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Stock-Based Compensation Plans (Details) (USD $) | 12 Months Ended
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Dec. 31, 2014 | Dec. 31, 2013 | Dec. 31, 2012
Stock-Based Compensation Plans |  |  |
Common stock, par value (in dollars per share) | $ 0.01 us-gaap_CommonStockParOrStatedValuePerShare | $ 0.01 us-gaap_CommonStockParOrStatedValuePerShare |
Shares |  |  |
Exercised (in shares) | (500,197)us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised |  |
Granted (in shares) |  | 215,230 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross | 115,303 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross
2009 Plan |  |  |
Stock-Based Compensation Plans |  |  |
Common stock, par value (in dollars per share) | $ 0.01 us-gaap_CommonStockParOrStatedValuePerShare / us-gaap_PlanNameAxis = avb_StockOptionAndIncentivePlan2009Member |  |
Common stock shares available for grant | 1,673,193 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant / us-gaap_PlanNameAxis = avb_StockOptionAndIncentivePlan2009Member |  |
2009 Plan | Stock Options |  |  |
Shares |  |  |
Options outstanding at the beginning of the period (in shares) | 501,568 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber / us-gaap_AwardTypeAxis = avb_EmployeeAndDirectorsStockOptionsMember / us-gaap_PlanNameAxis = avb_StockOptionAndIncentivePlan2009Member | 307,554 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber / us-gaap_AwardTypeAxis = avb_EmployeeAndDirectorsStockOptionsMember / us-gaap_PlanNameAxis = avb_StockOptionAndIncentivePlan2009Member | 247,403 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber / us-gaap_AwardTypeAxis = avb_EmployeeAndDirectorsStockOptionsMember / us-gaap_PlanNameAxis = avb_StockOptionAndIncentivePlan2009Member
Exercised (in shares) | (157,454)us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised / us-gaap_AwardTypeAxis = avb_EmployeeAndDirectorsStockOptionsMember / us-gaap_PlanNameAxis = avb_StockOptionAndIncentivePlan2009Member | (19,949)us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised / us-gaap_AwardTypeAxis = avb_EmployeeAndDirectorsStockOptionsMember / us-gaap_PlanNameAxis = avb_StockOptionAndIncentivePlan2009Member | (43,265)us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised / us-gaap_AwardTypeAxis = avb_EmployeeAndDirectorsStockOptionsMember / us-gaap_PlanNameAxis = avb_StockOptionAndIncentivePlan2009Member
Granted (in shares) | 0 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross / us-gaap_AwardTypeAxis = avb_EmployeeAndDirectorsStockOptionsMember / us-gaap_PlanNameAxis = avb_StockOptionAndIncentivePlan2009Member | 215,230 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross / us-gaap_AwardTypeAxis = avb_EmployeeAndDirectorsStockOptionsMember / us-gaap_PlanNameAxis = avb_StockOptionAndIncentivePlan2009Member | 115,303 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross / us-gaap_AwardTypeAxis = avb_EmployeeAndDirectorsStockOptionsMember / us-gaap_PlanNameAxis = avb_StockOptionAndIncentivePlan2009Member
Forfeited (in shares) | (4,052)us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod / us-gaap_AwardTypeAxis = avb_EmployeeAndDirectorsStockOptionsMember / us-gaap_PlanNameAxis = avb_StockOptionAndIncentivePlan2009Member | (1,267)us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod / us-gaap_AwardTypeAxis = avb_EmployeeAndDirectorsStockOptionsMember / us-gaap_PlanNameAxis = avb_StockOptionAndIncentivePlan2009Member | (11,887)us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod / us-gaap_AwardTypeAxis = avb_EmployeeAndDirectorsStockOptionsMember / us-gaap_PlanNameAxis = avb_StockOptionAndIncentivePlan2009Member
Options outstanding at the end of the period (in shares) | 340,062 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber / us-gaap_AwardTypeAxis = avb_EmployeeAndDirectorsStockOptionsMember / us-gaap_PlanNameAxis = avb_StockOptionAndIncentivePlan2009Member | 501,568 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber / us-gaap_AwardTypeAxis = avb_EmployeeAndDirectorsStockOptionsMember / us-gaap_PlanNameAxis = avb_StockOptionAndIncentivePlan2009Member | 307,554 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber / us-gaap_AwardTypeAxis = avb_EmployeeAndDirectorsStockOptionsMember / us-gaap_PlanNameAxis = avb_StockOptionAndIncentivePlan2009Member
