Stockholders' Equity - Common Stock Shares Activity (Details) - shares shares in Millions |
3 Months Ended | |
|---|---|---|
Mar. 31, 2026 |
Mar. 31, 2025 |
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| Increase (Decrease) in Stockholders' Equity [Roll Forward] | ||
| Purchases of treasury stock | (7.8) | (4.7) |
| Common Stock | Class A | ||
| Increase (Decrease) in Stockholders' Equity [Roll Forward] | ||
| Balance at beginning of period | 887.3 | 906.6 |
| Purchases of treasury stock | (7.8) | (4.7) |
| Share-based payments | 0.8 | 1.1 |
| Conversion of Class B to Class A common stock | 0.0 | 0.0 |
| Balance at end of period | 880.3 | 903.0 |
| Common Stock | Class B | ||
| Increase (Decrease) in Stockholders' Equity [Roll Forward] | ||
| Balance at beginning of period | 6.6 | 6.8 |
| Purchases of treasury stock | 0.0 | 0.0 |
| Share-based payments | 0.0 | 0.0 |
| Conversion of Class B to Class A common stock | 0.0 | 0.0 |
| Balance at end of period | 6.6 | 6.8 |
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- Definition Adjustments to Additional Paid in Capital, Share-based Compensation, Requisite Service Period Recognition, shares No definition available.
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- Definition The number of shares converted in a noncash (or part noncash) transaction. Noncash is defined as transactions during a period that do not result in cash receipts or cash payments in the period. "Part noncash" refers to that portion of the transaction not resulting in cash receipts or cash payments in the period. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period. No definition available.
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- Definition Number of shares issued which are neither cancelled nor held in the treasury. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Number of shares that have been repurchased during the period and are being held in treasury. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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