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Asset Retirement Obligations (Tables)
 6 Months Ended
Jun. 30, 2019
Asset Retirement Obligation Disclosure [Abstract]  
Changes to Asset Retirement Obligations The changes to AROs during 2019 were as follows:

 

 

Amount

 

(millions)

 

 

 

 

Dominion Energy

 

 

 

 

AROs at December 31, 2018(1)

$

 

2,532

 

Obligations incurred during the period(2)

 

 

2,395

 

Obligations settled during the period

 

 

(56

)

AROs acquired in the SCANA Combination

 

577

 

Revisions in estimated cash flows(2)

 

 

(228

)

Accretion

 

83

 

AROs at June 30, 2019(1)

$

 

5,303

 

Virginia Power

 

 

 

 

AROs at December 31, 2018(3)

$

 

1,445

 

Obligations incurred during the period(2)

 

 

2,394

 

Obligations settled during the period

 

 

(41

)

Revisions in estimated cash flows(2)

 

 

(202

)

Accretion

 

55

 

AROs at June 30, 2019(3)

$

 

3,651

 

Dominion Energy Gas

 

 

 

 

AROs at December 31, 2018(4)

$

167

 

Obligations settled during the period

 

 

(4

)

Revisions in estimated cash flows

 

 

(26

)

Accretion

 

5

 

AROs at June 30, 2019(4)

$

142

 

(1)

Includes $282 million and $319 million reported in other current liabilities at December 31, 2018 and June 30, 2019, respectively.

(2)

Primarily related to future ash pond and landfill closure costs at certain utility generation facilities. See Note 18 for further information.

(3)

Includes $245 million and $262 million reported in other current liabilities at December 31, 2018 and June 30, 2019, respectively.

(4)      Includes $153 million and $132 million reported in other deferred credits and other liabilities, with the remainder recorded in other current liabilities, at December 31, 2018 and June 30, 2019, respectively.