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Archstone Acquisition (Details 2) (Archstone) | Feb. 27, 2013
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Archstone |
Business Acquisition Investment in Consolidated Entities [Abstract] |
Percentage of assets and liabilities acquired | 40.00%us-gaap_BusinessAcquisitionPercentageOfVotingInterestsAcquired / us-gaap_BusinessAcquisitionAxis = avb_ArchstoneEnterpriseLPMember

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- Details
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Namespace Prefix: | avb_
Data Type: | xbrli:stringItemType
Balance Type: | na
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- Definition Percentage of voting equity interests acquired at the acquisition date in the business combination. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=25497992&loc=d3e1392-128463 + Details
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Namespace Prefix: | us-gaap_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant