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SIGNIFICANT ACCOUNTING POLICIES AND OTHER FINANCIAL DATA - RESTRICTED NET ASSETS (Details) - USD ($) $ in Millions | 12 Months Ended |
--- | --- | ---
Dec. 31, 2024 | Dec. 31, 2023
Significant Restrictions of Subsidiaries [Line Items] |  |
Undistributed earnings from equity method investments | $ 2,900 | $ 2,500
Maximum ratio of indebtedness to total capitalization | 0.65 |
Cameron LNG |  |
Significant Restrictions of Subsidiaries [Line Items] |  |
Ownership percentage in equity method investee | 50.20% |
Indirect economic and beneficial and ownership interest after financial completion | 10.00% |
Sharyland Holdings, LP |  |
Significant Restrictions of Subsidiaries [Line Items] |  |
Ownership percentage in equity method investee | 50.00% |
Oncor Holdings | Oncor Holdings |  |
Significant Restrictions of Subsidiaries [Line Items] |  |
Ownership percentage in equity method investee | 100.00% |
Oncor Holdings | Oncor Electric Delivery Company LLC |  |
Significant Restrictions of Subsidiaries [Line Items] |  |
Ownership percentage in equity method investee | 80.25% |
Sempra Texas Utilities | Oncor Holdings |  |
Significant Restrictions of Subsidiaries [Line Items] |  |
Plan percentage of capital structure allocated to equity | 42.50% |
Plan percentage of capital structure allocated to debt | 57.50% |
Sempra Texas Utilities | Oncor Electric Delivery Company LLC |  |
Significant Restrictions of Subsidiaries [Line Items] |  |
Maximum ratio of indebtedness to total capitalization | 0.65 |
Sempra Infrastructure | Cameron LNG |  |
Significant Restrictions of Subsidiaries [Line Items] |  |
Ownership percentage in equity method investee | 50.20% |
Consolidated Entities |  |
Significant Restrictions of Subsidiaries [Line Items] |  |
Restricted net assets of consolidated or unconsolidated subsidiaries | $ 17,900 |
Unconsolidated Entities |  |
Significant Restrictions of Subsidiaries [Line Items] |  |
Restricted net assets of consolidated or unconsolidated subsidiaries | 16,300 |
SDG&E |  |
Significant Restrictions of Subsidiaries [Line Items] |  |
Restricted net assets of consolidated or unconsolidated subsidiaries | 10,000 |
Amount available for dividend distribution and loans without prior approval from regulatory agency | $ 672 |
Plan percentage of capital structure allocated to equity | 52.00% |
Maximum ratio of indebtedness to total capitalization | 0.65 |
SoCalGas |  |
Significant Restrictions of Subsidiaries [Line Items] |  |
Restricted net assets of consolidated or unconsolidated subsidiaries | $ 7,700 |
Amount available for dividend distribution and loans without prior approval from regulatory agency | $ 457 |
Plan percentage of capital structure allocated to equity | 52.00% |
Maximum ratio of indebtedness to total capitalization | 0.65 |
Sempra Texas Utilities | Sharyland Utilities |  |
Significant Restrictions of Subsidiaries [Line Items] |  |
Maximum ratio of indebtedness to total capitalization | 0.70 |
Plan percentage of capital structure allocated to debt | 60.00% |
Sempra Texas Utilities | Sharyland Holdings, LP | Sharyland Holdings, LP |  |
Significant Restrictions of Subsidiaries [Line Items] |  |
Ownership percentage in equity method investee | 50.00% |
Sempra Texas Utilities | Sharyland Holdings, LP | Sharyland Utilities |  |
Significant Restrictions of Subsidiaries [Line Items] |  |
Ownership percentage in equity method investee | 100.00% |
Oncor Electric Delivery Company LLC |  |
Significant Restrictions of Subsidiaries [Line Items] |  |
Restricted net assets of consolidated or unconsolidated subsidiaries | $ 15,600 |
Port Arthur LNG |  |
Significant Restrictions of Subsidiaries [Line Items] |  |
Restricted net assets of consolidated or unconsolidated subsidiaries | $ 19 |
Port Arthur LNG | Port Arthur LNG Committed Line Of Credit Due March 2030 | Line of Credit |  |
Significant Restrictions of Subsidiaries [Line Items] |  |
Term of contract (in years) | 7 years |
Sharyland Utilities |  |
Significant Restrictions of Subsidiaries [Line Items] |  |
Restricted net assets of consolidated or unconsolidated subsidiaries | $ 136 |
Cameron LNG JV | Sempra Infrastructure |  |
Significant Restrictions of Subsidiaries [Line Items] |  |
Restricted net assets of consolidated or unconsolidated subsidiaries | 443 |
Mexican Subsidiaries | Sempra Infrastructure |  |
Significant Restrictions of Subsidiaries [Line Items] |  |
Restricted net assets of consolidated or unconsolidated subsidiaries | 185 |
Gasoductos De Chihuahua [Member] | Sempra Infrastructure |  |
Significant Restrictions of Subsidiaries [Line Items] |  |
Restricted net assets of consolidated or unconsolidated subsidiaries | 3 |
TAG Pipelines Norte | Sempra Infrastructure |  |
Significant Restrictions of Subsidiaries [Line Items] |  |
Restricted net assets of consolidated or unconsolidated subsidiaries | $ 126 |
TAG Pipelines Norte | Sempra Infrastructure | Cameron LNG |  |
Significant Restrictions of Subsidiaries [Line Items] |  |
Ownership percentage in equity method investee | 50.00% |

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