$EQR
EQUITY RESIDENTIAL Stock $eqr

$eqr Overview Financials Valuation SEC Filings Company Website

2014 Q4 Form 10-Q Financial Statement

#000090610714000023 Filed on November 06, 2014

Income Statement

Concept	2014 Q4	2014 Q3	2013 Q3
Revenue	$664.7M	$664.1M	$626.6M
YoY Change	4.01%	5.98%	38.73%
Cost Of Revenue	$215.7M	$220.4M	$215.1M
YoY Change	-0.83%	2.46%	35.03%
Gross Profit	$449.0M	$443.7M	$411.5M
YoY Change	6.5%	7.83%	40.73%
Gross Profit Margin	67.55%	66.81%	65.67%
Selling, General & Admin	$9.400M	$10.00M	$14.40M
YoY Change	-38.16%	-30.56%	42.57%
% of Gross Profit	2.09%	2.25%	3.5%
Research & Development
YoY Change
% of Gross Profit
Depreciation & Amortization	$193.1M	$190.5M	$276.7M
YoY Change	5.35%	-31.17%	98.59%
% of Gross Profit	43.01%	42.93%	67.24%
Operating Expenses	$202.4M	$200.4M	$291.1M
YoY Change	2.27%	-31.16%	94.72%
Operating Profit	$246.6M	$243.3M	$120.4M
YoY Change	10.24%	102.06%	-15.23%
Interest Expense	-$111.5M	-$120.3M	-$123.4M
YoY Change	-26.84%	-2.51%	165.38%
% of Operating Profit	-45.21%	-49.45%	-102.5%
Other Income/Expense, Net	-$1.900M	-$5.000M	-$4.400M
YoY Change	0.0%	13.64%	10.0%
Pretax Income	$225.0M	$118.0M	-$7.327M
YoY Change	224.21%	-1710.41%	-107.93%
Income Tax	$200.0K	$260.0K	$492.0K
% Of Pretax Income	0.09%	0.22%
Net Earnings	$217.7M	$221.7M	$377.2M
YoY Change	96.13%	-41.21%	66.8%
Net Earnings / Revenue	32.75%	33.39%	60.19%
Basic Earnings Per Share		$0.61	$1.05
Diluted Earnings Per Share	$574.0K	$0.61	$1.05
COMMON SHARES
Basic Shares Outstanding	362.4M shares	361.4M shares	359.8M shares
Diluted Shares Outstanding		378.0M shares	359.8M shares

Balance Sheet

Concept	2014 Q4	2014 Q3	2013 Q3
SHORT-TERM ASSETS
Cash & Short-Term Investments	$40.00M	$31.00M	$973.0M
YoY Change	-25.93%	-96.81%	2015.22%
Cash & Equivalents	$40.08M	$31.48M	$972.8M
Short-Term Investments
Other Short-Term Assets
YoY Change
Inventory
Prepaid Expenses
Receivables
Other Receivables
Total Short-Term Assets	$40.00M	$31.00M	$973.0M
YoY Change	-25.93%	-96.81%	2015.22%
LONG-TERM ASSETS
Property, Plant & Equipment	$22.24B	$22.26B	$22.09B
YoY Change	1.14%	0.79%	35.74%
Goodwill
YoY Change
Intangibles
YoY Change
Long-Term Investments	$105.0M	$128.0M	$166.0M
YoY Change	-41.34%	-22.89%	822.22%
Other Assets	$179.0M	$191.0M	$207.0M
YoY Change	-12.68%	-7.73%	21.76%
Total Long-Term Assets	$22.91B	$22.98B	$22.84B
YoY Change	0.57%	0.61%	37.39%
TOTAL ASSETS
Total Short-Term Assets	$40.00M	$31.00M	$973.0M
Total Long-Term Assets	$22.91B	$22.98B	$22.84B
Total Assets	$22.95B	$23.01B	$23.81B
YoY Change	0.51%	-3.37%	42.85%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable	$154.0M	$203.0M	$167.0M
YoY Change	29.41%	21.56%	57.55%
Accrued Expenses	$90.00M	$86.00M	$85.00M
YoY Change	15.38%	1.18%	7.59%
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	$508.0M	$553.0M	$473.0M
YoY Change	-0.78%	16.91%	30.66%
LONG-TERM LIABILITIES
Long-Term Debt	$10.85B	$10.96B	$11.71B
YoY Change	0.73%	-6.4%	25.76%
Other Long-Term Liabilities	$390.0M	$349.0M	$332.0M
YoY Change	12.07%	5.12%	-10.27%
Total Long-Term Liabilities	$11.24B	$11.31B	$12.04B
YoY Change	1.09%	-6.08%	24.38%
TOTAL LIABILITIES
Total Short-Term Liabilities	$508.0M	$553.0M	$473.0M
Total Long-Term Liabilities	$11.24B	$11.31B	$12.04B
Total Liabilities	$11.74B	$11.86B	$12.51B
YoY Change	1.0%	-5.21%	24.62%
SHAREHOLDERS EQUITY
Retained Earnings	$1.951B	$1.915B	$2.172B
YoY Change	-4.72%	-11.8%	181.77%
Common Stock	$3.629M	$3.622M	$3.604M
YoY Change	0.67%	0.5%	19.06%
Preferred Stock
YoY Change
Treasury Stock (at cost)
YoY Change
Treasury Stock Shares
Shareholders Equity	$10.37B	$10.38B	$10.60B
YoY Change
Total Liabilities & Shareholders Equity	$22.95B	$23.01B	$23.81B
YoY Change	0.51%	-3.37%	42.85%

Cashflow Statement

Concept	2014 Q4	2014 Q3	2013 Q3
OPERATING ACTIVITIES
Net Income	$217.7M	$221.7M	$377.2M
YoY Change	96.13%	-41.21%	66.8%
Depreciation, Depletion And Amortization	$193.1M	$190.5M	$276.7M
YoY Change	5.35%	-31.17%	98.59%
Cash From Operating Activities	$309.8M	$394.8M	$349.3M
YoY Change	204.32%	13.03%	26.01%
INVESTING ACTIVITIES
Capital Expenditures	-$270.6M	-$331.1M	-$142.6M
YoY Change	68.91%	132.19%	-56.89%
Acquisitions
YoY Change
Other Investing Activities	$282.2M	$164.6M	$762.9M
YoY Change	195.81%	-78.42%	122.42%
Cash From Investing Activities	$11.40M	-$166.5M	$620.3M
YoY Change	-117.59%	-126.84%	4984.43%
FINANCING ACTIVITIES
Cash Dividend Paid
YoY Change
Common Stock Issuance & Retirement, Net
YoY Change
Debt Paid & Issued, Net
YoY Change
Cash From Financing Activities	-312.7M	-272.9M	-149.5M
YoY Change	-67.3%	82.54%	-48.13%
NET CHANGE
Cash From Operating Activities	309.8M	394.8M	349.3M
Cash From Investing Activities	11.40M	-166.5M	620.3M
Cash From Financing Activities	-312.7M	-272.9M	-149.5M
Net Change In Cash	8.500M	-44.60M	820.1M
YoY Change	-100.92%	-105.44%	68241.67%
FREE CASH FLOW
Cash From Operating Activities	$309.8M	$394.8M	$349.3M
Capital Expenditures	-$270.6M	-$331.1M	-$142.6M
Free Cash Flow	$580.4M	$725.9M	$491.9M
YoY Change	121.53%	47.57%	-19.1%

