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Condensed Consolidated Statements of Changes in Equity - Duke Energy Carolinas - USD ($)
$ in Millions
Total
Duke Energy Carolinas
Duke Energy Carolinas
Member's Equity
Duke Energy Carolinas
Net Losses on Cash Flow Hedges
Beginning Balance (Parent) at Dec. 31, 2023 $ 50,187 $ 16,907 $ 16,913 $ (6)
Increase (Decrease) in Stockholders' Equity [Roll Forward]        
Net income (loss) 1,138 430 430  
Ending Balance (Parent) at Mar. 31, 2024 50,638 17,337 17,343 (6)
Beginning Balance (Parent) at Dec. 31, 2024 51,256 17,840 17,846 (6)
Increase (Decrease) in Stockholders' Equity [Roll Forward]        
Net income (loss) 1,379 513 513  
Ending Balance (Parent) at Mar. 31, 2025 $ 51,794 $ 18,353 $ 18,359 $ (6)