Equity of Host Inc. and Capital of Host L.P. - Common Dividend Declared Per Share (Details) - $ / shares		12 Months Ended
Feb. 16, 2022	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Equity [Abstract]
Cash dividend	$ 0.03	$ 0	$ 0.20	$ 0.85
Common OP units		$ 0	$ 0.204	$ 0.868

Cash dividends declared or paid to each outstanding limited partnership unit during the reporting period.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section S99
-Paragraph 5
-Subparagraph (SAB Topic 4.F)
-URI http://asc.fasb.org/extlink&oid=120397183&loc=d3e187171-122770

Name:	us-gaap_DistributionsPerLimitedPartnershipUnitOutstanding
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:perShareItemType
Balance Type:	na
Period Type:	duration