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Operating Segments (Tables)
3 Months Ended
Mar. 31, 2024
Segment Reporting [Abstract]  
Schedule of Segment Reporting Information, by Segment

(millions)

 

External
Revenue

 

 

Comprehensive
Income (Loss)
Available
(Attributable) to
Common
Shareholder

 

Three Months Ended March 31, 2024

 

 

 

 

 

 

Dominion Energy South Carolina

 

$

775

 

 

$

75

 

Corporate and Other

 

 

 

 

 

(1

)

Consolidated total

 

$

775

 

 

$

74

 

 

 

 

 

 

 

 

Three Months Ended March 31, 2023

 

 

 

 

 

 

Dominion Energy South Carolina

 

$

759

 

 

$

86

 

Corporate and Other

 

 

 

 

 

6

 

Consolidated total

 

$

759

 

 

$

92