Consolidated Statements of Changes in Equity (Parenthetical) - $ / shares	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Dividends declared per common share (in dollars per share)	$ 2.5750	$ 2.4750	$ 2.4275
Noncontrolling interest | Minimum
Preferred stock dividends (in dollars per share)	0.757	1.020	1.020
Preference stock dividends (in dollars per share)	62.500	62.500	62.500
Noncontrolling interest | Maximum
Preferred stock dividends (in dollars per share)	0.886	1.195	1.195
Preference stock dividends (in dollars per share)	143.750	143.750	143.750
SCE
Dividends declared per common share (in dollars per share)	2.6030	1.3797	1.3245
SCE | Noncontrolling interest | Minimum
Preferred stock dividends (in dollars per share)	0.757	1.020	1.020
Preference stock dividends (in dollars per share)	62.500	62.500	62.500
SCE | Noncontrolling interest | Maximum
Preferred stock dividends (in dollars per share)	0.886	1.195	1.195
Preference stock dividends (in dollars per share)	$ 143.750	$ 143.750	$ 143.750