Employee Benefit Plans (Tables)

9 Months Ended

Sep. 30, 2020

Compensation And Retirement Disclosure [Abstract]

Net Periodic Benefit Cost (Credit)

The service cost component of net periodic benefit (credit) cost is reflected in other operations and maintenance expense in Dominion Energy’s Consolidated Statements of Income, except for $3 million and $12 million for the three and nine months ended September 30, 2020, respectively, and $4 million and $12 million for the three and nine months ended September 30, 2019, respectively, presented in discontinued operations. The non-service cost components of net period benefit (credit) cost are reflected in other income in Dominion Energy’s Consolidated Statements of Income. The components of Dominion Energy’s provision for net periodic benefit cost (credit) are as follows:

	Pension Benefits						Other Postretirement Benefits
	2020			2019			2020			2019
(millions)
Three Months Ended September 30,
Service cost	$	45		$	41		$	8		$	7
Interest cost		82			97			15			17
Expected return on plan assets		(197	)		(177	)		(39	)		(37	)
Amortization of prior service cost (credit)		(1	)		—			(12	)		(13	)
Amortization of net actuarial loss		58			42			1			2
Settlements and curtailments(1)		3			2			—			—
Net periodic benefit cost (credit)	$	(10	)	$	5		$	(27	)	$	(24	)
Nine Months Ended September 30,
Service cost	$	131		$	121		$	22		$	20
Interest cost		263			296			45			51
Expected return on plan assets		(582	)		(530	)		(117	)		(105	)
Amortization of prior service cost (credit)		—			1			(37	)		(39	)
Amortization of net actuarial loss		155			124			4			9
Settlements and curtailments(1)		5			75			—			42
Net periodic benefit cost (credit)	$	(28	)	$	87		$	(83	)	$	(22	)

(1) 2019 amounts relate primarily to a voluntary retirement program.