Organization - Additional Information (Detail)	Sep. 30, 2018 Hotel Fund Country JointVenture
Organization Consolidation And Presentation Of Financial Statements Disclosure [Line Items]
Number of hotels	93
Other Joint Venture
Organization Consolidation And Presentation Of Financial Statements Disclosure [Line Items]
Number of hotels	10
Number of joint ventures \| JointVenture	6
European Joint Venture
Organization Consolidation And Presentation Of Financial Statements Disclosure [Line Items]
Investment ownership percentage	33.00%
Number of hotels	11
Number of funds \| Fund	2
Foreign operations, number of countries \| Country	7
HOST HOTELS & RESORTS, INC.
Organization Consolidation And Presentation Of Financial Statements Disclosure [Line Items]
Percentage of the common OP units	99.00%

Number of funds.

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- Definition

Number of joint ventures.

+ References

No definition available.

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- Definition

Organization consolidation and presentation of financial statements disclosure.

+ References

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- Definition

The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 323
-SubTopic 10
-Section 50
-Paragraph 3
-Subparagraph (a)(1)
-URI http://asc.fasb.org/extlink&oid=114001798&loc=d3e33918-111571

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- Definition

The parent entity's interest in net assets of the subsidiary, expressed as a percentage.

+ References

No definition available.

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- Definition

The number of countries in which the entity operates as of balance sheet date.

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- Definition

The number of real estate properties owned as of the balance sheet date.

+ References

No definition available.

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