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Employee Benefit Plans (Tables)
 9 Months Ended
Sep. 30, 2022
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. The non-service cost components of net periodic benefit (credit) cost are reflected in other income (expense) 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

 

 

 

2022

 

 

2021

 

 

2022

 

 

2021

 

(millions)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Three Months Ended September 30,

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Service cost

 

$

35

 

 

$

43

 

 

$

5

 

 

$

6

 

Interest cost

 

 

83

 

 

 

80

 

 

 

11

 

 

 

11

 

Expected return on plan assets

 

 

(221

)

 

 

(209

)

 

 

(47

)

 

 

(43

)

Amortization of prior service cost (credit)

 

 

—

 

 

 

—

 

 

 

(10

)

 

 

(11

)

Amortization of net actuarial loss

 

 

39

 

 

 

48

 

 

 

—

 

 

 

1

 

Curtailment(1)

 

 

—

 

 

 

—

 

 

 

(8

)

 

 

—

 

Net periodic benefit (credit) cost

 

$

(64

)

 

$

(38

)

 

$

(49

)

 

$

(36

)

Nine Months Ended September 30,

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Service cost

 

$

106

 

 

$

127

 

 

$

16

 

 

$

18

 

Interest cost

 

 

250

 

 

 

238

 

 

 

34

 

 

 

35

 

Expected return on plan assets

 

 

(667

)

 

 

(625

)

 

 

(143

)

 

 

(130

)

Amortization of prior service (credit) cost

 

 

—

 

 

 

—

 

 

 

(29

)

 

 

(32

)

Amortization of net actuarial loss

 

 

119

 

 

 

145

 

 

 

(1

)

 

 

3

 

Settlements and curtailment(1)

 

 

—

 

 

 

5

 

 

 

(8

)

 

 

—

 

Net periodic benefit (credit) cost

 

$

(192

)

 

$

(110

)

 

$

(131

)

 

$

(106

)

(1)  2022 amounts relate primarily to Dominion Energy’s sale of Hope. 2021 amounts relate primarily to the Dominion Energy executive nonqualified pension plan.