Facts In Submission

Frame	Concept Type	Concept / XBRL Key	Value	Unit
CY2014Q3	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-164806000	USD
CY2013Q4	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-155162000	USD
CY2014Q3	us-gaap	Additional Paid In Capital AdditionalPaidInCapital	8574176000	USD
CY2013Q4	us-gaap	Additional Paid In Capital AdditionalPaidInCapital	8561500000	USD
	us-gaap	Amortization Of Debt Discount Premium AmortizationOfDebtDiscountPremium	-37612000	USD
	us-gaap	Amortization Of Debt Discount Premium AmortizationOfDebtDiscountPremium	-8750000	USD
	us-gaap	Amortization Of Deferred Hedge Gains AmortizationOfDeferredHedgeGains	15683000	USD
	us-gaap	Amortization Of Deferred Hedge Gains AmortizationOfDeferredHedgeGains	12205000	USD
	us-gaap	Amortization Of Financing Costs AmortizationOfFinancingCosts	8554000	USD
CY2014Q3	us-gaap	Amortization Of Financing Costs AmortizationOfFinancingCosts	2628000	USD
	us-gaap	Amortization Of Financing Costs AmortizationOfFinancingCosts	15636000	USD
CY2013Q3	us-gaap	Amortization Of Financing Costs AmortizationOfFinancingCosts	4335000	USD
	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	2376000	USD
	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	2214000	USD
CY2014Q3	us-gaap	Assets Assets	23008094000	USD
CY2013Q4	us-gaap	Assets Assets	22834545000	USD
CY2013Q4	us-gaap	Assets Fair Value Disclosure AssetsFairValueDisclosure	102555000	USD
CY2014Q3	us-gaap	Assets Fair Value Disclosure AssetsFairValueDisclosure	99028000	USD
	us-gaap	Business Acquisition Pro Forma Earnings Per Share Basic BusinessAcquisitionProFormaEarningsPerShareBasic	5.76
CY2013Q3	us-gaap	Business Acquisition Pro Forma Earnings Per Share Basic BusinessAcquisitionProFormaEarningsPerShareBasic	1.30
CY2013Q3	us-gaap	Business Acquisition Pro Forma Earnings Per Share Diluted BusinessAcquisitionProFormaEarningsPerShareDiluted	1.30
	us-gaap	Business Acquisition Pro Forma Earnings Per Share Diluted BusinessAcquisitionProFormaEarningsPerShareDiluted	5.74
CY2013Q3	us-gaap	Business Acquisitions Pro Forma Income Loss From Continuing Operations Before Changes In Accounting And Extraordinary Items Net Of Tax BusinessAcquisitionsProFormaIncomeLossFromContinuingOperationsBeforeChangesInAccountingAndExtraordinaryItemsNetOfTax	84978000	USD
	us-gaap	Business Acquisitions Pro Forma Income Loss From Continuing Operations Before Changes In Accounting And Extraordinary Items Net Of Tax BusinessAcquisitionsProFormaIncomeLossFromContinuingOperationsBeforeChangesInAccountingAndExtraordinaryItemsNetOfTax	132592000	USD
	us-gaap	Business Acquisitions Pro Forma Net Income Loss BusinessAcquisitionsProFormaNetIncomeLoss	2156938000	USD
CY2013Q3	us-gaap	Business Acquisitions Pro Forma Net Income Loss BusinessAcquisitionsProFormaNetIncomeLoss	488159000	USD
	us-gaap	Business Acquisitions Pro Forma Revenue BusinessAcquisitionsProFormaRevenue	1854509000	USD
CY2013Q3	us-gaap	Business Acquisitions Pro Forma Revenue BusinessAcquisitionsProFormaRevenue	629446000	USD
	us-gaap	Business Combination Acquisition Related Costs BusinessCombinationAcquisitionRelatedCosts	300000	USD
	us-gaap	Business Combination Acquisition Related Costs BusinessCombinationAcquisitionRelatedCosts	200000	USD
CY2014Q3	us-gaap	Business Combination Recognized Identifiable Assets Acquired And Liabilities Assumed Assets BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAssets	404400000	USD
CY2014Q3	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	31478000	USD
CY2013Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	53534000	USD
CY2013Q3	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	972761000	USD
CY2012Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	612590000	USD
	us-gaap	Cash And Cash Equivalents Period Increase Decrease CashAndCashEquivalentsPeriodIncreaseDecrease	-22056000	USD
	us-gaap	Cash And Cash Equivalents Period Increase Decrease CashAndCashEquivalentsPeriodIncreaseDecrease	360171000	USD
CY2014Q3	us-gaap	Commitments And Contingencies CommitmentsAndContingencies		USD
CY2013Q4	us-gaap	Commitments And Contingencies CommitmentsAndContingencies		USD
CY2013Q3	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.40
CY2014Q3	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.50
	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	1.20
	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	1.50
CY2014Q3	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	0.01
CY2013Q4	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	0.01
CY2014Q3	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	1000000000	shares
CY2013Q4	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	1000000000	shares
CY2013Q4	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	360479260	shares
CY2014Q3	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	362208087	shares
CY2014Q3	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	362208087	shares
CY2013Q4	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	360479260	shares
CY2013Q4	us-gaap	Common Stock Value CommonStockValue	3605000	USD
CY2014Q3	us-gaap	Common Stock Value CommonStockValue	3622000	USD
CY2014Q3	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	223844000	USD
CY2013Q3	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	374741000	USD
	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	404293000	USD
	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	1742469000	USD
CY2013Q3	us-gaap	Comprehensive Income Net Of Tax Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest	14428000	USD
	us-gaap	Comprehensive Income Net Of Tax Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest	17705000	USD
	us-gaap	Comprehensive Income Net Of Tax Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest	70770000	USD
CY2014Q3	us-gaap	Comprehensive Income Net Of Tax Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest	9530000	USD
CY2014Q3	us-gaap	Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest	233374000	USD
	us-gaap	Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest	421998000	USD
	us-gaap	Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest	1813239000	USD
CY2013Q3	us-gaap	Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest	389169000	USD
CY2014Q3	us-gaap	Cost Of Property Repairs And Maintenance CostOfPropertyRepairsAndMaintenance	120144000	USD
	us-gaap	Cost Of Property Repairs And Maintenance CostOfPropertyRepairsAndMaintenance	361105000	USD
	us-gaap	Cost Of Property Repairs And Maintenance CostOfPropertyRepairsAndMaintenance	330812000	USD
CY2013Q3	us-gaap	Cost Of Property Repairs And Maintenance CostOfPropertyRepairsAndMaintenance	118782000	USD
	us-gaap	Costs And Expenses CostsAndExpenses	1459949000	USD
CY2014Q3	us-gaap	Costs And Expenses CostsAndExpenses	420809000	USD
	us-gaap	Costs And Expenses CostsAndExpenses	1279263000	USD
CY2013Q3	us-gaap	Costs And Expenses CostsAndExpenses	506233000	USD
	us-gaap	Debt Instrument Basis Spread On Variable Rate1 DebtInstrumentBasisSpreadOnVariableRate1	0.0105
CY2013Q4	us-gaap	Debt Instrument Cumulative Sinking Fund Payments DebtInstrumentCumulativeSinkingFundPayments	33868000	USD
CY2014Q3	us-gaap	Debt Instrument Cumulative Sinking Fund Payments DebtInstrumentCumulativeSinkingFundPayments	39425000	USD
CY2014Q3	us-gaap	Debt Instrument Face Amount DebtInstrumentFaceAmount	750000000	USD
CY2013Q4	us-gaap	Debt Instrument Fair Value DebtInstrumentFairValue	5100000000	USD
CY2014Q3	us-gaap	Debt Instrument Fair Value DebtInstrumentFairValue	5100000000	USD
	us-gaap	Debt Instrument Interest Rate Stated Percentage Rate Range Maximum DebtInstrumentInterestRateStatedPercentageRateRangeMaximum	0.0725
	us-gaap	Debt Instrument Interest Rate Stated Percentage Rate Range Minimum DebtInstrumentInterestRateStatedPercentageRateRangeMinimum	0.0003
	us-gaap	Debt Instrument Maturity Date DebtInstrumentMaturityDate	2061-05-01
	us-gaap	Debt Instrument Maturity Date Range End1 DebtInstrumentMaturityDateRangeEnd1	2044-12-31
CY2014Q3	us-gaap	Deferred Finance Costs Net DeferredFinanceCostsNet	60530000	USD
CY2013Q4	us-gaap	Deferred Finance Costs Net DeferredFinanceCostsNet	58486000	USD
	us-gaap	Depreciation Depreciation	565772000	USD
CY2014Q3	us-gaap	Depreciation Depreciation	190469000	USD
	us-gaap	Depreciation Depreciation	796233000	USD
CY2013Q3	us-gaap	Depreciation Depreciation	276707000	USD
CY2013Q4	us-gaap	Derivative Fair Value Of Derivative Asset DerivativeFairValueOfDerivativeAsset	18710000	USD
CY2014Q3	us-gaap	Derivative Fair Value Of Derivative Asset DerivativeFairValueOfDerivativeAsset	678000	USD
CY2014Q3	us-gaap	Derivative Fair Value Of Derivative Liability DerivativeFairValueOfDerivativeLiability	2927000	USD
	us-gaap	Derivative Instruments Gain Loss Recognized In Income Ineffective Portion And Amount Excluded From Effectiveness Testing Net DerivativeInstrumentsGainLossRecognizedInIncomeIneffectivePortionAndAmountExcludedFromEffectivenessTestingNet	0	USD
	us-gaap	Derivative Instruments Gain Loss Recognized In Income Ineffective Portion And Amount Excluded From Effectiveness Testing Net DerivativeInstrumentsGainLossRecognizedInIncomeIneffectivePortionAndAmountExcludedFromEffectivenessTestingNet	91000	USD
	us-gaap	Derivative Instruments Gain Recognized In Other Comprehensive Income Effective Portion DerivativeInstrumentsGainRecognizedInOtherComprehensiveIncomeEffectivePortion	8737000	USD
	us-gaap	Derivative Instruments Gain Recognized In Other Comprehensive Income Effective Portion DerivativeInstrumentsGainRecognizedInOtherComprehensiveIncomeEffectivePortion	-21693000	USD
	us-gaap	Derivative Instruments Loss Reclassified From Accumulated Oci Into Income Effective Portion DerivativeInstrumentsLossReclassifiedFromAccumulatedOCIIntoIncomeEffectivePortion	-16084000	USD
	us-gaap	Derivative Instruments Loss Reclassified From Accumulated Oci Into Income Effective Portion DerivativeInstrumentsLossReclassifiedFromAccumulatedOCIIntoIncomeEffectivePortion	-12606000	USD
CY2014Q3	us-gaap	Derivative Liabilities DerivativeLiabilities	2485000	USD
CY2014Q3	us-gaap	Development In Process DevelopmentInProcess	1046210000	USD
CY2013Q4	us-gaap	Development In Process DevelopmentInProcess	988867000	USD
	us-gaap	Discontinued Operation Gain Loss On Disposal Of Discontinued Operation Net Of Tax DiscontinuedOperationGainLossOnDisposalOfDiscontinuedOperationNetOfTax	1990577000	USD
	us-gaap	Discontinued Operation Gain Loss On Disposal Of Discontinued Operation Net Of Tax DiscontinuedOperationGainLossOnDisposalOfDiscontinuedOperationNetOfTax	223000	USD
CY2013Q3	us-gaap	Discontinued Operation Gain Loss On Disposal Of Discontinued Operation Net Of Tax DiscontinuedOperationGainLossOnDisposalOfDiscontinuedOperationNetOfTax	401703000	USD
CY2014Q3	us-gaap	Discontinued Operation Gain Loss On Disposal Of Discontinued Operation Net Of Tax DiscontinuedOperationGainLossOnDisposalOfDiscontinuedOperationNetOfTax	-1000	USD
	us-gaap	Discontinued Operation Tax Effect Of Discontinued Operation DiscontinuedOperationTaxEffectOfDiscontinuedOperation	504000	USD
	us-gaap	Discontinued Operation Tax Effect Of Discontinued Operation DiscontinuedOperationTaxEffectOfDiscontinuedOperation	13000	USD
CY2014Q3	us-gaap	Discontinued Operation Tax Effect Of Discontinued Operation DiscontinuedOperationTaxEffectOfDiscontinuedOperation	0	USD
CY2013Q3	us-gaap	Discontinued Operation Tax Effect Of Discontinued Operation DiscontinuedOperationTaxEffectOfDiscontinuedOperation	41000	USD
	us-gaap	Disposal Group Including Discontinued Operation General And Administrative Expense DisposalGroupIncludingDiscontinuedOperationGeneralAndAdministrativeExpense	59000	USD
	us-gaap	Disposal Group Including Discontinued Operation General And Administrative Expense DisposalGroupIncludingDiscontinuedOperationGeneralAndAdministrativeExpense	77000	USD
CY2013Q3	us-gaap	Disposal Group Including Discontinued Operation General And Administrative Expense DisposalGroupIncludingDiscontinuedOperationGeneralAndAdministrativeExpense	4000	USD
CY2014Q3	us-gaap	Disposal Group Including Discontinued Operation General And Administrative Expense DisposalGroupIncludingDiscontinuedOperationGeneralAndAdministrativeExpense	8000	USD
	us-gaap	Disposal Group Including Discontinued Operation Interest Expense DisposalGroupIncludingDiscontinuedOperationInterestExpense	0	USD
CY2013Q3	us-gaap	Disposal Group Including Discontinued Operation Interest Expense DisposalGroupIncludingDiscontinuedOperationInterestExpense	18000	USD
CY2014Q3	us-gaap	Disposal Group Including Discontinued Operation Interest Expense DisposalGroupIncludingDiscontinuedOperationInterestExpense	0	USD
	us-gaap	Disposal Group Including Discontinued Operation Interest Expense DisposalGroupIncludingDiscontinuedOperationInterestExpense	1276000	USD
CY2013Q3	us-gaap	Disposal Group Including Discontinued Operation Operating Expense DisposalGroupIncludingDiscontinuedOperationOperatingExpense	7763000	USD
	us-gaap	Disposal Group Including Discontinued Operation Operating Expense DisposalGroupIncludingDiscontinuedOperationOperatingExpense	81115000	USD
CY2014Q3	us-gaap	Disposal Group Including Discontinued Operation Operating Expense DisposalGroupIncludingDiscontinuedOperationOperatingExpense	76000	USD
	us-gaap	Disposal Group Including Discontinued Operation Operating Expense DisposalGroupIncludingDiscontinuedOperationOperatingExpense	80000	USD
CY2013Q3	us-gaap	Disposal Group Including Discontinued Operation Operating Income Loss DisposalGroupIncludingDiscontinuedOperationOperatingIncomeLoss	3472000	USD
	us-gaap	Disposal Group Including Discontinued Operation Operating Income Loss DisposalGroupIncludingDiscontinuedOperationOperatingIncomeLoss	38076000	USD
	us-gaap	Disposal Group Including Discontinued Operation Operating Income Loss DisposalGroupIncludingDiscontinuedOperationOperatingIncomeLoss	1138000	USD
CY2014Q3	us-gaap	Disposal Group Including Discontinued Operation Operating Income Loss DisposalGroupIncludingDiscontinuedOperationOperatingIncomeLoss	-133000	USD
