$AVB
AVALONBAY COMMUNITIES INC Stock $avb

$avb Overview Financials Valuation SEC Filings Company Website

2012 Q4 Form 10-K Financial Statement

#000104746914001617 Filed on March 03, 2014

Income Statement

Concept	2012 Q4	2012 Q3	2012 Q2
Revenue	$261.6M	$257.6M	$244.7M
YoY Change	7.6%	7.51%	5.83%
Cost Of Revenue	$87.40M	$92.90M	$88.90M
YoY Change	-0.34%	6.54%	3.49%
Gross Profit	$163.1M	$168.4M	$155.5M
YoY Change	4.95%	17.35%	3.87%
Gross Profit Margin	62.35%	65.38%	63.55%
Selling, General & Admin	$7.700M	$8.400M	$8.300M
YoY Change	-1.28%	37.7%	2.47%
% of Gross Profit	4.72%	4.99%	5.34%
Research & Development
YoY Change
% of Gross Profit
Depreciation & Amortization	$72.30M	$62.75M	$65.80M
YoY Change	24.44%	3.04%	8.94%
% of Gross Profit	44.33%	37.26%	42.32%
Operating Expenses	$79.10M	$198.7M	$196.9M
YoY Change	14.97%	-7.9%	-1.91%
Operating Profit	$84.00M	$177.4M	$171.3M
YoY Change	-3.0%	-345.64%	-435.57%
Interest Expense	-$25.00M	$33.99M	-$31.10M
YoY Change	-30.56%	-184.75%	-29.48%
% of Operating Profit	-29.76%	19.16%	-18.16%
Other Income/Expense, Net
YoY Change
Pretax Income	$59.40M	$82.40M	$55.50M
YoY Change	22.98%	114.58%	57.67%
Income Tax	$0.00	$0.00	$0.00
% Of Pretax Income	0.0%	0.0%	0.0%
Net Earnings	$122.4M	$86.75M	$156.8M
YoY Change	-62.81%	94.16%	261.34%
Net Earnings / Revenue	46.79%	33.68%	64.09%
Basic Earnings Per Share	$1.19	$0.89	$1.64
Diluted Earnings Per Share	$1.19	$0.89	$1.63
COMMON SHARES
Basic Shares Outstanding	97.71M shares	97.04M shares	95.31M shares
Diluted Shares Outstanding		97.55M shares	95.99M shares

Balance Sheet

Concept	2012 Q4	2012 Q3	2012 Q2
SHORT-TERM ASSETS
Cash & Short-Term Investments	$2.734B	$664.0M	$358.0M
YoY Change	343.11%	-3.77%	23.45%
Cash & Equivalents	$2.734B	$664.1M	$358.3M
Short-Term Investments
Other Short-Term Assets	$144.0M	$149.0M	$146.0M
YoY Change	2.13%	-1.32%	2.82%
Inventory
Prepaid Expenses
Receivables
Other Receivables
Total Short-Term Assets	$2.878B	$813.0M	$504.0M
YoY Change	279.68%	-3.33%	16.67%
LONG-TERM ASSETS
Property, Plant & Equipment	$8.015B	$7.879B	$7.606B
YoY Change	10.51%	8.57%	6.1%
Goodwill
YoY Change
Intangibles
YoY Change
Long-Term Investments	$129.0M	$139.0M	$145.0M
YoY Change	-11.03%	6.11%	21.85%
Other Assets	$113.0M	$112.0M	$131.0M
YoY Change	-62.83%	-52.34%	-34.17%
Total Long-Term Assets	$8.282B	$8.156B	$7.908B
YoY Change	7.22%	6.64%	5.29%
TOTAL ASSETS
Total Short-Term Assets	$2.878B	$813.0M	$504.0M
Total Long-Term Assets	$8.282B	$8.156B	$7.908B
Total Assets	$11.16B	$8.969B	$8.412B
YoY Change	31.57%	5.65%	5.91%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable	$53.00M	$51.00M	$43.00M
YoY Change	43.24%	41.67%	26.47%
Accrued Expenses	$250.0M	$247.0M	$283.0M
YoY Change	-10.71%	-4.63%	-11.56%
Deferred Revenue
YoY Change
Short-Term Debt	$0.00	$0.00	$0.00
YoY Change
Long-Term Debt Due
YoY Change
Total Short-Term Liabilities	$451.0M	$433.0M	$459.0M
YoY Change	2.97%	3.84%	-2.34%
LONG-TERM LIABILITIES
Long-Term Debt	$3.851B	$3.808B	$3.362B
YoY Change	7.0%	0.61%	-15.65%
Other Long-Term Liabilities	$10.00M	$0.00	$0.00
YoY Change	-72.97%	-100.0%
Total Long-Term Liabilities	$3.861B	$3.808B	$3.362B
YoY Change	6.19%	-2.56%	-15.65%
TOTAL LIABILITIES
Total Short-Term Liabilities	$451.0M	$433.0M	$459.0M
Total Long-Term Liabilities	$3.861B	$3.808B	$3.362B
Total Liabilities	$4.312B	$4.240B	$3.822B
YoY Change	5.86%	-2.29%	-14.45%
SHAREHOLDERS EQUITY
Retained Earnings	-$142.3M	-$153.8M	-$145.9M
YoY Change	-17.08%
Common Stock	$1.144M	$977.0K	$966.0K
YoY Change	20.17%
Preferred Stock
YoY Change
Treasury Stock (at cost)
YoY Change
Treasury Stock Shares
Shareholders Equity	$6.837B	$4.717B	$4.579B
YoY Change
Total Liabilities & Shareholders Equity	$11.16B	$8.969B	$8.412B
YoY Change	31.57%	5.65%	5.91%

Cashflow Statement

Concept	2012 Q4	2012 Q3	2012 Q2
OPERATING ACTIVITIES
Net Income	$122.4M	$86.75M	$156.8M
YoY Change	-62.81%	94.16%	261.34%
Depreciation, Depletion And Amortization	$72.30M	$62.75M	$65.80M
YoY Change	24.44%	3.04%	8.94%
Cash From Operating Activities	$165.6M	$152.7M	$117.2M
YoY Change	23.21%	71.38%	-11.68%
INVESTING ACTIVITIES
Capital Expenditures	-$249.3M	-$302.9M	-$223.4M
YoY Change	18.04%	53.13%	5.58%
Acquisitions
YoY Change
Other Investing Activities	$108.7M	$12.90M	$197.1M
YoY Change	-54.23%	-39.72%	356.25%
Cash From Investing Activities	-$140.7M	-$289.9M	-$26.50M
YoY Change	-632.95%	64.25%	-84.25%
FINANCING ACTIVITIES
Cash Dividend Paid
YoY Change
Common Stock Issuance & Retirement, Net
YoY Change
Debt Paid & Issued, Net
YoY Change
Cash From Financing Activities	2.045B	443.1M	19.30M
YoY Change	-978.6%	-9.22%	-43.24%
NET CHANGE
Cash From Operating Activities	165.6M	152.7M	117.2M
Cash From Investing Activities	-140.7M	-289.9M	-26.50M
Cash From Financing Activities	2.045B	443.1M	19.30M
Net Change In Cash	2.069B	305.9M	110.0M
YoY Change	-2978.16%	-23.66%	-6975.0%
FREE CASH FLOW
Cash From Operating Activities	$165.6M	$152.7M	$117.2M
Capital Expenditures	-$249.3M	-$302.9M	-$223.4M
Free Cash Flow	$414.9M	$455.6M	$340.6M
YoY Change	20.05%	58.8%	-1.07%

