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v3.22.1

Investments in Affiliates and Other Entities (Details) mile in Thousands, $ in Millions | 3 Months Ended |  |  |
--- | --- | --- | --- | ---
Mar. 31, 2022 USD ($) | Jun. 30, 2020 mile | Dec. 31, 2021 USD ($) | Oct. 31, 2021 | Mar. 31, 2021 USD ($)
Summary Of Significant Accounting Policies [Line Items] |  |  |  |  |
Equity method investments | $ 123.3 |  | $ 101.2 |  |
Length of electric transmission and distribution system | mile |  | 18 |  |  |
Investment balance | 28.1 |  | 130.2 |  |
Equity security fair value | 83.1 |  |  |  |
Decrease in fair value | (8.4) |  |  |  |
Investment in real estate | 23.2 |  |  |  | $ 23.5
LUMA Energy, LLC |  |  |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |  |  |
Term of operation and maintenance agreement |  | 15 years |  |  |
Integral Affiliates |  |  |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |  |  |
Due from related parties | 54.9 |  |  |  |
Due to related parties | 62.0 |  |  |  |
Revenue from related parties | 25.1 |  |  |  |
Related party cost of sales | 50.4 |  |  |  |
Integral Unconsolidated Affiliates |  |  |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |  |  |
Equity method investments | 33.7 |  |  |  |
Equity interest |  |  |  | 44.00% |
LUMA Energy, LLC |  |  |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |  |  |
Equity method investments | $ 39.9 |  | $ 30.6 |  |
Equity interest | 50.00% |  |  |  |
Broadband Technology Provider |  |  |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |  |  |
Cost method investments |  |  |  |  | $ 90.0
Technology Incubation Company |  |  |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |  |  |
Cost method investments, gain on sale | $ 6.7 |  |  |  |
Cost method investments, gain on sale, after tax | 5.0 |  |  |  |
Starry Group Holdings, Inc. |  |  |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |  |  |
Payments to acquire equity securities | $ 1.5 |  |  |  |

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