CY2013Q3	us-gaap	Disposal Group Including Discontinued Operation Other Expense DisposalGroupIncludingDiscontinuedOperationOtherExpense	0	USD
	us-gaap	Disposal Group Including Discontinued Operation Other Expense DisposalGroupIncludingDiscontinuedOperationOtherExpense	0	USD
CY2014Q3	us-gaap	Disposal Group Including Discontinued Operation Other Expense DisposalGroupIncludingDiscontinuedOperationOtherExpense	0	USD
	us-gaap	Disposal Group Including Discontinued Operation Other Expense DisposalGroupIncludingDiscontinuedOperationOtherExpense	3000	USD
CY2013Q3	us-gaap	Disposal Group Including Discontinued Operation Rental Income DisposalGroupIncludingDiscontinuedOperationRentalIncome	11235000	USD
	us-gaap	Disposal Group Including Discontinued Operation Rental Income DisposalGroupIncludingDiscontinuedOperationRentalIncome	119191000	USD
CY2014Q3	us-gaap	Disposal Group Including Discontinued Operation Rental Income DisposalGroupIncludingDiscontinuedOperationRentalIncome	-57000	USD
	us-gaap	Disposal Group Including Discontinued Operation Rental Income DisposalGroupIncludingDiscontinuedOperationRentalIncome	1218000	USD
CY2013Q3	us-gaap	Disposal Group Including Discontinued Operation Revenue DisposalGroupIncludingDiscontinuedOperationRevenue	11235000	USD
	us-gaap	Disposal Group Including Discontinued Operation Revenue DisposalGroupIncludingDiscontinuedOperationRevenue	1218000	USD
	us-gaap	Disposal Group Including Discontinued Operation Revenue DisposalGroupIncludingDiscontinuedOperationRevenue	119191000	USD
CY2014Q3	us-gaap	Disposal Group Including Discontinued Operation Revenue DisposalGroupIncludingDiscontinuedOperationRevenue	-57000	USD
CY2013Q4	us-gaap	Dividends Payable Current And Noncurrent DividendsPayableCurrentAndNoncurrent	243511000	USD
CY2014Q3	us-gaap	Dividends Payable Current And Noncurrent DividendsPayableCurrentAndNoncurrent	188266000	USD
	us-gaap	Dividends Preferred Stock DividendsPreferredStock	3109000	USD
CY2013Q3	us-gaap	Dividends Preferred Stock DividendsPreferredStock	1037000	USD
CY2014Q3	us-gaap	Dividends Preferred Stock DividendsPreferredStock	1037000	USD
	us-gaap	Dividends Preferred Stock DividendsPreferredStock	3109000	USD
CY2014Q3	us-gaap	Earnest Money Deposits EarnestMoneyDeposits	330000	USD
CY2013Q4	us-gaap	Earnest Money Deposits EarnestMoneyDeposits	4514000	USD
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	4.871
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.137
CY2013Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.045
CY2014Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.611
CY2013Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.045
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.131
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	4.871
CY2014Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.607
	us-gaap	Equity Method Investment Dividends Or Distributions EquityMethodInvestmentDividendsOrDistributions	4557000	USD
	us-gaap	Equity Method Investment Dividends Or Distributions EquityMethodInvestmentDividendsOrDistributions	1519000	USD
CY2014Q3	us-gaap	Equity Method Investment Ownership Percentage EquityMethodInvestmentOwnershipPercentage	0.20
CY2014Q3	us-gaap	Escrow Deposit EscrowDeposit	2049000	USD
CY2013Q4	us-gaap	Escrow Deposit EscrowDeposit	3687000	USD
CY2013Q4	us-gaap	Finite Lived Intangible Asset Acquired In Place Leases FiniteLivedIntangibleAssetAcquiredInPlaceLeases	502218000	USD
CY2014Q3	us-gaap	Finite Lived Intangible Asset Acquired In Place Leases FiniteLivedIntangibleAssetAcquiredInPlaceLeases	509499000	USD
CY2013Q4	us-gaap	Finite Lived Intangible Asset Off Market Lease Favorable Gross FiniteLivedIntangibleAssetOffMarketLeaseFavorableGross	1260000	USD
CY2014Q3	us-gaap	Finite Lived Intangible Asset Off Market Lease Favorable Gross FiniteLivedIntangibleAssetOffMarketLeaseFavorableGross	1260000	USD
CY2013Q1	us-gaap	Finite Lived Intangible Asset Off Market Lease Favorable Gross FiniteLivedIntangibleAssetOffMarketLeaseFavorableGross	1260000	USD
CY2014Q3	us-gaap	Finite Lived Intangible Assets Accumulated Amortization FiniteLivedIntangibleAssetsAccumulatedAmortization	7777000	USD
CY2013Q4	us-gaap	Finite Lived Intangible Assets Accumulated Amortization FiniteLivedIntangibleAssetsAccumulatedAmortization	4364000	USD
CY2014Q3	us-gaap	Finite Lived Intangible Assets Amortization Expense Next Twelve Months FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths	3382000	USD
CY2014Q3	us-gaap	Finite Lived Intangible Assets Amortization Expense Remainder Of Fiscal Year FiniteLivedIntangibleAssetsAmortizationExpenseRemainderOfFiscalYear	846000	USD
CY2014Q3	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Five FiniteLivedIntangibleAssetsAmortizationExpenseYearFive	4250000	USD
CY2014Q3	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Four FiniteLivedIntangibleAssetsAmortizationExpenseYearFour	4250000	USD
CY2014Q3	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Three FiniteLivedIntangibleAssetsAmortizationExpenseYearThree	3781000	USD
CY2013Q4	us-gaap	Fixtures And Equipment Gross FixturesAndEquipmentGross	1214220000	USD
CY2014Q3	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Two FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo	3425000	USD
CY2014Q3	us-gaap	Finite Lived Intangible Assets Gross FiniteLivedIntangibleAssetsGross	179511000	USD
CY2013Q4	us-gaap	Finite Lived Intangible Assets Gross FiniteLivedIntangibleAssetsGross	179511000	USD
CY2014Q3	us-gaap	Finite Lived Intangible Assets Net FiniteLivedIntangibleAssetsNet	171734000	USD
CY2013Q4	us-gaap	Finite Lived Intangible Assets Net FiniteLivedIntangibleAssetsNet	175147000	USD
CY2014Q3	us-gaap	Fixtures And Equipment Gross FixturesAndEquipmentGross	1345371000	USD
	us-gaap	Gain Loss On Cash Flow Hedge Ineffectiveness Net GainLossOnCashFlowHedgeIneffectivenessNet	100000	USD
	us-gaap	Gain Loss On Sale Of Investments GainLossOnSaleOfInvestments	-57000	USD
	us-gaap	Gain Loss On Sale Of Investments GainLossOnSaleOfInvestments	-830000	USD
	us-gaap	Gain Loss On Sale Of Securities Net GainLossOnSaleOfSecuritiesNet	0	USD
CY2013Q3	us-gaap	Gain Loss On Sale Of Securities Net GainLossOnSaleOfSecuritiesNet	-830000	USD
CY2014Q3	us-gaap	Gain Loss On Sale Of Securities Net GainLossOnSaleOfSecuritiesNet	0	USD
	us-gaap	Gain Loss On Sale Of Securities Net GainLossOnSaleOfSecuritiesNet	-830000	USD
CY2014Q3	us-gaap	Gains Losses On Sales Of Investment Real Estate GainsLossesOnSalesOfInvestmentRealEstate	113641000	USD
	us-gaap	Gains Losses On Sales Of Investment Real Estate GainsLossesOnSalesOfInvestmentRealEstate	128544000	USD
CY2013Q3	us-gaap	Gains Losses On Sales Of Investment Real Estate GainsLossesOnSalesOfInvestmentRealEstate	0	USD
	us-gaap	Gains Losses On Sales Of Investment Real Estate GainsLossesOnSalesOfInvestmentRealEstate	0	USD
	us-gaap	General And Administrative Expense GeneralAndAdministrativeExpense	47017000	USD
CY2013Q3	us-gaap	General And Administrative Expense GeneralAndAdministrativeExpense	14437000	USD
	us-gaap	General And Administrative Expense GeneralAndAdministrativeExpense	41296000	USD
CY2014Q3	us-gaap	General And Administrative Expense GeneralAndAdministrativeExpense	9968000	USD
CY2014Q3	us-gaap	Income Loss Attributable To Noncontrolling Interest IncomeLossAttributableToNoncontrollingInterest	8740000	USD
	us-gaap	Income Loss Attributable To Noncontrolling Interest IncomeLossAttributableToNoncontrollingInterest	-9517000	USD
	us-gaap	Income Loss Attributable To Noncontrolling Interest IncomeLossAttributableToNoncontrollingInterest	16216000	USD
CY2013Q3	us-gaap	Income Loss Attributable To Noncontrolling Interest IncomeLossAttributableToNoncontrollingInterest	-521000	USD
	us-gaap	Income Loss Before Extraordinary Items And Cumulative Effect Of Change In Accounting Principle IncomeLossBeforeExtraordinaryItemsAndCumulativeEffectOfChangeInAccountingPrinciple	1789483000	USD
CY2013Q3	us-gaap	Income Loss Before Extraordinary Items And Cumulative Effect Of Change In Accounting Principle IncomeLossBeforeExtraordinaryItemsAndCumulativeEffectOfChangeInAccountingPrinciple	391717000	USD
CY2014Q3	us-gaap	Income Loss Before Extraordinary Items And Cumulative Effect Of Change In Accounting Principle IncomeLossBeforeExtraordinaryItemsAndCumulativeEffectOfChangeInAccountingPrinciple	117549000	USD
	us-gaap	Income Loss Before Extraordinary Items And Cumulative Effect Of Change In Accounting Principle IncomeLossBeforeExtraordinaryItemsAndCumulativeEffectOfChangeInAccountingPrinciple	303098000	USD
CY2014Q3	us-gaap	Income Loss From Continuing Operations IncomeLossFromContinuingOperations	220767000	USD
	us-gaap	Income Loss From Continuing Operations IncomeLossFromContinuingOperations	409017000	USD
CY2013Q3	us-gaap	Income Loss From Continuing Operations IncomeLossFromContinuingOperations	-13670000	USD
	us-gaap	Income Loss From Continuing Operations IncomeLossFromContinuingOperations	-229806000	USD
	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	-190420000	USD
	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	311099000	USD
CY2013Q3	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	-7327000	USD
CY2014Q3	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	117995000	USD
CY2013Q3	us-gaap	Income Loss From Continuing Operations Including Portion Attributable To Noncontrolling Interest IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest	-13465000	USD
	us-gaap	Income Loss From Continuing Operations Including Portion Attributable To Noncontrolling Interest IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest	-237315000	USD
CY2014Q3	us-gaap	Income Loss From Continuing Operations Including Portion Attributable To Noncontrolling Interest IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest	117611000	USD
	us-gaap	Income Loss From Continuing Operations Including Portion Attributable To Noncontrolling Interest IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest	301598000	USD
	us-gaap	Income Loss From Continuing Operations Per Basic Share IncomeLossFromContinuingOperationsPerBasicShare	1.133
	us-gaap	Income Loss From Continuing Operations Per Basic Share IncomeLossFromContinuingOperationsPerBasicShare	-0.652
CY2014Q3	us-gaap	Income Loss From Continuing Operations Per Basic Share IncomeLossFromContinuingOperationsPerBasicShare	0.611
CY2013Q3	us-gaap	Income Loss From Continuing Operations Per Basic Share IncomeLossFromContinuingOperationsPerBasicShare	-0.038
	us-gaap	Income Loss From Continuing Operations Per Diluted Share IncomeLossFromContinuingOperationsPerDilutedShare	-0.652
CY2013Q3	us-gaap	Income Loss From Continuing Operations Per Diluted Share IncomeLossFromContinuingOperationsPerDilutedShare	-0.038
CY2014Q3	us-gaap	Income Loss From Continuing Operations Per Diluted Share IncomeLossFromContinuingOperationsPerDilutedShare	0.607
	us-gaap	Income Loss From Continuing Operations Per Diluted Share IncomeLossFromContinuingOperationsPerDilutedShare	1.127
CY2013Q3	us-gaap	Income Loss From Discontinued Operations Net Of Tax IncomeLossFromDiscontinuedOperationsNetOfTax	405182000	USD
	us-gaap	Income Loss From Discontinued Operations Net Of Tax IncomeLossFromDiscontinuedOperationsNetOfTax	1500000	USD
CY2014Q3	us-gaap	Income Loss From Discontinued Operations Net Of Tax IncomeLossFromDiscontinuedOperationsNetOfTax	-62000	USD
	us-gaap	Income Loss From Discontinued Operations Net Of Tax IncomeLossFromDiscontinuedOperationsNetOfTax	2026798000	USD
CY2014Q3	us-gaap	Income Loss From Discontinued Operations Net Of Tax Attributable To Reporting Entity IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity	-60000	USD
	us-gaap	Income Loss From Discontinued Operations Net Of Tax Attributable To Reporting Entity IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity	1443000	USD
	us-gaap	Income Loss From Discontinued Operations Net Of Tax Attributable To Reporting Entity IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity	1946334000	USD
CY2013Q3	us-gaap	Income Loss From Discontinued Operations Net Of Tax Attributable To Reporting Entity IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity	389825000	USD
CY2013Q3	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Basic Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare	1.083
	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Basic Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare	5.523
	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Basic Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare	0.004
CY2014Q3	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Basic Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare	0.000
	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Diluted Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare	5.523
CY2013Q3	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Diluted Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare	1.083
	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Diluted Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare	0.004
CY2014Q3	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Diluted Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare	0.000
CY2013Q3	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	-3209000	USD
CY2014Q3	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	-1176000	USD
	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	-10201000	USD
	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	-57749000	USD
CY2013Q3	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	492000	USD
	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	1325000	USD
CY2014Q3	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	260000	USD
	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	1146000	USD
	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	1064000	USD
	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	866000	USD
	us-gaap	Increase Decrease In Accounts Payable And Accrued Liabilities IncreaseDecreaseInAccountsPayableAndAccruedLiabilities	76331000	USD
