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Income/(Loss) Per Share (Tables) | 6 Months Ended
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Jun. 30, 2023
Earnings Per Share [Abstract] |
NRG's basic and diluted income/(loss per share | NRG's basic and diluted income/(loss) per share is shown in the following table:
| Three months ended June 30, |  | Six months ended June 30,
(In millions, except per share data) | 2023 |  | 2022 |  | 2023 |  | 2022
Basic income/(loss) per share: |  |  |  |
Net income/(loss) | $ | 308 |  |  | $ | 513 |  |  | $ | (1,027) |  |  | $ | 2,249 |
Less: Cumulative dividends attributable to Series A Preferred Stock | 17 |  |  | — |  |  | 21 |  |  | — |
Net income/(loss) available for common stockholders | $ | 291 |  |  | $ | 513 |  |  | $ | (1,048) |  |  | $ | 2,249 |
Weighted average number of common shares outstanding - basic | 231 |  |  | 237 |  |  | 230 |  |  | 240 |
Income/(loss) per weighted average common share — basic | $ | 1.26 |  |  | $ | 2.16 |  |  | $ | (4.56) |  |  | $ | 9.37 |
Diluted income/(loss) per share: |  |  |  |
Net income/(loss) | $ | 308 |  |  | $ | 513 |  |  | $ | (1,027) |  |  | $ | 2,249 |
Less: Cumulative dividends attributable to Series A Preferred Stock | 17 |  |  | — |  |  | 21 |  |  | — |
Net income/(loss) available for common stockholders | $ | 291 |  |  | $ | 513 |  |  | $ | (1,048) |  |  | $ | 2,249 |
Weighted average number of common shares outstanding - basic | 231 |  |  | 237 |  |  | 230 |  |  | 240 |
Incremental shares attributable to the issuance of equity compensation (treasury stock method) | 1 |  |  | — |  |  | — |  |  | — |
Weighted average number of common shares outstanding - dilutive | 232 |  |  | 237 |  |  | 230 |  |  | 240 |
Income/(loss) per weighted average common share — diluted | $ | 1.25 |  |  | $ | 2.16 |  |  | $ | (4.56) |  |  | $ | 9.37 |
Summary of outstanding equity instruments that are anti-dilutive and were not included in the computation of the Company's diluted income/(loss) per share | The following table summarizes the Company's outstanding equity instruments that are anti-dilutive and were not included in the computation of the Company's diluted income/(loss) per share:
| Three months ended June 30, |  | Six months ended June 30,
(In millions of shares) | 2023 |  | 2022 |  | 2023 |  | 2022
Equity compensation plans | 1 |  |  | — |  |  | 7 |  |  | — |

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- Definition Tabular disclosure of securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) in the future that were not included in the computation of diluted EPS because to do so would increase EPS amounts or decrease loss per share amounts for the period presented, by antidilutive securities. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (c) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482662/260-10-50-1 + Details
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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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