Consolidated Statements of Income - USD ($) shares in Millions, $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Total operating revenue	$ 4,644	$ 3,741	$ 10,421	$ 9,377
Purchased power and fuel	1,817	1,708	3,813	3,848
Operation and maintenance	1,248	774	2,885	2,251
Wildfire-related claims, net of insurance recoveries	1,297	0	1,303	0
Wildfire Insurance Fund expense	85	67	252	67
Depreciation and amortization	490	459	1,463	1,260
Property and other taxes	114	99	328	302
Impairment and other	(28)	0	(46)	166
Other operating income	0	(2)	0	(5)
Total operating expenses	5,023	3,105	9,998	7,889
Operating (loss) income	(379)	636	423	1,488
Interest expense	(222)	(214)	(676)	(619)
Other income	84	58	217	151
(Loss) income before income taxes	(517)	480	(36)	1,020
Income tax benefit	(275)	(22)	(355)	(212)
Net (loss) income	(242)	502	319	1,232
Preferred and preference stock dividend requirements of SCE	46	31	106	91
Net (loss) income attributable to Edison International common shareholders	(288)	471	213	1,141
Net (loss) income available for common stock	$ (288)	$ 471	$ 213	$ 1,141
Basic (loss) earnings per share:
Weighted average common shares outstanding (in shares)	378	347	371	333
Basic (loss) earnings per common share attributable to Edison International common shareholders (in dollars per share)	$ (0.76)	$ 1.36	$ 0.57	$ 3.43
Diluted (loss) earnings per share:
Weighted-average shares of common stock outstanding, including effect of dilutive securities (in shares)	378	349	372	334
Diluted (loss) earnings per common share attributable to Edison International common shareholders (in dollars per share)	$ (0.76)	$ 1.35	$ 0.57	$ 3.42
Southern California Edison
Total operating revenue	$ 4,635	$ 3,732	$ 10,395	$ 9,348
Purchased power and fuel	1,817	1,708	3,813	3,848
Operation and maintenance	1,226	752	2,820	2,192
Wildfire-related claims, net of insurance recoveries	1,297	0	1,303	0
Wildfire Insurance Fund expense	85	67	252	67
Depreciation and amortization	489	459	1,461	1,259
Property and other taxes	113	98	326	300
Impairment and other	(28)	0	(80)	166
Other operating income	0	(1)	0	(4)
Total operating expenses	4,999	3,083	9,895	7,828
Operating (loss) income	(364)	649	500	1,520
Interest expense	(188)	(183)	(575)	(549)
Other income	83	58	217	152
(Loss) income before income taxes	(469)	524	142	1,123
Income tax benefit	(251)	(10)	(300)	(183)
Net (loss) income	(218)	534	442	1,306
Preferred and preference stock dividend requirements of SCE	46	31	106	91
Net (loss) income available for common stock	$ (264)	$ 503	$ 336	$ 1,215