	us-gaap	Increase Decrease In Accounts Payable And Accrued Liabilities IncreaseDecreaseInAccountsPayableAndAccruedLiabilities	65001000	USD
	us-gaap	Increase Decrease In Fair Value Of Hedged Item In Interest Rate Fair Value Hedge1 IncreaseDecreaseInFairValueOfHedgedItemInInterestRateFairValueHedge1	1524000	USD
	us-gaap	Increase Decrease In Fair Value Of Hedged Item In Interest Rate Fair Value Hedge1 IncreaseDecreaseInFairValueOfHedgedItemInInterestRateFairValueHedge1	2485000	USD
	us-gaap	Increase Decrease In Fair Value Of Interest Rate Fair Value Hedging Instruments1 IncreaseDecreaseInFairValueOfInterestRateFairValueHedgingInstruments1	-1524000	USD
	us-gaap	Increase Decrease In Fair Value Of Interest Rate Fair Value Hedging Instruments1 IncreaseDecreaseInFairValueOfInterestRateFairValueHedgingInstruments1	-2485000	USD
	us-gaap	Increase Decrease In Interest Payable Net IncreaseDecreaseInInterestPayableNet	-2175000	USD
	us-gaap	Increase Decrease In Interest Payable Net IncreaseDecreaseInInterestPayableNet	8163000	USD
	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	3854000	USD
	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	7315000	USD
	us-gaap	Increase Decrease In Other Operating Liabilities IncreaseDecreaseInOtherOperatingLiabilities	-173000	USD
	us-gaap	Increase Decrease In Other Operating Liabilities IncreaseDecreaseInOtherOperatingLiabilities	-5427000	USD
	us-gaap	Increase Decrease In Restricted Cash For Operating Activities IncreaseDecreaseInRestrictedCashForOperatingActivities	4152000	USD
	us-gaap	Increase Decrease In Restricted Cash For Operating Activities IncreaseDecreaseInRestrictedCashForOperatingActivities	-2223000	USD
	us-gaap	Increase Decrease In Security Deposits IncreaseDecreaseInSecurityDeposits	-6475000	USD
	us-gaap	Increase Decrease In Security Deposits IncreaseDecreaseInSecurityDeposits	4146000	USD
CY2014Q3	us-gaap	Interest And Other Income InterestAndOtherIncome	576000	USD
	us-gaap	Interest And Other Income InterestAndOtherIncome	1767000	USD
	us-gaap	Interest And Other Income InterestAndOtherIncome	3213000	USD
	us-gaap	Interest Costs Capitalized InterestCostsCapitalized	-38140000	USD
	us-gaap	Interest Costs Capitalized InterestCostsCapitalized	-32946000	USD
	us-gaap	Interest Expense InterestExpense	1300000	USD
	us-gaap	Interest Expense Debt InterestExpenseDebt	347224000	USD
	us-gaap	Interest Expense Debt InterestExpenseDebt	437452000	USD
CY2013Q3	us-gaap	Interest Expense Debt InterestExpenseDebt	120035000	USD
CY2014Q3	us-gaap	Interest Expense Debt InterestExpenseDebt	118251000	USD
	us-gaap	Interest Paid Net InterestPaidNet	335646000	USD
	us-gaap	Interest Paid Net InterestPaidNet	451495000	USD
CY2013Q4	us-gaap	Interest Payable Current And Noncurrent InterestPayableCurrentAndNoncurrent	78309000	USD
CY2014Q3	us-gaap	Interest Payable Current And Noncurrent InterestPayableCurrentAndNoncurrent	86472000	USD
CY2014Q3	us-gaap	Interest Rate Cash Flow Hedge Gain Loss To Be Reclassified During Next12 Months Net InterestRateCashFlowHedgeGainLossToBeReclassifiedDuringNext12MonthsNet	22000000	USD
CY2014Q3	us-gaap	Investment Building And Building Improvements InvestmentBuildingAndBuildingImprovements	18064739000	USD
CY2013Q3	us-gaap	Interest And Other Income InterestAndOtherIncome	1015000	USD
CY2013Q4	us-gaap	Investment Building And Building Improvements InvestmentBuildingAndBuildingImprovements	17509609000	USD
CY2013Q4	us-gaap	Investments In Affiliates Subsidiaries Associates And Joint Ventures InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures	178526000	USD
CY2014Q3	us-gaap	Investments In Affiliates Subsidiaries Associates And Joint Ventures InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures	128100000	USD
CY2014Q3	us-gaap	Land Land	6329907000	USD
CY2013Q4	us-gaap	Land Land	6192512000	USD
CY2014Q3	us-gaap	Land Available For Development LandAvailableForDevelopment	279139000	USD
CY2013Q4	us-gaap	Land Available For Development LandAvailableForDevelopment	393522000	USD
CY2014Q3	us-gaap	Liabilities Liabilities	11860523000	USD
CY2013Q4	us-gaap	Liabilities Liabilities	11626205000	USD
CY2014Q3	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	23008094000	USD
CY2013Q4	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	22834545000	USD
CY2013Q4	us-gaap	Liabilities Fair Value Disclosure LiabilitiesFairValueDisclosure	83845000	USD
CY2014Q3	us-gaap	Liabilities Fair Value Disclosure LiabilitiesFairValueDisclosure	103762000	USD
CY2013Q4	us-gaap	Line Of Credit LineOfCredit	115000000	USD
CY2014Q3	us-gaap	Line Of Credit LineOfCredit	446000000	USD
	us-gaap	Litigation Settlement Amount LitigationSettlementAmount	2800000	USD
CY2014Q3	us-gaap	Loss Contingency Accrual At Carrying Value LossContingencyAccrualAtCarryingValue	6000000	USD
	us-gaap	Loss Contingency Accrual Carrying Value Period Increase Decrease LossContingencyAccrualCarryingValuePeriodIncreaseDecrease	4000000	USD
	us-gaap	Management Fees Revenue ManagementFeesRevenue	7596000	USD
CY2014Q3	us-gaap	Management Fees Revenue ManagementFeesRevenue	2077000	USD
CY2013Q3	us-gaap	Management Fees Revenue ManagementFeesRevenue	2566000	USD
	us-gaap	Management Fees Revenue ManagementFeesRevenue	7399000	USD
CY2014Q3	us-gaap	Minority Interest MinorityInterest	339086000	USD
CY2013Q4	us-gaap	Minority Interest MinorityInterest	337995000	USD
	us-gaap	Minority Interest Change In Redemption Value MinorityInterestChangeInRedemptionValue	-69579000	USD
CY2014Q3	us-gaap	Minority Interest In Operating Partnerships MinorityInterestInOperatingPartnerships	213889000	USD
CY2013Q4	us-gaap	Minority Interest In Operating Partnerships MinorityInterestInOperatingPartnerships	211412000	USD
CY2014Q3	us-gaap	Minority Interest Ownership Percentage By Noncontrolling Owners MinorityInterestOwnershipPercentageByNoncontrollingOwners	0.038
CY2014Q3	us-gaap	Minority Interest Ownership Percentage By Parent MinorityInterestOwnershipPercentageByParent	0.962
	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-380184000	USD
	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-464760000	USD
	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	57838000	USD
	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-656143000	USD
	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	1014271000	USD
	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	767093000	USD
	us-gaap	Net Income Loss NetIncomeLoss	1719637000	USD
	us-gaap	Net Income Loss NetIncomeLoss	413569000	USD
CY2014Q3	us-gaap	Net Income Loss NetIncomeLoss	221744000	USD
CY2013Q3	us-gaap	Net Income Loss NetIncomeLoss	377192000	USD
	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	16273000	USD
CY2014Q3	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	8738000	USD
CY2013Q3	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	14836000	USD
	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	70947000	USD
CY2013Q3	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	376155000	USD
CY2014Q3	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	220707000	USD
	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	1716528000	USD
	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	410460000	USD
	us-gaap	Net Income Loss Available To Common Stockholders Diluted NetIncomeLossAvailableToCommonStockholdersDiluted	426733000	USD
CY2013Q3	us-gaap	Net Income Loss Available To Common Stockholders Diluted NetIncomeLossAvailableToCommonStockholdersDiluted	376155000	USD
CY2014Q3	us-gaap	Net Income Loss Available To Common Stockholders Diluted NetIncomeLossAvailableToCommonStockholdersDiluted	229445000	USD
	us-gaap	Net Income Loss Available To Common Stockholders Diluted NetIncomeLossAvailableToCommonStockholdersDiluted	1716528000	USD
	us-gaap	Noncash Project Abandonment Costs NoncashProjectAbandonmentCosts	2067000	USD
	us-gaap	Noncash Project Abandonment Costs NoncashProjectAbandonmentCosts	3969000	USD
CY2014Q3	us-gaap	Notes Payable NotesPayable	5420646000	USD
CY2013Q4	us-gaap	Notes Payable NotesPayable	5477088000	USD
CY2013Q1	us-gaap	Number Of Properties Subject To Ground Leases NumberOfPropertiesSubjectToGroundLeases	9
CY2014Q3	us-gaap	Number Of Real Estate Properties NumberOfRealEstateProperties	396
CY2014Q3	us-gaap	Number Of States In Which Entity Operates NumberOfStatesInWhichEntityOperates	12
CY2014Q3	us-gaap	Number Of Units In Real Estate Property NumberOfUnitsInRealEstateProperty	111087
CY2014Q3	us-gaap	Operating Income Loss OperatingIncomeLoss	243269000	USD
	us-gaap	Operating Income Loss OperatingIncomeLoss	670825000	USD
CY2013Q3	us-gaap	Operating Income Loss OperatingIncomeLoss	120396000	USD
	us-gaap	Operating Income Loss OperatingIncomeLoss	288619000	USD
CY2013Q3	us-gaap	Operating Leases Income Statement Lease Revenue OperatingLeasesIncomeStatementLeaseRevenue	624063000	USD
CY2014Q3	us-gaap	Operating Leases Income Statement Lease Revenue OperatingLeasesIncomeStatementLeaseRevenue	662001000	USD
	us-gaap	Operating Leases Income Statement Lease Revenue OperatingLeasesIncomeStatementLeaseRevenue	1741169000	USD
	us-gaap	Operating Leases Income Statement Lease Revenue OperatingLeasesIncomeStatementLeaseRevenue	1942492000	USD
CY2013Q4	us-gaap	Other Assets OtherAssets	404557000	USD
CY2014Q3	us-gaap	Other Assets OtherAssets	396441000	USD
CY2013Q4	us-gaap	Other Assets Fair Value Disclosure OtherAssetsFairValueDisclosure	83845000	USD
CY2014Q3	us-gaap	Other Assets Fair Value Disclosure OtherAssetsFairValueDisclosure	98350000	USD
	us-gaap	Other Comprehensive Income Foreign Currency Transaction And Translation Gain Loss Arising During Period Net Of Tax OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossArisingDuringPeriodNetOfTax	-789000	USD
CY2013Q3	us-gaap	Other Comprehensive Income Foreign Currency Transaction And Translation Gain Loss Arising During Period Net Of Tax OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossArisingDuringPeriodNetOfTax	-1730000	USD
	us-gaap	Other Comprehensive Income Foreign Currency Transaction And Translation Gain Loss Arising During Period Net Of Tax OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossArisingDuringPeriodNetOfTax	-466000	USD
CY2014Q3	us-gaap	Other Comprehensive Income Foreign Currency Transaction And Translation Gain Loss Arising During Period Net Of Tax OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossArisingDuringPeriodNetOfTax	-2184000	USD
CY2013Q3	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-2548000	USD
CY2014Q3	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	2184000	USD
	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-9644000	USD
	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	23756000	USD
CY2013Q3	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci On Derivatives Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesNetOfTax	-3986000	USD
	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci On Derivatives Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesNetOfTax	-12606000	USD
	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci On Derivatives Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesNetOfTax	-16084000	USD
CY2014Q3	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci On Derivatives Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesNetOfTax	-4271000	USD
	us-gaap	Other Comprehensive Income Unrealized Gain Loss On Derivatives Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax	-21784000	USD
	us-gaap	Other Comprehensive Income Unrealized Gain Loss On Derivatives Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax	8737000	USD
CY2013Q3	us-gaap	Other Comprehensive Income Unrealized Gain Loss On Derivatives Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax	-3600000	USD
CY2014Q3	us-gaap	Other Comprehensive Income Unrealized Gain Loss On Derivatives Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax	97000	USD
	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax	554000	USD
CY2014Q3	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax	0	USD
CY2013Q3	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax	-374000	USD
	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax	0	USD
	us-gaap	Other Expenses OtherExpenses	4200000	USD
	us-gaap	Other Expenses OtherExpenses	2400000	USD
CY2013Q4	us-gaap	Other Liabilities OtherLiabilities	347748000	USD
CY2014Q3	us-gaap	Other Liabilities OtherLiabilities	349371000	USD
CY2013Q4	us-gaap	Other Liabilities Fair Value Disclosure OtherLiabilitiesFairValueDisclosure	83845000	USD
CY2014Q3	us-gaap	Other Liabilities Fair Value Disclosure OtherLiabilitiesFairValueDisclosure	98350000	USD
	us-gaap	Other Nonoperating Expense OtherNonoperatingExpense	7161000	USD
	us-gaap	Other Nonoperating Expense OtherNonoperatingExpense	27718000	USD
CY2013Q3	us-gaap	Other Nonoperating Expense OtherNonoperatingExpense	4368000	USD
CY2014Q3	us-gaap	Other Nonoperating Expense OtherNonoperatingExpense	4971000	USD
CY2013Q3	us-gaap	Owned Property Management Costs OwnedPropertyManagementCosts	18875000	USD
	us-gaap	Owned Property Management Costs OwnedPropertyManagementCosts	63395000	USD
	us-gaap	Owned Property Management Costs OwnedPropertyManagementCosts	61080000	USD
CY2014Q3	us-gaap	Owned Property Management Costs OwnedPropertyManagementCosts	18407000	USD
	us-gaap	Payments For Capital Improvements PaymentsForCapitalImprovements	133181000	USD
	us-gaap	Payments For Capital Improvements PaymentsForCapitalImprovements	96866000	USD
	us-gaap	Payments For Merger Related Costs PaymentsForMergerRelatedCosts	19700000	USD
	us-gaap	Payments For Merger Related Costs PaymentsForMergerRelatedCosts	87600000	USD
	us-gaap	Payments For Proceeds From Deposits On Real Estate Acquisitions PaymentsForProceedsFromDepositsOnRealEstateAcquisitions	-20845000	USD
	us-gaap	Payments For Proceeds From Deposits On Real Estate Acquisitions PaymentsForProceedsFromDepositsOnRealEstateAcquisitions	-147890000	USD
	us-gaap	Payments For Proceeds From Hedge Financing Activities PaymentsForProceedsFromHedgeFinancingActivities	758000	USD
