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Income/(Loss) Per Share (Tables) | 12 Months Ended
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Dec. 31, 2024
Earnings Per Share [Abstract] |
Reconciliation of NRG's Basic and Diluted Income per Share | The reconciliation of NRG's basic and diluted income/(loss) per share is shown in the following table:
| Year Ended December 31,
(In millions, except per share amounts) | 2024 |  | 2023 |  | 2022
Basic income/(loss) per share: |  |  |  |  |
Net income/(loss) | $ | 1,125 |  |  | $ | (202) |  |  | $ | 1,221 |
Less: Cumulative dividends attributable to Series A Preferred Stock | 67 |  |  | 54 |  |  | — |
Income/(Loss) Available to Common Stockholders | $ | 1,058 |  |  | $ | (256) |  |  | $ | 1,221 |
Weighted average number of common shares outstanding - basic | 206 |  |  | 228 |  |  | 236 |
Income/(Loss) per weighted average common share — basic | $ | 5.14 |  |  | $ | (1.12) |  |  | $ | 5.17 |
Diluted income/(loss) per share: |  |  |  |  |
Net income/(loss) | $ | 1,125 |  |  | $ | (202) |  |  | $ | 1,221 |
Less: Cumulative dividends attributable to Series A Preferred Stock | 67 |  |  | 54 |  |  | — |
Income/(Loss) Available to Common Stockholders | $ | 1,058 |  |  | $ | (256) |  |  | $ | 1,221 |
Weighted average number of common shares outstanding - basic | 206 |  |  | 228 |  |  | 236 |
Incremental shares attributable to the issuance of equity compensation (treasury stock method) | 3 |  |  | — |  |  | — |
Incremental shares attributable to the potential share settlement of Convertible Senior Notes (if converted method) | 3 |  |  | — |  |  | — |
Weighted average number of common shares outstanding - diluted | 212 |  |  | 228 |  |  | 236 |
Income/(Loss) per weighted average common share — diluted | $ | 4.99 |  |  | $ | (1.12) |  |  | $ | 5.17 |

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- Definition Tabular disclosure of an entity's basic and diluted earnings per share calculations, including a reconciliation of numerators and denominators of the basic and diluted per-share computations for income from continuing operations. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 260 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482662/260-10-50-1 + Details
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