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FAIR VALUE MEASUREMENTS - RECURRING FAIR VALUE MEASURES (Details) - Fair Value, Recurring - USD ($) $ in Millions | Dec. 31, 2023 | Dec. 31, 2022
--- | --- | ---
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Total nuclear decommissioning trusts | $ 879 | $ 845
Short-term investments held in Rabbi Trust | 67 | 55
Support Agreement, net of related guarantee fees | 23 | 17
Assets fair value disclosure, total | 1,168 | 1,871
Liabilities fair value disclosure, total | 226 | 374
Short-term investments, primarily cash equivalents |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Total nuclear decommissioning trusts | 21 | 11
Equity securities |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Total nuclear decommissioning trusts | 312 | 297
Debt securities issued by the U.S. Treasury and other U.S. government corporations and agencies |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Total nuclear decommissioning trusts | 51 | 40
Municipal bonds |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Total nuclear decommissioning trusts | 275 | 270
Other securities |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Total nuclear decommissioning trusts | 220 | 227
Total debt securities |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Total nuclear decommissioning trusts | 546 | 537
Interest rate instruments |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Derivative asset | 87 | 76
Foreign exchange instruments |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Derivative liability | 9 | 8
Interest rate and foreign exchange instruments |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Derivative liability |  | 105
Commodity contracts not subject to rate recovery |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Derivative asset | 5 | 273
Effect of netting and allocation of collateral | 74 | 451
Derivative liability | 6 | 191
Commodity contracts subject to rate recovery |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Derivative asset | 11 | 136
Effect of netting and allocation of collateral | 22 | 18
Derivative liability | 230 | 70
Effect of netting and allocation of collateral | (19) |
Level 1 |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Total nuclear decommissioning trusts | 361 | 330
Short-term investments held in Rabbi Trust | 67 | 55
Support Agreement, net of related guarantee fees | 0 | 0
Assets fair value disclosure, total | 518 | 930
Liabilities fair value disclosure, total | 1 | 0
Level 1 | Short-term investments, primarily cash equivalents |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Total nuclear decommissioning trusts | 19 | 10
Level 1 | Equity securities |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Total nuclear decommissioning trusts | 308 | 293
Level 1 | Debt securities issued by the U.S. Treasury and other U.S. government corporations and agencies |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Total nuclear decommissioning trusts | 34 | 27
Level 1 | Municipal bonds |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Total nuclear decommissioning trusts | 0 | 0
Level 1 | Other securities |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Total nuclear decommissioning trusts | 0 | 0
Level 1 | Total debt securities |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Total nuclear decommissioning trusts | 34 | 27
Level 1 | Interest rate instruments |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Derivative asset | 0 | 0
Level 1 | Foreign exchange instruments |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Derivative liability | 0 | 0
Level 1 | Interest rate and foreign exchange instruments |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Derivative liability |  | 0
Level 1 | Commodity contracts not subject to rate recovery |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Derivative asset | 0 | 0
Effect of netting and allocation of collateral | 74 | 451
Derivative liability | 0 | 0
Level 1 | Commodity contracts subject to rate recovery |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Derivative asset | 0 | 82
Effect of netting and allocation of collateral | 16 | 12
Derivative liability | 20 | 0
Effect of netting and allocation of collateral | (19) |
Level 2 |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Total nuclear decommissioning trusts | 518 | 515
Short-term investments held in Rabbi Trust | 0 | 0
Support Agreement, net of related guarantee fees | 0 | 0
Assets fair value disclosure, total | 611 | 883
Liabilities fair value disclosure, total | 225 | 374
Level 2 | Short-term investments, primarily cash equivalents |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Total nuclear decommissioning trusts | 2 | 1
Level 2 | Equity securities |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Total nuclear decommissioning trusts | 4 | 4
Level 2 | Debt securities issued by the U.S. Treasury and other U.S. government corporations and agencies |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Total nuclear decommissioning trusts | 17 | 13
Level 2 | Municipal bonds |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Total nuclear decommissioning trusts | 275 | 270
Level 2 | Other securities |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Total nuclear decommissioning trusts | 220 | 227
Level 2 | Total debt securities |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Total nuclear decommissioning trusts | 512 | 510
Level 2 | Interest rate instruments |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Derivative asset | 87 | 76
Level 2 | Foreign exchange instruments |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Derivative liability | 9 | 8
Level 2 | Interest rate and foreign exchange instruments |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Derivative liability |  | 105
