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Real Estate Disposition Activities (Details) | Mar. 31, 2018 community
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Summary of income from discontinued operations |
Number of Communities Held for Sale | 2

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- Definition Number of Communities Held for Sale + References No definition available. + Details
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Namespace Prefix: | avb_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant

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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
Name: | us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration