Operating Segments

12 Months Ended

Dec. 31, 2022

Segment Reporting [Abstract]

Operating Segments

14. OPERATING SEGMENTS

The Corporate and Other Segment primarily includes specific items attributable to DESC's operating segment that are not included in profit measures evaluated by executive management in assessing the segment’s performance or in allocating resources.

In 2022, DESC reported after-tax expenses of $3 million for specific items in the Corporate and Other segment, all of which was attributable to its operating segment.

In 2021, DESC reported after-tax net expenses of $212 million for specific items in the Corporate and Other segment, of which $208 million was attributable to its operating segment.

The net expense for specific items attributable to DESC’s operating segment in 2021 primarily related to $266 million ($199 million after-tax) of charges associated with the settlement of the South Carolina electric base rate case and a $70 million ($53 million after-tax) charge associated with litigation.

In 2020, DESC reported after-tax net expenses of $104 million for specific items in the Corporate and Other segment, all of which were attributable to its operating segment.

The net expense for specific items attributable to DESC’s operating segment in 2020 primarily related to $99 million ($74 million after-tax) of charges associated with litigation.

The following table presents segment information pertaining to DESC’s operations:

Year Ended December 31,	Dominion Energy South Carolina		Corporate and Other			Consolidated Total
(millions)
2022
External revenue	$	3,783	$	—		$	3,783
Depreciation and amortization		507		—			507
Interest charges, net of AFUDC		220		—			220
Income tax expense (benefit)		132		(1	)		131
Comprehensive income (loss) available (attributable) to    common shareholder		485		(3	)		482
Capital expenditures		697		—			697
Total assets (billions)		15.7		—			15.7
2021
External revenue	$	3,146	$	—		$	3,146
Depreciation and amortization		486		—			486
Interest charges (benefit), net of AFUDC		215		(23	)		192
Income tax expense (benefit)		125		(116	)		9
Comprehensive income (loss) available (attributable) to    common shareholder		421		(212	)		209
Capital expenditures		758		—			758
Total assets (billions)		14.9		—			14.9
2020
External revenue	$	2,739	$	—		$	2,739
Depreciation and amortization		474		—			474
Interest charges, net of AFUDC		223		6			229
Income tax expense (benefit)		107		(36	)		71
Comprehensive income (loss) available (attributable) to    common shareholder		410		(113	)		297
Capital expenditures		742		—			742