Level 2 | Commodity contracts not subject to rate recovery |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Derivative asset | 5 | 273
Effect of netting and allocation of collateral | 0 | 0
Derivative liability | 6 | 191
Level 2 | Commodity contracts subject to rate recovery |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Derivative asset | 1 | 19
Effect of netting and allocation of collateral | 0 | 0
Derivative liability | 210 | 70
Effect of netting and allocation of collateral | 0 |
Level 3 |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Total nuclear decommissioning trusts | 0 | 0
Short-term investments held in Rabbi Trust | 0 | 0
Support Agreement, net of related guarantee fees | 23 | 17
Assets fair value disclosure, total | 39 | 58
Liabilities fair value disclosure, total | 0 | 0
Level 3 | Short-term investments, primarily cash equivalents |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Total nuclear decommissioning trusts | 0 | 0
Level 3 | Equity securities |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Total nuclear decommissioning trusts | 0 | 0
Level 3 | Debt securities issued by the U.S. Treasury and other U.S. government corporations and agencies |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Total nuclear decommissioning trusts | 0 | 0
Level 3 | Municipal bonds |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Total nuclear decommissioning trusts | 0 | 0
Level 3 | Other securities |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Total nuclear decommissioning trusts | 0 | 0
Level 3 | Total debt securities |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Total nuclear decommissioning trusts | 0 | 0
Level 3 | Interest rate instruments |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Derivative asset | 0 | 0
Level 3 | Foreign exchange instruments |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Derivative liability | 0 | 0
Level 3 | Interest rate and foreign exchange instruments |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Derivative liability |  | 0
Level 3 | Commodity contracts not subject to rate recovery |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Derivative asset | 0 | 0
Effect of netting and allocation of collateral | 0 | 0
Derivative liability | 0 | 0
Level 3 | Commodity contracts subject to rate recovery |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Derivative asset | 10 | 35
Effect of netting and allocation of collateral | 6 | 6
Derivative liability | 0 | 0
Effect of netting and allocation of collateral | 0 |
SDG&E |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Total nuclear decommissioning trusts | 879 | 845
Assets fair value disclosure, total | 910 | 982
Liabilities fair value disclosure, total | 1 | 1
SDG&E | Short-term investments, primarily cash equivalents |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Total nuclear decommissioning trusts | 21 | 11
SDG&E | Equity securities |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Total nuclear decommissioning trusts | 312 | 297
SDG&E | Debt securities issued by the U.S. Treasury and other U.S. government corporations and agencies |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Total nuclear decommissioning trusts | 51 | 40
SDG&E | Municipal bonds |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Total nuclear decommissioning trusts | 275 | 270
SDG&E | Other securities |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Total nuclear decommissioning trusts | 220 | 227
SDG&E | Total debt securities |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Total nuclear decommissioning trusts | 546 | 537
SDG&E | Commodity contracts subject to rate recovery |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Derivative asset | 10 | 120
Effect of netting and allocation of collateral | 21 | 17
Derivative liability | 20 | 1
Effect of netting and allocation of collateral | (19) |
SDG&E | Level 1 |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Total nuclear decommissioning trusts | 361 | 330
Assets fair value disclosure, total | 376 | 423
Liabilities fair value disclosure, total | 1 | 0
SDG&E | Level 1 | Short-term investments, primarily cash equivalents |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Total nuclear decommissioning trusts | 19 | 10
SDG&E | Level 1 | Equity securities |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Total nuclear decommissioning trusts | 308 | 293
SDG&E | Level 1 | Debt securities issued by the U.S. Treasury and other U.S. government corporations and agencies |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Total nuclear decommissioning trusts | 34 | 27
SDG&E | Level 1 | Municipal bonds |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Total nuclear decommissioning trusts | 0 | 0
SDG&E | Level 1 | Other securities |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Total nuclear decommissioning trusts | 0 | 0
SDG&E | Level 1 | Total debt securities |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Total nuclear decommissioning trusts | 34 | 27
SDG&E | Level 1 | Commodity contracts subject to rate recovery |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Derivative asset | 0 | 82
Effect of netting and allocation of collateral | 15 | 11
Derivative liability | 20 | 0
Effect of netting and allocation of collateral | (19) |
SDG&E | Level 2 |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Total nuclear decommissioning trusts | 518 | 515
Assets fair value disclosure, total | 518 | 518
Liabilities fair value disclosure, total | 0 | 1
SDG&E | Level 2 | Short-term investments, primarily cash equivalents |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Total nuclear decommissioning trusts | 2 | 1
SDG&E | Level 2 | Equity securities |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Total nuclear decommissioning trusts | 4 | 4
