Earnings Per Common Share (Unit) - Additional Information (Detail) - shares shares in Millions	Mar. 31, 2024	Dec. 31, 2023
Shares Subject to Mandatory Redemption by Settlement Terms [Line Items]
Common units outstanding	9.5	9.5
HOST HOTELS & RESORTS L.P. | Redeemable Non Controlling Interests
Shares Subject to Mandatory Redemption by Settlement Terms [Line Items]
Common units outstanding	9.5
Number of common shares if converted	9.7