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INCOME TAXES - CHANGES IN UNRECOGNIZED TAX BENEFITS (Details) - Potential resolution of audit issues with various U.S. federal, state and local and non-U.S. taxing authorities - USD ($) $ in Millions | Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021
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Significant Change in Unrecognized Tax Benefits is Reasonably Possible [Line Items] |  |  |
Potential resolution of audit issues with various U.S. federal, state and local and non-U.S. taxing authorities | $ 242 | $ 8 | $ 8
SDG&E |  |  |
Significant Change in Unrecognized Tax Benefits is Reasonably Possible [Line Items] |  |  |
Potential resolution of audit issues with various U.S. federal, state and local and non-U.S. taxing authorities | 6 | 6 | 6
SoCalGas |  |  |
Significant Change in Unrecognized Tax Benefits is Reasonably Possible [Line Items] |  |  |
Potential resolution of audit issues with various U.S. federal, state and local and non-U.S. taxing authorities | $ 2 | $ 2 | $ 2

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- Definition The amount of the unrecognized tax benefit of a position taken for which it is reasonably possible that the total amount thereof will significantly increase or decrease within twelve months of the balance sheet date. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 740 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 15 -Subparagraph (d) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482685/740-10-50-15 + Details
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