Facts In Submission

Frame	Concept Type	Concept / XBRL Key	Value	Unit
CY2013Q4	us-gaap	Number Of Real Estate Properties NumberOfRealEstateProperties	244	community
CY2013Q4	us-gaap	Number Of Units In Real Estate Property NumberOfUnitsInRealEstateProperty	72811	home
CY2013Q4	avb	Number Of Communities With Apartments Under Reconstruction NumberOfCommunitiesWithApartmentsUnderReconstruction	3	community
CY2013Q4	avb	Number Of Apartment Homes Under Reconstruction NumberOfApartmentHomesUnderReconstruction	1126	home
CY2013Q4	us-gaap	Number Of States In Which Entity Operates NumberOfStatesInWhichEntityOperates	12	state
CY2013Q4	avb	Number Of Owned Communities Under Construction NumberOfOwnedCommunitiesUnderConstruction	29	community
CY2013Q4	avb	Expected Aggregate Number Of Apartment Homes To Be Constructed ExpectedAggregateNumberOfApartmentHomesToBeConstructed	8708	home
CY2013Q4	avb	Estimated Number Of Apartment Homes In Communities Expected To Be Developed EstimatedNumberOfApartmentHomesInCommunitiesExpectedToBeDeveloped	12986	home
CY2012	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	3.88
CY2011	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	3.57
CY2013Q4	avb	Additional Number Of Communities Owned That Can Be Developed AdditionalNumberOfCommunitiesOwnedThatCanBeDeveloped	46	community
CY2013	avb	Period Of Lease Life PeriodOfLeaseLife	P1Y
CY2013	avb	Minimum Percentage Of Distribution Of Adjusted Taxable Income For Deducting Dividends From Federally Taxable Income MinimumPercentageOfDistributionOfAdjustedTaxableIncomeForDeductingDividendsFromFederallyTaxableIncome	0.90	pure
CY2013	avb	Minimum Percentage Of Distribution Of Reit Taxable Income For Federal Income Tax Exemption MinimumPercentageOfDistributionOfREITTaxableIncomeForFederalIncomeTaxExemption	1.00	pure
CY2013	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	353141000	USD
CY2012	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	423869000	USD
CY2013	avb	Reconciliation Of Income From Book Basis To Tax Basis Gain On Sale Of Communities ReconciliationOfIncomeFromBookBasisToTaxBasisGainOnSaleOfCommunities	-29388000	USD
CY2012	avb	Reconciliation Of Income From Book Basis To Tax Basis Gain On Sale Of Communities ReconciliationOfIncomeFromBookBasisToTaxBasisGainOnSaleOfCommunities	-37525000	USD
CY2011	avb	Reconciliation Of Income From Book Basis To Tax Basis Gain On Sale Of Communities ReconciliationOfIncomeFromBookBasisToTaxBasisGainOnSaleOfCommunities	84152000	USD
CY2013	avb	Reconciliation Of Income From Book Basis To Tax Basis Depreciation And Amortization ReconciliationOfIncomeFromBookBasisToTaxBasisDepreciationAndAmortization	176982000	USD
CY2012	avb	Reconciliation Of Income From Book Basis To Tax Basis Depreciation And Amortization ReconciliationOfIncomeFromBookBasisToTaxBasisDepreciationAndAmortization	9572000	USD
CY2011	avb	Reconciliation Of Income From Book Basis To Tax Basis Depreciation And Amortization ReconciliationOfIncomeFromBookBasisToTaxBasisDepreciationAndAmortization	9192000	USD
CY2013	avb	Reconciliation Of Income From Book Basis To Tax Basis Compensation Expense ReconciliationOfIncomeFromBookBasisToTaxBasisCompensationExpense	-31524000	USD
CY2012	avb	Reconciliation Of Income From Book Basis To Tax Basis Compensation Expense ReconciliationOfIncomeFromBookBasisToTaxBasisCompensationExpense	26314000	USD
CY2011	avb	Reconciliation Of Income From Book Basis To Tax Basis Compensation Expense ReconciliationOfIncomeFromBookBasisToTaxBasisCompensationExpense	43145000	USD
CY2013	avb	Reconciliation Of Income From Book Basis To Tax Basis Other Adjustments ReconciliationOfIncomeFromBookBasisToTaxBasisOtherAdjustments	-14974000	USD
CY2012	avb	Reconciliation Of Income From Book Basis To Tax Basis Other Adjustments ReconciliationOfIncomeFromBookBasisToTaxBasisOtherAdjustments	-9034000	USD
CY2011	avb	Reconciliation Of Income From Book Basis To Tax Basis Other Adjustments ReconciliationOfIncomeFromBookBasisToTaxBasisOtherAdjustments	183000	USD
CY2013	avb	Reconciliation Of Income From Book Basis To Tax Basis Net Income Loss Tax Basis ReconciliationOfIncomeFromBookBasisToTaxBasisNetIncomeLossTaxBasis	576061000	USD
CY2012	avb	Reconciliation Of Income From Book Basis To Tax Basis Net Income Loss Tax Basis ReconciliationOfIncomeFromBookBasisToTaxBasisNetIncomeLossTaxBasis	437067000	USD
CY2011	avb	Reconciliation Of Income From Book Basis To Tax Basis Net Income Loss Tax Basis ReconciliationOfIncomeFromBookBasisToTaxBasisNetIncomeLossTaxBasis	337752000	USD
CY2013	avb	Common Stock Dividends Ordinary Taxable Distribution Percentage CommonStockDividendsOrdinaryTaxableDistributionPercentage	0.42	pure
CY2013	avb	Common Stock Dividends Long Term Capital Gain Percentage CommonStockDividendsLongTermCapitalGainPercentage	0.40	pure
CY2013	avb	Common Stock Dividends Unrecaptured Section1250 Gain Percentage CommonStockDividendsUnrecapturedSection1250GainPercentage	0.18	pure
CY2012	us-gaap	Other Comprehensive Income Derivatives Qualifying As Hedges Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeDerivativesQualifyingAsHedgesNetOfTaxPortionAttributableToParent	-22876000	USD
CY2012	avb	Common Stock Dividends Ordinary Taxable Distribution Percentage CommonStockDividendsOrdinaryTaxableDistributionPercentage	0.47	pure
CY2012	avb	Common Stock Dividends Long Term Capital Gain Percentage CommonStockDividendsLongTermCapitalGainPercentage	0.33	pure
CY2012	avb	Common Stock Dividends Unrecaptured Section1250 Gain Percentage CommonStockDividendsUnrecapturedSection1250GainPercentage	0.20	pure
CY2011	avb	Common Stock Dividends Ordinary Taxable Distribution Percentage CommonStockDividendsOrdinaryTaxableDistributionPercentage	0.34	pure
CY2011	avb	Common Stock Dividends Long Term Capital Gain Percentage CommonStockDividendsLongTermCapitalGainPercentage	0.47	pure
CY2011	avb	Common Stock Dividends Unrecaptured Section1250 Gain Percentage CommonStockDividendsUnrecapturedSection1250GainPercentage	0.19	pure
CY2012Q4	us-gaap	Accumulated Amortization Deferred Finance Costs AccumulatedAmortizationDeferredFinanceCosts	20773000	USD
CY2013Q4	us-gaap	Accumulated Amortization Deferred Finance Costs AccumulatedAmortizationDeferredFinanceCosts	19719000	USD
CY2011	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	89922465	shares
CY2012	us-gaap	Weighted Average Number Of Limited Partnership And General Partnership Unit Outstanding Basic And Diluted WeightedAverageNumberOfLimitedPartnershipAndGeneralPartnershipUnitOutstandingBasicAndDiluted	7500	shares
CY2011	us-gaap	Weighted Average Number Of Limited Partnership And General Partnership Unit Outstanding Basic And Diluted WeightedAverageNumberOfLimitedPartnershipAndGeneralPartnershipUnitOutstandingBasicAndDiluted	8322	shares
CY2012	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	601251	shares
CY2011	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	846675	shares
CY2013	avb	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Annual Forfeiture Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsAnnualForfeitureRate	0.014	pure
CY2012	avb	Casualty And Impairment Loss CasualtyAndImpairmentLoss	1449000	USD
CY2012	us-gaap	Undistributed Earnings Allocated To Participating Securities UndistributedEarningsAllocatedToParticipatingSecurities	1264000	USD
CY2011	us-gaap	Undistributed Earnings Allocated To Participating Securities UndistributedEarningsAllocatedToParticipatingSecurities	1631000	USD
CY2012	us-gaap	Undistributed Earnings UndistributedEarnings	422605000	USD
CY2011	us-gaap	Undistributed Earnings UndistributedEarnings	439991000	USD
CY2012	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	4.34
CY2011	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	4.89
CY2012	us-gaap	Net Income Loss Attributable To Redeemable Noncontrolling Interest NetIncomeLossAttributableToRedeemableNoncontrollingInterest	-28000	USD
CY2011	us-gaap	Net Income Loss Attributable To Redeemable Noncontrolling Interest NetIncomeLossAttributableToRedeemableNoncontrollingInterest	-27000	USD
CY2012	us-gaap	Net Income Loss Available To Common Stockholders Diluted NetIncomeLossAvailableToCommonStockholdersDiluted	423897000	USD
CY2011	us-gaap	Net Income Loss Available To Common Stockholders Diluted NetIncomeLossAvailableToCommonStockholdersDiluted	441649000	USD
CY2012	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	98025152	shares
CY2011	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	90777462	shares
CY2012	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	396346	shares
CY2013	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	126855754	shares
CY2013	us-gaap	Weighted Average Number Of Limited Partnership And General Partnership Unit Outstanding Basic And Diluted WeightedAverageNumberOfLimitedPartnershipAndGeneralPartnershipUnitOutstandingBasicAndDiluted	7500	shares
CY2013	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	402649	shares
CY2013	avb	Number Of Land Parcels Impaired NumberOfLandParcelsImpaired	2	property
CY2013	us-gaap	Undistributed Earnings Allocated To Participating Securities UndistributedEarningsAllocatedToParticipatingSecurities	563000	USD
CY2013	us-gaap	Undistributed Earnings UndistributedEarnings	352578000	USD
CY2011	us-gaap	Impairment Of Real Estate ImpairmentOfRealEstate	12097000	USD
CY2013	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	2.78
CY2013	us-gaap	Net Income Loss Attributable To Redeemable Noncontrolling Interest NetIncomeLossAttributableToRedeemableNoncontrollingInterest	-32000	USD
CY2013	us-gaap	Net Income Loss Available To Common Stockholders Diluted NetIncomeLossAvailableToCommonStockholdersDiluted	353173000	USD
CY2011	us-gaap	Gain Loss On Disposition Of Assets GainLossOnDispositionOfAssets	13716000	USD
CY2013	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	127265903	shares
CY2013	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	2.78
CY2013	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	4.28
CY2013	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	605899	shares
CY2008	us-gaap	Impairment Of Real Estate ImpairmentOfRealEstate	9952000	USD
CY2011	us-gaap	Impairment Of Investments ImpairmentOfInvestments	1955000	USD
CY2013Q4	avb	Number Of Real Estate Properties Held For Sale NumberOfRealEstatePropertiesHeldForSale	1	community
CY2013Q4	avb	Maximum Ownership Interest Percentage In Joint Venture MaximumOwnershipInterestPercentageInJointVenture	1.00	pure
CY2013	us-gaap	Use Of Estimates UseOfEstimates	<div style="font-size:10.0pt;font-family:Times New Roman;"> <p style="FONT-FAMILY: times;"><font size="2"><i>Use of Estimates</i></font></p> <p style="FONT-FAMILY: times;"><font size="2">         The preparation of financial statements in conformity with GAAP requires management to make certain estimates and assumptions. These estimates and assumptions affect the reported amounts of assets and liabilities and disclosure of contingent assets and liabilities at the dates of the financial statements and the reported amounts of revenue and expenses during the reporting periods. Actual results could differ from those estimates.</font></p> </div>
CY2013	us-gaap	Prior Period Reclassification Adjustment Description PriorPeriodReclassificationAdjustmentDescription	<div style="font-size:10.0pt;font-family:Times New Roman;"> <p style="FONT-FAMILY: times;"><font size="2"><i>Reclassifications</i></font></p> <p style="FONT-FAMILY: times;"><font size="2">         Certain reclassifications have been made to amounts in prior years' financial statements to conform to current year presentations.</font></p> </div>
CY2013	us-gaap	Interest Costs Capitalized InterestCostsCapitalized	66838000	USD
CY2012	us-gaap	Interest Costs Capitalized InterestCostsCapitalized	49556000	USD
CY2011	us-gaap	Interest Costs Capitalized InterestCostsCapitalized	33863000	USD
CY2013Q4	us-gaap	Notes Payable NotesPayable	6029998000	USD
CY2012Q4	us-gaap	Notes Payable NotesPayable	3854068000	USD
CY2013Q4	us-gaap	Long Term Debt LongTermDebt	6029998000	USD
CY2012Q4	us-gaap	Long Term Debt LongTermDebt	3854068000	USD
CY2013	us-gaap	Gain Loss On Interest Rate Fair Value Hedge Ineffectiveness GainLossOnInterestRateFairValueHedgeIneffectiveness	-51000000	USD
CY2011	avb	Gains Losses On Extinguishment Of Debt From Continuing Operations GainsLossesOnExtinguishmentOfDebtFromContinuingOperations	-1940000	USD
