Nasdaq Stockholders' Equity (Common Stock in Treasury) (Details) - Share repurchase program $ / shares in Units, $ in Millions |
9 Months Ended |
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Sep. 30, 2026
USD ($)
$ / shares
shares
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| Dividends Payable [Line Items] | |
| Number of shares of common stock repurchased (in shares) | shares | 13,960,673 |
| Average price paid per share (in dollars per share) | $ / shares | $ 87.82 |
| Total purchase price (in millions) | $ | $ 1,226 |
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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/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 Total cost of shares repurchased divided by the total number of shares repurchased. No definition available.
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- Definition Equity impact of the cost of common and preferred stock that were repurchased during the period. Recorded using the par value method. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Details
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