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Earnings Per Common Share (Unit) - Additional Information (Details) - HOST HOTELS & RESORTS L.P. - Redeemable Non Controlling Interests - shares shares in Millions | Sep. 30, 2025 | Dec. 31, 2024
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Financial Instruments Subject to Mandatory Redemption by Settlement Terms [Line Items] |  |
Common units outstanding (in shares) | 8.6 | 9.2
Number of common shares if converted (in shares) | 8.8 |

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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. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 480 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147481648/480-10-50-1 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 480 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 4 -Publisher FASB -URI https://asc.fasb.org/1943274/2147481648/480-10-50-4 + Details
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- Details
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