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SB 901 SECURITIZATION AND CUSTOMER CREDIT TRUST (Financial Statement Impact) (Details) - USD ($) $ in Millions | Jun. 30, 2022 | Dec. 31, 2021
--- | --- | ---
Debt [Line Items] |  |
Regulatory assets | $ 15,215 | $ 9,207
Regulatory liabilities | (16,946) | $ (11,999)
SB 901 securitization charges, net | (40) |
SB 901 Securitization Inception |  |
Debt [Line Items] |  |
Regulatory liabilities | (5,540) |
SB 901 Securitization Inception |  |
Debt [Line Items] |  |
Regulatory assets | $ 5,500 |

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