Condensed Consolidated Statements of Income - USD ($) shares in Millions, $ in Millions	3 Months Ended
	Mar. 31, 2025	Mar. 31, 2024
Income Statement [Abstract]
Operating revenue	$ 3,811	$ 4,078
Purchased power and fuel	1,047	1,008
Operation and maintenance	983	1,317
Wildfire-related claims, net of (recoveries)	(1,305)	615
Wildfire Insurance Fund expense	36	36
Depreciation and amortization	742	702
Property and other taxes	166	155
Impairment	8	0
Total operating expenses	1,677	3,833
Operating income	2,134	245
Interest expense	(301)	(444)
Other income, net	107	138
Income (loss) before income taxes	1,940	(61)
Income tax expense (benefit)	448	(113)
Net income	1,492	52
Less: Preference stock dividend requirements of SCE	34	41
Preferred stock dividend requirements of Edison International	22	22
Net income (loss)	$ 1,436	$ (11)
Basic earnings per share:
Weighted average shares of common stock outstanding	385	385
Basic earnings (loss) per common share available to Edison International common shareholders	$ 3.73	$ (0.03)
Diluted earnings per share:
Weighted average shares of common stock outstanding, including effect of dilutive securities	386	385
Diluted earnings (loss) per common share available to Edison International common shareholders	$ 3.72	$ (0.03)