CY2012	us-gaap	Business Combination Step Acquisition Equity Interest In Acquiree Remeasurement Gain BusinessCombinationStepAcquisitionEquityInterestInAcquireeRemeasurementGain	14194000	USD
CY2013	us-gaap	Debt Instrument Redemption Price Percentage DebtInstrumentRedemptionPricePercentage	1.00	pure
CY2012Q4	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	140000000	shares
CY2013Q4	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	280000000	shares
CY2012Q4	us-gaap	Preferred Stock Shares Authorized PreferredStockSharesAuthorized	50000000	shares
CY2013Q4	us-gaap	Preferred Stock Shares Authorized PreferredStockSharesAuthorized	50000000	shares
CY2013	us-gaap	Stock Issued During Period Shares Stock Options Exercised StockIssuedDuringPeriodSharesStockOptionsExercised	44241	shares
CY2013	us-gaap	Stock Issued During Period Shares Dividend Reinvestment Plan StockIssuedDuringPeriodSharesDividendReinvestmentPlan	2002	shares
CY2013	us-gaap	Shares Paid For Tax Withholding For Share Based Compensation SharesPaidForTaxWithholdingForShareBasedCompensation	48310	shares
CY2013	us-gaap	Stock Issued During Period Shares Restricted Stock Award Forfeited StockIssuedDuringPeriodSharesRestrictedStockAwardForfeited	7653	shares
CY2013	us-gaap	Business Acquisitions Pro Forma Revenue BusinessAcquisitionsProFormaRevenue	1534868000	USD
CY2013Q4	avb	Equity Method Investment Summarized Financial Information Real Estate Net EquityMethodInvestmentSummarizedFinancialInformationRealEstateNet	1890496000	USD
CY2012Q4	avb	Equity Method Investment Summarized Financial Information Real Estate Net EquityMethodInvestmentSummarizedFinancialInformationRealEstateNet	1337084000	USD
CY2013Q4	avb	Equity Method Investment Summarized Financial Information Assets Other Assets EquityMethodInvestmentSummarizedFinancialInformationAssetsOtherAssets	402644000	USD
CY2012Q4	avb	Equity Method Investment Summarized Financial Information Assets Other Assets EquityMethodInvestmentSummarizedFinancialInformationAssetsOtherAssets	73252000	USD
CY2013Q4	us-gaap	Equity Method Investment Summarized Financial Information Assets EquityMethodInvestmentSummarizedFinancialInformationAssets	2293140000	USD
CY2012Q4	us-gaap	Equity Method Investment Summarized Financial Information Assets EquityMethodInvestmentSummarizedFinancialInformationAssets	1410336000	USD
CY2013Q4	avb	Equity Method Investment Summarized Financial Information Mortgage Notes Payable And Credit Facility EquityMethodInvestmentSummarizedFinancialInformationMortgageNotesPayableAndCreditFacility	1251067000	USD
CY2012Q4	avb	Equity Method Investment Summarized Financial Information Mortgage Notes Payable And Credit Facility EquityMethodInvestmentSummarizedFinancialInformationMortgageNotesPayableAndCreditFacility	943259000	USD
CY2013Q4	avb	Equity Method Investment Summarized Financial Information Liabilities Other Liabilities EquityMethodInvestmentSummarizedFinancialInformationLiabilitiesOtherLiabilities	29677000	USD
CY2012Q4	avb	Equity Method Investment Summarized Financial Information Liabilities Other Liabilities EquityMethodInvestmentSummarizedFinancialInformationLiabilitiesOtherLiabilities	20405000	USD
CY2013Q4	us-gaap	Equity Method Investment Summarized Financial Information Equity Or Capital EquityMethodInvestmentSummarizedFinancialInformationEquityOrCapital	1012396000	USD
CY2012Q4	us-gaap	Equity Method Investment Summarized Financial Information Equity Or Capital EquityMethodInvestmentSummarizedFinancialInformationEquityOrCapital	446672000	USD
CY2013Q4	us-gaap	Equity Method Investment Summarized Financial Information Liabilities And Equity EquityMethodInvestmentSummarizedFinancialInformationLiabilitiesAndEquity	2293140000	USD
CY2012Q4	us-gaap	Equity Method Investment Summarized Financial Information Liabilities And Equity EquityMethodInvestmentSummarizedFinancialInformationLiabilitiesAndEquity	1410336000	USD
CY2012	us-gaap	Equity Method Investment Summarized Financial Information Revenue EquityMethodInvestmentSummarizedFinancialInformationRevenue	172076000	USD
CY2011	us-gaap	Equity Method Investment Summarized Financial Information Revenue EquityMethodInvestmentSummarizedFinancialInformationRevenue	160066000	USD
CY2013	us-gaap	Equity Method Investment Summarized Financial Information Revenue EquityMethodInvestmentSummarizedFinancialInformationRevenue	208979000	USD
CY2012	avb	Equity Method Investment Summarized Financial Information Operating And Other Expenses EquityMethodInvestmentSummarizedFinancialInformationOperatingAndOtherExpenses	73955000	USD
CY2011	avb	Equity Method Investment Summarized Financial Information Operating And Other Expenses EquityMethodInvestmentSummarizedFinancialInformationOperatingAndOtherExpenses	71926000	USD
CY2013	avb	Equity Method Investment Summarized Financial Information Operating And Other Expenses EquityMethodInvestmentSummarizedFinancialInformationOperatingAndOtherExpenses	86247000	USD
CY2012	us-gaap	Equity Method Investment Realized Gain Loss On Disposal EquityMethodInvestmentRealizedGainLossOnDisposal	106195000	USD
CY2011	us-gaap	Equity Method Investment Realized Gain Loss On Disposal EquityMethodInvestmentRealizedGainLossOnDisposal	22246000	USD
CY2013	us-gaap	Equity Method Investment Realized Gain Loss On Disposal EquityMethodInvestmentRealizedGainLossOnDisposal	96152000	USD
CY2012	avb	Equity Method Investment Summarized Financial Information Interest Expense EquityMethodInvestmentSummarizedFinancialInformationInterestExpense	53904000	USD
CY2011	avb	Equity Method Investment Summarized Financial Information Interest Expense EquityMethodInvestmentSummarizedFinancialInformationInterestExpense	50530000	USD
CY2013	avb	Equity Method Investment Summarized Financial Information Interest Expense EquityMethodInvestmentSummarizedFinancialInformationInterestExpense	61404000	USD
CY2013	avb	Equity Method Investment Summarized Financial Information Depreciation And Amortization EquityMethodInvestmentSummarizedFinancialInformationDepreciationAndAmortization	61002000	USD
CY2012	avb	Equity Method Investment Summarized Financial Information Depreciation And Amortization EquityMethodInvestmentSummarizedFinancialInformationDepreciationAndAmortization	47748000	USD
CY2011	avb	Equity Method Investment Summarized Financial Information Depreciation And Amortization EquityMethodInvestmentSummarizedFinancialInformationDepreciationAndAmortization	47920000	USD
CY2013	us-gaap	Equity Method Investment Summarized Financial Information Net Income Loss EquityMethodInvestmentSummarizedFinancialInformationNetIncomeLoss	96478000	USD
CY2012	us-gaap	Equity Method Investment Summarized Financial Information Net Income Loss EquityMethodInvestmentSummarizedFinancialInformationNetIncomeLoss	102664000	USD
CY2011	us-gaap	Equity Method Investment Summarized Financial Information Net Income Loss EquityMethodInvestmentSummarizedFinancialInformationNetIncomeLoss	11936000	USD
CY2013	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	-11154000	USD
CY2012	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	20914000	USD
CY2011	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	5120000	USD
CY2013	avb	Number Of Apartment Homes Sold NumberOfApartmentHomesSold	3299	home
CY2012	avb	Number Of Apartment Homes Sold NumberOfApartmentHomesSold	1578	home
CY2011	avb	Number Of Apartment Homes Sold NumberOfApartmentHomesSold	1038	home
CY2013	avb	Sale Of Real Estate Gross Sales Price SaleOfRealEstateGrossSalesPrice	932800000	USD
CY2012	avb	Sale Of Real Estate Gross Sales Price SaleOfRealEstateGrossSalesPrice	280550000	USD
CY2011	avb	Sale Of Real Estate Gross Sales Price SaleOfRealEstateGrossSalesPrice	292965000	USD
CY2013	us-gaap	Proceeds From Sale Of Real Estate ProceedsFromSaleOfRealEstate	919442000	USD
CY2012	us-gaap	Proceeds From Sale Of Real Estate ProceedsFromSaleOfRealEstate	274018000	USD
CY2011	us-gaap	Proceeds From Sale Of Real Estate ProceedsFromSaleOfRealEstate	287358000	USD
CY2013Q4	avb	Number Of Communities Held For Sale NumberOfCommunitiesHeldForSale	1	home
CY2013	avb	Number Of Apartment Communities Sold NumberOfApartmentCommunitiesSold	8	home
CY2013	us-gaap	Disposal Group Including Discontinued Operation Rental Income DisposalGroupIncludingDiscontinuedOperationRentalIncome	42874000	USD
CY2012	us-gaap	Disposal Group Including Discontinued Operation Rental Income DisposalGroupIncludingDiscontinuedOperationRentalIncome	63406000	USD
CY2011	us-gaap	Disposal Group Including Discontinued Operation Rental Income DisposalGroupIncludingDiscontinuedOperationRentalIncome	89290000	USD
CY2013	us-gaap	Disposal Group Including Discontinued Operation Operating Expense DisposalGroupIncludingDiscontinuedOperationOperatingExpense	12661000	USD
CY2012	us-gaap	Disposal Group Including Discontinued Operation Operating Expense DisposalGroupIncludingDiscontinuedOperationOperatingExpense	19437000	USD
CY2011	us-gaap	Disposal Group Including Discontinued Operation Operating Expense DisposalGroupIncludingDiscontinuedOperationOperatingExpense	36996000	USD
CY2012	us-gaap	Disposal Group Including Discontinued Operation Interest Expense DisposalGroupIncludingDiscontinuedOperationInterestExpense	133000	USD
CY2011	us-gaap	Disposal Group Including Discontinued Operation Interest Expense DisposalGroupIncludingDiscontinuedOperationInterestExpense	4808000	USD
CY2012	avb	Disposal Group Including Discontinued Operation Gain Loss On Extinguishment Of Debt DisposalGroupIncludingDiscontinuedOperationGainLossOnExtinguishmentOfDebt	-602000	USD
CY2011	avb	Disposal Group Including Discontinued Operation Gain Loss On Extinguishment Of Debt DisposalGroupIncludingDiscontinuedOperationGainLossOnExtinguishmentOfDebt	-3880000	USD
CY2013	us-gaap	Depreciation And Amortization Discontinued Operations DepreciationAndAmortizationDiscontinuedOperations	13500000	USD
CY2012	us-gaap	Depreciation And Amortization Discontinued Operations DepreciationAndAmortizationDiscontinuedOperations	16414000	USD
CY2011	us-gaap	Depreciation And Amortization Discontinued Operations DepreciationAndAmortizationDiscontinuedOperations	23541000	USD
CY2013	us-gaap	Discontinued Operation Income Loss From Discontinued Operation During Phase Out Period Net Of Tax DiscontinuedOperationIncomeLossFromDiscontinuedOperationDuringPhaseOutPeriodNetOfTax	16713000	USD
CY2012	us-gaap	Discontinued Operation Income Loss From Discontinued Operation During Phase Out Period Net Of Tax DiscontinuedOperationIncomeLossFromDiscontinuedOperationDuringPhaseOutPeriodNetOfTax	26820000	USD
CY2011	us-gaap	Discontinued Operation Income Loss From Discontinued Operation During Phase Out Period Net Of Tax DiscontinuedOperationIncomeLossFromDiscontinuedOperationDuringPhaseOutPeriodNetOfTax	20065000	USD
CY2013	avb	Number Of Executives In Employment Agreements NumberOfExecutivesInEmploymentAgreements	3	person
CY2013	avb	Number Of Executives In Case One NumberOfExecutivesInCaseOne	2	person
CY2013	avb	Compensation Multiplier In Case One CompensationMultiplierInCaseOne	2	multiplier
CY2013	avb	Compensation Multiplier In Case One In Connection With Sale Of Company CompensationMultiplierInCaseOneInConnectionWithSaleOfCompany	3	multiplier
CY2013	avb	Number Of Executives In Case Two NumberOfExecutivesInCaseTwo	1	person
CY2013	avb	Compensation Multiplier In Case Two CompensationMultiplierInCaseTwo	1	multiplier
CY2013	avb	Compensation Multiplier In Case Two In Connection With Sale Of Company CompensationMultiplierInCaseTwoInConnectionWithSaleOfCompany	2	multiplier
CY2013	us-gaap	Stock Issued During Period Shares Employee Stock Purchase Plans StockIssuedDuringPeriodSharesEmployeeStockPurchasePlans	9260	shares
CY2013	us-gaap	Lease And Rental Expense LeaseAndRentalExpense	17996000	USD
CY2012	us-gaap	Lease And Rental Expense LeaseAndRentalExpense	17604000	USD
CY2011	us-gaap	Lease And Rental Expense LeaseAndRentalExpense	16887000	USD
CY2013Q4	avb	Total Leases Future Minimum Payments Due Current TotalLeasesFutureMinimumPaymentsDueCurrent	21664000	USD
CY2013Q4	avb	Total Leases Future Minimum Payments Due In Two Years TotalLeasesFutureMinimumPaymentsDueInTwoYears	21513000	USD
CY2013Q4	avb	Total Leases Future Minimum Payments Due In Three Years TotalLeasesFutureMinimumPaymentsDueInThreeYears	38640000	USD
