Consolidated Statements of Income - USD ($) shares in Millions, $ in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Total operating revenue	$ 14,905	$ 13,578	$ 12,347
Purchased power and fuel	5,540	4,932	4,839
Operation and maintenance	3,645	3,609	3,018
Wildfire-related claims, net of insurance recoveries	1,276	1,328	255
Wildfire Insurance Fund expense	215	336	152
Depreciation and amortization	2,218	1,967	1,730
Property and other taxes	465	438	399
Impairment and other expense (income)	71	(116)	184
Gain on sale of lease interest and other operating income	(2)	(133)	(5)
Total operating expenses	13,428	12,361	10,572
Operating income	1,477	1,217	1,775
Interest expense	(925)	(902)	(841)
Other income	237	251	193
Income before income taxes	789	566	1,127
Income tax expense (benefit)	(136)	(305)	(278)
Net income	925	871	1,405
Preferred stock dividend requirement of Edison International	60
Net income available to common shareholders	$ 759	$ 739	$ 1,284
Basic earnings per share:
Weighted average shares of common stock outstanding	380	373	340
Basic earnings per common share attributable to Edison International common shareholders	$ 2.00	$ 1.98	$ 3.78
Diluted earnings per share:
Weighted average shares of common stock outstanding, including effect of dilutive securities	380	374	341
Diluted earnings per common share attributable to Edison International common shareholders	$ 2.00	$ 1.98	$ 3.77
SCE
Total operating revenue	$ 14,874	$ 13,546	$ 12,306
Purchased power and fuel	5,540	4,932	4,839
Operation and maintenance	3,588	3,523	2,936
Wildfire-related claims, net of insurance recoveries	1,276	1,328	255
Wildfire Insurance Fund expense	215	336	152
Depreciation and amortization	2,216	1,965	1,728
Property and other taxes	462	435	396
Impairment and other expense (income)	69	(150)	159
Other operating income	(2)	(1)	(4)
Total operating expenses	13,364	12,368	10,461
Operating income	1,510	1,178	1,845
Interest expense	(791)	(768)	(739)
Other income	233	255	195
Income before income taxes	952	665	1,301
Income tax expense (benefit)	17	(277)	(229)
Net income	935	942	1,530
Preferred stock dividend requirement of Edison International	106	132	121
Net income available to common shareholders	$ 829	$ 810	$ 1,409