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Loss Contingency, Claims Filed, Number, Consolidated

No definition available.

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Loss Contingency Class Action Claims Filed, Additional, Number

No definition available.

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Loss Contingency Class Action Claims Filed, Number of Apartments Included in Settlement

No definition available.

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Loss Contingency Class Action Claims Filed, Number of Apartments Included in Settlement Remaining

No definition available.

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Loss Contingency Class Action Claims Filed, Number of Apartments Included in Settlement Submitted

No definition available.

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Loss Contingency Class Action Claims Filed, Number of Apartments Included in Settlement Submitted Amount

No definition available.

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Loss Contingency Class Action Claims Filed, Number of Apartments Issued Awards By Claims Adjuster

No definition available.

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Loss Contingency Class Action Claims Filed, Number of Apartments in Settlement, Number of Lawsuits Remaining

No definition available.

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Loss Contingency Class Action Claims Filed, Number of Apartments in Settlement Previously Resolved

No definition available.

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Loss Contingency Class Action Claims Filed, Number of Apartments in Settlement Resolved

No definition available.

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Loss Contingency New Class Action Claims Filed Number

No definition available.

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Loss Contingency New Subrogation Claims Filed Number

No definition available.

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Loss Contingency Subrogation Claims Dismissed Number

No definition available.

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Loss Contingency Subrogation Claims Filed Pending Not Dismissed Number

No definition available.

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Loss Contingency Subrogation Claims Filed Pending Number

No definition available.

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Loss Contingency Subrogation Claims Filed Resolved Number

No definition available.

Name:	avb_LossContingencySubrogationClaimsFiledResolvedNumber
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Number of commercial properties owned.

No definition available.

Name:	avb_NumberOfCommercialPropertiesOwned
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Represents the number of leased properties accounted for as operating leases.

No definition available.

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Number of leased properties that have purchase options.

No definition available.

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Number of operating apartment communities owned (or in which a direct or indirect ownership interest is held).

No definition available.

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Number of Dual Branded Properties with Operating Land Leases

No definition available.

Name:	avb_NumberofDualBrandedPropertieswithOperatingLandLeases
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Balance Type:	na
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Number of Office Leases

No definition available.

Name:	avb_NumberofOfficeLeases
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Number of Operating Apartment Communities Under Construction

No definition available.

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Number of Operating Land Leases for Dual Branded Properties

No definition available.

Name:	avb_NumberofOperatingLandLeasesforDualBrandedProperties
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Represents the sum of the age of an employee at Retirement plus years of employment with the entity, which is considered as a criterion for Retirement.

No definition available.

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Represents the compensation (base salary plus annual cash bonus) multiplier considered for executives terminated.

No definition available.

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Represents the time period that an employee will have to exercise any options held upon termination without cause or retirement.

No definition available.

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Represents the period of the non-compete agreement entered into by an employee.

No definition available.

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Represents the minimum period of written notice to be provided by an employee for communicating his intention to retire.

No definition available.

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Represents the age of an employee that is considered for Retirement, which results in vesting of the equity-based payment award.

No definition available.

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Represents the period following a sale within which if an employee, not covered by a severance agreement, terminates his employment, receives a lump sum payment.

No definition available.

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Amount equal to the present value (the principal) at the beginning of the lease term of minimum lease payments during the lease term (excluding that portion of the payments representing executory costs such as insurance, maintenance, and taxes to be paid by the lessor, together with any profit thereon) net of payments or other amounts applied to the principal through the balance sheet date.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 840
-SubTopic 30
-Section 50
-Paragraph 1
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=84164817&loc=d3e45280-112737

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(22))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 944
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-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-03(a)(16))
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Amount before accumulated depreciation of leased physical assets used in the normal conduct of business to produce goods and services.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 840
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-Paragraph 1
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Amount of gain (loss) on sale or disposal of other assets.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
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Amount of rent expense incurred for leased assets, including but not limited to, furniture and equipment, that is not directly or indirectly associated with the manufacture, sale or creation of a product or product line.

No definition available.

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The total number of new claims filed pertaining to a loss contingency during the period.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 450
-SubTopic 20
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Number of plaintiffs that have filed claims pertaining to a loss contingency.

No definition available.

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The cash outflow associated with the purchase of other real estate investments held by the entity for investment purposes not otherwise defined in the taxonomy.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
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-Section 45
-Paragraph 13
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Cash received for the settlement of litigation during the current period.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 25
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The cash outflow for the obligation for a lease meeting the criteria for capitalization (with maturities exceeding one year or beyond the operating cycle of the entity, if longer).

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
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-Section 45
-Paragraph 15
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Estimated period over which an employee is required to provide service in exchange for the equity-based payment award, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
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