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Investments in Real Estate Entities (Details) (Unconsolidated real estate entities) | Mar. 31, 2014 entity
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Investment in Real Estate Entities |
Number of unconsolidated real estate entities | 7
Minimum |
Investment in Real Estate Entities |
Ownership interest percentage | 15.20%
Maximum |
Investment in Real Estate Entities |
Ownership interest percentage | 31.30%

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- Definition Represents the number of unconsolidated real estate entities in which the entity had investments as of the balance sheet date. + References No definition available. + Details
Name: | avb_EquityMethodInvestmentNumberOfUnconsolidatedRealEstateEntities
Namespace Prefix: | avb_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant

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- Definition The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 323 -SubTopic 10 -Section 50 -Paragraph 3 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=6382943&loc=d3e33918-111571 + Details
Name: | us-gaap_EquityMethodInvestmentOwnershipPercentage
Namespace Prefix: | us-gaap_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

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- Details
Name: | us-gaap_SignificantAcquisitionsAndDisposalsLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration