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SEGMENT INFORMATION - SCHEDULE (Details) - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended |
--- | --- | --- | ---
Jun. 30, 2023 | Jun. 30, 2022 | Jun. 30, 2023 | Jun. 30, 2022 | Dec. 31, 2022
Segment Reporting Information, Profit (Loss) [Abstract] |  |  |  |  |  |
REVENUES | $ 3,335 | $ 3,547 | $ 9,895 | $ 7,367 |  |
DEPRECIATION AND AMORTIZATION | 549 | 501 | 1,088 | 994 |  |
INTEREST INCOME | 17 | 15 | 41 | 40 |  |
INTEREST EXPENSE | 317 | 271 | 683 | 514 |  |
INCOME TAX EXPENSE (BENEFIT) | 175 | 80 | 551 | 414 |  |
Equity earnings, before income tax: | 153 | 159 | 285 | 302 |  |
Equity earnings, net of income tax: | 235 | 216 | 322 | 399 |  |
Equity earnings | 388 | 375 | 607 | 701 |  |
EARNINGS (LOSSES) ATTRIBUTABLE TO COMMON SHARES | 603 | 559 | 1,572 | 1,171 |  |
Segment Reporting Information, Additional Information [Abstract] |  |  |  |  |  |
EXPENDITURES FOR PROPERTY, PLANT & EQUIPMENT |  |  | 4,282 | 2,361 |  |
ASSETS | 82,727 |  | 82,727 |  | $ 78,574 | [1]
EQUITY METHOD INVESTMENTS | 16,015 |  | 16,015 |  | 15,677 |
Operating Segments | SDG&E |  |  |  |  |  |
Segment Reporting Information, Profit (Loss) [Abstract] |  |  |  |  |  |
REVENUES | 1,262 | 1,399 | 2,915 | 2,844 |  |
DEPRECIATION AND AMORTIZATION | 268 | 244 | 530 | 483 |  |
INTEREST INCOME | 4 | 1 | 5 | 1 |  |
INTEREST EXPENSE | 123 | 114 | 241 | 220 |  |
INCOME TAX EXPENSE (BENEFIT) | 4 | 42 | 11 | 106 |  |
EARNINGS (LOSSES) ATTRIBUTABLE TO COMMON SHARES | 184 | 176 | 442 | 410 |  |
Segment Reporting Information, Additional Information [Abstract] |  |  |  |  |  |
EXPENDITURES FOR PROPERTY, PLANT & EQUIPMENT |  |  | 1,239 | 1,090 |  |
ASSETS | 27,786 |  | 27,786 |  | 26,422 |
Operating Segments | SoCalGas |  |  |  |  |  |
Segment Reporting Information, Profit (Loss) [Abstract] |  |  |  |  |  |
REVENUES | 1,467 | 1,501 | 5,261 | 3,494 |  |
DEPRECIATION AND AMORTIZATION | 208 | 188 | 414 | 375 |  |
INTEREST INCOME | 1 | 1 | 5 | 1 |  |
INTEREST EXPENSE | 71 | 45 | 140 | 85 |  |
INCOME TAX EXPENSE (BENEFIT) | (21) | 19 | 73 | 103 |  |
EARNINGS (LOSSES) ATTRIBUTABLE TO COMMON SHARES | 155 | 87 | 515 | 421 |  |
Segment Reporting Information, Additional Information [Abstract] |  |  |  |  |  |
EXPENDITURES FOR PROPERTY, PLANT & EQUIPMENT |  |  | 961 | 931 |  |
ASSETS | 22,591 |  | 22,591 |  | 22,346 |
Operating Segments | Sempra Texas Utilities |  |  |  |  |  |
Segment Reporting Information, Profit (Loss) [Abstract] |  |  |  |  |  |
Equity earnings, before income tax: | 2 | 3 | 3 | 5 |  |
Equity earnings, net of income tax: | 160 | 184 | 243 | 346 |  |
EARNINGS (LOSSES) ATTRIBUTABLE TO COMMON SHARES | 160 | 186 | 243 | 348 |  |
