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Condensed Consolidated Statements of Changes in Equity - Duke Energy Ohio - USD ($)
$ in Millions
Total
Additional Paid-in Capital
Retained Earnings
Duke Energy Ohio
Duke Energy Ohio
Common Stock
Duke Energy Ohio
Additional Paid-in Capital
Duke Energy Ohio
Retained Earnings
Beginning Balance (Attributable to Parent) at Dec. 31, 2022       $ 4,766 $ 762 $ 3,100 $ 904
Increase (Decrease) in Stockholders' Equity [Roll Forward]              
Net income (loss) $ 2,841     334     334
Other (2) $ (7) $ 1        
Ending Balance (Attributable to Parent) at Dec. 31, 2023       5,100 762 3,100 1,238
Increase (Decrease) in Stockholders' Equity [Roll Forward]              
Net income (loss) 4,524     341     341
Other (2)   (2) 18   18 0
Ending Balance (Attributable to Parent) at Dec. 31, 2024 50,127     5,459 762 3,118 1,579
Increase (Decrease) in Stockholders' Equity [Roll Forward]              
Net income (loss) 4,968     338     338
Contribution from parent       100   100  
Other (3)   $ 3 1   1  
Ending Balance (Attributable to Parent) at Dec. 31, 2025 $ 51,842     $ 5,898 $ 762 $ 3,219 $ 1,917