DEBT (Accounts Receivable Financing) (Details) - Subsequent event - USD ($)	Oct. 05, 2020	Oct. 27, 2020
Line of Credit Facility [Line Items]
Program termination period	180 days
Receivables Securitization Program
Line of Credit Facility [Line Items]
Debt instrument, face amount		$ 1,000,000,000
Receivables Securitization Program | Pacific Gas & Electric Co
Line of Credit Facility [Line Items]
Percentage pledged of equity interests	100.00%
Aggregate maximum amount of loans made by lenders	$ 1,000,000,000