Consolidated Statements of Changes in Equity (Parenthetical) - $ / shares	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Dividends declared per common share (in dollars per share)	$ 2.4275	$ 2.2325	$ 1.9825
Minimum | Noncontrolling interest
Preferred stock dividends (in dollars per share)	0	1.02	1.02
Preference stock dividends (in dollars per share)	62.50	62.50	62.50
Maximum | Noncontrolling interest
Preferred stock dividends (in dollars per share)	0	0	1.195
Preference stock dividends (in dollars per share)	143.75	143.75	143.75
Southern California Edison Company
Dividends declared per common share (in dollars per share)	1.32	1.81	1.61
Southern California Edison Company | Minimum | Noncontrolling interest
Preferred stock dividends (in dollars per share)	1.02	1.02	1.02
Preference stock dividends (in dollars per share)	62.50	62.50	62.50
Southern California Edison Company | Maximum | Noncontrolling interest
Preferred stock dividends (in dollars per share)	1.195	1.195	1.195
Preference stock dividends (in dollars per share)	$ 143.75	$ 143.75	$ 143.75