ACQUISITIONS - Purchase Consideration Matterport Acquisition (Details) - Matterport - USD ($) shares in Millions, $ in Millions |
3 Months Ended | |
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Feb. 28, 2025 |
Mar. 31, 2026 |
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| Business Combination [Line Items] | ||
| Cash | $ 902 | |
| CoStar Group Shares (11.7 million shares) | $ 881 | |
| Equity interest issued for acquisition (in shares) | 11.7 | |
| Fair value of rollover awards | $ 273 | $ 144 |
| Total | $ 1,927 |
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- Definition Business Acquisition, Replacement Equity Awards, Fair Value No definition available.
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- Definition Number of shares of equity interest issued or issuable by acquirer as part of consideration transferred in business combination. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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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 of consideration transferred, consisting of acquisition-date fair value of assets transferred by the acquirer, liabilities incurred by the acquirer, and equity interest issued by the acquirer. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition Amount of equity interests of the acquirer, including instruments or interests issued or issuable in consideration for the business combination. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition The cash outflow associated with the acquisition of business during the period. The cash portion only of the acquisition price. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Details
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