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Earnings Per Share (Tables)
3 Months Ended
Mar. 31, 2020
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:
 
Three Months Ended March 31,
 
2020
 
2019
 
(In millions, except per share amounts)
Basic Earnings per Share
 
 
 
Net Income Attributable to DTE Energy Company
$
340

 
$
401

Less: Allocation of earnings to net restricted stock awards
1

 
1

Net income available to common shareholders — basic
$
339

 
$
400

 
 
 
 
Average number of common shares outstanding — basic
192

 
182

Basic Earnings per Common Share
$
1.77

 
$
2.20

 
 
 
 
Diluted Earnings per Share
 
 
 
Net Income Attributable to DTE Energy Company
$
340

 
$
401

Less: Allocation of earnings to net restricted stock awards
1

 
1

Net income available to common shareholders — diluted
$
339

 
$
400

 
 
 
 
Average number of common shares outstanding — basic
192

 
182

Incremental shares attributable to:
 
 
 
Average dilutive equity units, performance share awards, and stock options

 
1

Average number of common shares outstanding — diluted
192

 
183

Diluted Earnings per Common Share(a)
$
1.76

 
$
2.19

_______________________________________
(a)
Equity Units excluded from the calculation of diluted EPS were approximately 9.7 million for the three months ended March 31, 2020 as the dilutive stock price threshold was not met.