Consolidated Statements of Changes in Equity - USD ($) $ in Millions	Total	SCE	Preferred Stock	Preferred Stock SCE	Common Stock	Common Stock SCE	Additional Paid-in Capital SCE	Accumulated Other Comprehensive Loss	Accumulated Other Comprehensive Loss SCE	Retained Earnings	Retained Earnings SCE	Subtotal	Noncontrolling Interests
Beginning balance at Dec. 31, 2021	$ 17,789	$ 19,835	$ 1,977	$ 1,945	$ 6,071	$ 2,168	$ 7,033	$ (54)	$ (32)	$ 7,894	$ 8,721	$ 15,888	$ 1,901
Increase (decrease) in Stockholders' Equity
Net income	824	954								717	954	717	107
Other comprehensive income (loss)	43	24						43	24			43
Capital contribution from Edison International Parent		1,400					1,400
Common stock issued	87				87							87
Common stock dividends declared	(1,083)	(1,325)								(1,083)	(1,325)	(1,083)
Preferred stock dividend declared	(74)	(107)								(74)	(107)	(74)
Dividends to noncontrolling interests	(107)												(107)
Noncash stock-based compensation	42	22			42		22					42
Other	1		(1)									1
Stock-based compensation		(14)					(14)
Ending balance at Dec. 31, 2022	17,522	20,789	1,978	1,945	6,200	2,168	8,441	(11)	(8)	7,454	8,243	15,621	1,901
Increase (decrease) in Stockholders' Equity
Net income	1,407	1,597								1,284	1,597	1,284	123
Other comprehensive income (loss)	2	(4)						2	(4)			2
Common stock issued	92				92							92
Common stock dividends declared	(1,147)	(1,410)								(1,147)	(1,410)	(1,147)
Preferred stock dividend declared	(108)	(123)								(108)	(123)	(108)
Dividends to noncontrolling interests	(123)												(123)
Noncash stock-based compensation	46	26			46		26					46
Preference stock issued, net of issuance cost	542	542		550			(8)						542
Preferred stock repurchased	(289)		(305)							16		(289)
Stock-based compensation		(13)					(13)
Ending balance at Dec. 31, 2023	17,944	21,404	1,673	2,495	6,338	2,168	8,446	(9)	(12)	7,499	8,307	15,501	2,443
Increase (decrease) in Stockholders' Equity
Net income	1,546	1,794								1,371	1,794	1,371	175
Other comprehensive income (loss)	9	3						9	3			9
Capital contribution from Edison International Parent		500					500
Common stock issued	158				158							158
Common stock repurchased	200				200							200
Common stock dividends declared	(1,221)	(1,510)								(1,221)	(1,510)	(1,221)
Preferred stock dividend declared	(88)	(154)								(88)	(154)	(88)
Dividends to noncontrolling interests	(154)									6		6	(160)
Noncash stock-based compensation	57	32			57		32					57
Preference stock issued, net of issuance cost	345	345		350			(5)						345
Preference stock redeemed	(628)	(628)		(625)			12			(15)			(628)
Preferred stock repurchased	(28)		(28)							0		(28)
Stock-based compensation		(35)					(35)
Ending balance at Dec. 31, 2024	$ 17,740	$ 21,751	$ 1,645	$ 2,220	$ 6,353	$ 2,168	$ 8,950	$ 0	$ (9)	$ 7,567	$ 8,422	$ 15,565	$ 2,175