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REGULATORY ASSETS, LIABILITIES, AND BALANCING ACCOUNTS (Current Regulatory Balancing Accounts, Net) (Details) - USD ($) $ in Millions | Dec. 31, 2022 | Dec. 31, 2021
--- | --- | ---
Regulatory Balancing Accounts Payable |  |
Regulatory Assets [Line Items] |  |
Total regulatory balancing accounts | $ 1,658 | $ 1,121
Regulatory Balancing Accounts Receivable |  |
Regulatory Assets [Line Items] |  |
Total regulatory balancing accounts | 3,264 | 2,999
Electric distribution | Regulatory Balancing Accounts Payable |  |
Regulatory Assets [Line Items] |  |
Total regulatory balancing accounts | 0 | 121
Electric distribution | Regulatory Balancing Accounts Receivable |  |
Regulatory Assets [Line Items] |  |
Total regulatory balancing accounts | 448 | 0
Electric transmission | Regulatory Balancing Accounts Payable |  |
Regulatory Assets [Line Items] |  |
Total regulatory balancing accounts | 228 | 24
Gas distribution and transmission | Regulatory Balancing Accounts Payable |  |
Regulatory Assets [Line Items] |  |
Total regulatory balancing accounts | 66 | 83
Gas distribution and transmission | Regulatory Balancing Accounts Receivable |  |
Regulatory Assets [Line Items] |  |
Total regulatory balancing accounts | 72 | 0
Energy procurement | Regulatory Balancing Accounts Payable |  |
Regulatory Assets [Line Items] |  |
Total regulatory balancing accounts | 428 | 211
Energy procurement | Regulatory Balancing Accounts Receivable |  |
Regulatory Assets [Line Items] |  |
Total regulatory balancing accounts | 684 | 310
Public purpose programs | Regulatory Balancing Accounts Payable |  |
Regulatory Assets [Line Items] |  |
Total regulatory balancing accounts | 272 | 259
Public purpose programs | Regulatory Balancing Accounts Receivable |  |
Regulatory Assets [Line Items] |  |
Total regulatory balancing accounts | 358 | 321
Fire hazard prevention memorandum account | Regulatory Balancing Accounts Receivable |  |
Regulatory Assets [Line Items] |  |
Total regulatory balancing accounts | 0 | 50
Fire risk mitigation memorandum account | Regulatory Balancing Accounts Receivable |  |
Regulatory Assets [Line Items] |  |
Total regulatory balancing accounts | 0 | 14
Wildfire mitigation plan memorandum account | Regulatory Balancing Accounts Receivable |  |
Regulatory Assets [Line Items] |  |
Total regulatory balancing accounts | 0 | 67
Wildfire mitigation balancing account | Regulatory Balancing Accounts Receivable |  |
Regulatory Assets [Line Items] |  |
Total regulatory balancing accounts | 2 | 91
General rate case memorandum accounts | Regulatory Balancing Accounts Receivable |  |
Regulatory Assets [Line Items] |  |
Total regulatory balancing accounts | 3 | 468
Vegetation management balancing account | Regulatory Balancing Accounts Receivable |  |
Regulatory Assets [Line Items] |  |
Total regulatory balancing accounts | 137 | 127
Insurance premium costs | Regulatory Balancing Accounts Receivable |  |
Regulatory Assets [Line Items] |  |
Total regulatory balancing accounts | 602 | 605
Wildfire expense memorandum account | Regulatory Balancing Accounts Receivable |  |
Regulatory Assets [Line Items] |  |
Total regulatory balancing accounts | 0 | 440
Residential uncollectibles balancing accounts | Regulatory Balancing Accounts Receivable |  |
Regulatory Assets [Line Items] |  |
Total regulatory balancing accounts | 126 | 127
Nuclear decommissioning adjustment mechanism | Regulatory Balancing Accounts Payable |  |
Regulatory Assets [Line Items] |  |
Total regulatory balancing accounts | 8 | 137
Catastrophic event memorandum account | Regulatory Balancing Accounts Receivable |  |
Regulatory Assets [Line Items] |  |
Total regulatory balancing accounts | 144 | 0
SFGO sale | Regulatory Balancing Accounts Payable |  |
Regulatory Assets [Line Items] |  |
Total regulatory balancing accounts | 152 | 21
Other | Regulatory Balancing Accounts Payable |  |
Regulatory Assets [Line Items] |  |
Total regulatory balancing accounts | 504 | 265
Other | Regulatory Balancing Accounts Receivable |  |
Regulatory Assets [Line Items] |  |
Total regulatory balancing accounts | $ 688 | $ 379

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- Definition The utilities current regulatory balancing accounts represent the amounts expected to be received from or refunded to the utilities customers through authorized rate adjustments within the next 12 months. + References No definition available. + Details
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