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INCOME TAXES (Details) - USD ($)
$ in Millions
3 Months Ended 12 Months Ended
Mar. 31, 2020
Mar. 31, 2019
Dec. 31, 2019
Income Tax Contingency [Line Items]      
Effective income tax rate 1.00% 12.50%  
Outside U.S. tax rate lower than 21.00%    
Tax associated with preparatory steps for the transaction     $ 633
GE Capital | Foreign Tax Authority | Her Majesty's Revenue and Customs (HMRC)      
Income Tax Contingency [Line Items]      
Potential impact on disallowance of interest deductions     $ 1,000