Stockholders’ Deficit - Stock repurchase program (Narrative) (Details) - USD ($) shares in Millions, $ in Millions |
3 Months Ended | 6 Months Ended | ||
|---|---|---|---|---|
Jun. 30, 2026 |
Jun. 30, 2025 |
Jun. 30, 2026 |
Jun. 30, 2025 |
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| Class of Stock [Line Items] | ||||
| Stock repurchase program, remaining authorized amount | $ 1,400.0 | $ 1,400.0 | ||
| Stock repurchase program, additional authorized amount | 900.0 | 900.0 | ||
| Stock repurchased and retired during period, aggregate purchase price | $ 318.0 | $ 403.0 | $ 688.0 | $ 907.0 |
| Class A | ||||
| Class of Stock [Line Items] | ||||
| Stock repurchased and retired during period (in shares) | 12.6 | 14.2 | 26.9 | 32.2 |
| Stock repurchased and retired during period, aggregate purchase price | $ 318.0 | $ 403.0 | $ 688.0 | $ 907.0 |
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- Definition Share Repurchase Program, Authorized, Additional Amount No definition available.
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount remaining authorized for purchase of share under share repurchase plan. Includes, but is not limited to, repurchase of stock and unit of ownership. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Number of shares that have been repurchased and retired during the period. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Equity impact of the value of stock that has been repurchased and retired during the period. The excess of the purchase price over par value can be charged against retained earnings (once the excess is fully allocated to additional paid in capital). Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Details
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