Consolidated Balance Sheets (Parenthetical) - shares shares in Millions	Dec. 31, 2024	Dec. 31, 2023
Statement of Financial Position [Abstract]
Treasury Stock, shares	2.7	4.9
Common stock, shares authorized	350.0	350.0
Common stock, shares issued	80.4	87.5
Common stock, shares outstanding	77.7	82.6

The maximum number of common shares permitted to be issued by an entity's charter and bylaws.

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Total number of common shares of an entity that have been sold or granted to shareholders (includes common shares that were issued, repurchased and remain in the treasury). These shares represent capital invested by the firm's shareholders and owners, and may be all or only a portion of the number of shares authorized. Shares issued include shares outstanding and shares held in the treasury.

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Number of shares of common stock outstanding. Common stock represent the ownership interest in a corporation.

+ References

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-Section 50
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Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
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Number of previously issued common shares repurchased by the issuing entity and held in treasury.

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