CY2013Q4	avb	Total Leases Future Minimum Payments Due In Four Years TotalLeasesFutureMinimumPaymentsDueInFourYears	19882000	USD
CY2013Q4	avb	Total Leases Future Minimum Payments Due In Five Years TotalLeasesFutureMinimumPaymentsDueInFiveYears	20005000	USD
CY2013Q4	avb	Total Leases Future Minimum Payments Due Thereafter TotalLeasesFutureMinimumPaymentsDueThereafter	1288628000	USD
CY2013Q4	us-gaap	Operating Leases Future Minimum Payments Due Current OperatingLeasesFutureMinimumPaymentsDueCurrent	19801000	USD
CY2013Q4	us-gaap	Operating Leases Future Minimum Payments Due In Two Years OperatingLeasesFutureMinimumPaymentsDueInTwoYears	19628000	USD
CY2013Q4	us-gaap	Operating Leases Future Minimum Payments Due In Three Years OperatingLeasesFutureMinimumPaymentsDueInThreeYears	19557000	USD
CY2013Q4	us-gaap	Operating Leases Future Minimum Payments Due In Four Years OperatingLeasesFutureMinimumPaymentsDueInFourYears	19034000	USD
CY2013Q4	us-gaap	Operating Leases Future Minimum Payments Due In Five Years OperatingLeasesFutureMinimumPaymentsDueInFiveYears	19157000	USD
CY2013Q4	us-gaap	Operating Leases Future Minimum Payments Due Thereafter OperatingLeasesFutureMinimumPaymentsDueThereafter	1248694000	USD
CY2013Q4	us-gaap	Capital Leases Future Minimum Payments Due Current CapitalLeasesFutureMinimumPaymentsDueCurrent	1863000	USD
CY2013Q4	us-gaap	Capital Leases Future Minimum Payments Due In Two Years CapitalLeasesFutureMinimumPaymentsDueInTwoYears	1885000	USD
CY2013Q4	us-gaap	Capital Leases Future Minimum Payments Due In Three Years CapitalLeasesFutureMinimumPaymentsDueInThreeYears	19083000	USD
CY2013Q4	us-gaap	Capital Leases Future Minimum Payments Due In Four Years CapitalLeasesFutureMinimumPaymentsDueInFourYears	848000	USD
CY2013Q4	us-gaap	Capital Leases Future Minimum Payments Due In Five Years CapitalLeasesFutureMinimumPaymentsDueInFiveYears	848000	USD
CY2013Q4	us-gaap	Capital Leases Future Minimum Payments Due Thereafter CapitalLeasesFutureMinimumPaymentsDueThereafter	39934000	USD
CY2013	us-gaap	Profit Loss ProfitLoss	352771000	USD
CY2012	us-gaap	Profit Loss ProfitLoss	423562000	USD
CY2011	us-gaap	Profit Loss ProfitLoss	441370000	USD
CY2011	avb	Indirect Operating Expenses Net Of Corporate Income IndirectOperatingExpensesNetOfCorporateIncome	30550000	USD
CY2013	avb	Percentage Change Of Net Operating Income From Prior Year PercentageChangeOfNetOperatingIncomeFromPriorYear	0.463	pure
CY2012	avb	Percentage Change Of Net Operating Income From Prior Year PercentageChangeOfNetOperatingIncomeFromPriorYear	0.145	pure
CY2011	avb	Percentage Change Of Net Operating Income From Prior Year PercentageChangeOfNetOperatingIncomeFromPriorYear	0.148	pure
CY2013Q4	us-gaap	Real Estate Heldforsale RealEstateHeldforsale	26701000	USD
CY2012Q4	us-gaap	Real Estate Heldforsale RealEstateHeldforsale	449570000	USD
CY2011Q4	us-gaap	Real Estate Heldforsale RealEstateHeldforsale	634089000	USD
CY2013	dei	Entity Registrant Name EntityRegistrantName	AVALONBAY COMMUNITIES INC
CY2013	dei	Entity Central Index Key EntityCentralIndexKey	0000915912
CY2013	dei	Document Type DocumentType	10-K
CY2013	dei	Document Period End Date DocumentPeriodEndDate	2013-12-31
CY2013	dei	Amendment Flag AmendmentFlag	false
CY2011	us-gaap	Asset Management Costs AssetManagementCosts	5126000	USD
CY2011	avb	Expensed Acquisition Development And Other Pursuit Costs ExpensedAcquisitionDevelopmentAndOtherPursuitCosts	2967000	USD
CY2013	us-gaap	Interest Expense InterestExpense	172402000	USD
CY2012	us-gaap	Interest Expense InterestExpense	136920000	USD
CY2011	us-gaap	Interest Expense InterestExpense	167814000	USD
CY2013	avb	Gains Losses On Extinguishment Of Debt From Continuing Operations GainsLossesOnExtinguishmentOfDebtFromContinuingOperations	-14921000	USD
CY2012	avb	Gains Losses On Extinguishment Of Debt From Continuing Operations GainsLossesOnExtinguishmentOfDebtFromContinuingOperations	-1179000	USD
CY2013	us-gaap	General And Administrative Expense GeneralAndAdministrativeExpense	39573000	USD
CY2012	us-gaap	General And Administrative Expense GeneralAndAdministrativeExpense	34101000	USD
CY2011	us-gaap	General And Administrative Expense GeneralAndAdministrativeExpense	29371000	USD
CY2013	us-gaap	Depreciation Depreciation	560215000	USD
CY2012	us-gaap	Depreciation Depreciation	243680000	USD
CY2011	us-gaap	Depreciation Depreciation	226728000	USD
CY2013	us-gaap	Gain Loss On Sale Of Properties GainLossOnSaleOfProperties	278471000	USD
CY2012	us-gaap	Gain Loss On Sale Of Properties GainLossOnSaleOfProperties	146591000	USD
CY2011	us-gaap	Gain Loss On Sale Of Properties GainLossOnSaleOfProperties	294806000	USD
CY2013	avb	Attainment Percentage Of Physical Occupancy AttainmentPercentageOfPhysicalOccupancy	0.95	pure
CY2013	avb	Anniversary Of Completion Of Development Or Redevelopment AnniversaryOfCompletionOfDevelopmentOrRedevelopment	P1Y
CY2013	us-gaap	Operating Income Loss OperatingIncomeLoss	997446000	USD
CY2012	us-gaap	Operating Income Loss OperatingIncomeLoss	681704000	USD
CY2011	us-gaap	Operating Income Loss OperatingIncomeLoss	599927000	USD
CY2013	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	-370000	USD
CY2013Q4	us-gaap	Real Estate And Accumulated Depreciation Amount Of Encumbrances RealEstateAndAccumulatedDepreciationAmountOfEncumbrances	6029998000	USD
CY2013	us-gaap	Revenues Revenues	1462921000	USD
CY2012	us-gaap	Revenues Revenues	1000627000	USD
CY2011	us-gaap	Revenues Revenues	900087000	USD
CY2013	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--12-31
CY2013	dei	Entity Well Known Seasoned Issuer EntityWellKnownSeasonedIssuer	Yes
CY2013	dei	Entity Voluntary Filers EntityVoluntaryFilers	No
CY2013	dei	Entity Current Reporting Status EntityCurrentReportingStatus	Yes
CY2013	dei	Entity Filer Category EntityFilerCategory	Large Accelerated Filer
CY2013Q2	dei	Entity Public Float EntityPublicFloat	17455382529	USD
CY2014Q1	dei	Entity Common Stock Shares Outstanding EntityCommonStockSharesOutstanding	129417333	shares
CY2013	dei	Document Fiscal Year Focus DocumentFiscalYearFocus	2013
CY2013	dei	Document Fiscal Period Focus DocumentFiscalPeriodFocus	FY
CY2012	us-gaap	Employee Service Share Based Compensation Allocation Of Recognized Period Costs Capitalized Amount EmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsCapitalizedAmount	5140000	USD
CY2011	us-gaap	Employee Service Share Based Compensation Allocation Of Recognized Period Costs Capitalized Amount EmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsCapitalizedAmount	5284000	USD
CY2013Q1	us-gaap	Revenues Revenues	301356000	USD
CY2013Q2	us-gaap	Revenues Revenues	378207000	USD
CY2013Q3	us-gaap	Revenues Revenues	389189000	USD
CY2013Q4	us-gaap	Revenues Revenues	394169000	USD
CY2012Q1	us-gaap	Revenues Revenues	236788000	USD
CY2012Q2	us-gaap	Revenues Revenues	244697000	USD
CY2012Q3	us-gaap	Revenues Revenues	257568000	USD
CY2012Q4	us-gaap	Revenues Revenues	261574000	USD
CY2013	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	17775000	USD
CY2012	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	9961000	USD
CY2011	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	9721000	USD
CY2013	us-gaap	Employee Service Share Based Compensation Allocation Of Recognized Period Costs Capitalized Amount EmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsCapitalizedAmount	8379000	USD
CY2013Q1	us-gaap	Income Loss From Continuing Operations Including Portion Attributable To Noncontrolling Interest IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest	-14767000	USD
CY2013Q2	us-gaap	Income Loss From Continuing Operations Including Portion Attributable To Noncontrolling Interest IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest	334000	USD
CY2013Q3	us-gaap	Income Loss From Continuing Operations Including Portion Attributable To Noncontrolling Interest IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest	-15949000	USD
CY2013Q4	us-gaap	Income Loss From Continuing Operations Including Portion Attributable To Noncontrolling Interest IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest	88209000	USD
CY2012Q1	us-gaap	Income Loss From Continuing Operations Including Portion Attributable To Noncontrolling Interest IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest	50380000	USD
CY2012Q2	us-gaap	Income Loss From Continuing Operations Including Portion Attributable To Noncontrolling Interest IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest	54975000	USD
CY2012Q3	us-gaap	Income Loss From Continuing Operations Including Portion Attributable To Noncontrolling Interest IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest	80715000	USD
CY2012Q4	us-gaap	Income Loss From Continuing Operations Including Portion Attributable To Noncontrolling Interest IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest	64361000	USD
CY2013Q1	us-gaap	Income Loss From Discontinued Operations Net Of Tax IncomeLossFromDiscontinuedOperationsNetOfTax	90237000	USD
CY2013Q2	us-gaap	Income Loss From Discontinued Operations Net Of Tax IncomeLossFromDiscontinuedOperationsNetOfTax	35763000	USD
CY2013Q3	us-gaap	Income Loss From Discontinued Operations Net Of Tax IncomeLossFromDiscontinuedOperationsNetOfTax	5063000	USD
CY2013Q4	us-gaap	Income Loss From Discontinued Operations Net Of Tax IncomeLossFromDiscontinuedOperationsNetOfTax	163881000	USD
CY2012Q1	us-gaap	Income Loss From Discontinued Operations Net Of Tax IncomeLossFromDiscontinuedOperationsNetOfTax	7229000	USD
CY2012Q2	us-gaap	Income Loss From Discontinued Operations Net Of Tax IncomeLossFromDiscontinuedOperationsNetOfTax	101846000	USD
CY2012Q3	us-gaap	Income Loss From Discontinued Operations Net Of Tax IncomeLossFromDiscontinuedOperationsNetOfTax	6033000	USD
CY2012Q4	us-gaap	Income Loss From Discontinued Operations Net Of Tax IncomeLossFromDiscontinuedOperationsNetOfTax	58023000	USD
CY2013Q1	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	75427000	USD
CY2013Q2	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	36218000	USD
CY2013Q3	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	-10715000	USD
CY2013Q4	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	252212000	USD
CY2012Q1	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	57758000	USD
CY2012Q2	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	156909000	USD
CY2012Q3	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	86844000	USD
CY2012Q4	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	122356000	USD
CY2013Q1	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.63
CY2013Q2	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.28
CY2013Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	-0.08
CY2013Q4	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.95
CY2012Q1	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.60
CY2012Q2	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.63
CY2012Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.89
CY2012Q4	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.19
CY2013Q1	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.63
CY2013Q2	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.28
CY2013Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	-0.08
CY2013Q4	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.95
CY2012Q1	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.61
CY2012Q2	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.64
CY2012Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.89
CY2012Q4	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.19
CY2013Q4	invest	Derivative Notional Amount DerivativeNotionalAmount	215000000	USD
CY2013	avb	Derivative Charges For Reversal Of Deferred Loss DerivativeChargesForReversalOfDeferredLoss	53484000	USD
CY2013	avb	Derivative Settlement Of Forward Starting Interest Rate Swap Agreement DerivativeSettlementOfForwardStartingInterestRateSwapAgreement	51000000	USD
CY2013	us-gaap	Derivative Instruments Loss Reclassified From Accumulated Oci Into Income Effective Portion DerivativeInstrumentsLossReclassifiedFromAccumulatedOCIIntoIncomeEffectivePortion	59376000	USD
CY2010Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	304407000	USD
CY2013Q4	us-gaap	Land Land	3315521000	USD
CY2012Q4	us-gaap	Land Land	1406706000	USD
CY2013Q4	us-gaap	Investment Building And Building Improvements InvestmentBuildingAndBuildingImprovements	11230813000	USD
