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SEGMENT INFORMATION - Revenue By Services (Details) - USD ($) $ in Millions | 3 Months Ended
--- | ---
Mar. 31, 2025 | Mar. 31, 2024
Revenues from External Customers and Long-Lived Assets [Line Items] |  |
Energy-related businesses | $ 381 | $ 475
Revenues from contracts with customers | 3,681 | 3,697
Revenues | 3,802 | 3,640
Operating Segments After Reconciling Items And Eliminations |  |
Revenues from External Customers and Long-Lived Assets [Line Items] |  |
Revenues from contracts with customers | 3,681 | 3,698
Total other revenues | 121 | (57)
Operating Segments After Reconciling Items And Eliminations | Sempra California |  |
Revenues from External Customers and Long-Lived Assets [Line Items] |  |
Operating revenues | 3,457 | 3,474
Energy-related businesses | 0 | 0
Revenues from contracts with customers | 3,457 | 3,474
Utilities | (62) | (338)
Energy-related businesses | 0 | 0
Total other revenues | (62) | (338)
Operating Segments After Reconciling Items And Eliminations | Sempra Infrastructure |  |
Revenues from External Customers and Long-Lived Assets [Line Items] |  |
Operating revenues | 26 | 30
Energy-related businesses | 198 | 194
Revenues from contracts with customers | 224 | 224
Utilities | 0 | 0
Energy-related businesses | 183 | 281
Total other revenues | 183 | 281
Operating Segments |  |
Revenues from External Customers and Long-Lived Assets [Line Items] |  |
Revenues | 3,827 | 3,660
Operating Segments | Sempra California |  |
Revenues from External Customers and Long-Lived Assets [Line Items] |  |
Revenues from contracts with customers | 3,463 | 3,479
Revenues | 3,401 | 3,141
Operating Segments | Sempra Infrastructure |  |
Revenues from External Customers and Long-Lived Assets [Line Items] |  |
Revenues from contracts with customers | 244 | 242
Revenues | 426 | 519
Adjustments |  |
Revenues from External Customers and Long-Lived Assets [Line Items] |  |
Revenues |  | (1)
Intersegment revenues and eliminations |  |
Revenues from External Customers and Long-Lived Assets [Line Items] |  |
Revenues | (25) | (19)
Intersegment revenues and eliminations | Sempra California |  |
Revenues from External Customers and Long-Lived Assets [Line Items] |  |
Operating revenues | (6) | (5)
Energy-related businesses | 0 | 0
Revenues | (6) | (5)
Intersegment revenues and eliminations | Sempra Infrastructure |  |
Revenues from External Customers and Long-Lived Assets [Line Items] |  |
Operating revenues | 0 | 0
Energy-related businesses | (19) | (14)
Revenues | $ (19) | $ (14)

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