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SEMPRA – INVESTMENTS IN UNCONSOLIDATED ENTITIES - SUMMARY OF INVESTMENTS (Details) - USD ($) $ in Millions | 12 Months Ended
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Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020
Schedule of Equity Method Investments [Line Items] |  |  |  |
Equity method investment | $ 14,266 | $ 13,665 |  |
Other investments | 2,244 | 2,012 |  |
Goodwill | 1,602 | 1,602 |  |
Earnings recorded before tax | 633 | 666 | $ 614 |
Earnings recorded net of income tax | 848 | 832 | 729 |
Equity earnings | 1,481 | 1,498 | 1,343 |
Payments to acquire equity method investments | 382 | 376 | 633 |
Distributions from investments | 948 | 886 | 1,360 |
Undistributed earnings from equity method investments | 2,500 | 2,000 |  |
Undistributed earnings, equity method investments, less than 50 percent owned | $ 496 |  |  |
Sharyland Holdings, LP |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |
Ownership percentage in equity method investee | 50.00% |  |  |
RBS Sempra Commodities |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |
Earnings recorded before tax | $ 40 |  | 50 | $ (100)
Parent and other: |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |
Other investments | 1 | 0 |  |
Total |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |
Other investments | 2,244 | 2,012 |  |
Sempra Texas Utilities |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |
Payments to acquire equity method investments | 367 | 346 | 566 |
Distributions from investments | $ 445 | $ 345 | 688 |
Sempra Texas Utilities | Oncor Holdings |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |
Ownership percentage in equity method investee | 100.00% | 100.00% |  |
Equity method investment | $ 14,266 | $ 13,665 |  |
Difference between carrying amount of equity method investment and underlying equity | 2,870 | 2,856 |  |
Goodwill | 2,868 | 2,868 |  |
Equity method investment, difference between carrying amount and underlying equity, aoci | 69 | 69 |  |
Difference between carrying amount and underlying equity, tax sharing liability | 67 | 81 |  |
Earnings recorded net of income tax | 694 | 735 | 617 |
Payments to acquire equity method investments | 363 | 341 | 566 |
Distributions from investments | 441 | 340 | 681 |
Total distributions from equity method investments, including the tax sharing agreement | $ 558 | $ 443 | 753 |
Sempra Texas Utilities | Sharyland Holdings, LP |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |
Ownership percentage in equity method investee | 50.00% | 50.00% |  |
Equity method investment | $ 114 | $ 107 |  |
Difference between carrying amount of equity method investment and underlying equity | 41 | 41 |  |
Earnings recorded before tax | 7 | 7 | 5 |
Payments to acquire equity method investments | 4 | 5 | 0 |
Distributions from investments | 4 | 5 | 7 |
Sempra Infrastructure |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |
Payments to acquire equity method investments | 15 | 30 | 67 |
Distributions from investments | $ 503 | $ 541 | 672 |
Sempra Infrastructure | Cameron LNG JV |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |
Ownership percentage in equity method investee | 50.20% | 50.20% |  |
Equity method investment | $ 1,008 | $ 886 |  |
Difference between carrying amount of equity method investment and underlying equity | 262 | 270 |  |
Earnings recorded before tax | 586 | 659 | 559 |
Basis difference in equity earnings related to AOCI | 9 | 12 | 3 |
Payments to acquire equity method investments | 15 | 30 | 2 |
Distributions from investments | 456 | 509 | 623 |
Sempra Infrastructure | ESJ JV |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |
Earnings recorded net of income tax | 0 | 0 | 2 |
Payments to acquire equity method investments | 0 | 0 | 65 |
Distributions from investments | $ 0 | $ 0 | 4 |
Sempra Infrastructure | IMG JV |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |
Ownership percentage in equity method investee | 40.00% | 40.00% |  |
Equity method investment | $ 620 | $ 591 |  |
Difference between carrying amount of equity method investment and underlying equity | 5 | 5 |  |
Earnings recorded net of income tax | 40 | 68 | 83 |
Distributions from investments | $ 11 | $ 0 | 0 |
Sempra Infrastructure | TAG Pipelines Norte |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |
Ownership percentage in equity method investee | 50.00% | 50.00% |  |
Equity method investment | $ 501 | $ 428 |  |
Difference between carrying amount of equity method investment and underlying equity | 130 | 130 |  |
Earnings recorded net of income tax | 114 | 29 | 27 |
Distributions from investments | 36 | 32 | 45 |
Parent and other | RBS Sempra Commodities |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |
Earnings recorded before tax | $ 40 | $ 0 | $ 50 |

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