Consolidated Balance Sheets (Parenthetical) - USD ($) $ in Millions	Dec. 31, 2020	Dec. 31, 2019
Receivables, allowances for uncollectible accounts	$ 188	$ 50
Utility property, plant and equipment, accumulated depreciation	10,681	9,958
Nonutility property, plant and equipment, accumulated depreciation	$ 94	$ 86
Common stock, no par value (in dollars per share)	$ 0	$ 0
Common stock, shares authorized (in shares)	800,000,000	800,000,000
Common stock, shares issued (in shares)	378,907,147	361,985,133
Common stock, shares outstanding (in shares)	378,907,147	361,985,133
SCE
Receivables, allowances for uncollectible accounts	$ 188	$ 49
Utility property, plant and equipment, accumulated depreciation	10,681	9,958
Nonutility property, plant and equipment, accumulated depreciation	$ 86	$ 80
Common stock, no par value (in dollars per share)	$ 0	$ 0
Common stock, shares authorized (in shares)	560,000,000	560,000,000
Common stock, shares issued (in shares)	434,888,104	434,888,104
Common stock, shares outstanding (in shares)	434,888,104	434,888,104