CY2012Q4	us-gaap	Investment Building And Building Improvements InvestmentBuildingAndBuildingImprovements	6847227000	USD
CY2013Q4	us-gaap	Fixtures And Equipment Gross FixturesAndEquipmentGross	343802000	USD
CY2012Q4	us-gaap	Fixtures And Equipment Gross FixturesAndEquipmentGross	249023000	USD
CY2013Q4	us-gaap	Real Estate Investment Property At Cost RealEstateInvestmentPropertyAtCost	14890136000	USD
CY2012Q4	us-gaap	Real Estate Investment Property At Cost RealEstateInvestmentPropertyAtCost	8502956000	USD
CY2013Q4	us-gaap	Real Estate Investment Property Accumulated Depreciation RealEstateInvestmentPropertyAccumulatedDepreciation	2503902000	USD
CY2012Q4	us-gaap	Real Estate Investment Property Accumulated Depreciation RealEstateInvestmentPropertyAccumulatedDepreciation	1945281000	USD
CY2013Q4	us-gaap	Construction In Progress Gross ConstructionInProgressGross	1583120000	USD
CY2012Q4	us-gaap	Construction In Progress Gross ConstructionInProgressGross	802779000	USD
CY2013Q4	us-gaap	Land Available For Development LandAvailableForDevelopment	300364000	USD
CY2012Q4	us-gaap	Land Available For Development LandAvailableForDevelopment	316037000	USD
CY2013Q4	avb	Net Investments In Real Estate NetInvestmentsInRealEstate	14284209000	USD
CY2012Q4	avb	Net Investments In Real Estate NetInvestmentsInRealEstate	8015120000	USD
CY2013Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	281541000	USD
CY2012Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	2733618000	USD
CY2013Q4	us-gaap	Restricted Cash And Cash Equivalents RestrictedCashAndCashEquivalents	98481000	USD
CY2012Q4	us-gaap	Restricted Cash And Cash Equivalents RestrictedCashAndCashEquivalents	49950000	USD
CY2013Q4	us-gaap	Security Deposit SecurityDeposit	26672000	USD
CY2012Q4	us-gaap	Security Deposit SecurityDeposit	24748000	USD
CY2013Q4	us-gaap	Investments In Affiliates Subsidiaries Associates And Joint Ventures InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures	367866000	USD
CY2012Q4	us-gaap	Investments In Affiliates Subsidiaries Associates And Joint Ventures InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures	129352000	USD
CY2013Q4	us-gaap	Deferred Finance Costs Net DeferredFinanceCostsNet	40677000	USD
CY2012Q4	us-gaap	Deferred Finance Costs Net DeferredFinanceCostsNet	38700000	USD
CY2013Q4	us-gaap	Other Deferred Costs Net OtherDeferredCostsNet	31592000	USD
CY2012Q4	us-gaap	Other Deferred Costs Net OtherDeferredCostsNet	24665000	USD
CY2013Q4	us-gaap	Prepaid Expense And Other Assets PrepaidExpenseAndOtherAssets	197105000	USD
CY2012Q4	us-gaap	Prepaid Expense And Other Assets PrepaidExpenseAndOtherAssets	143925000	USD
CY2013Q4	us-gaap	Assets Assets	15328143000	USD
CY2012Q4	us-gaap	Assets Assets	11160078000	USD
CY2013Q4	us-gaap	Unsecured Debt UnsecuredDebt	2594709000	USD
CY2012Q4	us-gaap	Unsecured Debt UnsecuredDebt	1945798000	USD
CY2013Q4	us-gaap	Secured Debt SecuredDebt	3550682000	USD
CY2012Q4	us-gaap	Secured Debt SecuredDebt	1905235000	USD
CY2013Q4	us-gaap	Dividends Payable Current And Noncurrent DividendsPayableCurrentAndNoncurrent	138476000	USD
CY2012Q4	us-gaap	Dividends Payable Current And Noncurrent DividendsPayableCurrentAndNoncurrent	110966000	USD
CY2013Q4	us-gaap	Construction Payable Current And Noncurrent ConstructionPayableCurrentAndNoncurrent	94472000	USD
CY2012Q4	us-gaap	Construction Payable Current And Noncurrent ConstructionPayableCurrentAndNoncurrent	52903000	USD
CY2012	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci On Derivatives Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesNetOfTax	-1889000	USD
CY2013Q4	us-gaap	Accrued Liabilities Current And Noncurrent AccruedLiabilitiesCurrentAndNoncurrent	243045000	USD
CY2012Q4	us-gaap	Accrued Liabilities Current And Noncurrent AccruedLiabilitiesCurrentAndNoncurrent	216756000	USD
CY2013Q4	us-gaap	Interest Payable Current And Noncurrent InterestPayableCurrentAndNoncurrent	43353000	USD
CY2012Q4	us-gaap	Interest Payable Current And Noncurrent InterestPayableCurrentAndNoncurrent	33056000	USD
CY2013Q4	us-gaap	Security Deposit Liability SecurityDepositLiability	45485000	USD
CY2012Q4	us-gaap	Security Deposit Liability SecurityDepositLiability	37049000	USD
CY2013Q4	us-gaap	Liabilities Of Assets Held For Sale LiabilitiesOfAssetsHeldForSale	874000	USD
CY2012Q4	us-gaap	Liabilities Of Assets Held For Sale LiabilitiesOfAssetsHeldForSale	10495000	USD
CY2013Q4	us-gaap	Liabilities Liabilities	6711096000	USD
CY2012Q4	us-gaap	Liabilities Liabilities	4312258000	USD
CY2013Q4	us-gaap	Temporary Equity Redemption Value TemporaryEquityRedemptionValue	17320000	USD
CY2012Q4	us-gaap	Temporary Equity Redemption Value TemporaryEquityRedemptionValue	7027000	USD
CY2013Q4	us-gaap	Common Stock Value CommonStockValue	1294000	USD
CY2012Q4	us-gaap	Common Stock Value CommonStockValue	1144000	USD
CY2013Q4	us-gaap	Additional Paid In Capital AdditionalPaidInCapital	8988723000	USD
CY2012Q4	us-gaap	Additional Paid In Capital AdditionalPaidInCapital	7086407000	USD
CY2013Q4	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	-345254000	USD
CY2012Q4	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	-142329000	USD
CY2013Q4	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-48631000	USD
CY2012Q4	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-108007000	USD
CY2012Q4	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	0.01
CY2013Q4	us-gaap	Stockholders Equity StockholdersEquity	8596132000	USD
CY2012Q4	us-gaap	Stockholders Equity StockholdersEquity	6837215000	USD
CY2013Q4	us-gaap	Minority Interest MinorityInterest	3595000	USD
CY2012Q4	us-gaap	Minority Interest MinorityInterest	3578000	USD
CY2013Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	8599727000	USD
CY2012Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	6840793000	USD
CY2013Q4	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	15328143000	USD
CY2012Q4	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	11160078000	USD
CY2012Q4	us-gaap	Preferred Stock Value PreferredStockValue		USD
CY2012	us-gaap	Stock Issued During Period Shares Share Based Compensation Gross StockIssuedDuringPeriodSharesShareBasedCompensationGross	96592	shares
CY2012Q4	us-gaap	Preferred Stock Par Or Stated Value Per Share PreferredStockParOrStatedValuePerShare	0.01
CY2012Q4	us-gaap	Preferred Stock Liquidation Preference PreferredStockLiquidationPreference	25
CY2012Q4	us-gaap	Preferred Stock Shares Issued PreferredStockSharesIssued	0	shares
CY2012Q4	us-gaap	Preferred Stock Shares Outstanding PreferredStockSharesOutstanding	0	shares
CY2012Q4	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	114403472	shares
CY2012Q4	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	114403472	shares
CY2013Q4	us-gaap	Preferred Stock Par Or Stated Value Per Share PreferredStockParOrStatedValuePerShare	0.01
CY2013Q4	us-gaap	Preferred Stock Liquidation Preference PreferredStockLiquidationPreference	25
CY2013Q4	us-gaap	Preferred Stock Shares Issued PreferredStockSharesIssued	0	shares
CY2013Q4	us-gaap	Preferred Stock Shares Outstanding PreferredStockSharesOutstanding	0	shares
CY2013Q4	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	0.01
CY2013Q4	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	129416695	shares
CY2013Q4	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	129416695	shares
CY2013	us-gaap	Amortization Of Financing Costs And Discounts AmortizationOfFinancingCostsAndDiscounts	-22947000	USD
CY2012	us-gaap	Income Loss From Discontinued Operations Net Of Tax IncomeLossFromDiscontinuedOperationsNetOfTax	173131000	USD
CY2013	avb	Rental And Other Income RentalAndOtherIncome	1451419000	USD
CY2012	avb	Rental And Other Income RentalAndOtherIncome	990370000	USD
CY2011	avb	Rental And Other Income RentalAndOtherIncome	890431000	USD
CY2013	us-gaap	Management Fees Revenue ManagementFeesRevenue	11502000	USD
CY2012	us-gaap	Management Fees Revenue ManagementFeesRevenue	10257000	USD
CY2011	us-gaap	Management Fees Revenue ManagementFeesRevenue	9656000	USD
CY2013	us-gaap	Direct Costs Of Leased And Rented Property Or Equipment DirectCostsOfLeasedAndRentedPropertyOrEquipment	352245000	USD
CY2012	us-gaap	Direct Costs Of Leased And Rented Property Or Equipment DirectCostsOfLeasedAndRentedPropertyOrEquipment	259350000	USD
CY2011	us-gaap	Direct Costs Of Leased And Rented Property Or Equipment DirectCostsOfLeasedAndRentedPropertyOrEquipment	246872000	USD
CY2013	us-gaap	Real Estate Tax Expense RealEstateTaxExpense	158774000	USD
CY2012	us-gaap	Real Estate Tax Expense RealEstateTaxExpense	97555000	USD
CY2011	us-gaap	Real Estate Tax Expense RealEstateTaxExpense	88964000	USD
CY2013	us-gaap	Operating Expenses OperatingExpenses	1394180000	USD
CY2012	us-gaap	Operating Expenses OperatingExpenses	785584000	USD
CY2011	us-gaap	Operating Expenses OperatingExpenses	778708000	USD
CY2013	us-gaap	Gain Loss On Disposition Of Assets GainLossOnDispositionOfAssets	240000	USD
CY2012	us-gaap	Gain Loss On Disposition Of Assets GainLossOnDispositionOfAssets	280000	USD
CY2013	us-gaap	Income Loss From Continuing Operations Including Portion Attributable To Noncontrolling Interest IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest	57827000	USD
CY2012	us-gaap	Income Loss From Continuing Operations Including Portion Attributable To Noncontrolling Interest IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest	250431000	USD
CY2011	us-gaap	Income Loss From Continuing Operations Including Portion Attributable To Noncontrolling Interest IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest	140215000	USD
CY2013	us-gaap	Gain Loss On Disposition Of Real Estate Discontinued Operations GainLossOnDispositionOfRealEstateDiscontinuedOperations	278231000	USD
CY2012	us-gaap	Gain Loss On Disposition Of Real Estate Discontinued Operations GainLossOnDispositionOfRealEstateDiscontinuedOperations	146311000	USD
CY2011	us-gaap	Gain Loss On Disposition Of Real Estate Discontinued Operations GainLossOnDispositionOfRealEstateDiscontinuedOperations	281090000	USD
CY2013	us-gaap	Income Loss From Discontinued Operations Net Of Tax IncomeLossFromDiscontinuedOperationsNetOfTax	294944000	USD
CY2011	us-gaap	Income Loss From Discontinued Operations Net Of Tax IncomeLossFromDiscontinuedOperationsNetOfTax	301155000	USD
CY2012	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	-307000	USD
CY2011	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	-252000	USD
CY2011	us-gaap	Other Comprehensive Income Derivatives Qualifying As Hedges Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeDerivativesQualifyingAsHedgesNetOfTaxPortionAttributableToParent	-85845000	USD
CY2013	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci On Derivatives Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesNetOfTax	-59376000	USD
CY2013	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	412517000	USD
CY2012	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	402882000	USD
CY2011	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	355777000	USD
CY2013	us-gaap	Income Loss From Continuing Operations Per Basic Share IncomeLossFromContinuingOperationsPerBasicShare	0.46
CY2012	us-gaap	Income Loss From Continuing Operations Per Basic Share IncomeLossFromContinuingOperationsPerBasicShare	2.57
CY2011	us-gaap	Income Loss From Continuing Operations Per Basic Share IncomeLossFromContinuingOperationsPerBasicShare	1.55
CY2013	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Basic Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare	2.32
CY2012	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Basic Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare	1.77
CY2011	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Basic Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare	3.34
CY2013	us-gaap	Income Loss From Continuing Operations Per Diluted Share IncomeLossFromContinuingOperationsPerDilutedShare	0.46
CY2012	us-gaap	Income Loss From Continuing Operations Per Diluted Share IncomeLossFromContinuingOperationsPerDilutedShare	2.55
CY2013	us-gaap	Share Based Compensation ShareBasedCompensation	15160000	USD
CY2013	us-gaap	Increase Decrease In Prepaid Deferred Expense And Other Assets IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets	5186000	USD
CY2011	us-gaap	Income Loss From Continuing Operations Per Diluted Share IncomeLossFromContinuingOperationsPerDilutedShare	1.55