	us-gaap	Payments For Proceeds From Hedge Financing Activities PaymentsForProceedsFromHedgeFinancingActivities	44013000	USD
	us-gaap	Payments For Proceeds From Hedge Investing Activities PaymentsForProceedsFromHedgeInvestingActivities	2000000	USD
	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	0	USD
	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	1777000	USD
	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	537464000	USD
	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	595564000	USD
	us-gaap	Payments Of Dividends Minority Interest PaymentsOfDividendsMinorityInterest	23582000	USD
	us-gaap	Payments Of Dividends Minority Interest PaymentsOfDividendsMinorityInterest	22216000	USD
	us-gaap	Payments Of Dividends Preferred Stock And Preference Stock PaymentsOfDividendsPreferredStockAndPreferenceStock	3109000	USD
	us-gaap	Proceeds From Partnership Contribution ProceedsFromPartnershipContribution	5000	USD
	us-gaap	Payments Of Dividends Preferred Stock And Preference Stock PaymentsOfDividendsPreferredStockAndPreferenceStock	3109000	USD
	us-gaap	Payments Of Financing Costs PaymentsOfFinancingCosts	10598000	USD
	us-gaap	Payments Of Financing Costs PaymentsOfFinancingCosts	18254000	USD
	us-gaap	Payments Of Stock Issuance Costs PaymentsOfStockIssuanceCosts	0	USD
	us-gaap	Payments Of Stock Issuance Costs PaymentsOfStockIssuanceCosts	954000	USD
	us-gaap	Payments To Acquire Additional Interest In Subsidiaries PaymentsToAcquireAdditionalInterestInSubsidiaries	5501000	USD
	us-gaap	Payments To Acquire Additional Interest In Subsidiaries PaymentsToAcquireAdditionalInterestInSubsidiaries	0	USD
	us-gaap	Payments To Acquire Businesses Net Of Cash Acquired PaymentsToAcquireBusinessesNetOfCashAcquired	0	USD
	us-gaap	Payments To Acquire Businesses Net Of Cash Acquired PaymentsToAcquireBusinessesNetOfCashAcquired	4000875000	USD
	us-gaap	Payments To Acquire Equity Method Investments PaymentsToAcquireEquityMethodInvestments	59363000	USD
	us-gaap	Payments To Acquire Equity Method Investments PaymentsToAcquireEquityMethodInvestments	14568000	USD
	us-gaap	Payments To Acquire Interest In Subsidiaries And Affiliates PaymentsToAcquireInterestInSubsidiariesAndAffiliates	5500000	USD
	us-gaap	Payments To Acquire Other Property Plant And Equipment PaymentsToAcquireOtherPropertyPlantAndEquipment	133181000	USD
	us-gaap	Payments To Acquire Real Estate PaymentsToAcquireRealEstate	108308000	USD
	us-gaap	Payments To Acquire Real Estate PaymentsToAcquireRealEstate	404658000	USD
	us-gaap	Payments To Develop Real Estate Assets PaymentsToDevelopRealEstateAssets	380691000	USD
	us-gaap	Payments To Develop Real Estate Assets PaymentsToDevelopRealEstateAssets	256965000	USD
CY2014Q3	us-gaap	Preferred Stock Par Or Stated Value Per Share PreferredStockParOrStatedValuePerShare	0.01
CY2013Q4	us-gaap	Preferred Stock Par Or Stated Value Per Share PreferredStockParOrStatedValuePerShare	0.01
CY2013Q4	us-gaap	Preferred Stock Shares Authorized PreferredStockSharesAuthorized	100000000	shares
CY2014Q3	us-gaap	Preferred Stock Shares Authorized PreferredStockSharesAuthorized	100000000	shares
CY2013Q4	us-gaap	Preferred Stock Shares Issued PreferredStockSharesIssued	1000000	shares
CY2014Q3	us-gaap	Preferred Stock Shares Issued PreferredStockSharesIssued	1000000	shares
CY2014Q3	us-gaap	Preferred Stock Shares Outstanding PreferredStockSharesOutstanding	1000000	shares
CY2013Q4	us-gaap	Preferred Stock Shares Outstanding PreferredStockSharesOutstanding	1000000	shares
CY2014Q3	us-gaap	Preferred Stock Value Outstanding PreferredStockValueOutstanding	50000000	USD
CY2013Q4	us-gaap	Preferred Stock Value Outstanding PreferredStockValueOutstanding	50000000	USD
	us-gaap	Proceeds From Issuance Of Long Term Debt ProceedsFromIssuanceOfLongTermDebt	0	USD
	us-gaap	Proceeds From Issuance Of Long Term Debt ProceedsFromIssuanceOfLongTermDebt	5951000	USD
	us-gaap	Proceeds From Minority Shareholders ProceedsFromMinorityShareholders	5684000	USD
	us-gaap	Proceeds From Minority Shareholders ProceedsFromMinorityShareholders	11520000	USD
	us-gaap	Proceeds From Notes Payable ProceedsFromNotesPayable	1245550000	USD
	us-gaap	Proceeds From Notes Payable ProceedsFromNotesPayable	1194278000	USD
	us-gaap	Proceeds From Partnership Contribution ProceedsFromPartnershipContribution	3000	USD
	us-gaap	Proceeds From Payments For Other Financing Activities ProceedsFromPaymentsForOtherFinancingActivities	-33000	USD
	us-gaap	Proceeds From Payments For Other Financing Activities ProceedsFromPaymentsForOtherFinancingActivities	-33000	USD
	us-gaap	Proceeds From Sale Of Available For Sale Securities ProceedsFromSaleOfAvailableForSaleSecurities	828000	USD
	us-gaap	Proceeds From Sale Of Available For Sale Securities ProceedsFromSaleOfAvailableForSaleSecurities	57000	USD
	us-gaap	Proceeds From Sale Of Real Estate Heldforinvestment ProceedsFromSaleOfRealEstateHeldforinvestment	4434708000	USD
	us-gaap	Proceeds From Sale Of Real Estate Heldforinvestment ProceedsFromSaleOfRealEstateHeldforinvestment	224538000	USD
	us-gaap	Proceeds From Stock Options Exercised ProceedsFromStockOptionsExercised	16044000	USD
	us-gaap	Proceeds From Stock Options Exercised ProceedsFromStockOptionsExercised	56554000	USD
	us-gaap	Profit Loss ProfitLoss	431642000	USD
	us-gaap	Profit Loss ProfitLoss	1789483000	USD
CY2013Q3	us-gaap	Profit Loss ProfitLoss	391717000	USD
CY2014Q3	us-gaap	Profit Loss ProfitLoss	231190000	USD
CY2013Q4	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	19226047000	USD
CY2014Q3	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	19919609000	USD
CY2013Q4	us-gaap	Real Estate Investment Property Accumulated Depreciation RealEstateInvestmentPropertyAccumulatedDepreciation	4807709000	USD
CY2014Q3	us-gaap	Real Estate Investment Property Accumulated Depreciation RealEstateInvestmentPropertyAccumulatedDepreciation	5314260000	USD
CY2013Q4	us-gaap	Real Estate Investment Property At Cost RealEstateInvestmentPropertyAtCost	26800948000	USD
CY2014Q3	us-gaap	Real Estate Investment Property At Cost RealEstateInvestmentPropertyAtCost	27574865000	USD
CY2013Q4	us-gaap	Real Estate Investment Property Net RealEstateInvestmentPropertyNet	21993239000	USD
CY2014Q3	us-gaap	Real Estate Investment Property Net RealEstateInvestmentPropertyNet	22260605000	USD
CY2014Q3	us-gaap	Real Estate Taxes And Insurance RealEstateTaxesAndInsurance	80568000	USD
	us-gaap	Real Estate Taxes And Insurance RealEstateTaxesAndInsurance	245717000	USD
	us-gaap	Real Estate Taxes And Insurance RealEstateTaxesAndInsurance	217753000	USD
CY2013Q3	us-gaap	Real Estate Taxes And Insurance RealEstateTaxesAndInsurance	75916000	USD
	us-gaap	Repayments Of Lines Of Credit RepaymentsOfLinesOfCredit	8413000000	USD
	us-gaap	Repayments Of Lines Of Credit RepaymentsOfLinesOfCredit	4993000000	USD
	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	72700000	USD
	us-gaap	Repayments Of Notes Payable RepaymentsOfNotesPayable	1250000000	USD
	us-gaap	Repayments Of Notes Payable RepaymentsOfNotesPayable	400000000	USD
CY2013Q4	us-gaap	Replacement Reserve Escrow ReplacementReserveEscrow	4229000	USD
CY2014Q3	us-gaap	Replacement Reserve Escrow ReplacementReserveEscrow	3669000	USD
CY2013Q4	us-gaap	Restricted Cash And Cash Equivalents RestrictedCashAndCashEquivalents	103567000	USD
CY2014Q3	us-gaap	Restricted Cash And Cash Equivalents RestrictedCashAndCashEquivalents	84945000	USD
CY2013Q4	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	2047258000	USD
CY2014Q3	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	1915344000	USD
	us-gaap	Revenues Revenues	1748568000	USD
CY2014Q3	us-gaap	Revenues Revenues	664078000	USD
CY2013Q3	us-gaap	Revenues Revenues	626629000	USD
	us-gaap	Revenues Revenues	1950088000	USD
CY2013Q4	us-gaap	Secured Debt SecuredDebt	5174166000	USD
CY2014Q3	us-gaap	Secured Debt SecuredDebt	5090960000	USD
CY2014Q3	us-gaap	Security Deposit Liability SecurityDepositLiability	75738000	USD
CY2013Q4	us-gaap	Security Deposit Liability SecurityDepositLiability	71592000	USD
CY2014Q3	us-gaap	Service Management Costs ServiceManagementCosts	1253000	USD
	us-gaap	Service Management Costs ServiceManagementCosts	4293000	USD
	us-gaap	Service Management Costs ServiceManagementCosts	4739000	USD
CY2013Q3	us-gaap	Service Management Costs ServiceManagementCosts	1516000	USD
	us-gaap	Share Based Compensation ShareBasedCompensation	24647000	USD
	us-gaap	Share Based Compensation ShareBasedCompensation	29019000	USD
	us-gaap	Stock Issued During Period Shares Conversion Of Units StockIssuedDuringPeriodSharesConversionOfUnits	68296	shares
	us-gaap	Stock Issued During Period Shares Employee Stock Purchase Plans StockIssuedDuringPeriodSharesEmployeeStockPurchasePlans	56945	shares
	us-gaap	Stock Issued During Period Shares Restricted Stock Award Net Of Forfeitures StockIssuedDuringPeriodSharesRestrictedStockAwardNetOfForfeitures	170460	shares
	us-gaap	Stock Issued During Period Shares Stock Options Exercised StockIssuedDuringPeriodSharesStockOptionsExercised	1476512	shares
CY2014Q3	us-gaap	Stock Repurchase Program Number Of Shares Authorized To Be Repurchased StockRepurchaseProgramNumberOfSharesAuthorizedToBeRepurchased	13000000	shares
CY2014Q3	us-gaap	Stock Repurchase Program Remaining Number Of Shares Authorized To Be Repurchased StockRepurchaseProgramRemainingNumberOfSharesAuthorizedToBeRepurchased	12968760	shares
	us-gaap	Stock Repurchased And Retired During Period Shares StockRepurchasedAndRetiredDuringPeriodShares	-31240	shares
	us-gaap	Stock Repurchased And Retired During Period Value StockRepurchasedAndRetiredDuringPeriodValue	1800000	USD
CY2013Q4	us-gaap	Stockholders Equity StockholdersEquity	10507201000	USD
CY2014Q3	us-gaap	Stockholders Equity StockholdersEquity	10378336000	USD
CY2014Q3	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	10717422000	USD
CY2013Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	10845196000	USD
	us-gaap	Temporary Equity Issue Period Increase Or Decrease TemporaryEquityIssuePeriodIncreaseOrDecrease	-2574000	USD
	us-gaap	Treasury Stock Acquired Average Cost Per Share TreasuryStockAcquiredAverageCostPerShare	56.87
	us-gaap	Unrealized Gain Loss On Derivatives UnrealizedGainLossOnDerivatives	-66000	USD
	us-gaap	Unrealized Gain Loss On Derivatives UnrealizedGainLossOnDerivatives	32000	USD
	us-gaap	Unrealized Gain Loss On Interest Rate Cash Flow Hedges Pretax Accumulated Other Comprehensive Income Loss UnrealizedGainLossOnInterestRateCashFlowHedgesPretaxAccumulatedOtherComprehensiveIncomeLoss	165000000	USD
CY2013	us-gaap	Unrealized Gain Loss On Interest Rate Cash Flow Hedges Pretax Accumulated Other Comprehensive Income Loss UnrealizedGainLossOnInterestRateCashFlowHedgesPretaxAccumulatedOtherComprehensiveIncomeLoss	155800000	USD
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	377228000	shares
CY2014Q3	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	377954000	shares
CY2013Q3	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	359811000	shares
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	352414000	shares
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	352414000	shares
CY2013Q3	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	359811000	shares
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	360900000	shares
CY2014Q3	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	361409000	shares
	eqr	Ability To Increase Line Of Credit AbilityToIncreaseLineOfCredit	500000000	USD
CY2014Q3	eqr	Accounts Payable And Accrued Liabilities Current And Noncurrent Other Than Interest And Dividend Payable AccountsPayableAndAccruedLiabilitiesCurrentAndNoncurrentOtherThanInterestAndDividendPayable	203070000	USD
CY2013Q4	eqr	Accounts Payable And Accrued Liabilities Current And Noncurrent Other Than Interest And Dividend Payable AccountsPayableAndAccruedLiabilitiesCurrentAndNoncurrentOtherThanInterestAndDividendPayable	118791000	USD
	eqr	Acquisition Of Archstone Accounts Payable And Accrued Liabilities AcquisitionOfArchstoneAccountsPayableAndAccruedLiabilities	17576000	USD
	eqr	Acquisition Of Archstone Accounts Payable And Accrued Liabilities AcquisitionOfArchstoneAccountsPayableAndAccruedLiabilities	-146000	USD
	eqr	Acquisition Of Archstone Common Shares Issued AcquisitionOfArchstoneCommonSharesIssued	1929868000	USD
	eqr	Acquisition Of Archstone Common Shares Issued AcquisitionOfArchstoneCommonSharesIssued	0	USD
	eqr	Acquisition Of Archstone Deferred Financing Costs AcquisitionOfArchstoneDeferredFinancingCosts	0	USD
	eqr	Acquisition Of Archstone Deferred Financing Costs AcquisitionOfArchstoneDeferredFinancingCosts	25780000	USD
	eqr	Acquisition Of Archstone Deposits Restricted AcquisitionOfArchstoneDepositsRestricted	474000	USD
	eqr	Acquisition Of Archstone Deposits Restricted AcquisitionOfArchstoneDepositsRestricted	0	USD
	eqr	Acquisition Of Archstone Escrow Deposits Mortgage AcquisitionOfArchstoneEscrowDepositsMortgage	35897000	USD
	eqr	Acquisition Of Archstone Escrow Deposits Mortgage AcquisitionOfArchstoneEscrowDepositsMortgage	0	USD
	eqr	Acquisition Of Archstone Investment In Real Estate Net AcquisitionOfArchstoneInvestmentInRealEstateNet	39929000	USD
	eqr	Acquisition Of Archstone Investment In Real Estate Net AcquisitionOfArchstoneInvestmentInRealEstateNet	-8710242000	USD
	eqr	Acquisition Of Archstone Investments In Unconsolidated Entities AcquisitionOfArchstoneInvestmentsInUnconsolidatedEntities	217092000	USD
	eqr	Acquisition Of Archstone Investments In Unconsolidated Entities AcquisitionOfArchstoneInvestmentsInUnconsolidatedEntities	33993000	USD
	eqr	Acquisition Of Archstone Mortgage Notes Payable AcquisitionOfArchstoneMortgageNotesPayable	0	USD
	eqr	Acquisition Of Archstone Mortgage Notes Payable AcquisitionOfArchstoneMortgageNotesPayable	3076876000	USD
	eqr	Acquisition Of Archstone Noncontrolling Interests Partially Owned Properties AcquisitionOfArchstoneNoncontrollingInterestsPartiallyOwnedProperties	28263000	USD
