CURRENT RECEIVABLES - Sales of GE Current Receivables, Narrative (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018	Dec. 31, 2018
Accounts, Notes, Loans and Financing Receivable [Line Items]
Current receivables	$ 20,578		$ 20,481
GE Excluding BHGE
Accounts, Notes, Loans and Financing Receivable [Line Items]
Percentage of receivables sold	65.00%	70.00%
Purchasing Entities
Accounts, Notes, Loans and Financing Receivable [Line Items]
Proceeds from previously sold current receivables	$ 5,232	$ 5,315
Purchase of newly originated current receivables	5,071	4,251
Collections to purchase newly originated current receivables	4,253	3,531
GE Capital
Accounts, Notes, Loans and Financing Receivable [Line Items]
Additional non-cash DPP received	44	1,139
Cash payments received on DPP	$ 61	$ 1,120
GE
Accounts, Notes, Loans and Financing Receivable [Line Items]
Percentage of receivables sold	50.00%	57.00%
Current receivables	$ 16,990		$ 16,092
GE | GE Capital
Accounts, Notes, Loans and Financing Receivable [Line Items]
Percentage of receivables with partial or full recourse	35.00%	41.00%
GE sales	$ 9,403	$ 12,135
Affiliated Entity | Receivables Facilities
Accounts, Notes, Loans and Financing Receivable [Line Items]
GE sales	$ 5,093	$ 5,208