CY2013	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Diluted Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare	2.32
CY2012	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Diluted Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare	1.77
CY2011	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Diluted Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare	3.32
CY2012	us-gaap	Amortization Of Financing Costs And Discounts AmortizationOfFinancingCostsAndDiscounts	6427000	USD
CY2011	us-gaap	Amortization Of Financing Costs And Discounts AmortizationOfFinancingCostsAndDiscounts	5834000	USD
CY2012	us-gaap	Share Based Compensation ShareBasedCompensation	8707000	USD
CY2011	us-gaap	Share Based Compensation ShareBasedCompensation	7244000	USD
CY2012	us-gaap	Income Loss From Equity Method Investments Net Of Dividends Or Distributions IncomeLossFromEquityMethodInvestmentsNetOfDividendsOrDistributions	12103000	USD
CY2011	us-gaap	Income Loss From Equity Method Investments Net Of Dividends Or Distributions IncomeLossFromEquityMethodInvestmentsNetOfDividendsOrDistributions	-2246000	USD
CY2012	us-gaap	Gains Losses On Extinguishment Of Debt GainsLossesOnExtinguishmentOfDebt	-1781000	USD
CY2011	avb	Casualty And Impairment Loss CasualtyAndImpairmentLoss	14052000	USD
CY2011	us-gaap	Gains Losses On Extinguishment Of Debt GainsLossesOnExtinguishmentOfDebt	-5820000	USD
CY2012	us-gaap	Increase Decrease In Restricted Cash For Operating Activities IncreaseDecreaseInRestrictedCashForOperatingActivities	-6543000	USD
CY2011	us-gaap	Increase Decrease In Restricted Cash For Operating Activities IncreaseDecreaseInRestrictedCashForOperatingActivities	7702000	USD
CY2012	us-gaap	Increase Decrease In Prepaid Deferred Expense And Other Assets IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets	-7992000	USD
CY2011	us-gaap	Increase Decrease In Prepaid Deferred Expense And Other Assets IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets	4018000	USD
CY2012	us-gaap	Increase Decrease In Accrued Liabilities IncreaseDecreaseInAccruedLiabilities	-4737000	USD
CY2011	us-gaap	Increase Decrease In Accrued Liabilities IncreaseDecreaseInAccruedLiabilities	9045000	USD
CY2013	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	724501000	USD
CY2012	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	540819000	USD
CY2011	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	429354000	USD
CY2012	us-gaap	Payments To Develop Real Estate Assets PaymentsToDevelopRealEstateAssets	755363000	USD
CY2011	us-gaap	Payments To Develop Real Estate Assets PaymentsToDevelopRealEstateAssets	640778000	USD
CY2012	us-gaap	Payments To Acquire Other Real Estate PaymentsToAcquireOtherRealEstate	155755000	USD
CY2011	us-gaap	Payments To Acquire Other Real Estate PaymentsToAcquireOtherRealEstate	46275000	USD
CY2012	us-gaap	Payments For Capital Improvements PaymentsForCapitalImprovements	23452000	USD
CY2011	us-gaap	Payments For Capital Improvements PaymentsForCapitalImprovements	41851000	USD
CY2012	us-gaap	Payments To Acquire Productive Assets PaymentsToAcquireProductiveAssets	3076000	USD
CY2011	us-gaap	Payments To Acquire Productive Assets PaymentsToAcquireProductiveAssets	8281000	USD
CY2013	us-gaap	Proceeds From Sale Of Real Estate Heldforinvestment ProceedsFromSaleOfRealEstateHeldforinvestment	919682000	USD
CY2012	us-gaap	Proceeds From Sale Of Real Estate Heldforinvestment ProceedsFromSaleOfRealEstateHeldforinvestment	274018000	USD
CY2011	us-gaap	Proceeds From Sale Of Real Estate Heldforinvestment ProceedsFromSaleOfRealEstateHeldforinvestment	310228000	USD
CY2012	us-gaap	Increase Decrease In Construction Payables IncreaseDecreaseInConstructionPayables	16832000	USD
CY2011	us-gaap	Increase Decrease In Construction Payables IncreaseDecreaseInConstructionPayables	2342000	USD
CY2012	avb	Increase Decrease In Cash In Construction Escrows IncreaseDecreaseInCashInConstructionEscrows	-16824000	USD
CY2011	avb	Increase Decrease In Cash In Construction Escrows IncreaseDecreaseInCashInConstructionEscrows	-14109000	USD
CY2011	us-gaap	Payments To Acquire Notes Receivable PaymentsToAcquireNotesReceivable	1701000	USD
CY2013	us-gaap	Payments To Acquire Businesses And Interest In Affiliates PaymentsToAcquireBusinessesAndInterestInAffiliates	-16164000	USD
CY2012	us-gaap	Payments To Acquire Businesses And Interest In Affiliates PaymentsToAcquireBusinessesAndInterestInAffiliates	-6586000	USD
CY2011	us-gaap	Payments To Acquire Businesses And Interest In Affiliates PaymentsToAcquireBusinessesAndInterestInAffiliates	30934000	USD
CY2013	us-gaap	Increase Decrease In Construction Payables IncreaseDecreaseInConstructionPayables	34779000	USD
CY2013	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-1181174000	USD
CY2012	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-623386000	USD
CY2011	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-443141000	USD
CY2012	us-gaap	Proceeds From Issuance Of Common Stock ProceedsFromIssuanceOfCommonStock	2430190000	USD
CY2011	us-gaap	Proceeds From Issuance Of Common Stock ProceedsFromIssuanceOfCommonStock	1049835000	USD
CY2012	us-gaap	Payments Of Dividends PaymentsOfDividends	365572000	USD
CY2011	us-gaap	Payments Of Dividends PaymentsOfDividends	318231000	USD
CY2012	us-gaap	Repayments Of Notes Payable RepaymentsOfNotesPayable	110013000	USD
CY2011	us-gaap	Repayments Of Notes Payable RepaymentsOfNotesPayable	200166000	USD
CY2013	us-gaap	Proceeds From Issuance Of Unsecured Debt ProceedsFromIssuanceOfUnsecuredDebt	750000000	USD
CY2013	us-gaap	Payments For Proceeds From Hedge Financing Activities PaymentsForProceedsFromHedgeFinancingActivities	51000000	USD
CY2013	us-gaap	Repayments Of Unsecured Debt RepaymentsOfUnsecuredDebt	100000000	USD
CY2012	us-gaap	Repayments Of Unsecured Debt RepaymentsOfUnsecuredDebt	381001000	USD
CY2011	us-gaap	Repayments Of Unsecured Debt RepaymentsOfUnsecuredDebt	189900000	USD
CY2012	us-gaap	Payments Of Financing Costs PaymentsOfFinancingCosts	15664000	USD
CY2011	us-gaap	Payments Of Financing Costs PaymentsOfFinancingCosts	5996000	USD
CY2012	us-gaap	Stock Issued During Period Shares Dividend Reinvestment Plan StockIssuedDuringPeriodSharesDividendReinvestmentPlan	2331	shares
CY2011	us-gaap	Payments To Minority Shareholders PaymentsToMinorityShareholders	25000	USD
CY2012	us-gaap	Shares Paid For Tax Withholding For Share Based Compensation SharesPaidForTaxWithholdingForShareBasedCompensation	121351	shares
CY2012	us-gaap	Payments To Acquire Interest In Joint Venture PaymentsToAcquireInterestInJointVenture	3350000	USD
CY2011	us-gaap	Payments To Acquire Interest In Joint Venture PaymentsToAcquireInterestInJointVenture	9070000	USD
CY2012	us-gaap	Payments Of Capital Distribution PaymentsOfCapitalDistribution	29000	USD
CY2011	us-gaap	Payments Of Capital Distribution PaymentsOfCapitalDistribution	20000	USD
CY2012	us-gaap	Payments For Proceeds From Real Estate Partnership Investment Net PaymentsForProceedsFromRealEstatePartnershipInvestmentNet	299000	USD
CY2011	us-gaap	Payments For Proceeds From Real Estate Partnership Investment Net PaymentsForProceedsFromRealEstatePartnershipInvestmentNet	194000	USD
CY2011	us-gaap	Stock Issued During Period Shares Share Based Compensation Forfeited StockIssuedDuringPeriodSharesShareBasedCompensationForfeited	505	shares
CY2012	us-gaap	Cash And Cash Equivalents Period Increase Decrease CashAndCashEquivalentsPeriodIncreaseDecrease	2116765000	USD
CY2011	us-gaap	Cash And Cash Equivalents Period Increase Decrease CashAndCashEquivalentsPeriodIncreaseDecrease	312446000	USD
CY2012	us-gaap	Interest Paid Net InterestPaidNet	119268000	USD
CY2013	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-1995404000	USD
CY2012	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	2199332000	USD
CY2011	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	326233000	USD
CY2011Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	616853000	USD
CY2011	us-gaap	Interest Paid Net InterestPaidNet	156898000	USD
CY2012	us-gaap	Stock Issued During Period Value Share Based Compensation Gross StockIssuedDuringPeriodValueShareBasedCompensationGross	12883000	USD
CY2013	us-gaap	Stock Issued During Period Value Share Based Compensation Gross StockIssuedDuringPeriodValueShareBasedCompensationGross	16019000	USD
CY2012	us-gaap	Stock Issued During Period Value Dividend Reinvestment Plan StockIssuedDuringPeriodValueDividendReinvestmentPlan	321000	USD
CY2013	us-gaap	Stock Issued During Period Value Dividend Reinvestment Plan StockIssuedDuringPeriodValueDividendReinvestmentPlan	269000	USD
CY2012	us-gaap	Adjustments Related To Tax Withholding For Share Based Compensation AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation	15543000	USD
CY2013	us-gaap	Adjustments Related To Tax Withholding For Share Based Compensation AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation	6127000	USD
CY2012	us-gaap	Stock Issued During Period Shares Share Based Compensation Forfeited StockIssuedDuringPeriodSharesShareBasedCompensationForfeited	7558	shares
CY2012	us-gaap	Stock Issued During Period Value Share Based Compensation Forfeited StockIssuedDuringPeriodValueShareBasedCompensationForfeited	393000	USD
CY2012	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Gross ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross	115303	shares
CY2013	us-gaap	Payments To Minority Shareholders PaymentsToMinorityShareholders	1965000	USD
CY2012	avb	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodValue	3357000	USD
CY2012	us-gaap	Other Comprehensive Income Loss Derivatives Qualifying As Hedges Before Tax OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesBeforeTax	-22876000	USD
CY2012	avb	Unsecured Notes Basis Adjustment Qualifying As Hedges Before Tax Prepaid Expenses And Other Assets UnsecuredNotesBasisAdjustmentQualifyingAsHedgesBeforeTaxPrepaidExpensesAndOtherAssets	-11000	USD
CY2011	us-gaap	Stock Issued During Period Shares Share Based Compensation Gross StockIssuedDuringPeriodSharesShareBasedCompensationGross	511817	shares
CY2011	us-gaap	Stock Issued During Period Value Share Based Compensation Gross StockIssuedDuringPeriodValueShareBasedCompensationGross	64747000	USD
CY2011	us-gaap	Stock Issued During Period Shares Dividend Reinvestment Plan StockIssuedDuringPeriodSharesDividendReinvestmentPlan	3343	shares
CY2011	us-gaap	Stock Issued During Period Value Dividend Reinvestment Plan StockIssuedDuringPeriodValueDividendReinvestmentPlan	403000	USD
CY2011	us-gaap	Shares Paid For Tax Withholding For Share Based Compensation SharesPaidForTaxWithholdingForShareBasedCompensation	129762	shares
CY2011	us-gaap	Adjustments Related To Tax Withholding For Share Based Compensation AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation	14891000	USD
CY2011	us-gaap	Stock Issued During Period Value Share Based Compensation Forfeited StockIssuedDuringPeriodValueShareBasedCompensationForfeited	35000	USD
CY2011	us-gaap	Stock Issued During Period Value Share Based Compensation StockIssuedDuringPeriodValueShareBasedCompensation	50224000	USD
CY2011	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Gross ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross	144827	shares
CY2011	avb	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodValue	4258000	USD
CY2011	us-gaap	Stock Issued During Period Shares Conversion Of Units StockIssuedDuringPeriodSharesConversionOfUnits	7500	shares
CY2011	us-gaap	Minority Interest Decrease From Redemptions MinorityInterestDecreaseFromRedemptions	365000	USD
CY2011	us-gaap	Other Comprehensive Income Loss Derivatives Qualifying As Hedges Before Tax OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesBeforeTax	-85845000	USD
CY2011	avb	Unsecured Notes Basis Adjustment Qualifying As Hedges Before Tax Prepaid Expenses And Other Assets UnsecuredNotesBasisAdjustmentQualifyingAsHedgesBeforeTaxPrepaidExpensesAndOtherAssets	-1498000	USD
CY2011	avb	Minority Interest Increase Decrease From Put Option Redemption Value Adjustment MinorityInterestIncreaseDecreaseFromPutOptionRedemptionValueAdjustment	2607000	USD
CY2011	avb	Repayment Of Tax Exempt Bond RepaymentOfTaxExemptBond	93440000	USD
CY2011	avb	Minority Interest Increase Decrease MinorityInterestIncreaseDecrease	3350000	USD
CY2013	us-gaap	Stock Issued During Period Shares Share Based Compensation Forfeited StockIssuedDuringPeriodSharesShareBasedCompensationForfeited	7653	shares