	eqr	Acquisition Of Archstone Noncontrolling Interests Partially Owned Properties AcquisitionOfArchstoneNoncontrollingInterestsPartiallyOwnedProperties	0	USD
	eqr	Acquisition Of Archstone Other Assets AcquisitionOfArchstoneOtherAssets	2586000	USD
	eqr	Acquisition Of Archstone Other Assets AcquisitionOfArchstoneOtherAssets	203295000	USD
	eqr	Acquisition Of Archstone Other Liabilities AcquisitionOfArchstoneOtherLiabilities	117068000	USD
	eqr	Acquisition Of Archstone Other Liabilities AcquisitionOfArchstoneOtherLiabilities	-3204000	USD
	eqr	Acquisition Of Archstone Security Deposits AcquisitionOfArchstoneSecurityDeposits	10949000	USD
	eqr	Acquisition Of Archstone Security Deposits AcquisitionOfArchstoneSecurityDeposits	0	USD
	eqr	Acqusition Of Archstone Interest Payable AcqusitionOfArchstoneInterestPayable	11305000	USD
	eqr	Acqusition Of Archstone Interest Payable AcqusitionOfArchstoneInterestPayable	0	USD
CY2014Q3	eqr	Additional Common Shares Authorized AdditionalCommonSharesAuthorized	13000000	shares
	eqr	Adjustment Depreciation AdjustmentDepreciation	830097000	USD
	eqr	Adjustment Depreciation AdjustmentDepreciation	565772000	USD
CY2014Q3	eqr	Allocation Of Net Income Loss To Noncontrolling Interests Partially Owned Properties AllocationOfNetIncomeLossToNoncontrollingInterestsPartiallyOwnedProperties	708000	USD
	eqr	Allocation Of Net Income Loss To Noncontrolling Interests Partially Owned Properties AllocationOfNetIncomeLossToNoncontrollingInterestsPartiallyOwnedProperties	1800000	USD
	eqr	Allocation Of Net Income Loss To Noncontrolling Interests Partially Owned Properties AllocationOfNetIncomeLossToNoncontrollingInterestsPartiallyOwnedProperties	-1101000	USD
CY2013Q3	eqr	Allocation Of Net Income Loss To Noncontrolling Interests Partially Owned Properties AllocationOfNetIncomeLossToNoncontrollingInterestsPartiallyOwnedProperties	-311000	USD
	eqr	Amortization Of Deferred Financing Costs AmortizationOfDeferredFinancingCosts	8554000	USD
	eqr	Amortization Of Deferred Financing Costs AmortizationOfDeferredFinancingCosts	15864000	USD
	eqr	Amortization Of Deferred Financing Costs Deferred Financing Costs Net AmortizationOfDeferredFinancingCostsDeferredFinancingCostsNet	16016000	USD
	eqr	Amortization Of Deferred Financing Costs Deferred Financing Costs Net AmortizationOfDeferredFinancingCostsDeferredFinancingCostsNet	8554000	USD
	eqr	Amortization Of Deferred Financing Costs Investment In Real Estate Net AmortizationOfDeferredFinancingCostsInvestmentInRealEstateNet	0	USD
	eqr	Amortization Of Deferred Financing Costs Investment In Real Estate Net AmortizationOfDeferredFinancingCostsInvestmentInRealEstateNet	-152000	USD
	eqr	Amortization Of Deferred Settlements On Derivative Instruments Other Liabilities AmortizationOfDeferredSettlementsOnDerivativeInstrumentsOtherLiabilities	401000	USD
	eqr	Amortization Of Deferred Settlements On Derivative Instruments Other Liabilities AmortizationOfDeferredSettlementsOnDerivativeInstrumentsOtherLiabilities	401000	USD
	eqr	Amortization Of Discounts And Premiums On Debt Mortgage Notes Payable AmortizationOfDiscountsAndPremiumsOnDebtMortgageNotesPayable	-10515000	USD
	eqr	Amortization Of Discounts And Premiums On Debt Mortgage Notes Payable AmortizationOfDiscountsAndPremiumsOnDebtMortgageNotesPayable	-39232000	USD
	eqr	Amortization Of Discounts And Premiums On Debt Notes Net AmortizationOfDiscountsAndPremiumsOnDebtNotesNet	1620000	USD
	eqr	Amortization Of Discounts And Premiums On Debt Notes Net AmortizationOfDiscountsAndPremiumsOnDebtNotesNet	1765000	USD
	eqr	Business Acquisition Proforma Income Loss From Discontinued Operations Net Of Tax BusinessAcquisitionProformaIncomeLossFromDiscontinuedOperationsNetOfTax	2024346000	USD
CY2013Q3	eqr	Business Acquisition Proforma Income Loss From Discontinued Operations Net Of Tax BusinessAcquisitionProformaIncomeLossFromDiscontinuedOperationsNetOfTax	403181000	USD
	eqr	Business Acquisition Proforma Net Income Available To Common Shares BusinessAcquisitionProformaNetIncomeAvailableToCommonShares	2070153000	USD
CY2013Q3	eqr	Business Acquisition Proforma Net Income Available To Common Shares BusinessAcquisitionProformaNetIncomeAvailableToCommonShares	468959000	USD
CY2013Q3	eqr	Business Acquisition Proforma Weighted Average Common Shares Basic BusinessAcquisitionProformaWeightedAverageCommonSharesBasic	359811000	shares
	eqr	Business Acquisition Proforma Weighted Average Common Shares Basic BusinessAcquisitionProformaWeightedAverageCommonSharesBasic	359611000	shares
CY2013Q3	eqr	Business Acquisition Proforma Weighted Average Number Of Shares Diluted BusinessAcquisitionProformaWeightedAverageNumberOfSharesDiluted	375883000	shares
	eqr	Business Acquisition Proforma Weighted Average Number Of Shares Diluted BusinessAcquisitionProformaWeightedAverageNumberOfSharesDiluted	375808000	shares
	eqr	Charges Hedge Termination Activities ChargesHedgeTerminationActivities	800000	USD
CY2014Q3	eqr	Common Shares And Units Outstanding CommonSharesAndUnitsOutstanding	376533153	shares
CY2014Q3	eqr	Consolidated Project Under Development Commitment Fund ConsolidatedProjectUnderDevelopmentCommitmentFund	1100000000	USD
	eqr	Conversion Of Restricted Shares To Ltip Units Shares ConversionOfRestrictedSharesToLtipUnitsShares	-12146	shares
CY2014Q3	eqr	Dilutive Op Units DilutiveOpUnits	13707000	shares
	eqr	Dilutive Op Units DilutiveOpUnits	13726000	shares
	eqr	Dilutive Securities Options DilutiveSecuritiesOptions	2602000	shares
CY2014Q3	eqr	Dilutive Securities Options DilutiveSecuritiesOptions	2838000	shares
	eqr	Disposal Group Including Discontinued Operation Amortization Of Deferred Financing Costs DisposalGroupIncludingDiscontinuedOperationAmortizationOfDeferredFinancingCosts	228000	USD
	eqr	Disposal Group Including Discontinued Operation Amortization Of Deferred Financing Costs DisposalGroupIncludingDiscontinuedOperationAmortizationOfDeferredFinancingCosts	0	USD
CY2013Q3	eqr	Disposal Group Including Discontinued Operation Amortization Of Deferred Financing Costs DisposalGroupIncludingDiscontinuedOperationAmortizationOfDeferredFinancingCosts	0	USD
CY2014Q3	eqr	Disposal Group Including Discontinued Operation Amortization Of Deferred Financing Costs DisposalGroupIncludingDiscontinuedOperationAmortizationOfDeferredFinancingCosts	0	USD
	eqr	Disposal Group Including Discontinued Operation Depreciation DisposalGroupIncludingDiscontinuedOperationDepreciation	33864000	USD
CY2014Q3	eqr	Disposal Group Including Discontinued Operation Depreciation DisposalGroupIncludingDiscontinuedOperationDepreciation	0	USD
CY2013Q3	eqr	Disposal Group Including Discontinued Operation Depreciation DisposalGroupIncludingDiscontinuedOperationDepreciation	2902000	USD
	eqr	Disposal Group Including Discontinued Operation Depreciation DisposalGroupIncludingDiscontinuedOperationDepreciation	0	USD
	eqr	Disposal Group Including Discontinued Operation Interest And Other Income DisposalGroupIncludingDiscontinuedOperationInterestAndOtherIncome	156000	USD
	eqr	Disposal Group Including Discontinued Operation Interest And Other Income DisposalGroupIncludingDiscontinuedOperationInterestAndOtherIncome	152000	USD
CY2014Q3	eqr	Disposal Group Including Discontinued Operation Interest And Other Income DisposalGroupIncludingDiscontinuedOperationInterestAndOtherIncome	72000	USD
CY2013Q3	eqr	Disposal Group Including Discontinued Operation Interest And Other Income DisposalGroupIncludingDiscontinuedOperationInterestAndOtherIncome	66000	USD
	eqr	Disposal Group Including Discontinued Operation Property And Maintenance DisposalGroupIncludingDiscontinuedOperationPropertyAndMaintenance	35571000	USD
CY2014Q3	eqr	Disposal Group Including Discontinued Operation Property And Maintenance DisposalGroupIncludingDiscontinuedOperationPropertyAndMaintenance	-84000	USD
	eqr	Disposal Group Including Discontinued Operation Property And Maintenance DisposalGroupIncludingDiscontinuedOperationPropertyAndMaintenance	-125000	USD
CY2013Q3	eqr	Disposal Group Including Discontinued Operation Property And Maintenance DisposalGroupIncludingDiscontinuedOperationPropertyAndMaintenance	4122000	USD
	eqr	Disposal Group Including Discontinued Operation Real Estate Taxes And Insurance DisposalGroupIncludingDiscontinuedOperationRealEstateTaxesAndInsurance	146000	USD
CY2013Q3	eqr	Disposal Group Including Discontinued Operation Real Estate Taxes And Insurance DisposalGroupIncludingDiscontinuedOperationRealEstateTaxesAndInsurance	735000	USD
CY2014Q3	eqr	Disposal Group Including Discontinued Operation Real Estate Taxes And Insurance DisposalGroupIncludingDiscontinuedOperationRealEstateTaxesAndInsurance	152000	USD
	eqr	Disposal Group Including Discontinued Operation Real Estate Taxes And Insurance DisposalGroupIncludingDiscontinuedOperationRealEstateTaxesAndInsurance	11602000	USD
CY2013Q3	eqr	Disposal Group Including Discontinued Operations Property Management DisposalGroupIncludingDiscontinuedOperationsPropertyManagement	0	USD
	eqr	Disposal Group Including Discontinued Operations Property Management DisposalGroupIncludingDiscontinuedOperationsPropertyManagement	1000	USD
CY2014Q3	eqr	Disposal Group Including Discontinued Operations Property Management DisposalGroupIncludingDiscontinuedOperationsPropertyManagement	0	USD
	eqr	Disposal Group Including Discontinued Operations Property Management DisposalGroupIncludingDiscontinuedOperationsPropertyManagement	0	USD
	eqr	Disposed Properties DisposedProperties	4
	eqr	Disposed Units DisposedUnits	1317
	eqr	Distributions Minority Interests Partially Owned Properties DistributionsMinorityInterestsPartiallyOwnedProperties	5702000	USD
	eqr	Distributions Minority Interests Partially Owned Properties DistributionsMinorityInterestsPartiallyOwnedProperties	6762000	USD
	eqr	Distributionsfromunconsolidatedentitiesinvestmentsinunconsolidatedentities Distributionsfromunconsolidatedentitiesinvestmentsinunconsolidatedentities	1519000	USD
	eqr	Distributionsfromunconsolidatedentitiesinvestmentsinunconsolidatedentities Distributionsfromunconsolidatedentitiesinvestmentsinunconsolidatedentities	4399000	USD
	eqr	Distributionsfromunconsolidatedentitiesotherliabilities Distributionsfromunconsolidatedentitiesotherliabilities	0	USD
	eqr	Distributionsfromunconsolidatedentitiesotherliabilities Distributionsfromunconsolidatedentitiesotherliabilities	158000	USD
CY2013Q4	eqr	Escrow Deposits For Mortgage And Replacement Reserves EscrowDepositsForMortgageAndReplacementReserves	42636000	USD
CY2014Q3	eqr	Escrow Deposits For Mortgage And Replacement Reserves EscrowDepositsForMortgageAndReplacementReserves	45995000	USD
CY2013Q4	eqr	Escrowdepositsother Escrowdepositsother	852000	USD
CY2014Q3	eqr	Escrowdepositsother Escrowdepositsother	852000	USD
CY2013Q4	eqr	Finite Lived Intangible Liabilities Accumulated Amortization FiniteLivedIntangibleLiabilitiesAccumulatedAmortization	1161000	USD
CY2014Q3	eqr	Finite Lived Intangible Liabilities Accumulated Amortization FiniteLivedIntangibleLiabilitiesAccumulatedAmortization	1968000	USD
	eqr	Gain Loss On Sales Of Land Parcels GainLossOnSalesOfLandParcels	1846000	USD
CY2013Q3	eqr	Gain Loss On Sales Of Land Parcels GainLossOnSalesOfLandParcels	-2437000	USD
	eqr	Gain Loss On Sales Of Land Parcels GainLossOnSalesOfLandParcels	12179000	USD
CY2014Q3	eqr	Gain Loss On Sales Of Land Parcels GainLossOnSalesOfLandParcels	1052000	USD
CY2014Q3	eqr	Income From Continuing Operations Available To Common Shares IncomeFromContinuingOperationsAvailableToCommonShares	-229507000	USD
	eqr	Income From Continuing Operations Available To Common Shares IncomeFromContinuingOperationsAvailableToCommonShares	-425233000	USD
	eqr	Income Loss From Discontinued Operations IncomeLossFromDiscontinuedOperations	1277000	USD
CY2013Q3	eqr	Income Loss From Discontinued Operations IncomeLossFromDiscontinuedOperations	3479000	USD
	eqr	Income Loss From Discontinued Operations IncomeLossFromDiscontinuedOperations	36221000	USD
CY2014Q3	eqr	Income Loss From Discontinued Operations IncomeLossFromDiscontinuedOperations	-61000	USD
	eqr	Income Loss From Equity Method Investments Merger IncomeLossFromEquityMethodInvestmentsMerger	7684000	USD
	eqr	Income Loss From Equity Method Investments Merger IncomeLossFromEquityMethodInvestmentsMerger	51907000	USD
	eqr	Income Loss From Equity Method Investments Merger Expenses IncomeLossFromEquityMethodInvestmentsMergerExpenses	54800000	USD
	eqr	Income Loss From Equity Method Investments Merger Expenses IncomeLossFromEquityMethodInvestmentsMergerExpenses	6400000	USD
	eqr	Income Lossfrom Investmentsin Unconsolidated Entities Adjustment IncomeLossfromInvestmentsinUnconsolidatedEntitiesAdjustment	10201000	USD
	eqr	Income Lossfrom Investmentsin Unconsolidated Entities Adjustment IncomeLossfromInvestmentsinUnconsolidatedEntitiesAdjustment	57749000	USD
	eqr	Increase Decrease In Mortgage Deposits IncreaseDecreaseInMortgageDeposits	1638000	USD
	eqr	Increase Decrease In Mortgage Deposits IncreaseDecreaseInMortgageDeposits	271000	USD
	eqr	Increase To Reduction Of Paid In Capital IncreaseToReductionOfPaidInCapital	2300000	USD
	eqr	Interest Capitalized For Real Estate Under Development InterestCapitalizedForRealEstateUnderDevelopment	31648000	USD
	eqr	Interest Capitalized For Real Estate Under Development InterestCapitalizedForRealEstateUnderDevelopment	38086000	USD
	eqr	Interest Capitalized For Unconsolidated Entities Under Development InterestCapitalizedForUnconsolidatedEntitiesUnderDevelopment	54000	USD
	eqr	Interest Capitalized For Unconsolidated Entities Under Development InterestCapitalizedForUnconsolidatedEntitiesUnderDevelopment	1298000	USD
CY2014Q3	eqr	Investment In Joint Venture InvestmentInJointVenture	331800000	USD
	eqr	Investmentsinunconsolidatedentities Investmentsinunconsolidatedentities	5118000	USD
	eqr	Investmentsinunconsolidatedentities Investmentsinunconsolidatedentities	9317000	USD
	eqr	Investmentsinunconsolidatedentitiesotherliabilities Investmentsinunconsolidatedentitiesotherliabilities	50046000	USD
