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REVENUES - DISAGGREGATION OF REVENUE (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021
Disaggregation of Revenue [Line Items] |  |  |
Revenues from contracts with customers | $ 14,848 | $ 13,722 | $ 11,676
Utilities regulatory revenues | 75 | 633 | 451
Other revenues | 1,797 | 84 | 730
Total revenues | 16,720 | 14,439 | 12,857
Operating Segments | Sempra California |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenues from contracts with customers | 13,686 | 11,944 | 10,475
Utilities regulatory revenues | 75 | 633 | 451
Other revenues | 0 | 0 | 0
Total revenues | 13,761 | 12,577 | 10,926
Operating Segments | Sempra Infrastructure |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenues from contracts with customers | 1,251 | 1,849 | 1,246
Utilities regulatory revenues | 0 | 0 | 0
Other revenues | 1,820 | 70 | 751
Total revenues | 3,071 | 1,919 | 1,997
Consolidating adjustments and Parent and other |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenues from contracts with customers | (89) | (71) | (45)
Utilities regulatory revenues | 0 | 0 | 0
Other revenues | (23) | 14 | (21)
Total revenues | (112) | (57) | (66)
SDG&E |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenues from contracts with customers | 5,954 | 5,586 | 5,144
Utilities regulatory revenues | (357) | 252 | 360
Total revenues | 5,597 | 5,838 | 5,504
SoCalGas |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenues from contracts with customers | 7,857 | 6,459 | 5,424
Utilities regulatory revenues | 432 | 381 | 91
Total revenues | 8,289 | 6,840 | 5,515
Utilities |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenues from contracts with customers | 13,754 | 12,018 | 10,540
Utilities | Operating Segments | Sempra California |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenues from contracts with customers | 13,686 | 11,944 | 10,475
Utilities | Operating Segments | Sempra Infrastructure |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenues from contracts with customers | 87 | 89 | 81
Utilities | Consolidating adjustments and Parent and other |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenues from contracts with customers | (19) | (15) | (16)
Utilities | SDG&E |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenues from contracts with customers | 5,954 | 5,586 | 5,144
Utilities | SoCalGas |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenues from contracts with customers | 7,857 | 6,459 | 5,424
Energy-related businesses |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenues from contracts with customers | 1,094 | 1,704 | 1,136
Energy-related businesses | Operating Segments | Sempra California |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenues from contracts with customers | 0 | 0 | 0
Energy-related businesses | Operating Segments | Sempra Infrastructure |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenues from contracts with customers | 1,164 | 1,760 | 1,165
Energy-related businesses | Consolidating adjustments and Parent and other |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenues from contracts with customers | (70) | (56) | (29)
Gas |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenues from contracts with customers | 9,687 | 8,525 | 6,969
Gas | Operating Segments | Sempra California |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenues from contracts with customers | 8,949 | 7,267 | 6,128
Gas | Operating Segments | Sempra Infrastructure |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenues from contracts with customers | 755 | 1,270 | 856
Gas | Consolidating adjustments and Parent and other |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenues from contracts with customers | (17) | (12) | (15)
Gas | SDG&E |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenues from contracts with customers | 1,204 | 899 | 790
Gas | SoCalGas |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenues from contracts with customers | 7,857 | 6,459 | 5,424
Electric |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenues from contracts with customers | 5,161 | 5,197 | 4,707
Electric | Operating Segments | Sempra California |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenues from contracts with customers | 4,737 | 4,677 | 4,347
Electric | Operating Segments | Sempra Infrastructure |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenues from contracts with customers | 496 | 579 | 390
Electric | Consolidating adjustments and Parent and other |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenues from contracts with customers | (72) | (59) | (30)
Electric | SDG&E |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenues from contracts with customers | 4,750 | 4,687 | 4,354
Electric | SoCalGas |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenues from contracts with customers | $ 0 | $ 0 | $ 0

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