CY2013	us-gaap	Stock Issued During Period Value Share Based Compensation Forfeited StockIssuedDuringPeriodValueShareBasedCompensationForfeited	1105000	USD
CY2013	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Gross ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross	215230	shares
CY2013	avb	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodValue	5768000	USD
CY2013	avb	Other Comprehensive Income Loss Reclassification Adjustment On Derivatives To Interest Expense OtherComprehensiveIncomeLossReclassificationAdjustmentOnDerivativesToInterestExpense	5892000	USD
CY2013	avb	Other Comprehensive Income Loss Reclassification Adjustment On Derivatives To Loss On Interest Rate Contract OtherComprehensiveIncomeLossReclassificationAdjustmentOnDerivativesToLossOnInterestRateContract	53484000	USD
CY2013	avb	Minority Interest Increase Decrease From Put Option Redemption Value Adjustment MinorityInterestIncreaseDecreaseFromPutOptionRedemptionValueAdjustment	1246000	USD
CY2010Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	3315591000	USD
CY2011Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	4401892000	USD
CY2011	us-gaap	Net Income Loss NetIncomeLoss	440450000	USD
CY2012	us-gaap	Net Income Loss NetIncomeLoss	423869000	USD
CY2011	us-gaap	Minority Interest Change In Redemption Value MinorityInterestChangeInRedemptionValue	-2607000	USD
CY2012	us-gaap	Minority Interest Change In Redemption Value MinorityInterestChangeInRedemptionValue	-375000	USD
CY2013	us-gaap	Minority Interest Change In Redemption Value MinorityInterestChangeInRedemptionValue	-1246000	USD
CY2011	us-gaap	Minority Interest Period Increase Decrease MinorityInterestPeriodIncreaseDecrease	3350000	USD
CY2012	us-gaap	Minority Interest Period Increase Decrease MinorityInterestPeriodIncreaseDecrease	-3573000	USD
CY2013	us-gaap	Minority Interest Period Increase Decrease MinorityInterestPeriodIncreaseDecrease	1532000	USD
CY2011	us-gaap	Dividends Common Stock DividendsCommonStock	326813000	USD
CY2012	us-gaap	Dividends Common Stock DividendsCommonStock	391906000	USD
CY2013	us-gaap	Dividends Common Stock DividendsCommonStock	553829000	USD
CY2011	us-gaap	Stock Issued During Period Value New Issues StockIssuedDuringPeriodValueNewIssues	1035302000	USD
CY2012	us-gaap	Stock Issued During Period Value New Issues StockIssuedDuringPeriodValueNewIssues	2414775000	USD
CY2013	us-gaap	Stock Issued During Period Value New Issues StockIssuedDuringPeriodValueNewIssues	1872951000	USD
CY2013	us-gaap	Income Loss From Equity Method Investments Net Of Dividends Or Distributions IncomeLossFromEquityMethodInvestmentsNetOfDividendsOrDistributions	-33125000	USD
CY2011	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	22464000	USD
CY2012	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	17098000	USD
CY2013	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	27009000	USD
CY2013Q4	avb	Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements Net RealEstateAndAccumulatedDepreciationCarryingAmountOfLandAndBuildingsAndImprovementsNet	14284209000	USD
CY2013Q4	us-gaap	Real Estate Federal Income Tax Basis RealEstateFederalIncomeTaxBasis	16521643000	USD
CY2013	avb	Real Estate Acquisitions Construction Costs And Improvements RealEstateAcquisitionsConstructionCostsAndImprovements	7157639000	USD
CY2012	avb	Real Estate Acquisitions Construction Costs And Improvements RealEstateAcquisitionsConstructionCostsAndImprovements	934936000	USD
CY2011	avb	Real Estate Acquisitions Construction Costs And Improvements RealEstateAcquisitionsConstructionCostsAndImprovements	864439000	USD
CY2013	avb	Real Estate Dispositions Including Impairment Loss On Planned Dispositions RealEstateDispositionsIncludingImpairmentLossOnPlannedDispositions	428660000	USD
CY2012	avb	Real Estate Dispositions Including Impairment Loss On Planned Dispositions RealEstateDispositionsIncludingImpairmentLossOnPlannedDispositions	152089000	USD
CY2011	avb	Real Estate Dispositions Including Impairment Loss On Planned Dispositions RealEstateDispositionsIncludingImpairmentLossOnPlannedDispositions	237154000	USD
CY2013	us-gaap	Sec Schedule Iii Real Estate Accumulated Depreciation Depreciation Expense SECScheduleIIIRealEstateAccumulatedDepreciationDepreciationExpense	573715000	USD
CY2012	us-gaap	Sec Schedule Iii Real Estate Accumulated Depreciation Depreciation Expense SECScheduleIIIRealEstateAccumulatedDepreciationDepreciationExpense	260094000	USD
CY2011	us-gaap	Sec Schedule Iii Real Estate Accumulated Depreciation Depreciation Expense SECScheduleIIIRealEstateAccumulatedDepreciationDepreciationExpense	250269000	USD
CY2013	us-gaap	Real Estate Accumulated Depreciation Real Estate Sold RealEstateAccumulatedDepreciationRealEstateSold	113825000	USD
CY2012	us-gaap	Real Estate Accumulated Depreciation Real Estate Sold RealEstateAccumulatedDepreciationRealEstateSold	67338000	USD
CY2011	us-gaap	Real Estate Accumulated Depreciation Real Estate Sold RealEstateAccumulatedDepreciationRealEstateSold	92370000	USD
CY2013Q4	us-gaap	Preferred Stock Value PreferredStockValue		USD
CY2012	avb	Other Comprehensive Income Loss Reclassification Adjustment On Derivatives To Interest Expense OtherComprehensiveIncomeLossReclassificationAdjustmentOnDerivativesToInterestExpense	1889000	USD
CY2012	avb	Minority Interest Increase Decrease From Put Option Redemption Value Adjustment MinorityInterestIncreaseDecreaseFromPutOptionRedemptionValueAdjustment	375000	USD
CY2011Q4	us-gaap	Dividends Payable Current And Noncurrent DividendsPayableCurrentAndNoncurrent	84953000	USD
CY2013	us-gaap	Business Combination Acquisition Related Costs BusinessCombinationAcquisitionRelatedCosts	44052000	USD
CY2012	us-gaap	Business Combination Acquisition Related Costs BusinessCombinationAcquisitionRelatedCosts	9593000	USD
CY2012	avb	Reconciliation Of Income From Book Basis To Tax Basis Casualty And Impairment Loss ReconciliationOfIncomeFromBookBasisToTaxBasisCasualtyAndImpairmentLoss	1449000	USD
CY2011	avb	Reconciliation Of Income From Book Basis To Tax Basis Casualty And Impairment Loss ReconciliationOfIncomeFromBookBasisToTaxBasisCasualtyAndImpairmentLoss	14052000	USD
CY2013	us-gaap	Impairment Of Investments ImpairmentOfInvestments	0	USD
CY2012	us-gaap	Impairment Of Investments ImpairmentOfInvestments	0	USD
CY2013Q4	avb	Number Of Land Parcels Acquired NumberOfLandParcelsAcquired	4	property
CY2013	us-gaap	Gains Losses On Extinguishment Of Debt GainsLossesOnExtinguishmentOfDebt	-14921000	USD
CY2013	us-gaap	Increase Decrease In Restricted Cash For Operating Activities IncreaseDecreaseInRestrictedCashForOperatingActivities	28960000	USD
CY2013	us-gaap	Increase Decrease In Accrued Liabilities IncreaseDecreaseInAccruedLiabilities	10997000	USD
CY2013	us-gaap	Payments To Develop Real Estate Assets PaymentsToDevelopRealEstateAssets	1285715000	USD
CY2012	us-gaap	Business Acquisitions Pro Forma Revenue BusinessAcquisitionsProFormaRevenue	1411504000	USD
CY2013	us-gaap	Payments To Acquire Other Real Estate PaymentsToAcquireOtherRealEstate	839469000	USD
CY2013	us-gaap	Payments For Capital Improvements PaymentsForCapitalImprovements	24415000	USD
CY2013	us-gaap	Payments To Acquire Productive Assets PaymentsToAcquireProductiveAssets	2200000	USD
CY2013Q4	avb	Total Imputed Interest On Capital Leases Future Minimum Payments Due TotalImputedInterestOnCapitalLeasesFutureMinimumPaymentsDue	30519000	USD
CY2013	us-gaap	Proceeds From Issuance Of Common Stock ProceedsFromIssuanceOfCommonStock	4703000	USD
CY2013	us-gaap	Payments Of Dividends PaymentsOfDividends	526050000	USD
CY2013	us-gaap	Proceeds From Notes Payable ProceedsFromNotesPayable	84928000	USD
CY2013	us-gaap	Repayments Of Notes Payable RepaymentsOfNotesPayable	2110347000	USD
CY2012	us-gaap	Proceeds From Issuance Of Unsecured Debt ProceedsFromIssuanceOfUnsecuredDebt	700000000	USD
CY2012	us-gaap	Payments For Proceeds From Hedge Financing Activities PaymentsForProceedsFromHedgeFinancingActivities	54930000	USD
CY2013	us-gaap	Payments Of Financing Costs PaymentsOfFinancingCosts	10100000	USD
CY2013	us-gaap	Payments Of Capital Distribution PaymentsOfCapitalDistribution	32000	USD
CY2013	us-gaap	Payments For Proceeds From Real Estate Partnership Investment Net PaymentsForProceedsFromRealEstatePartnershipInvestmentNet	317000	USD
CY2013	avb	Payment For Redemption Of Preferred Interest Obligation PaymentForRedemptionOfPreferredInterestObligation	35224000	USD
CY2013	us-gaap	Cash And Cash Equivalents Period Increase Decrease CashAndCashEquivalentsPeriodIncreaseDecrease	-2452077000	USD
CY2012Q4	avb	Real Estate Gross At Carrying Value Excluding Gross Real Estate Assets Held For Sale RealEstateGrossAtCarryingValueExcludingGrossRealEstateAssetsHeldForSale	9621772000	USD
CY2013	us-gaap	Net Income Loss NetIncomeLoss	353141000	USD
CY2013	avb	Number Of Joint Ventures NumberOfJointVentures	3	item
CY2013Q4	us-gaap	Real Estate Accumulated Depreciation RealEstateAccumulatedDepreciation	2516112000	USD
CY2013Q4	us-gaap	Real Estate Gross At Carrying Value RealEstateGrossAtCarryingValue	16800321000	USD
CY2013Q4	us-gaap	Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements	13182159000	USD
CY2013Q4	us-gaap	Real Estate And Accumulated Depreciation Carrying Amount Of Land RealEstateAndAccumulatedDepreciationCarryingAmountOfLand	3618162000	USD
CY2013Q4	us-gaap	Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Carrying Costs RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionCarryingCosts	2531197000	USD
CY2013Q4	us-gaap	Real Estate And Accumulated Depreciation Initial Cost Of Buildings And Improvements RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements	10650962000	USD
CY2013Q4	us-gaap	Real Estate And Accumulated Depreciation Initial Cost Of Land RealEstateAndAccumulatedDepreciationInitialCostOfLand	3618162000	USD
CY2012Q4	us-gaap	Real Estate Gross At Carrying Value RealEstateGrossAtCarryingValue	10071342000	USD
CY2011Q4	us-gaap	Real Estate Gross At Carrying Value RealEstateGrossAtCarryingValue	9288496000	USD
CY2010Q4	us-gaap	Real Estate Gross At Carrying Value RealEstateGrossAtCarryingValue	8661211000	USD
CY2012Q4	us-gaap	Real Estate Accumulated Depreciation RealEstateAccumulatedDepreciation	2056222000	USD
CY2011Q4	us-gaap	Real Estate Accumulated Depreciation RealEstateAccumulatedDepreciation	1863466000	USD
CY2010Q4	us-gaap	Real Estate Accumulated Depreciation RealEstateAccumulatedDepreciation	1705567000	USD
CY2013Q4	avb	Operating Real Estate Property Net OperatingRealEstatePropertyNet	12386234000	USD
CY2012Q4	avb	Operating Real Estate Property Net OperatingRealEstatePropertyNet	6557675000	USD
CY2013Q4	us-gaap	Real Estate Investment Property Net RealEstateInvestmentPropertyNet	14491000	USD
CY2012Q4	us-gaap	Real Estate Investment Property Net RealEstateInvestmentPropertyNet	338629000	USD
CY2012	avb	Abandoned Pursuit Costs AbandonedPursuitCosts	1757000	USD
CY2011	avb	Abandoned Pursuit Costs AbandonedPursuitCosts	1957000	USD
CY2013	avb	Abandoned Pursuit Costs AbandonedPursuitCosts	998000	USD
CY2013	us-gaap	Business Acquisitions Pro Forma Income Loss From Continuing Operations Before Changes In Accounting And Extraordinary Items Net Of Tax BusinessAcquisitionsProFormaIncomeLossFromContinuingOperationsBeforeChangesInAccountingAndExtraordinaryItemsNetOfTax	348160000	USD
CY2012	us-gaap	Business Acquisitions Pro Forma Income Loss From Continuing Operations Before Changes In Accounting And Extraordinary Items Net Of Tax BusinessAcquisitionsProFormaIncomeLossFromContinuingOperationsBeforeChangesInAccountingAndExtraordinaryItemsNetOfTax	158738000	USD
CY2013	us-gaap	Interest Paid Net InterestPaidNet	179325000	USD
CY2013	us-gaap	Business Acquisition Pro Forma Earnings Per Share Diluted BusinessAcquisitionProFormaEarningsPerShareDiluted	2.67
CY2012	us-gaap	Business Acquisition Pro Forma Earnings Per Share Diluted BusinessAcquisitionProFormaEarningsPerShareDiluted	1.22
CY2013Q4	avb	Real Estate Gross At Carrying Value Excluding Gross Real Estate Assets Held For Sale RealEstateGrossAtCarryingValueExcludingGrossRealEstateAssetsHeldForSale	16773620000	USD
CY2011Q4	avb	Real Estate Gross At Carrying Value Excluding Gross Real Estate Assets Held For Sale RealEstateGrossAtCarryingValueExcludingGrossRealEstateAssetsHeldForSale	8654403000	USD