Options exercisable at the end of the period (in shares) | 185,227 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber / us-gaap_AwardTypeAxis = avb_EmployeeAndDirectorsStockOptionsMember / us-gaap_PlanNameAxis = avb_StockOptionAndIncentivePlan2009Member | 184,167 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber / us-gaap_AwardTypeAxis = avb_EmployeeAndDirectorsStockOptionsMember / us-gaap_PlanNameAxis = avb_StockOptionAndIncentivePlan2009Member | 74,618 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber / us-gaap_AwardTypeAxis = avb_EmployeeAndDirectorsStockOptionsMember / us-gaap_PlanNameAxis = avb_StockOptionAndIncentivePlan2009Member
Weighted average exercise price per share |  |  |
Options outstanding at the beginning of the period (in dollars per share) | $ 120.77 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice / us-gaap_AwardTypeAxis = avb_EmployeeAndDirectorsStockOptionsMember / us-gaap_PlanNameAxis = avb_StockOptionAndIncentivePlan2009Member | $ 112.67 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice / us-gaap_AwardTypeAxis = avb_EmployeeAndDirectorsStockOptionsMember / us-gaap_PlanNameAxis = avb_StockOptionAndIncentivePlan2009Member | 98.42 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice / us-gaap_AwardTypeAxis = avb_EmployeeAndDirectorsStockOptionsMember / us-gaap_PlanNameAxis = avb_StockOptionAndIncentivePlan2009Member
Exercised (in dollars per share) | $ 116.40 us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice / us-gaap_AwardTypeAxis = avb_EmployeeAndDirectorsStockOptionsMember / us-gaap_PlanNameAxis = avb_StockOptionAndIncentivePlan2009Member | $ 84.43 us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice / us-gaap_AwardTypeAxis = avb_EmployeeAndDirectorsStockOptionsMember / us-gaap_PlanNameAxis = avb_StockOptionAndIncentivePlan2009Member | 85.09 us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice / us-gaap_AwardTypeAxis = avb_EmployeeAndDirectorsStockOptionsMember / us-gaap_PlanNameAxis = avb_StockOptionAndIncentivePlan2009Member
Granted (in dollars per share) | $ 0.00 us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice / us-gaap_AwardTypeAxis = avb_EmployeeAndDirectorsStockOptionsMember / us-gaap_PlanNameAxis = avb_StockOptionAndIncentivePlan2009Member | $ 129.03 us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice / us-gaap_AwardTypeAxis = avb_EmployeeAndDirectorsStockOptionsMember / us-gaap_PlanNameAxis = avb_StockOptionAndIncentivePlan2009Member | 133.16 us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice / us-gaap_AwardTypeAxis = avb_EmployeeAndDirectorsStockOptionsMember / us-gaap_PlanNameAxis = avb_StockOptionAndIncentivePlan2009Member
Forfeited (in dollars per share) | $ 131.05 us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsForfeituresInPeriodWeightedAverageExercisePrice / us-gaap_AwardTypeAxis = avb_EmployeeAndDirectorsStockOptionsMember / us-gaap_PlanNameAxis = avb_StockOptionAndIncentivePlan2009Member | $ 131.56 us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsForfeituresInPeriodWeightedAverageExercisePrice / us-gaap_AwardTypeAxis = avb_EmployeeAndDirectorsStockOptionsMember / us-gaap_PlanNameAxis = avb_StockOptionAndIncentivePlan2009Member | 115.15 us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsForfeituresInPeriodWeightedAverageExercisePrice / us-gaap_AwardTypeAxis = avb_EmployeeAndDirectorsStockOptionsMember / us-gaap_PlanNameAxis = avb_StockOptionAndIncentivePlan2009Member
