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Earnings Per Share | 12 Months Ended
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Dec. 31, 2022
Earnings Per Share [Abstract] |
Earnings Per Share | EARNINGS PER SHARE Basic earnings per share is calculated by dividing net income, adjusted for income allocated to participating securities, by the weighted average number of common shares outstanding during the period. Diluted earnings per share reflect the dilution that would occur if any potentially dilutive instruments were exercised or converted into common shares. DTE Energy's participating securities are restricted shares under the stock incentive program that contain rights to receive non-forfeitable dividends. Equity units and performance shares do not receive cash dividends; as such, these awards are not considered participating securities. For additional information regarding equity units and performance shares, see Notes 14 and 21 to the Consolidated Financial Statements, "Long-Term Debt" and "Stock-Based Compensation," respectively. The following is a reconciliation of DTE Energy's basic and diluted income per share calculation for the years ended December 31:
| 2022 |  | 2021 |  | 2020
| (In millions, except per share amounts)
Basic Earnings per Share |  |  |  |  |
Net Income Attributable to DTE Energy Company — continuing operations | $ | 1,083 |  |  | $ | 796 |  |  | $ | 1,054 |
Less: Allocation of earnings to net restricted stock awards | 3 |  |  | 2 |  |  | 2 |
| $ | 1,080 |  |  | $ | 794 |  |  | $ | 1,052 |
Net Income Attributable to DTE Energy Company — discontinued operations | — |  |  | 111 |  |  | 314 |
Net income available to common shareholders — basic | $ | 1,080 |  |  | $ | 905 |  |  | $ | 1,366 |
Average number of common shares outstanding — basic | 195 |  |  | 193 |  |  | 193 |
Income from continuing operations | $ | 5.53 |  |  | $ | 4.11 |  |  | $ | 5.46 |
Income from discontinued operations | — |  |  | 0.57 |  |  | 1.63 |
Basic Earnings per Common Share | $ | 5.53 |  |  | $ | 4.68 |  |  | $ | 7.09 |
Diluted Earnings per Share |  |  |  |  |
Net Income Attributable to DTE Energy Company — continuing operations | $ | 1,083 |  |  | $ | 796 |  |  | $ | 1,054 |
Less: Allocation of earnings to net restricted stock awards | 3 |  |  | 2 |  |  | 2 |
| $ | 1,080 |  |  | $ | 794 |  |  | $ | 1,052 |
Net Income Attributable to DTE Energy Company — discontinued operations | — |  |  | 111 |  |  | 314 |
Net income available to common shareholders — diluted | $ | 1,080 |  |  | $ | 905 |  |  | $ | 1,366 |
Average number of common shares outstanding — basic | 195 |  |  | 193 |  |  | 193 |
Average dilutive equity units and performance share awards | 1 |  |  | 1 |  |  | — |
Average number of common shares outstanding — diluted | 196 |  |  | 194 |  |  | 193 |
Income from continuing operations | $ | 5.52 |  |  | $ | 4.10 |  |  | $ | 5.45 |
Income from discontinued operations | — |  |  | 0.57 |  |  | 1.63 |
Diluted Earnings per Common Share(a) | $ | 5.52 |  |  | $ | 4.67 |  |  | $ | 7.08 |
_______________________________________ (a)Equity units excluded from the calculation of diluted EPS were approximately 11.5 million and 10.3 million for the years ended December 31, 2021 and 2020, respectively, as the dilutive stock price threshold was not met. These equity units were settled in November 2022 resulting in the issuance of common stock. For more information regarding equity units, see Note 14 to the Consolidated Financial Statements, "Long-Term Debt."

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