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COMMITMENTS AND CONTINGENCIES - CONTRACTUAL COMMITMENTS & ENVIRONMENTAL ISSUES (Details) $ in Millions | 6 Months Ended
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Jun. 30, 2023 USD ($)
Loss Contingencies [Line Items] |
Potential monetary sanctions threshold | $ 1
Potential monetary sanctions threshold (as a percent) | 1.00%
Environmental cost, potential monetary sanctions threshold, actual amount | $ 48
Sempra Infrastructure | Natural Gas Storage and Transportation Contracts |
Loss Contingencies [Line Items] |
Change since 2022 | 863
Change in 2023 | (27)
Change in 2024 | 23
Change in 2025 | 33
Change in 2026 | 33
Change in 2027 | 30
Change thereafter | 771
Sempra Infrastructure | Liquefied Natural Gas Contracts |
Loss Contingencies [Line Items] |
Change in 2023 | (841)
Change in 2024 | (87)
Change in 2025 | (65)
Change in 2026 | (87)
Change in 2027 | (98)
Change thereafter | (208)
San Diego Gas and Electric Company |
Loss Contingencies [Line Items] |
Environmental cost, potential monetary sanctions threshold, actual amount | 17
Southern California Gas Company |
Loss Contingencies [Line Items] |
Environmental cost, potential monetary sanctions threshold, actual amount | $ 13

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