v3.26.1
GENERAL INFORMATION AND OTHER FINANCIAL DATA - CHANGES IN ACCUMULATED OTHER COMPREHENSIVE INCOME (Details) - USD ($)
$ in Millions
 3 Months Ended 6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]        
Beginning Balance $ 39,474 $ 38,202 $ 38,793 [1] $ 37,788
Total other comprehensive income 51 (22) 58 (56)
Ending balance 39,998 38,296 39,998 38,296
AOCI Attributable to Parent, Net of Tax [Roll Forward]        
Beginning balance [1]     31,594  
Total other comprehensive income (loss), net of tax amount, attributable to parent 47 (20) 53 (49)
Ending balance 32,685   32,685  
Total AOCI        
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]        
Beginning Balance (191) (195) (197) (166)
OCI before reclassifications 44 (23) 52 (56)
Amounts reclassified from AOCI 3 3 1 7
Total other comprehensive income 47 (20) 53 (49)
Ending balance (144) (215) (144) (215)
Foreign currency translation adjustments        
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]        
Beginning Balance (47) (66) (45) (66)
OCI before reclassifications 7 11 5 11
Amounts reclassified from AOCI 0 0 0 0
Total other comprehensive income 7 11 5 11
Ending balance (40) (55) (40) (55)
Financial instruments        
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]        
Beginning Balance (52) (17) (54) 15
OCI before reclassifications 37 (34) 42 (65)
Amounts reclassified from AOCI 1 1 (2) 0
Total other comprehensive income 38 (33) 40 (65)
Ending balance (14) (50) (14) (50)
Pension and PBOP        
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]        
Beginning Balance (92) (112) (98) (115)
OCI before reclassifications 0 0 5 (2)
Amounts reclassified from AOCI 2 2 3 7
Total other comprehensive income 2 2 8 5
Ending balance (90) (110) (90) (110)
SDG&E        
AOCI Attributable to Parent, Net of Tax [Roll Forward]        
Beginning balance 11,229 10,845 10,933 [2] 10,564
Ending balance 11,419 11,020 11,419 11,020
SDG&E | Total AOCI        
AOCI Attributable to Parent, Net of Tax [Roll Forward]        
Beginning balance (6) (12) (6) (12)
Ending balance (6) (12) (6) (12)
SDG&E | Pension and PBOP        
AOCI Attributable to Parent, Net of Tax [Roll Forward]        
Beginning balance (6) (12) (6) (12)
Ending balance (6) (12) (6) (12)
SoCalGas        
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]        
Total other comprehensive income   1   3
AOCI Attributable to Parent, Net of Tax [Roll Forward]        
Beginning balance 9,260 8,606 8,836 [3] 8,161
OCI before reclassifications       (2)
Amounts reclassified from AOCI   1   5
Total other comprehensive income (loss), net of tax amount, attributable to parent   1   3
Ending balance 9,367 8,691 9,367 8,691
SoCalGas | Total AOCI        
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]        
Total other comprehensive income   1   3
AOCI Attributable to Parent, Net of Tax [Roll Forward]        
Beginning balance (17) (25) (17) (27)
Ending balance (17) (24) (17) (24)
SoCalGas | Financial instruments        
AOCI Attributable to Parent, Net of Tax [Roll Forward]        
Beginning balance (9) (10) (9) (10)
OCI before reclassifications       0
Amounts reclassified from AOCI   0   0
Total other comprehensive income (loss), net of tax amount, attributable to parent   0   0
Ending balance (9) (10) (9) (10)
SoCalGas | Pension and PBOP        
AOCI Attributable to Parent, Net of Tax [Roll Forward]        
Beginning balance (8) (15) (8) (17)
OCI before reclassifications       (2)
Amounts reclassified from AOCI   1   5
Total other comprehensive income (loss), net of tax amount, attributable to parent   1   3
Ending balance $ (8) $ (14) $ (8) $ (14)
[1] Derived from audited financial statements.
[2] Derived from audited financial statements.
[3] Derived from audited financial statements.