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Financings and Capitalization (Schedule of Preferred Stock) (Details) - $ / shares | Dec. 31, 2024 | Dec. 31, 2023
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Debt and Equity Securities, FV-NI [Line Items] |  |
Preferred stock, par value (in dollars per share) | $ 0.01 |
Preferred stock authorized (in shares) | 10,000,000 |
Consumers Energy Company |  |
Debt and Equity Securities, FV-NI [Line Items] |  |
Preferred stock, par value (in dollars per share) | $ 4.50 | $ 4.50
Preferred stock authorized (in shares) | 7,500,000 | 7,500,000
Preferred stock outstanding (in shares) | 400,000 | 400,000
Series C Preferred Stock Depositary Shares |  |
Debt and Equity Securities, FV-NI [Line Items] |  |
Preferred stock, par value (in dollars per share) | $ 25 | $ 25
Optional redemption price (in dollars per share) | $ 25 | $ 25
Preferred stock authorized (in shares) | 9,200,000 | 9,200,000
Preferred stock outstanding (in shares) | 9,200,000 | 9,200,000
Preferred Stock $4.50 Series | Consumers Energy Company |  |
Debt and Equity Securities, FV-NI [Line Items] |  |
Preferred stock, par value (in dollars per share) | $ 100 | $ 100
Optional redemption price (in dollars per share) | $ 110 | $ 110
Preferred stock authorized (in shares) | 7,500,000 | 7,500,000
Preferred stock outstanding (in shares) | 373,148 | 373,148

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- Definition The price per share at which the preferred stock of an entity that has priority over common stock in the distribution of dividends and in the event of liquidation of the entity is redeemed or may be called at. The redemption features of this preferred stock are solely within the control of the issuer. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 3 -Publisher FASB -URI https://asc.fasb.org/1943274/2147481112/505-10-50-3 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 5 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147481112/505-10-50-5 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 11 -Publisher FASB -URI https://asc.fasb.org/1943274/2147481112/505-10-50-11 + Details
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