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OTHER CONTINGENCIES AND COMMITMENTS (Tables)
 9 Months Ended
Sep. 30, 2022
Commitments and Contingencies Disclosure [Abstract]  
Schedule of Environmental Remediation Liability The Utility’s environmental remediation liability is primarily included in non-current liabilities on the Condensed Consolidated Balance Sheets and is comprised of the following:
 Balance at
(in millions)September 30, 2022December 31, 2021
Topock natural gas compressor station$286 $299 
Hinkley natural gas compressor station113 123 
Former MGP sites owned by the Utility or third parties (1)
792 667 
Utility-owned generation facilities (other than fossil fuel-fired), other facilities, and third-party disposal sites (2)
112 104 
Fossil fuel-fired generation facilities and sites (3)
32 70 
Total environmental remediation liability$1,335 $1,263 
(1) Primarily driven by the following sites: San Francisco Beach Street, Vallejo, Napa, and San Francisco East Harbor.
(2) Primarily driven by geothermal landfill and Shell Pond site.
(3) Primarily driven by the San Francisco Potrero Power Plant.