FINANCING RECEIVABLES AND ALLOWANCES - Financing Receivables, Net (Details) - USD ($) $ in Millions	Dec. 31, 2020	Dec. 31, 2019
Accounts, Notes, Loans and Financing Receivable [Line Items]
Current financing receivables - net	$ 1,265	$ 1,077
Non-current financing receivables - net	1,771	2,057
Financing receivables
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, net of deferred income	1,300	1,098
Allowance for losses	(36)	(21)
Current financing receivables - net	1,265	1,077
Investment in financing leases, net of deferred income	1,805	2,070
Allowance for losses	(34)	(12)
Non-current financing receivables - net	1,771	2,057
Total financing receivables – net	3,036	3,134
GE Capital | Financing receivables
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, net of deferred income	5,124	4,927
Allowance for losses	(13)	(5)
Current financing receivables - net	5,110	4,922
Investment in financing leases, net of deferred income	1,805	2,070
Allowance for losses	(34)	(12)
Non-current financing receivables - net	1,771	2,057
Total financing receivables – net	$ 6,882	$ 6,979