SDG&E | Level 2 | Debt securities issued by the U.S. Treasury and other U.S. government corporations and agencies |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Total nuclear decommissioning trusts | 17 | 13
SDG&E | Level 2 | Municipal bonds |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Total nuclear decommissioning trusts | 275 | 270
SDG&E | Level 2 | Other securities |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Total nuclear decommissioning trusts | 220 | 227
SDG&E | Level 2 | Total debt securities |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Total nuclear decommissioning trusts | 512 | 510
SDG&E | Level 2 | Commodity contracts subject to rate recovery |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Derivative asset | 0 | 3
Effect of netting and allocation of collateral | 0 | 0
Derivative liability | 0 | 1
Effect of netting and allocation of collateral | 0 |
SDG&E | Level 3 |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Total nuclear decommissioning trusts | 0 | 0
Assets fair value disclosure, total | 16 | 41
Liabilities fair value disclosure, total | 0 | 0
SDG&E | Level 3 | Short-term investments, primarily cash equivalents |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Total nuclear decommissioning trusts | 0 | 0
SDG&E | Level 3 | Equity securities |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Total nuclear decommissioning trusts | 0 | 0
SDG&E | Level 3 | Debt securities issued by the U.S. Treasury and other U.S. government corporations and agencies |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Total nuclear decommissioning trusts | 0 | 0
SDG&E | Level 3 | Municipal bonds |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Total nuclear decommissioning trusts | 0 | 0
SDG&E | Level 3 | Other securities |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Total nuclear decommissioning trusts | 0 | 0
SDG&E | Level 3 | Total debt securities |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Total nuclear decommissioning trusts | 0 | 0
SDG&E | Level 3 | Commodity contracts subject to rate recovery |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Derivative asset | 10 | 35
Effect of netting and allocation of collateral | 6 | 6
Derivative liability | 0 | 0
Effect of netting and allocation of collateral | 0 |
SoCalGas |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Assets fair value disclosure, total | 2 | 17
Liabilities fair value disclosure, total | 210 | 69
SoCalGas | Commodity contracts subject to rate recovery |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Derivative asset | 1 | 16
Effect of netting and allocation of collateral | 1 | 1
Derivative liability | 210 | 69
SoCalGas | Level 1 |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Assets fair value disclosure, total | 1 | 1
Liabilities fair value disclosure, total | 0 | 0
SoCalGas | Level 1 | Commodity contracts subject to rate recovery |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Derivative asset | 0 | 0
Effect of netting and allocation of collateral | 1 | 1
Derivative liability | 0 | 0
SoCalGas | Level 2 |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Assets fair value disclosure, total | 1 | 16
Liabilities fair value disclosure, total | 210 | 69
SoCalGas | Level 2 | Commodity contracts subject to rate recovery |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Derivative asset | 1 | 16
Effect of netting and allocation of collateral | 0 | 0
Derivative liability | 210 | 69
SoCalGas | Level 3 |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Assets fair value disclosure, total | 0 | 0
Liabilities fair value disclosure, total | 0 | 0
SoCalGas | Level 3 | Commodity contracts subject to rate recovery |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Derivative asset | 0 | 0
Effect of netting and allocation of collateral | 0 | 0
Derivative liability | $ 0 | $ 0

X
- Definition Guarantor Obligations, Asset, Fair Value Disclosure + References No definition available. + Details
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- Definition Short Term Investments Held In Trusts, Fair Value Disclosure + References No definition available. + Details
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- Definition Fair value portion of probable future economic benefits obtained or controlled by an entity as a result of past transactions or events. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482106/820-10-50-2 + Details
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- Definition The fair value of investments held in a trust fund to pay for the costs of decontaminating and decommissioning facilities, whether such amount is presented as a separate caption or as a parenthetical disclosure on the balance sheet. Additionally, this element may be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 410 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org//1943274/2147481850/410-20-50-1 + Details
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- Definition Amount of obligation to return cash collateral under master netting arrangements offset against derivative assets. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 45 -Paragraph 5 -SubTopic 10 -Topic 815 -Publisher FASB -URI https://asc.fasb.org//1943274/2147480463/815-10-45-5 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 50 -Paragraph 3 -Subparagraph (b) -SubTopic 20 -Topic 210 -Publisher FASB -URI https://asc.fasb.org//1943274/2147483466/210-20-50-3 + Details
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- Definition Fair value, after the effects of master netting arrangements, of a financial asset or other contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. 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