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Leases (Lease Assets and Liabilities Recorded in Consolidated Balance Sheets) (Detail) - USD ($) $ in Millions | Jun. 30, 2019 | Jan. 01, 2019 | Dec. 31, 2018
--- | --- | --- | ---
Lessee Lease Disclosure [Line Items] |  |  |  |
Operating lease assets |  | $ 468 | $ 504 |
Finance lease assets | [1] | 87 |  |
Total lease assets |  | 555 |  |
Operating lease liabilities - current | [2] | 59 |  |
Finance lease liabilities - current | [3] | 15 |  |
Total lease liabilities - current |  | 74 |  |
Operating lease liabilities - noncurrent |  | 404 |  | $ 0
Finance lease liabilities - noncurrent | [4] | 72 |  |
Total lease liabilities - noncurrent |  | 476 |  |
Total lease liabilities |  | 550 |  |
Virginia Electric and Power Company |  |  |  |
Lessee Lease Disclosure [Line Items] |  |  |  |
Operating lease assets |  | 191 | 209 |
Finance lease assets | [1] | 11 |  |
Total lease assets |  | 202 |  |
Operating lease liabilities - current | [2] | 31 |  |
Finance lease liabilities - current | [3] | 2 |  |
Total lease liabilities - current |  | 33 |  |
Operating lease liabilities - noncurrent |  | 158 |  |
Finance lease liabilities - noncurrent | [4] | 8 |  |
Total lease liabilities - noncurrent |  | 166 |  |
Total lease liabilities |  | 199 |  |
Dominion Energy Gas Holdings, LLC |  |  |  |
Lessee Lease Disclosure [Line Items] |  |  |  |
Operating lease assets |  | 39 | $ 64 |
Finance lease assets | [1] | 3 |  |
Total lease assets | [5] | 42 |  |
Operating lease liabilities - current | [2] | 6 |  |
Finance lease liabilities - current | [3] |  |  |
Total lease liabilities - current |  | 6 |  |
Operating lease liabilities - noncurrent |  | 32 |  |
Finance lease liabilities - noncurrent | [4] | 3 |  |
Total lease liabilities - noncurrent |  | 35 |  |
Total lease liabilities | [5] | $ 41 |  |
[1] | Included in property, plant and equipment in the Companies’ Consolidated Balance Sheets, net of $32 million, $2 million and $1 million of accumulated amortization at Dominion Energy, Virginia Power and Dominion Energy Gas, respectively, at June 30, 2019.
[2] | Included in other current liabilities in the Companies’ Consolidated Balance Sheets.
[3] | Included in securities due within one year in the Companies’ Consolidated Balance Sheets.
[4] | Included in long-term debt in the Companies’ Consolidated Balance Sheets.
[5] | Excludes $24 million of lease assets recorded in assets of discontinued operations and $25 million of lease liabilities recorded in liabilities of discontinued operations.

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