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Earnings Per Share (Tables)
 12 Months Ended
Dec. 31, 2023
Earnings Per Share [Abstract]  
Schedule of Earnings Per Share, Basic and Diluted
The following is a reconciliation of DTE Energy's basic and diluted income per share calculation for the years ended December 31:
202320222021
(In millions, except per share amounts)
Basic Earnings per Share
Net Income Attributable to DTE Energy Company — continuing operations$1,397 $1,083 $796 
Less: Allocation of earnings to net restricted stock awards3 3 2 
$1,394 $1,080 $794 
Net Income Attributable to DTE Energy Company — discontinued operations— — 111 
Net income available to common shareholders — basic$1,394 $1,080 $905 
Average number of common shares outstanding — basic206 195 193 
Income from continuing operations$6.77 $5.53 $4.11 
Income from discontinued operations— — 0.57 
Basic Earnings per Common Share$6.77 $5.53 $4.68 
Diluted Earnings per Share
Net Income Attributable to DTE Energy Company — continuing operations$1,397 $1,083 $796 
Less: Allocation of earnings to net restricted stock awards3 3 2 
$1,394 $1,080 $794 
Net Income Attributable to DTE Energy Company — discontinued operations— — 111 
Net income available to common shareholders — diluted$1,394 $1,080 $905 
Average number of common shares outstanding — basic206 195 193 
    Average performance share awards— 1 1 
Average number of common shares outstanding — diluted206 196 194 
Income from continuing operations$6.76 $5.52 $4.10 
Income from discontinued operations— — 0.57 
Diluted Earnings per Common Share(a)
$6.76 $5.52 $4.67 
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(a)Equity units excluded from the calculation of diluted EPS were approximately 11.5 million for the year ended December 31, 2021, as the dilutive stock price threshold was not met. These equity units were settled in November 2022 resulting in the issuance of common stock.