v3.26.3
SEGMENT INFORMATION - Schedule of Segment Information Income Statement and Cash Flows (Details) - USD ($)
$ in Millions
 3 Months Ended 9 Months Ended
Sep. 30, 2026
Sep. 30, 2025
Sep. 30, 2026
Sep. 30, 2025
Segment Reporting, Entity-Wide Information Not Provided as Part of Reportable Segment, Geographical Area, Revenue and Long-Lived Asset [Line Items]        
Equity earnings, before income tax $ 143 $ 133 $ 458 $ 443
Equity earnings 668 472 1,582 1,190
CAPITAL EXPENDITURES FOR PROPERTY, PLANT AND EQUIPMENT     7,327 7,201
Operation and maintenance (1,219) (1,349) (3,712) (3,931)
Gain on sale 214 0 214 0
Interest income 35 17 113 65
Interest expense (298) (403) (1,110) (1,195)
Net income, income tax (expense) benefit (14) (482) (191) (711)
Earnings attributable to contingently redeemable noncontrolling interest 0 0 (10) 0
Earnings attributable to common shares 877 77 2,710 1,444
Operating Segments        
Segment Reporting, Entity-Wide Information Not Provided as Part of Reportable Segment, Geographical Area, Revenue and Long-Lived Asset [Line Items]        
Equity earnings, before income tax 143 133 458 443
Equity earnings, net of tax 525 339 1,124 747
CAPITAL EXPENDITURES FOR PROPERTY, PLANT AND EQUIPMENT     7,324 7,197
Earnings attributable to common shares 1,029 96 3,055 1,651
Operating Segments | Sempra California        
Segment Reporting, Entity-Wide Information Not Provided as Part of Reportable Segment, Geographical Area, Revenue and Long-Lived Asset [Line Items]        
Equity earnings    
CAPITAL EXPENDITURES FOR PROPERTY, PLANT AND EQUIPMENT     3,103 3,334
Revenues 2,733 2,613 8,475 8,504
Operation and maintenance (990) (1,047) (3,001) (3,222)
Depreciation and amortization (629) (591) (1,853) (1,727)
Gain on sale 16   16  
Interest income 2 2 9 7
Interest expense (250) (234) (750) (687)
Net income, income tax (expense) benefit 39 128 (89) 63
Earnings attributable to noncontrolling interests    
Earnings attributable to contingently redeemable noncontrolling interest      
Other segment items (698) (501) (1,567) (1,585)
Earnings attributable to common shares 223 370 1,240 1,353
Operating Segments | Sempra Texas Utilities        
Segment Reporting, Entity-Wide Information Not Provided as Part of Reportable Segment, Geographical Area, Revenue and Long-Lived Asset [Line Items]        
Equity earnings, before income tax 2 1 6 4
Equity earnings, net of tax 460 306 977 661
Equity earnings 462 307 983 665
Earnings attributable to noncontrolling interests    
Earnings attributable to contingently redeemable noncontrolling interest      
Other segment items (2) (1) (6) (5)
Earnings attributable to common shares 460 306 977 660
Operating Segments | Sempra Infrastructure        
Segment Reporting, Entity-Wide Information Not Provided as Part of Reportable Segment, Geographical Area, Revenue and Long-Lived Asset [Line Items]        
Equity earnings, before income tax 141 132 452 439
Equity earnings, net of tax 65 33 147 86
Equity earnings 206 165 599 525
CAPITAL EXPENDITURES FOR PROPERTY, PLANT AND EQUIPMENT     4,221 3,863
Revenues 474 555 1,429 1,511
Operation and maintenance (221) (257) (671) (644)
Depreciation and amortization (4) (69) (10) (223)
Gain on sale 198   198  
Interest income 25 10 84 34
Interest expense 114 (16) 114 (87)
Net income, income tax (expense) benefit (82) (792) (253) (1,045)
Earnings attributable to noncontrolling interests (231) (55) (479) (103)
Earnings attributable to contingently redeemable noncontrolling interest     (10)  
Other segment items (133) (121) (163) (330)
Earnings attributable to common shares 346 (580) 838 (362)
Earnings attributable to common shares        
Segment Reporting, Entity-Wide Information Not Provided as Part of Reportable Segment, Geographical Area, Revenue and Long-Lived Asset [Line Items]        
CAPITAL EXPENDITURES FOR PROPERTY, PLANT AND EQUIPMENT     3 4
Earnings attributable to common shares $ (152) $ (19) $ (345) $ (207)