4,106	4,395
Allowance for credit losses	(1,165)	(1,164)
Total current receivables	15,381	16,691
Increase in allowance for credit losses	39
GE Capital
Accounts, Notes, Loans and Financing Receivable [Line Items]
DPP balance	461	413
GE Industrial
Accounts, Notes, Loans and Financing Receivable [Line Items]
Customer receivables	9,307	9,841
Sundry receivables	4,274	4,763
Allowance for credit losses	(1,163)	(1,161)
Total current receivables	$ 12,418	$ 13,442