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SB 901 SECURITIZATION AND CUSTOMER CREDIT TRUST (Tables)
3 Months Ended
Mar. 31, 2024
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)
20242023
Balance at January 1
$5,249 $5,378 
Amortization
(2)(49)
Balance at March 31
$5,247 $5,329 

SB 901 securitization regulatory liability
(in millions)
20242023
Balance at January 1$(6,628)$(5,800)
Amortization
82 136
Additions(1)
(4)(273)
Balance at March 31
$(6,550)$(5,937)
(1) Includes $4 million and $0 million of expected returns on investments in the customer credit trust to be credited to customers for the three months ended March 31, 2024 and March 31, 2023, respectively.