Consolidated Statements of Cash Flows (Parenthetical) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
(Discount), premium and issuance costs	$ 4	$ 63	$ 2
Southern California Edison Company
(Discount), premium and issuance costs	$ (6)	$ 58	$ (10)