Goodwill and Intangible Assets (Tables)

12 Months Ended

Dec. 31, 2019

Segment allocation of goodwill

The changes in Dominion Energy’s and Dominion Energy Gas’ carrying amount and segment allocation of goodwill are presented below:

	Dominion Energy Virginia		Gas Transmission & Storage			Gas Distribution		Dominion Energy South Carolina		Contracted Generation		Corporate and Other		Total
(millions)
Dominion Energy
Balance at December 31, 2017(1)	$	2,106	$	1,561		$	2,496	$	—	$	242		$—	$	6,405
Purchase Accounting Adjustment		—		4			1		—		—		—		5
Balance at December 31, 2018(1)	$	2,106	$	1,565		$	2,497	$	—	$	242		$—	$	6,410
SCANA Combination(2)		—		73			1,015		1,521		—		—		2,609
Contribution of SEMI to Wrangler(3)		—		(73	)		—		—		—		—		(73	)
Balance at December 31, 2019(1)	$	2,106	$	1,565		$	3,512	$	1,521	$	242		$—	$	8,946
Dominion Energy Gas
Balance at December 31, 2017(1)	$	—	$	1,466		$	—	$	—	$	—		$—	$	1,466
Purchase Accounting Adjustment		—		5			—		—		—		—		5
Balance at December 31, 2018(1)	$	—	$	1,471		$	—	$	—	$	—		$—	$	1,471
No events affecting goodwill		—		—			—		—		—		—		—
Balance at December 31, 2019(1)	$	—	$	1,471		$	—	$	—	$	—		$—	$	1,471

(1) Goodwill amounts do not contain any accumulated impairment losses.

(2) See Note 3 for discussion of Dominion Energy’s acquisitions.

(3) See Note 9 for additional information.

Components of intangible assets

The components of intangible assets are as follows:

	2019				2018
At December 31,	Gross Carrying Amount		Accumulated Amortization		Gross Carrying Amount		Accumulated Amortization
(millions)
Dominion Energy
Software, licenses and other	$	1,340		$549	$	1,033		$363
Virginia Power
Software, licenses and other	$	406		$135	$	384		$134
Dominion Energy Gas
Software, licenses and other	$	178		$  72	$	179		$  64

Annual amortization expense of intangible assets

Annual amortization expense for these intangible assets is estimated to be as follows:

	2020		2021		2022		2023		2024
(millions)
Dominion Energy	$	88	$	78	$	70	$	56	$	49
Virginia Power	$	25	$	19	$	15	$	8	$	6
Dominion Energy Gas	$	9	$	8	$	8	$	5	$	4