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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
Jun. 30, 2024
Dec. 31, 2023
Shares Subject to Mandatory Redemption by Settlement Terms [Line Items]    
Common units outstanding 9.4 9.5
Number of common shares if converted (in shares) 9.6