Options outstanding at the end of the period (in dollars per share) | $ 122.67 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice / us-gaap_AwardTypeAxis = avb_EmployeeAndDirectorsStockOptionsMember / us-gaap_PlanNameAxis = avb_StockOptionAndIncentivePlan2009Member | $ 120.77 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice / us-gaap_AwardTypeAxis = avb_EmployeeAndDirectorsStockOptionsMember / us-gaap_PlanNameAxis = avb_StockOptionAndIncentivePlan2009Member | 112.67 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice / us-gaap_AwardTypeAxis = avb_EmployeeAndDirectorsStockOptionsMember / us-gaap_PlanNameAxis = avb_StockOptionAndIncentivePlan2009Member
Options exercisable at the end of the period (in dollars per share) | $ 116.71 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice / us-gaap_AwardTypeAxis = avb_EmployeeAndDirectorsStockOptionsMember / us-gaap_PlanNameAxis = avb_StockOptionAndIncentivePlan2009Member | $ 107.18 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice / us-gaap_AwardTypeAxis = avb_EmployeeAndDirectorsStockOptionsMember / us-gaap_PlanNameAxis = avb_StockOptionAndIncentivePlan2009Member | 97.46 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice / us-gaap_AwardTypeAxis = avb_EmployeeAndDirectorsStockOptionsMember / us-gaap_PlanNameAxis = avb_StockOptionAndIncentivePlan2009Member
1994 Plan | Stock Options |  |  |
Shares |  |  |
Options outstanding at the beginning of the period (in shares) | 691,526 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber / us-gaap_AwardTypeAxis = avb_EmployeeAndDirectorsStockOptionsMember / us-gaap_PlanNameAxis = avb_StockOptionAndIncentivePlan1994Member | 719,830 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber / us-gaap_AwardTypeAxis = avb_EmployeeAndDirectorsStockOptionsMember / us-gaap_PlanNameAxis = avb_StockOptionAndIncentivePlan1994Member | 1,112,959 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber / us-gaap_AwardTypeAxis = avb_EmployeeAndDirectorsStockOptionsMember / us-gaap_PlanNameAxis = avb_StockOptionAndIncentivePlan1994Member
Exercised (in shares) | (342,743)us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised / us-gaap_AwardTypeAxis = avb_EmployeeAndDirectorsStockOptionsMember / us-gaap_PlanNameAxis = avb_StockOptionAndIncentivePlan1994Member | (24,292)us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised / us-gaap_AwardTypeAxis = avb_EmployeeAndDirectorsStockOptionsMember / us-gaap_PlanNameAxis = avb_StockOptionAndIncentivePlan1994Member | (364,519)us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised / us-gaap_AwardTypeAxis = avb_EmployeeAndDirectorsStockOptionsMember / us-gaap_PlanNameAxis = avb_StockOptionAndIncentivePlan1994Member
Granted (in shares) | 0 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross / us-gaap_AwardTypeAxis = avb_EmployeeAndDirectorsStockOptionsMember / us-gaap_PlanNameAxis = avb_StockOptionAndIncentivePlan1994Member | 0 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross / us-gaap_AwardTypeAxis = avb_EmployeeAndDirectorsStockOptionsMember / us-gaap_PlanNameAxis = avb_StockOptionAndIncentivePlan1994Member | 0 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross / us-gaap_AwardTypeAxis = avb_EmployeeAndDirectorsStockOptionsMember / us-gaap_PlanNameAxis = avb_StockOptionAndIncentivePlan1994Member
Forfeited (in shares) | (76,381)us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod / us-gaap_AwardTypeAxis = avb_EmployeeAndDirectorsStockOptionsMember / us-gaap_PlanNameAxis = avb_StockOptionAndIncentivePlan1994Member | (4,012)us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod / us-gaap_AwardTypeAxis = avb_EmployeeAndDirectorsStockOptionsMember / us-gaap_PlanNameAxis = avb_StockOptionAndIncentivePlan1994Member | (28,610)us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod / us-gaap_AwardTypeAxis = avb_EmployeeAndDirectorsStockOptionsMember / us-gaap_PlanNameAxis = avb_StockOptionAndIncentivePlan1994Member
Options outstanding at the end of the period (in shares) | 272,402 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber / us-gaap_AwardTypeAxis = avb_EmployeeAndDirectorsStockOptionsMember / us-gaap_PlanNameAxis = avb_StockOptionAndIncentivePlan1994Member | 691,526 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber / us-gaap_AwardTypeAxis = avb_EmployeeAndDirectorsStockOptionsMember / us-gaap_PlanNameAxis = avb_StockOptionAndIncentivePlan1994Member | 719,830 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber / us-gaap_AwardTypeAxis = avb_EmployeeAndDirectorsStockOptionsMember / us-gaap_PlanNameAxis = avb_StockOptionAndIncentivePlan1994Member
