Organization, Basis of Presentation, and Significant Accounting Policies - Organization and Basis of Presentation (Details)	Dec. 31, 2024 home community state
Accounting Policies [Abstract]
Number of real estate properties	306
Number of apartment homes included in operating apartment communities owned \| home	93,518
Number of states where operating apartment communities owned are located \| state	12
Number of owned communities under construction	17
Communities under development rights	28
Estimated number of apartment homes in communities to be developed \| home	8,801

Additional number of communities owned (or in which a direct or indirect ownership interest is held) that can be expected to be developed.

No definition available.

Name:	avb_AdditionalNumberofCommunitiesExpectedToBeDeveloped
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Data Type:	xbrli:integerItemType
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Estimated number of apartment homes in communities awaiting development.

No definition available.

Name:	avb_EstimatedNumberOfApartmentHomesInCommunitiesExpectedToBeDeveloped
Namespace Prefix:	avb_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

Number of owned communities (or where a direct or indirect interest is owned) that are under construction.

No definition available.

Name:	avb_NumberOfOwnedCommunitiesUnderConstruction
Namespace Prefix:	avb_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

No definition available.

Name:	us-gaap_AccountingPoliciesAbstract
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Data Type:	xbrli:stringItemType
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The number of real estate properties owned as of the balance sheet date.

No definition available.

Name:	us-gaap_NumberOfRealEstateProperties
Namespace Prefix:	us-gaap_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

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

No definition available.

Name:	us-gaap_NumberOfStatesInWhichEntityOperates
Namespace Prefix:	us-gaap_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

The number of units in a real estate property owned as of the balance sheet date.

No definition available.

Name:	us-gaap_NumberOfUnitsInRealEstateProperty
Namespace Prefix:	us-gaap_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant