CMS Energy Corporation Consolidated Balance Sheets (Unaudited) (Parenthetical) - USD ($) shares in Millions, $ in Millions |
Jun. 30, 2025 |
Dec. 31, 2024 |
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| Statement of Financial Position [Abstract] | ||
| Accounts receivable and accrued revenue, allowance | $ 30 | $ 23 |
| Common stock authorized (in shares) | 350.0 | 350.0 |
| Common stock outstanding (in shares) | 299.3 | 298.8 |
| Preferred stock authorized (in shares) | 9.2 | 9.2 |
| Preferred stock outstanding (in shares) | 9.2 | 9.2 |
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- Definition Amount of allowance for credit loss on accounts receivable, classified as current. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition The maximum number of common shares permitted to be issued by an entity's charter and bylaws. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Number of shares of common stock outstanding. Common stock represent the ownership interest in a corporation. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition The maximum number of nonredeemable preferred shares (or preferred stock redeemable solely at the option of the issuer) permitted to be issued by an entity's charter and bylaws. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Aggregate share number for all nonredeemable preferred stock (or preferred stock redeemable solely at the option of the issuer) held by stockholders. Does not include preferred shares that have been repurchased. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- References No definition available.
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