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Earnings Per Common Share (Unit) - Additional Information (Detail) - HOST HOTELS & RESORTS L.P. - Redeemable Non Controlling Interests - shares shares in Millions | Sep. 30, 2024 | Dec. 31, 2023
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Financial Instruments Subject to Mandatory Redemption by Settlement Terms [Line Items] |  |
Common units outstanding (in shares) | 9.3 | 9.5
Number of common shares if converted (in shares) | 9.5 |

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- Definition Shares If Units Of Partnership Converted, Amount + References No definition available. + Details
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Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | instant

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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 No definition available. + Details
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Period Type: | duration

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- Definition The number of units or equivalent units outstanding for all classes. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 505 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 5 -Subparagraph (SAB Topic 4.F) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480008/505-10-S99-5 + Details
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Period Type: | instant

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- Details
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Namespace Prefix: |
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- Details
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