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REGULATORY ASSETS, LIABILITIES, AND BALANCING ACCOUNTS (Long-Term Regulatory Liabilities) (Details) - USD ($) $ in Millions | 3 Months Ended |  |
--- | --- | --- | ---
Mar. 31, 2023 | Dec. 31, 2022 | Jun. 30, 2022
Regulatory Liabilities [Line Items] |  |  |
Total long-term regulatory liabilities | $ 18,119 | $ 17,630 |
Proceeds received from sale of transmission tower wireless licenses, to be refunded to customers | 426 |  |
Authorized amount of shareholder tax benefits to be returned | 7,590 |  |
Federal Energy Regulatory Commission |  |  |
Regulatory Liabilities [Line Items] |  |  |
Proceeds received from sale of transmission tower wireless licenses, to be refunded to customers | 298 |  |
California Public Utilities Commission |  |  |
Regulatory Liabilities [Line Items] |  |  |
Proceeds received from sale of transmission tower wireless licenses, to be refunded to customers | 128 |  |
Cost of removal obligations |  |  |
Regulatory Liabilities [Line Items] |  |  |
Total long-term regulatory liabilities | 7,918 | 7,773 |
Public purpose programs |  |  |
Regulatory Liabilities [Line Items] |  |  |
Total long-term regulatory liabilities | 1,157 | 1,062 |
Employee benefit plans |  |  |
Regulatory Liabilities [Line Items] |  |  |
Total long-term regulatory liabilities | 911 | 904 |
Transmission tower wireless licenses |  |  |
Regulatory Liabilities [Line Items] |  |  |
Total long-term regulatory liabilities | 426 | 430 |
SFGO sale |  |  |
Regulatory Liabilities [Line Items] |  |  |
Total long-term regulatory liabilities | 244 | 264 |
SB 901 Securitization |  |  |
Regulatory Liabilities [Line Items] |  |  |
Total long-term regulatory liabilities | 5,937 | 5,800 | $ 5,540
Other |  |  |
Regulatory Liabilities [Line Items] |  |  |
Total long-term regulatory liabilities | $ 1,526 | $ 1,397 |

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- Definition The amount for the individual regulatory noncurrent liability as itemized in a table of regulatory noncurrent liabilities as of the end of the period. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.24) -URI https://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 + Details
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