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FAIR VALUE MEASUREMENTS - RECURRING FAIR VALUE MEASURES (Details) - Recurring - USD ($) $ in Millions | Jun. 30, 2023 | Dec. 31, 2022
--- | --- | ---
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Total nuclear decommissioning trusts | $ 869 | $ 845
Short-term investments held in Rabbi Trust | 51 | 55
Support Agreement, net of related guarantee fees | 23 | 17
Total | 1,258 | 1,871
Total | 79 | 374
Short-term investments, primarily cash equivalents |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Total nuclear decommissioning trusts | 24 | 11
Equity securities |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Total nuclear decommissioning trusts | 322 | 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 | 39 | 40
Municipal bonds |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Total nuclear decommissioning trusts | 266 | 270
Other securities |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Total nuclear decommissioning trusts | 218 | 227
Total debt securities |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Total nuclear decommissioning trusts | 523 | 537
Interest rate instruments |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Derivative assets | 62 | 76
Derivative liabilities | 2 |
Commodity contracts not subject to rate recovery |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Derivative assets | 19 | 273
Effect of netting and allocation of collateral | 143 | 451
Derivative liabilities | 11 | 191
Commodity contracts subject to rate recovery |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Derivative assets | 21 | 136
Effect of netting and allocation of collateral | 70 | 18
Derivative liabilities | 65 | 70
Effect of netting and allocation of collateral | (14) |
Foreign exchange instruments |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Derivative liabilities | 15 | 8
Interest rate and foreign exchange instruments |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Derivative liabilities |  | 105
Level 1 |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Total nuclear decommissioning trusts | 365 | 330
Short-term investments held in Rabbi Trust | 51 | 55
Support Agreement, net of related guarantee fees | 0 | 0
Total | 624 | 930
Total | 0 | 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 | 22 | 10
Level 1 | Equity securities |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Total nuclear decommissioning trusts | 318 | 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 | 25 | 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 | 25 | 27
Level 1 | Interest rate instruments |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Derivative assets | 0 | 0
Derivative liabilities | 0 |
Level 1 | Commodity contracts not subject to rate recovery |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Derivative assets | 0 | 0
Effect of netting and allocation of collateral | 143 | 451
Derivative liabilities | 0 | 0
Level 1 | Commodity contracts subject to rate recovery |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Derivative assets | 0 | 82
Effect of netting and allocation of collateral | 65 | 12
Derivative liabilities | 14 | 0
Effect of netting and allocation of collateral | (14) |
Level 1 | Foreign exchange instruments |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Derivative liabilities | 0 | 0
Level 1 | Interest rate and foreign exchange instruments |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Derivative liabilities |  | 0
Level 2 |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Total nuclear decommissioning trusts | 504 | 515
Short-term investments held in Rabbi Trust | 0 | 0
Support Agreement, net of related guarantee fees | 0 | 0
Total | 586 | 883
Total | 79 | 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 | 14 | 13
Level 2 | Municipal bonds |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Total nuclear decommissioning trusts | 266 | 270
Level 2 | Other securities |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Total nuclear decommissioning trusts | 218 | 227
Level 2 | Total debt securities |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Total nuclear decommissioning trusts | 498 | 510
Level 2 | Interest rate instruments |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Derivative assets | 62 | 76
Derivative liabilities | 2 |
Level 2 | Commodity contracts not subject to rate recovery |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Derivative assets | 19 | 273
Effect of netting and allocation of collateral | 0 | 0
Derivative liabilities | 11 | 191
Level 2 | Commodity contracts subject to rate recovery |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Derivative assets | 1 | 19
Effect of netting and allocation of collateral | 0 | 0
Derivative liabilities | 51 | 70
Effect of netting and allocation of collateral | 0 |
Level 2 | Foreign exchange instruments |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Derivative liabilities | 15 | 8
Level 2 | Interest rate and foreign exchange instruments |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Derivative liabilities |  | 105
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
Total | 48 | 58
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 assets | 0 | 0
Derivative liabilities | 0 |
Level 3 | Commodity contracts not subject to rate recovery |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Derivative assets | 0 | 0
Effect of netting and allocation of collateral | 0 | 0
Derivative liabilities | 0 | 0
Level 3 | Commodity contracts subject to rate recovery |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Derivative assets | 20 | 35
Effect of netting and allocation of collateral | 5 | 6
Derivative liabilities | 0 | 0
Effect of netting and allocation of collateral | 0 |
Level 3 | Foreign exchange instruments |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Derivative liabilities | 0 | 0
Level 3 | Interest rate and foreign exchange instruments |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Derivative liabilities |  | 0
San Diego Gas and Electric Company |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Total nuclear decommissioning trusts | 869 | 845
Total | 958 | 982
Total | 5 | 1
San Diego Gas and Electric Company | Short-term investments, primarily cash equivalents |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Total nuclear decommissioning trusts | 24 | 11
San Diego Gas and Electric Company | Equity securities |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Total nuclear decommissioning trusts | 322 | 297
