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CONSOLIDATED BALANCE SHEETS - I&M (Parenthetical) - USD ($) $ in Millions | Dec. 31, 2024 | Dec. 31, 2023
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Common Stock – Shares Authorized (in shares) | 600,000,000 | 600,000,000
Long-term Debt Due Within One Year – Nonaffiliated | $ 3,335.0 | $ 2,490.5
INDIANA MICHIGAN POWER COMPANY |  |
Common Stock – Shares Authorized (in shares) | 2,500,000 | 2,500,000
Common Stock – Shares Outstanding (in shares) | 1,400,000 | 1,400,000
Long-term Debt Due Within One Year – Nonaffiliated | $ 269.2 | $ 83.7
INDIANA MICHIGAN POWER COMPANY | DCC Fuel |  |
Long-term Debt Due Within One Year – Nonaffiliated | $ 79.0 | $ 81.4

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