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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
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

X

- Definition

Shares If Units Of Partnership Converted, Amount

+ References

No definition available.

+ Details

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Balance Type:	na
Period Type:	instant

X

- 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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Balance Type:	na
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X

- 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

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- Details

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- Details

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