FINANCIAL INSTRUMENTS - Derivatives and Hedging, Narrative (Details) - USD ($)	Jun. 30, 2020	Dec. 31, 2019
Derivative [Line Items]
Total gross notional amount	$ 89,801,000,000	$ 98,018,000,000
Excess cash collateral received	104,000,000	104,000,000
Excess cash collateral posted	998,000,000	603,000,000
Excess securities collateral received	37,000,000	27,000,000
GE
Derivative [Line Items]
Total gross notional amount	45,041,000,000	42,314,000,000
GE Capital
Derivative [Line Items]
Total gross notional amount	$ 44,760,000,000	$ 55,704,000,000