INCOME TAXES - Income Taxes Paid (Recovered) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Income Tax Contingency [Line Items]
Income taxes paid (recovered)	$ 1,291	$ 2,228	$ 1,868
GE Capital
Income Tax Contingency [Line Items]
Income taxes paid (recovered)	(1,108)	45	65
GE Industrial
Income Tax Contingency [Line Items]
Income taxes paid (recovered)	$ 2,399	$ 2,183	$ 1,803