	eqr	Investmentsinunconsolidatedentitiesotherliabilities Investmentsinunconsolidatedentitiesotherliabilities	9450000	USD
CY2014Q3	eqr	Joint Venture Partner Ownership Percentage JointVenturePartnerOwnershipPercentage	0.80
	eqr	Land Parcels Acquired LandParcelsAcquired	2
	eqr	Landparceldisposed Landparceldisposed	2
CY2013Q4	eqr	Lease Intangible Liabilities LeaseIntangibleLiabilities	7900000	USD
CY2014Q3	eqr	Lease Intangible Liabilities LeaseIntangibleLiabilities	7670000	USD
CY2013Q4	eqr	Lease Intangible Liabilitiesnet LeaseIntangibleLiabilitiesnet	6739000	USD
CY2014Q3	eqr	Lease Intangible Liabilitiesnet LeaseIntangibleLiabilitiesnet	5702000	USD
	eqr	Limited Partners Change In Carrying Value LimitedPartnersChangeInCarryingValue	-2574000	USD
	eqr	Limited Partners Change In Redemption Value LimitedPartnersChangeInRedemptionValue	-69579000	USD
CY2013Q1	eqr	Mark To Market Debt Premiums MarkToMarketDebtPremiums	127900000	USD
	eqr	Mortgage Deposits Financing Activities MortgageDepositsFinancingActivities	3769000	USD
	eqr	Mortgage Deposits Financing Activities MortgageDepositsFinancingActivities	5557000	USD
	eqr	Mortgage Deposits Investing Activities MortgageDepositsInvestingActivities	-7623000	USD
	eqr	Mortgage Deposits Investing Activities MortgageDepositsInvestingActivities	-560000	USD
	eqr	Mortgage Notes Payable Lump Sum Pay Offs MortgageNotesPayableLumpSumPayOffs	701762000	USD
	eqr	Mortgage Notes Payable Lump Sum Pay Offs MortgageNotesPayableLumpSumPayOffs	63772000	USD
CY2013Q3	eqr	Net Income Loss Available To Common Stockholder Basic NetIncomeLossAvailableToCommonStockholderBasic	376155000	USD
	eqr	Net Income Loss Available To Common Stockholder Basic NetIncomeLossAvailableToCommonStockholderBasic	410460000	USD
CY2014Q3	eqr	Net Income Loss Available To Common Stockholder Basic NetIncomeLossAvailableToCommonStockholderBasic	220707000	USD
	eqr	Net Income Loss Available To Common Stockholder Basic NetIncomeLossAvailableToCommonStockholderBasic	1716528000	USD
CY2013Q4	eqr	Noncontrolling Interests Partially Owned Properties NoncontrollingInterestsPartiallyOwnedProperties	126583000	USD
CY2014Q3	eqr	Noncontrolling Interests Partially Owned Properties NoncontrollingInterestsPartiallyOwnedProperties	125197000	USD
CY2014Q3	eqr	Number Of Apartments Units Under Development Unconsolidated Projects NumberOfApartmentsUnitsUnderDevelopmentUnconsolidatedProjects	176
CY2014Q3	eqr	Number Of Joint Ventures NumberOfJointVentures	2
CY2014Q3	eqr	Number Of Projects In Various Stages Of Development NumberOfProjectsInVariousStagesOfDevelopment	12
	eqr	Number Of Units In Same Store Properties NumberOfUnitsInSameStoreProperties	99686
CY2014Q3	eqr	Number Of Units In Same Store Properties NumberOfUnitsInSameStoreProperties	100196
CY2014Q3	eqr	Number Of Units In Various Stages Of Development NumberOfUnitsInVariousStagesOfDevelopment	4017
	eqr	Op Unitsrepurchasedandretired OPUnitsrepurchasedandretired	-31240	shares
	eqr	Other Liabilities Loss From Investments In Unconsolidated Entities Merger OtherLiabilitiesLossFromInvestmentsInUnconsolidatedEntitiesMerger	5842000	USD
	eqr	Other Liabilities Loss From Investments In Unconsolidated Entities Merger OtherLiabilitiesLossFromInvestmentsInUnconsolidatedEntitiesMerger	2517000	USD
CY2013Q4	eqr	Other Restricted Cash OtherRestrictedCash	505000	USD
CY2014Q3	eqr	Other Restricted Cash OtherRestrictedCash	505000	USD
	eqr	Partners Payments To Acquire Equity Method Investments PartnersPaymentsToAcquireEquityMethodInvestments	40100000	USD
	eqr	Payments To Acquire Other Capital Assets PaymentsToAcquireOtherCapitalAssets	2446000	USD
	eqr	Payments To Acquire Other Capital Assets PaymentsToAcquireOtherCapitalAssets	3359000	USD
	eqr	Preferred Interests PreferredInterests	65000000	USD
	eqr	Proceeds From Distributions Received From Unconsolidated Subsidiaries ProceedsFromDistributionsReceivedFromUnconsolidatedSubsidiaries	25471000	USD
	eqr	Proceeds From Distributions Received From Unconsolidated Subsidiaries ProceedsFromDistributionsReceivedFromUnconsolidatedSubsidiaries	77042000	USD
	eqr	Proceeds From Employee Stock Purchase Plan ProceedsFromEmployeeStockPurchasePlan	2728000	USD
	eqr	Proceeds From Employee Stock Purchase Plan ProceedsFromEmployeeStockPurchasePlan	2973000	USD
	eqr	Proceeds From Sale Of Property ProceedsFromSaleOfProperty	227602000	USD
	eqr	Proceeds From Unsecured Line Of Credit ProceedsFromUnsecuredLineOfCredit	8413000000	USD
	eqr	Proceeds From Unsecured Line Of Credit ProceedsFromUnsecuredLineOfCredit	5324000000	USD
	eqr	Properties Acquired PropertiesAcquired	4
CY2014Q4	eqr	Properties Contracted To Be Acquired PropertiesContractedToBeAcquired	1
CY2014Q4	eqr	Properties Contracted To Be Disposed PropertiesContractedToBeDisposed	3
	eqr	Properties Designed And Built In Violation Of Accessibility Requirements PropertiesDesignedAndBuiltInViolationOfAccessibilityRequirements	300
	eqr	Property Units Acquired PropertyUnitsAcquired	1080
CY2014Q4	eqr	Purchase Price For Commitments To Acquire PurchasePriceForCommitmentsToAcquire	64300000	USD
CY2013Q4	eqr	Redeemable Noncontrolling Interest Operating Partnership Fair Value Disclosure RedeemableNoncontrollingInterestOperatingPartnershipFairValueDisclosure	363144000	USD
CY2014Q3	eqr	Redeemable Noncontrolling Interest Operating Partnership Fair Value Disclosure RedeemableNoncontrollingInterestOperatingPartnershipFairValueDisclosure	430149000	USD
CY2014Q3	eqr	Redeemable Noncontrolling Interests Operating Partnership RedeemableNoncontrollingInterestsOperatingPartnership	430149000	USD
CY2013Q4	eqr	Redeemable Noncontrolling Interests Operating Partnership RedeemableNoncontrollingInterestsOperatingPartnership	363144000	USD
	eqr	Reduction In Other Liabilities ReductionInOtherLiabilities	1000000	USD
	eqr	Reduction In Partially Owned Properties ReductionInPartiallyOwnedProperties	2200000	USD
	eqr	Repayments Of Mortgage Notes Payable RepaymentsOfMortgageNotesPayable	9527000	USD
	eqr	Repayments Of Mortgage Notes Payable RepaymentsOfMortgageNotesPayable	8919000	USD
CY2013Q4	eqr	Resident Security And Utility Deposits ResidentSecurityAndUtilityDeposits	44777000	USD
CY2014Q3	eqr	Resident Security And Utility Deposits ResidentSecurityAndUtilityDeposits	47000000	USD
CY2013Q4	eqr	Restricted Deposits On Real Estate Investments RestrictedDepositsOnRealEstateInvestments	53771000	USD
CY2014Q3	eqr	Restricted Deposits On Real Estate Investments RestrictedDepositsOnRealEstateInvestments	33201000	USD
CY2014Q4	eqr	Sales Price For Commitments To Dispose SalesPriceForCommitmentsToDispose	156500000	USD
CY2014Q3	eqr	Segment Reporting Information Net Operating Income SegmentReportingInformationNetOperatingIncome	442882000	USD
CY2013Q3	eqr	Segment Reporting Information Net Operating Income SegmentReportingInformationNetOperatingIncome	410490000	USD
	eqr	Segment Reporting Information Net Operating Income SegmentReportingInformationNetOperatingIncome	1129209000	USD
	eqr	Segment Reporting Information Net Operating Income SegmentReportingInformationNetOperatingIncome	1274590000	USD
CY2014Q3	eqr	Segment Reporting Information Non Same Store Net Operating Income SegmentReportingInformationNonSameStoreNetOperatingIncome	18373000	USD
CY2013Q3	eqr	Segment Reporting Information Non Same Store Net Operating Income SegmentReportingInformationNonSameStoreNetOperatingIncome	9961000	USD
	eqr	Segment Reporting Information Non Same Store Net Operating Income SegmentReportingInformationNonSameStoreNetOperatingIncome	43937000	USD
	eqr	Segment Reporting Information Non Same Store Net Operating Income SegmentReportingInformationNonSameStoreNetOperatingIncome	16079000	USD
CY2013Q3	eqr	Segment Reporting Information Revenues SegmentReportingInformationRevenues	624063000	USD
CY2014Q3	eqr	Segment Reporting Information Revenues SegmentReportingInformationRevenues	662001000	USD
	eqr	Segment Reporting Information Revenues SegmentReportingInformationRevenues	1942492000	USD
	eqr	Segment Reporting Information Revenues SegmentReportingInformationRevenues	1741169000	USD
CY2013Q3	eqr	Segment Reporting Information Same Store Net Operating Income SegmentReportingInformationSameStoreNetOperatingIncome	400529000	USD
CY2014Q3	eqr	Segment Reporting Information Same Store Net Operating Income SegmentReportingInformationSameStoreNetOperatingIncome	424509000	USD
	eqr	Segment Reporting Information Same Store Net Operating Income SegmentReportingInformationSameStoreNetOperatingIncome	1230653000	USD
	eqr	Segment Reporting Information Same Store Net Operating Income SegmentReportingInformationSameStoreNetOperatingIncome	1168824000	USD
CY2014Q3	eqr	Segment Reporting Segment Non Same Store Operating Expenses SegmentReportingSegmentNonSameStoreOperatingExpenses	7775000	USD
CY2013Q3	eqr	Segment Reporting Segment Non Same Store Operating Expenses SegmentReportingSegmentNonSameStoreOperatingExpenses	3492000	USD
	eqr	Segment Reporting Segment Non Same Store Operating Expenses SegmentReportingSegmentNonSameStoreOperatingExpenses	25391000	USD
	eqr	Segment Reporting Segment Non Same Store Operating Expenses SegmentReportingSegmentNonSameStoreOperatingExpenses	33826000	USD
CY2013Q3	eqr	Segment Reporting Segment Non Same Store Rental Income SegmentReportingSegmentNonSameStoreRentalIncome	13453000	USD
CY2014Q3	eqr	Segment Reporting Segment Non Same Store Rental Income SegmentReportingSegmentNonSameStoreRentalIncome	26148000	USD
	eqr	Segment Reporting Segment Non Same Store Rental Income SegmentReportingSegmentNonSameStoreRentalIncome	41470000	USD
	eqr	Segment Reporting Segment Non Same Store Rental Income SegmentReportingSegmentNonSameStoreRentalIncome	77763000	USD
CY2013Q3	eqr	Segment Reporting Segment Operating Expenses SegmentReportingSegmentOperatingExpenses	213573000	USD
CY2014Q3	eqr	Segment Reporting Segment Operating Expenses SegmentReportingSegmentOperatingExpenses	219119000	USD
	eqr	Segment Reporting Segment Operating Expenses SegmentReportingSegmentOperatingExpenses	611960000	USD
	eqr	Segment Reporting Segment Operating Expenses SegmentReportingSegmentOperatingExpenses	667902000	USD
CY2014Q3	eqr	Segment Reporting Segment Same Store Operating Expenses SegmentReportingSegmentSameStoreOperatingExpenses	211344000	USD
CY2013Q3	eqr	Segment Reporting Segment Same Store Operating Expenses SegmentReportingSegmentSameStoreOperatingExpenses	210081000	USD
	eqr	Segment Reporting Segment Same Store Operating Expenses SegmentReportingSegmentSameStoreOperatingExpenses	634076000	USD
	eqr	Segment Reporting Segment Same Store Operating Expenses SegmentReportingSegmentSameStoreOperatingExpenses	623298000	USD
CY2014Q3	eqr	Segment Reporting Segment Same Store Rental Income SegmentReportingSegmentSameStoreRentalIncome	635853000	USD
CY2013Q3	eqr	Segment Reporting Segment Same Store Rental Income SegmentReportingSegmentSameStoreRentalIncome	610610000	USD
	eqr	Segment Reporting Segment Same Store Rental Income SegmentReportingSegmentSameStoreRentalIncome	1864729000	USD
	eqr	Segment Reporting Segment Same Store Rental Income SegmentReportingSegmentSameStoreRentalIncome	1792122000	USD
CY2014Q3	eqr	Tax Deferred Exchange Proceeds TaxDeferredExchangeProceeds	3909000	USD
CY2013Q4	eqr	Tax Deferred Exchange Proceeds TaxDeferredExchangeProceeds	0	USD
	eqr	Total Operating Expenses TotalOperatingExpenses	611960000	USD
CY2013Q3	eqr	Total Operating Expenses TotalOperatingExpenses	213573000	USD
	eqr	Total Operating Expenses TotalOperatingExpenses	667902000	USD
CY2014Q3	eqr	Total Operating Expenses TotalOperatingExpenses	219119000	USD
CY2014Q4	eqr	Units Contracted To Be Acquired UnitsContractedToBeAcquired	161
CY2014Q4	eqr	Units Contracted To Be Disposed UnitsContractedToBeDisposed	529
	eqr	Unrealized Gain Loss On Derivative Instruments Notes Net UnrealizedGainLossOnDerivativeInstrumentsNotesNet	-2485000	USD
	eqr	Unrealized Gain Loss On Derivative Instruments Notes Net UnrealizedGainLossOnDerivativeInstrumentsNotesNet	-1523000	USD
	eqr	Unrealized Gain Loss On Derivative Instruments Other Assets UnrealizedGainLossOnDerivativeInstrumentsOtherAssets	-10609000	USD
	eqr	Unrealized Gain Loss On Derivative Instruments Other Assets UnrealizedGainLossOnDerivativeInstrumentsOtherAssets	11409000	USD
	eqr	Unrealized Gain Loss On Derivative Instruments Other Liabilities UnrealizedGainLossOnDerivativeInstrumentsOtherLiabilities	3427000	USD
	eqr	Unrealized Gain Loss On Derivative Instruments Other Liabilities UnrealizedGainLossOnDerivativeInstrumentsOtherLiabilities	12794000	USD
	eqr	Various Stages Of Development Date Maturity VariousStagesOfDevelopmentDateMaturity	2017-09-30
	eqr	Various Stages Of Development Date Maturity Unconsolidated VariousStagesOfDevelopmentDateMaturityUnconsolidated	2015-03-31
CY2014Q3	eqr	Weighted Average Ground Lease Amortization Period WeightedAverageGroundLeaseAmortizationPeriod	49.8
	eqr	Weighted Average Interest Rate WeightedAverageInterestRate	0.0499
	eqr	Weighted Average Mortgage Debt Interest Rate WeightedAverageMortgageDebtInterestRate	0.0424
CY2014Q3	eqr	Weighted Average Retail Lease Amortization Period WeightedAverageRetailLeaseAmortizationPeriod	2.8
	dei	Amendment Flag AmendmentFlag	false
	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--12-31
	dei	Document Fiscal Period Focus DocumentFiscalPeriodFocus	Q3
	dei	Document Fiscal Year Focus DocumentFiscalYearFocus	2014
	dei	Document Period End Date DocumentPeriodEndDate	2014-09-30
	dei	Document Type DocumentType	10-Q
	dei	Entity Central Index Key EntityCentralIndexKey	0000906107
CY2014Q4	dei	Entity Common Stock Shares Outstanding EntityCommonStockSharesOutstanding	362363189	shares
	dei	Entity Current Reporting Status EntityCurrentReportingStatus	Yes
	dei	Entity Filer Category EntityFilerCategory	Large Accelerated Filer
	dei	Entity Registrant Name EntityRegistrantName	EQUITY RESIDENTIAL
	dei	Entity Voluntary Filers EntityVoluntaryFilers	No
	dei	Entity Well Known Seasoned Issuer EntityWellKnownSeasonedIssuer	Yes

