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Condensed Consolidated Balance Sheets - Duke Energy Ohio (Parenthetical) - USD ($) $ in Millions | Sep. 30, 2025 | Dec. 31, 2024
--- | --- | ---
Allowance for doubtful accounts - receivables | $ 199 | $ 122
Common stock, par value (in usd per share) | $ 0.001 | $ 0.001
Common stock, shares authorized (in shares) | 2,000,000,000 | 2,000,000,000
Common stock, shares outstanding (in shares) | 778,000,000 | 776,000,000
Duke Energy Ohio |  |
Allowance for doubtful accounts - receivables | $ 51 | $ 43
Common stock, par value (in usd per share) | $ 8.50 | $ 8.50
Common stock, shares authorized (in shares) | 120,000,000 | 120,000,000
Common stock, shares outstanding (in shares) | 90,000,000 | 90,000,000

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