Segment Reporting Information, Additional Information [Abstract] |  |  |  |  |  |
ASSETS | 13,988 |  | 13,988 |  | 13,781 |
EQUITY METHOD INVESTMENTS | 13,979 |  | 13,979 |  | 13,772 |
Operating Segments | Sempra Infrastructure |  |  |  |  |  |
Segment Reporting Information, Profit (Loss) [Abstract] |  |  |  |  |  |
REVENUES | 660 | 689 | 1,856 | 1,113 |  |
DEPRECIATION AND AMORTIZATION | 70 | 67 | 139 | 132 |  |
INTEREST INCOME | 6 | 9 | 21 | 30 |  |
INTEREST EXPENSE | 25 | 32 | 120 | 59 |  |
INCOME TAX EXPENSE (BENEFIT) | 201 | 70 | 531 | 161 |  |
Equity earnings, before income tax: | 151 | 156 | 282 | 297 |  |
Equity earnings, net of income tax: | 75 | 32 | 79 | 53 |  |
EARNINGS (LOSSES) ATTRIBUTABLE TO COMMON SHARES | 208 | 183 | 523 | 278 |  |
Segment Reporting Information, Additional Information [Abstract] |  |  |  |  |  |
EXPENDITURES FOR PROPERTY, PLANT & EQUIPMENT |  |  | 2,078 | 336 |  |
ASSETS | 17,610 |  | 17,610 |  | 15,760 |
EQUITY METHOD INVESTMENTS | 2,036 |  | 2,036 |  | 1,905 |
Adjustments and eliminations |  |  |  |  |  |
Segment Reporting Information, Profit (Loss) [Abstract] |  |  |  |  |  |
REVENUES | (2) | (2) | (1) | 0 |  |
All other |  |  |  |  |  |
Segment Reporting Information, Profit (Loss) [Abstract] |  |  |  |  |  |
DEPRECIATION AND AMORTIZATION | 3 | 2 | 5 | 4 |  |
INTEREST INCOME | 6 | 4 | 10 | 8 |  |
INTEREST EXPENSE | 99 | 81 | 183 | 151 |  |
INCOME TAX EXPENSE (BENEFIT) | (9) | (51) | (64) | 44 |  |
EARNINGS (LOSSES) ATTRIBUTABLE TO COMMON SHARES | (104) | (73) | (151) | (286) |  |
Segment Reporting Information, Additional Information [Abstract] |  |  |  |  |  |
EXPENDITURES FOR PROPERTY, PLANT & EQUIPMENT |  |  | 4 | 4 |  |
ASSETS | 1,773 |  | 1,773 |  | 1,376 |
Intersegment revenues and eliminations |  |  |  |  |  |
Segment Reporting Information, Profit (Loss) [Abstract] |  |  |  |  |  |
REVENUES | (52) | (40) | (136) | (84) |  |
INTEREST EXPENSE | (1) | (1) | (1) | (1) |  |
Segment Reporting Information, Additional Information [Abstract] |  |  |  |  |  |
ASSETS | (1,021) |  | (1,021) |  | $ (1,111) |
Intersegment revenues and eliminations | SDG&E |  |  |  |  |  |
Segment Reporting Information, Profit (Loss) [Abstract] |  |  |  |  |  |
REVENUES | (5) | (3) | (9) | (7) |  |
Intersegment revenues and eliminations | SoCalGas |  |  |  |  |  |
Segment Reporting Information, Profit (Loss) [Abstract] |  |  |  |  |  |
REVENUES | (28) | (23) | (62) | (49) |  |
Intersegment revenues and eliminations | Sempra Infrastructure |  |  |  |  |  |
Segment Reporting Information, Profit (Loss) [Abstract] |  |  |  |  |  |
REVENUES | $ (19) | $ (14) | $ (65) | $ (28) |  |
[1] | Derived from audited financial statements.

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