Commitments and Contingencies (Wildfires and Mudslides) (Details) $ in Millions	1 Months Ended
	May 31, 2022 a item individual	Sep. 30, 2020 USD ($) a item individual	Oct. 31, 2019 a individual item	Nov. 30, 2018 a item individual	Jan. 31, 2018 individual item	Dec. 04, 2017 a item individual
Coastal Fire
Commitments and Contingencies
Acres burned | a	200
Structures destroyed	20
Structures damaged	11
Number of injured firefighters | individual	2
SCE | December 2017 Wildfires
Commitments and Contingencies
Acres burned | a						280,000
Structures destroyed						1,343
Fatalities | individual						2
SCE | November 2018 Wildfires
Commitments and Contingencies
Acres burned | a				100,000
Structures destroyed				1,643
Structures damaged				364
Fatalities | individual				3
Additional fatalities | individual				4
SCE | Montecito Mudslides
Commitments and Contingencies
Structures destroyed					135
Structures damaged					324
Fatalities | individual					21
Additional fatalities presumed | individual					2
SCE | Saddle Ridge Fire
Commitments and Contingencies
Acres burned | a			9,000
Structures destroyed			19
Structures damaged			88
Fatalities | individual			1
Number of injured firefighters | individual			8
SCE | Bobcat fire
Commitments and Contingencies
Acres burned | a		116,000
Number of injured firefighters | individual		6
Estimated fire suppression costs | $		$ 80
SCE | Bobcat fire | Homes
Commitments and Contingencies
Structures destroyed		87
Structures damaged		28
SCE | Bobcat fire | Commercial property
Commitments and Contingencies
Structures destroyed		1
SCE | Bobcat fire | Minor structures
Commitments and Contingencies
Structures destroyed		83
Structures damaged		19