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Condensed Consolidated Statements of Changes in Equity - Duke Energy Ohio - USD ($)
$ in Millions
Total
Common Stock
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 (Parent) at Dec. 31, 2023 $ 50,187 $ 1 $ 44,920 $ 2,235 $ 5,100 $ 762 $ 3,100 $ 1,238
Increase (Decrease) in Stockholders' Equity [Roll Forward]                
Net income (loss) 1,138       94     94
Other 0   1 0        
Ending Balance (Parent) at Mar. 31, 2024 50,638 1 44,937 2,542 5,194 762 3,100 1,332
Beginning Balance (Parent) at Dec. 31, 2024 51,256 1 45,494 3,431 5,459 762 3,118 1,579
Increase (Decrease) in Stockholders' Equity [Roll Forward]                
Net income (loss) 1,379       100     100
Other (2)     4 1   1  
Ending Balance (Parent) at Mar. 31, 2025 $ 51,794 $ 1 $ 45,516 $ 3,986 $ 5,560 $ 762 $ 3,119 $ 1,679