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v3.22.1

Schedule of Acquisitions of Solar Projects (Detail) $ in Millions | 3 Months Ended
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Mar. 31, 2022 USD ($) MW | Mar. 31, 2021 USD ($)
Property Plant And Equipment [Line Items] |  |  |
Project Cost |  | $ 37 | $ 23
Acquisition of Solar Project Madison in Virginia |  |  |
Property Plant And Equipment [Line Items] |  |  |
Date Agreement Entered |  | 2020-07 |
Date Agreement Closed |  | 2020-07 |
Project Cost | [1] | $ 130 |
Date of Commercial Operations |  | Expected 2023 |
MW Capacity | MW |  | 62 |
Acquisition of Solar Project Atlanta Farms in Ohio |  |  |
Property Plant And Equipment [Line Items] |  |  |
Date Agreement Entered |  | 2022-03 |
Date Agreement Closed |  | Expected 2022 |
Project Cost | [1] | $ 390 |
Date of Commercial Operations |  | Expected 2023 |
MW Capacity | MW |  | 200 |
Acquisition of Solar Project Hardin II in Ohio |  |  |
Property Plant And Equipment [Line Items] |  |  |
Date Agreement Entered |  | 2020-08 |
Date Agreement Closed |  | Expected 2022 |
Project Cost | [1] | $ 295 |
Date of Commercial Operations | [2] | Expected split |
MW Capacity | MW |  | 150 |
Virginia Electric and Power Company |  |  |
Property Plant And Equipment [Line Items] |  |  |
Project Cost |  | $ 37 | $ 10
Virginia Electric and Power Company | Acquisition of Solar Project Pumpkinseed in Virginia |  |  |
Property Plant And Equipment [Line Items] |  |  |
Date Agreement Entered |  | 2020-05 |
Date Agreement Closed |  | 2020-05 |
Project Cost | [1] | $ 140 |
Date of Commercial Operations |  | Expected 2022 |
MW Capacity | MW |  | 60 |
Virginia Electric and Power Company | Acquisition of Solar Project Bookers Mill in Virginia |  |  |
Property Plant And Equipment [Line Items] |  |  |
Date Agreement Entered |  | 2021-02 |
Date Agreement Closed |  | 2021-06 |
Project Cost | [1] | $ 230 |
Date of Commercial Operations |  | Expected 2023 |
MW Capacity | MW |  | 127 |
[1] | Includes acquisition cost
[2] | Expected to be split between 2022 and 2023.

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- Definition The cash outflow from the amount invested for projects in hopes of getting a future return or interest from it. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 13 -URI http://asc.fasb.org/extlink&oid=123570139&loc=d3e3213-108585 + Details
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