Files In Submission

Name	View Source	Status
0000906107-14-000023-index-headers.html	Edgar Link	pending
0000906107-14-000023-index.html	Edgar Link	pending
0000906107-14-000023.txt	Edgar Link	pending
0000906107-14-000023-xbrl.zip	Edgar Link	pending
eqr-20140930.xml	Edgar Link	completed
eqr-20140930.xsd	Edgar Link	pending
eqr-20140930_cal.xml	Edgar Link	unprocessable
eqr-20140930_def.xml	Edgar Link	unprocessable
eqr-20140930_lab.xml	Edgar Link	unprocessable
eqr-20140930_pre.xml	Edgar Link	unprocessable
eqr-2014930xexhibit311.htm	Edgar Link	pending
eqr-2014930xexhibit312.htm	Edgar Link	pending
eqr-2014930xexhibit321.htm	Edgar Link	pending
eqr-2014930xexhibit322.htm	Edgar Link	pending
erpop-2014930xexhibit313.htm	Edgar Link	pending
erpop-2014930xexhibit314.htm	Edgar Link	pending
erpop-2014930xexhibit323.htm	Edgar Link	pending
erpop-2014930xexhibit324.htm	Edgar Link	pending
exhibit1013q14.htm	Edgar Link	pending
exhibit1023q14.htm	Edgar Link	pending
exhibit12eqr-3q14.htm	Edgar Link	pending
FilingSummary.xml	Edgar Link	unprocessable
Financial_Report.xls	Edgar Link	pending
Financial_Report.xlsx	Edgar Link	pending
q31410-q.htm	Edgar Link	pending
R1.htm	Edgar Link	pending
R10.htm	Edgar Link	pending
R11.htm	Edgar Link	pending
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R60.htm	Edgar Link	pending
R61.htm	Edgar Link	pending
R7.htm	Edgar Link	pending
R8.htm	Edgar Link	pending
R9.htm	Edgar Link	pending
reitstructuregraphic3q14.jpg	Edgar Link	pending
report.css	Edgar Link	pending
Show.js	Edgar Link	pending

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$EQR
EQUITY RESIDENTIAL Stock $eqr

2014 Q4 Form 10-Q Financial Statement

#000090610714000023 Filed on November 06, 2014

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$EQR EQUITY RESIDENTIAL Stock $eqr

2014 Q4 Form 10-Q Financial Statement

#000090610714000023 Filed on November 06, 2014

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$EQR
EQUITY RESIDENTIAL Stock $eqr