v3.26.1
Earnings Per Share (Details) - USD ($)
$ / shares in Units, shares in Millions, $ in Millions
3 Months Ended 6 Months Ended
Jun. 30, 2026
Mar. 31, 2026
Jun. 30, 2025
Mar. 31, 2025
Jun. 30, 2026
Jun. 30, 2025
Basic Earnings per Share            
Net Income Attributable to DTE Energy Company $ 282 $ 247 $ 229 $ 445 $ 529 $ 674
Less: Allocation of earnings to net restricted stock awards 2   1   2 2
Net income available to common shareholders — basic $ 280   $ 228   $ 527 $ 672
Average number of common shares outstanding — basic (in shares) 208   207   208 207
Basic Earnings per Common Share (in dollars per share) $ 1.35   $ 1.10   $ 2.54 $ 3.25
Diluted Earnings per Share            
Net Income Attributable to DTE Energy Company $ 282 $ 247 $ 229 $ 445 $ 529 $ 674
Less: Allocation of earnings to net restricted stock awards 2   1   2 2
Net income available to common shareholders — diluted $ 280   $ 228   $ 527 $ 672
Average number of common shares outstanding — basic (in shares) 208   207   208 207
Average number of common shares outstanding — diluted (in shares) 208   207   208 207
Diluted Earnings per Common Share (in dollars per share) $ 1.35   $ 1.10   $ 2.53 $ 3.24