Files In Submission

Name	View Source	Status
0001047469-14-001617-index-headers.html	Edgar Link	pending
0001047469-14-001617-index.html	Edgar Link	pending
0001047469-14-001617.txt	Edgar Link	pending
0001047469-14-001617-xbrl.zip	Edgar Link	pending
a2218560z10-k.htm	Edgar Link	pending
a2218560zex-12_1.htm	Edgar Link	pending
a2218560zex-21_1.htm	Edgar Link	pending
a2218560zex-23_1.htm	Edgar Link	pending
a2218560zex-31_1.htm	Edgar Link	pending
a2218560zex-31_2.htm	Edgar Link	pending
a2218560zex-32.htm	Edgar Link	pending
avb-20131231.xml	Edgar Link	completed
avb-20131231.xsd	Edgar Link	pending
avb-20131231_cal.xml	Edgar Link	unprocessable
avb-20131231_def.xml	Edgar Link	unprocessable
avb-20131231_lab.xml	Edgar Link	unprocessable
avb-20131231_pre.xml	Edgar Link	unprocessable
FilingSummary.xml	Edgar Link	unprocessable
Financial_Report.xls	Edgar Link	pending
Financial_Report.xlsx	Edgar Link	pending
R1.htm	Edgar Link	pending
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report.css	Edgar Link	pending
Show.js	Edgar Link	pending

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$AVB
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2012 Q4 Form 10-K Financial Statement

#000104746914001617 Filed on March 03, 2014

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$AVB AVALONBAY COMMUNITIES INC Stock $avb

2012 Q4 Form 10-K Financial Statement

#000104746914001617 Filed on March 03, 2014

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$AVB
AVALONBAY COMMUNITIES INC Stock $avb