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Related Party Transactions (Tables) | 12 Months Ended
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Dec. 31, 2021
Related Party Transactions [Abstract] |
Summary of NRG's material related-party transactions with affiliates | The following table summarizes NRG's material related party transactions with third party affiliates:
| Year Ended December 31,
(In millions) | 2021 |  | 2020 |  | 2019
Revenues from Related Parties Included in Operating Revenues |  |  |  |  |
Gladstone | $ | 4 |  |  | $ | 4 |  |  | $ | 4 |
Ivanpah(a) | 39 |  |  | 43 |  |  | 35 |
Midway-Sunset | 6 |  |  | 5 |  |  | 5 |
Total | $ | 49 |  |  | $ | 52 |  |  | $ | 44 |
(a)Includes fees under project management agreements with each project company

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- Definition Tabular disclosure of related party transactions. Examples of related party transactions include, but are not limited to, transactions between (a) a parent company and its subsidiary; (b) subsidiaries of a common parent; (c) and entity and its principal owners and (d) affiliates. + References No definition available. + Details
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