Options exercisable at the end of the period (in shares) | 272,402 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber / us-gaap_AwardTypeAxis = avb_EmployeeAndDirectorsStockOptionsMember / us-gaap_PlanNameAxis = avb_StockOptionAndIncentivePlan1994Member | 691,526 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber / us-gaap_AwardTypeAxis = avb_EmployeeAndDirectorsStockOptionsMember / us-gaap_PlanNameAxis = avb_StockOptionAndIncentivePlan1994Member | 719,830 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber / us-gaap_AwardTypeAxis = avb_EmployeeAndDirectorsStockOptionsMember / us-gaap_PlanNameAxis = avb_StockOptionAndIncentivePlan1994Member
Weighted average exercise price per share |  |  |
Options outstanding at the beginning of the period (in dollars per share) | $ 106.19 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice / us-gaap_AwardTypeAxis = avb_EmployeeAndDirectorsStockOptionsMember / us-gaap_PlanNameAxis = avb_StockOptionAndIncentivePlan1994Member | $ 105.40 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice / us-gaap_AwardTypeAxis = avb_EmployeeAndDirectorsStockOptionsMember / us-gaap_PlanNameAxis = avb_StockOptionAndIncentivePlan1994Member | 94.10 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice / us-gaap_AwardTypeAxis = avb_EmployeeAndDirectorsStockOptionsMember / us-gaap_PlanNameAxis = avb_StockOptionAndIncentivePlan1994Member
Exercised (in dollars per share) | $ 99.03 us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice / us-gaap_AwardTypeAxis = avb_EmployeeAndDirectorsStockOptionsMember / us-gaap_PlanNameAxis = avb_StockOptionAndIncentivePlan1994Member | $ 79.42 us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice / us-gaap_AwardTypeAxis = avb_EmployeeAndDirectorsStockOptionsMember / us-gaap_PlanNameAxis = avb_StockOptionAndIncentivePlan1994Member | 68.21 us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice / us-gaap_AwardTypeAxis = avb_EmployeeAndDirectorsStockOptionsMember / us-gaap_PlanNameAxis = avb_StockOptionAndIncentivePlan1994Member
Granted (in dollars per share) | $ 0.00 us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice / us-gaap_AwardTypeAxis = avb_EmployeeAndDirectorsStockOptionsMember / us-gaap_PlanNameAxis = avb_StockOptionAndIncentivePlan1994Member | $ 0.00 us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice / us-gaap_AwardTypeAxis = avb_EmployeeAndDirectorsStockOptionsMember / us-gaap_PlanNameAxis = avb_StockOptionAndIncentivePlan1994Member | 0.00 us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice / us-gaap_AwardTypeAxis = avb_EmployeeAndDirectorsStockOptionsMember / us-gaap_PlanNameAxis = avb_StockOptionAndIncentivePlan1994Member
Forfeited (in dollars per share) | $ 142.66 us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsForfeituresInPeriodWeightedAverageExercisePrice / us-gaap_AwardTypeAxis = avb_EmployeeAndDirectorsStockOptionsMember / us-gaap_PlanNameAxis = avb_StockOptionAndIncentivePlan1994Member | $ 127.56 us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsForfeituresInPeriodWeightedAverageExercisePrice / us-gaap_AwardTypeAxis = avb_EmployeeAndDirectorsStockOptionsMember / us-gaap_PlanNameAxis = avb_StockOptionAndIncentivePlan1994Member | 139.58 us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsForfeituresInPeriodWeightedAverageExercisePrice / us-gaap_AwardTypeAxis = avb_EmployeeAndDirectorsStockOptionsMember / us-gaap_PlanNameAxis = avb_StockOptionAndIncentivePlan1994Member
