Commitments and Contingencies - 2020 Bobcat Fire (Details) - Bobcat fire - SCE $ in Millions	1 Months Ended
	Sep. 30, 2020 USD ($) a item individual
Commitments and Contingencies
Acres burned | a	116,000
Number of Injured | individual	6
Estimated fire suppression costs | $	$ 80
Home/Residential
Commitments and Contingencies
Structures destroyed	87
Structures damaged	28
Commercial property
Commitments and Contingencies
Structures destroyed	1
Minor structures
Commitments and Contingencies
Structures destroyed	83
Structures damaged	19