Income Taxes (Tables)

3 Months Ended

Mar. 31, 2025

Income Tax Disclosure [Abstract]

Summary of reconciliation of income tax expense

The table below provides a reconciliation of income tax expense computed at the federal statutory income tax rate to the income tax provision:

	Three months ended March 31,
(in millions)	2025			2024
Edison International:
Income (loss) from operations before income taxes	$	1,940		$	(61)
Provision for income tax at federal statutory rate of 21%	407			(13)
Increase (decrease) in income tax from:
State tax, net of federal tax effect	109			(37)
Property-related	(58)			(55)
Other	(10)			(8)
Total income tax expense (benefit)	$	448		$	(113)
Effective tax rate	23.1		%	185.2		%
SCE:
Income from operations before income taxes	$	2,089		$	22
Provision for income tax at federal statutory rate of 21%	439			5
Increase (decrease) in income tax from:
State tax, net of federal tax effect	117			(31)
Property-related	(58)			(55)
Other	(10)			(3)
Total income tax expense (benefit)	$	488		$	(84)
Effective tax rate	23.3		%	(381.8)		%