XML 54 R38.htm IDEA: XBRL DOCUMENT
v3.24.2.u1

Organization - Additional Information (Detail) | Jun. 30, 2024
--- | ---
Host L.P. |
Organization Consolidation and Presentation of Financial Statements Disclosure [Line Items] |
Percentage of the common OP units | 99.00%

X
- Definition Organization consolidation and presentation of financial statements disclosure. + References No definition available. + Details
Name: | hst_OrganizationConsolidationAndPresentationOfFinancialStatementsDisclosureLineItems
Namespace Prefix: | hst_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The parent entity's interest in net assets of the subsidiary, expressed as a percentage. + References No definition available. + Details
Name: | us-gaap_MinorityInterestOwnershipPercentageByParent
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | instant

X
- Details
Name: | srt_OwnershipAxis=hst_HostLimitedPartnershipInterestMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |