Consolidated Balance Sheets (Parenthetical) - USD ($) $ in Millions	Mar. 31, 2021	Dec. 31, 2020
Receivables, allowances for uncollectible accounts	$ 226	$ 188
Utility property, plant and equipment, accumulated depreciation	10,827	10,681
Nonutility property, plant and equipment, accumulated depreciation	$ 96	$ 94
Preferred stock, shares authorized	50,000,000
Preferred stock, shares issued	1,250,000
Preferred stock, shares outstanding	1,250,000
Common stock, no par value (in dollars per share)	$ 0	$ 0
Common stock, shares authorized	800,000,000	800,000,000
Common stock, shares issued	379,433,168	378,907,147
Common stock, shares outstanding	379,433,168	378,907,147
SCE
Receivables, allowances for uncollectible accounts	$ 226	$ 188
Utility property, plant and equipment, accumulated depreciation	10,827	10,681
Nonutility property, plant and equipment, accumulated depreciation	$ 88	$ 86
Common stock, no par value (in dollars per share)	$ 0	$ 0
Common stock, shares authorized	560,000,000	560,000,000
Common stock, shares issued	434,888,104	434,888,104
Common stock, shares outstanding	434,888,104	434,888,104