Consolidated Statements of Cash Flows (Parenthetical) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Discounts and issuance costs of long term debt	$ 7	$ 17	$ 6
Southern California Edison Company
Discounts and issuance costs of long term debt		$ 17	$ 2