Options outstanding at the end of the period (in dollars per share) | $ 104.96 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice / us-gaap_AwardTypeAxis = avb_EmployeeAndDirectorsStockOptionsMember / us-gaap_PlanNameAxis = avb_StockOptionAndIncentivePlan1994Member | $ 106.19 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice / us-gaap_AwardTypeAxis = avb_EmployeeAndDirectorsStockOptionsMember / us-gaap_PlanNameAxis = avb_StockOptionAndIncentivePlan1994Member | 105.40 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice / us-gaap_AwardTypeAxis = avb_EmployeeAndDirectorsStockOptionsMember / us-gaap_PlanNameAxis = avb_StockOptionAndIncentivePlan1994Member
Options exercisable at the end of the period (in dollars per share) | $ 104.96 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice / us-gaap_AwardTypeAxis = avb_EmployeeAndDirectorsStockOptionsMember / us-gaap_PlanNameAxis = avb_StockOptionAndIncentivePlan1994Member | $ 106.19 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice / us-gaap_AwardTypeAxis = avb_EmployeeAndDirectorsStockOptionsMember / us-gaap_PlanNameAxis = avb_StockOptionAndIncentivePlan1994Member | 105.40 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice / us-gaap_AwardTypeAxis = avb_EmployeeAndDirectorsStockOptionsMember / us-gaap_PlanNameAxis = avb_StockOptionAndIncentivePlan1994Member

X
- Definition Face amount or stated value per share of common stock. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.29) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 30 -Article 5 + Details
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- Definition The difference between the maximum number of shares (or other type of equity) authorized for issuance under the plan (including the effects of amendments and adjustments), and the sum of: 1) the number of shares (or other type of equity) already issued upon exercise of options or other equity-based awards under the plan; and 2) shares (or other type of equity) reserved for issuance on granting of outstanding awards, net of cancellations and forfeitures, if applicable. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition The number of shares into which fully or partially vested stock options outstanding as of the balance sheet date can be currently converted under the option plan. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1)(iii) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition The weighted-average price as of the balance sheet date at which grantees can acquire the shares reserved for issuance on vested portions of options outstanding and currently exercisable under the stock option plan. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1)(iii) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition The number of shares under options that were cancelled during the reporting period as a result of occurrence of a terminating event specified in contractual agreements pertaining to the stock option plan. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1)(iv)(3) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition Gross number of share options (or share units) granted during the period. + References No definition available. + Details
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- Definition Number of options outstanding, including both vested and non-vested options. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1)(i)-(ii) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition Weighted average price at which grantees can acquire the shares reserved for issuance under the stock option plan. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1)(i) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition Weighted average price at which option holders acquired shares when converting their stock options into shares. + References No definition available. + Details
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- Definition Weighted average price at which grantees could have acquired the underlying shares with respect to stock options that were terminated. + References No definition available. + Details
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- Definition Weighted average per share amount at which grantees can acquire shares of common stock by exercise of options. + References No definition available. + Details
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