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SB 901 SECURITIZATION AND CUSTOMER CREDIT TRUST (Tables)
 9 Months Ended
Sep. 30, 2025
Debt Disclosure [Abstract]  
Schedule of Financial Statement Impact of Securitization
The following tables illustrate the changes in the SB 901 securitization’s impact on the Utility’s regulatory assets and liabilities:
SB 901 securitization regulatory asset
(in millions)
20252024
Balance at January 1
$5,194 $5,249 
Amortization
(77)(48)
Balance at September 30
$5,117 $5,201 

SB 901 securitization regulatory liability
(in millions)
20252024
Balance at January 1$(6,295)$(6,628)
Amortization
303289
Additions(1)
(111)(53)
Balance at September 30
$(6,103)$(6,392)
(1) Includes $76 million and $20 million of returns on investments in the customer credit trust expected to be credited to customers for the nine months ended September 30, 2025 and 2024, respectively.