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Asset Retirement Obligations (Tables) | Nov. 18, 2019
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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) |  | $ | 88 |
Obligations settled during the period |  |  | (2 | )
Accretion |  |  | 2 |
AROs at June 30, 2019 (4) |  | $ | 88 |
(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 $ 76 million and $ 78 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.

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- Definition Tabular disclosure of the changes in carrying amount of a liability for asset retirement obligations, for changes such as new obligations, changes in estimates of existing obligations, spending on existing obligations, property dispositions, and foreign currency translation. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 410 -SubTopic 30 -Section 50 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=6393242&loc=d3e13201-110859 + Details
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