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Condensed Consolidated Statements of Changes in Equity - Duke Energy Progress - USD ($)
$ in Millions
Total
Duke Energy Progress
Duke Energy Progress
Member's Equity
Beginning balance at Dec. 31, 2022     $ 10,309
Increase (Decrease) in Stockholders' Equity [Roll Forward]      
Net income (loss) $ 1,836 $ 677 677
Distributions to parent (2,346)   (500)
Ending balance at Sep. 30, 2023     10,486
Beginning balance at Jun. 30, 2023     10,618
Increase (Decrease) in Stockholders' Equity [Roll Forward]      
Net income (loss) 1,252 368 368
Distributions to parent (793)   (500)
Ending balance at Sep. 30, 2023     10,486
Beginning balance at Dec. 31, 2023   10,807 10,807
Increase (Decrease) in Stockholders' Equity [Roll Forward]      
Net income (loss) 3,319 820 820
Distributions to parent (2,392)    
Ending balance at Sep. 30, 2024   11,627 11,627
Beginning balance at Jun. 30, 2024     11,302
Increase (Decrease) in Stockholders' Equity [Roll Forward]      
Net income (loss) 1,281 325 325
Distributions to parent $ (806)    
Ending balance at Sep. 30, 2024   $ 11,627 $ 11,627