San Diego Gas and Electric Company | 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 | 39 | 40
San Diego Gas and Electric Company | Municipal bonds |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Total nuclear decommissioning trusts | 266 | 270
San Diego Gas and Electric Company | Other securities |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Total nuclear decommissioning trusts | 218 | 227
San Diego Gas and Electric Company | Total debt securities |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Total nuclear decommissioning trusts | 523 | 537
San Diego Gas and Electric Company | Commodity contracts subject to rate recovery |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Derivative assets | 20 | 120
Effect of netting and allocation of collateral | 69 | 17
Derivative liabilities | 19 | 1
Effect of netting and allocation of collateral | (14) |
San Diego Gas and Electric Company | Level 1 |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Total nuclear decommissioning trusts | 365 | 330
Total | 429 | 423
Total | 0 | 0
San Diego Gas and Electric Company | 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 | 22 | 10
San Diego Gas and Electric Company | Level 1 | Equity securities |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Total nuclear decommissioning trusts | 318 | 293
San Diego Gas and Electric Company | 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 | 25 | 27
San Diego Gas and Electric Company | Level 1 | Municipal bonds |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Total nuclear decommissioning trusts | 0 | 0
San Diego Gas and Electric Company | Level 1 | Other securities |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Total nuclear decommissioning trusts | 0 | 0
San Diego Gas and Electric Company | Level 1 | Total debt securities |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Total nuclear decommissioning trusts | 25 | 27
San Diego Gas and Electric Company | Level 1 | Commodity contracts subject to rate recovery |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Derivative assets | 0 | 82
Effect of netting and allocation of collateral | 64 | 11
Derivative liabilities | 14 | 0
Effect of netting and allocation of collateral | (14) |
San Diego Gas and Electric Company | Level 2 |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Total nuclear decommissioning trusts | 504 | 515
Total | 504 | 518
Total | 5 | 1
San Diego Gas and Electric Company | 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
San Diego Gas and Electric Company | Level 2 | Equity securities |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Total nuclear decommissioning trusts | 4 | 4
San Diego Gas and Electric Company | 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 | 14 | 13
San Diego Gas and Electric Company | Level 2 | Municipal bonds |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Total nuclear decommissioning trusts | 266 | 270
San Diego Gas and Electric Company | Level 2 | Other securities |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Total nuclear decommissioning trusts | 218 | 227
San Diego Gas and Electric Company | Level 2 | Total debt securities |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Total nuclear decommissioning trusts | 498 | 510
San Diego Gas and Electric Company | Level 2 | Commodity contracts subject to rate recovery |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Derivative assets | 0 | 3
Effect of netting and allocation of collateral | 0 | 0
Derivative liabilities | 5 | 1
Effect of netting and allocation of collateral | 0 |
San Diego Gas and Electric Company | Level 3 |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Total nuclear decommissioning trusts | 0 | 0
Total | 25 | 41
Total | 0 | 0
San Diego Gas and Electric Company | 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
San Diego Gas and Electric Company | Level 3 | Equity securities |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Total nuclear decommissioning trusts | 0 | 0
San Diego Gas and Electric Company | 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
San Diego Gas and Electric Company | Level 3 | Municipal bonds |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Total nuclear decommissioning trusts | 0 | 0
San Diego Gas and Electric Company | Level 3 | Other securities |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Total nuclear decommissioning trusts | 0 | 0
San Diego Gas and Electric Company | Level 3 | Total debt securities |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Total nuclear decommissioning trusts | 0 | 0
San Diego Gas and Electric Company | Level 3 | Commodity contracts subject to rate recovery |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Derivative assets | 20 | 35
Effect of netting and allocation of collateral | 5 | 6
Derivative liabilities | 0 | 0
Effect of netting and allocation of collateral | 0 |
Southern California Gas Company |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Total | 2 | 17
Total | 46 | 69
Southern California Gas Company | Commodity contracts subject to rate recovery |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Derivative assets | 1 | 16
Effect of netting and allocation of collateral | 1 | 1
Derivative liabilities | 46 | 69
Southern California Gas Company | Level 1 |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Total | 1 | 1
Total | 0 | 0
Southern California Gas Company | Level 1 | Commodity contracts subject to rate recovery |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Derivative assets | 0 | 0
Effect of netting and allocation of collateral | 1 | 1
Derivative liabilities | 0 | 0
Southern California Gas Company | Level 2 |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Total | 1 | 16
Total | 46 | 69
Southern California Gas Company | Level 2 | Commodity contracts subject to rate recovery |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Derivative assets | 1 | 16
Effect of netting and allocation of collateral | 0 | 0
Derivative liabilities | 46 | 69
Southern California Gas Company | Level 3 |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Total | 0 | 0
Total | 0 | 0
Southern California Gas Company | Level 3 | Commodity contracts subject to rate recovery |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Derivative assets | 0 | 0
Effect of netting and allocation of collateral | 0 | 0
Derivative liabilities | $ 0 | $ 0

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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 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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