Consolidated Statements of Income - USD ($) shares in Millions, $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Total operating revenue	$ 5,299	$ 4,644	$ 11,574	$ 10,421
Purchased power and fuel	2,088	1,817	4,384	3,813
Operation and maintenance	1,222	1,248	2,817	2,885
Wildfire-related claims, net of insurance recoveries	1,273	1,297	1,276	1,303
Wildfire Insurance Fund expense	54	85	161	252
Depreciation and amortization	599	490	1,657	1,463
Property and other taxes	113	114	356	328
Impairment and other expense (income)	78	(28)	67	(46)
Total operating expenses	5,427	5,023	10,718	9,998
Operating (loss) income	(128)	(379)	856	423
Interest expense	(245)	(222)	(694)	(676)
Other income	47	84	195	217
(Loss) income before income taxes	(326)	(517)	357	(36)
Income tax expense (benefit)	(29)	(275)	3	(355)
Net (loss) income	(297)	(242)	354	319
Preferred and preference stock dividend requirements of SCE	27	46	80	106
Preferred stock dividend requirement of Edison International	17		38
Net (loss) income available for common shareholders	$ (341)	$ (288)	$ 236	$ 213
Basic (loss) earnings per share:
Weighted average shares of common stock outstanding	380	378	380	371
Basic (loss) earnings per common share attributable to Edison International common shareholders	$ (0.90)	$ (0.76)	$ 0.62	$ 0.57
Diluted (loss) earnings per share:
Weighted average shares of common stock outstanding, including effect of dilutive securities	380	378	380	372
Diluted (loss) earnings per common share attributable to Edison International common shareholders	$ (0.90)	$ (0.76)	$ 0.62	$ 0.57
SCE
Total operating revenue	$ 5,293	$ 4,635	$ 11,552	$ 10,395
Purchased power and fuel	2,088	1,817	4,384	3,813
Operation and maintenance	1,200	1,226	2,759	2,820
Wildfire-related claims, net of insurance recoveries	1,273	1,297	1,276	1,303
Wildfire Insurance Fund expense	54	85	161	252
Depreciation and amortization	598	489	1,655	1,461
Property and other taxes	111	113	353	326
Impairment and other expense (income)	79	(28)	68	(80)
Total operating expenses	5,403	4,999	10,656	9,895
Operating (loss) income	(110)	(364)	896	500
Interest expense	(211)	(188)	(593)	(575)
Other income	53	83	189	217
(Loss) income before income taxes	(268)	(469)	492	142
Income tax expense (benefit)	(11)	(251)	41	(300)
Net (loss) income	(257)	(218)	451	442
Preferred and preference stock dividend requirements of SCE	27	46	80	106
Net (loss) income available for common shareholders	$ (284)	$ (264)	$ 371	$ 336