XML 89 R84.htm IDEA: XBRL DOCUMENT
v2.4.1.9

Subsequent Events/Other (Details) (USD $) | 3 Months Ended | 12 Months Ended | 36 Months Ended | 2 Months Ended |  |
--- | --- | --- | --- | --- | --- | ---
Dec. 31, 2012 | Sep. 30, 2012 | Dec. 31, 2014 | Dec. 31, 2013 | Dec. 31, 2012 | Dec. 31, 2011 | Dec. 31, 2013 | Feb. 20, 2015 | Jan. 02, 2015 | Feb. 02, 2015
Subsequent Events/Other (Textuals) [Abstract] |  |  |  |  |  |  |  |  |  |
Disposed Properties |  |  | 11 eqr_DisposedProperties | 94 eqr_DisposedProperties |  |  |  |  |  |
Disposed Units |  |  | 3,480 eqr_DisposedUnits | 29,180 eqr_DisposedUnits |  |  |  |  |  |
Proceeds From Sale Of Property |  |  | $ 592,070,000 eqr_ProceedsFromSaleOfProperty | $ 4,616,073,000 eqr_ProceedsFromSaleOfProperty |  |  |  |  |  |
Repayments of Long-term Debt |  |  | 100,700,000 us-gaap_RepaymentsOfLongTermDebt |  |  |  |  |  |  |
Premium on redemption of Preference Units |  |  | 0 us-gaap_RedemptionPremium | 0 us-gaap_RedemptionPremium | 5,152,000 us-gaap_RedemptionPremium |  |  |  |  |
Business Combination, Acquisition Related Costs |  |  | 400,000 us-gaap_BusinessCombinationAcquisitionRelatedCosts | 300,000 us-gaap_BusinessCombinationAcquisitionRelatedCosts | 7,000,000 us-gaap_BusinessCombinationAcquisitionRelatedCosts |  |  |  |  |
Noncash Project Abandonment Costs |  |  | 3,607,000 us-gaap_NoncashProjectAbandonmentCosts | 5,184,000 us-gaap_NoncashProjectAbandonmentCosts | 9,056,000 us-gaap_NoncashProjectAbandonmentCosts |  |  |  |  |
Other Expenses |  |  | 4,000,000 us-gaap_OtherExpenses | 5,500,000 us-gaap_OtherExpenses | 16,000,000 us-gaap_OtherExpenses |  |  |  |  |
Litigation Settlement, Amount |  |  | 2,800,000 us-gaap_LitigationSettlementAmount |  |  |  |  |  |  |
(Gains) on Sale of Securities, Net |  |  | 0 us-gaap_GainLossOnSaleOfSecuritiesNet | (2,122,000)us-gaap_GainLossOnSaleOfSecuritiesNet | 0 us-gaap_GainLossOnSaleOfSecuritiesNet |  |  |  |  |
Litigation Settlement, Expense |  |  |  |  | 4,200,000 us-gaap_LitigationSettlementExpense |  |  |  |  |
BreakUpFee | 80,000,000 eqr_BreakUpFee | 70,000,000 eqr_BreakUpFee |  |  | 150,000,000 eqr_BreakUpFee |  |  |  |  |
Disposal Group Corporate Housing Business Sale |  |  |  |  |  | 4,000,000 eqr_DisposalGroupCorporateHousingBusinessSale |  |  |  |
Seller Provided Financing |  |  |  |  |  | 2,000,000 eqr_SellerProvidedFinancing |  |  |  |
Proceeds Received From Seller Provided Finanacing |  |  |  | 1,500,000 eqr_ProceedsReceivedFromSellerProvidedFinanacing |  | 300,000 eqr_ProceedsReceivedFromSellerProvidedFinanacing |  |  |  |
Discontinued Operation Corporate Housing Business Gain Loss On Disposal Of Discontinued Operation Net Of Tax |  |  |  |  |  |  | 2,900,000 eqr_DiscontinuedOperationCorporateHousingBusinessGainLossOnDisposalOfDiscontinuedOperationNetOfTax |  |  |
Subsequent Event [Member] |  |  |  |  |  |  |  |  |  |
Subsequent Events/Other (Textuals) [Abstract] |  |  |  |  |  |  |  |  |  |
Disposed Properties |  |  |  |  |  |  |  | 3 eqr_DisposedProperties / us-gaap_SubsequentEventTypeAxis = us-gaap_SubsequentEventMember |  |
Disposed Units |  |  |  |  |  |  |  | 550 eqr_DisposedUnits / us-gaap_SubsequentEventTypeAxis = us-gaap_SubsequentEventMember |  |
Proceeds From Sale Of Property |  |  |  |  |  |  |  | 145,400,000 eqr_ProceedsFromSaleOfProperty / us-gaap_SubsequentEventTypeAxis = us-gaap_SubsequentEventMember |  |
Repayments of Long-term Debt |  |  |  |  |  |  |  | 61,500,000 us-gaap_RepaymentsOfLongTermDebt / us-gaap_SubsequentEventTypeAxis = us-gaap_SubsequentEventMember |  |
Series K Preferred Stock [Member] | Subsequent Event [Member] |  |  |  |  |  |  |  |  |  |
Subsequent Events/Other (Textuals) [Abstract] |  |  |  |  |  |  |  |  |  |
Preferred Stock Preference Units Repurchased and Retired |  |  |  |  |  |  |  | 196,400 eqr_PreferredStockPreferenceUnitsRepurchasedandRetired / us-gaap_StatementClassOfStockAxis = eqr_SeriesKPreferredStockMember / us-gaap_SubsequentEventTypeAxis = us-gaap_SubsequentEventMember |  |
Treasury Stock, Value, Acquired, Par Value Method |  |  |  |  |  |  |  | 9,820,000 us-gaap_TreasuryStockValueAcquiredParValueMethod / us-gaap_StatementClassOfStockAxis = eqr_SeriesKPreferredStockMember / us-gaap_SubsequentEventTypeAxis = us-gaap_SubsequentEventMember |  |
Payments For Repurchase Of Preference Units |  |  |  |  |  |  |  | 12,700,000 eqr_PaymentsForRepurchaseOfPreferenceUnits / us-gaap_StatementClassOfStockAxis = eqr_SeriesKPreferredStockMember / us-gaap_SubsequentEventTypeAxis = us-gaap_SubsequentEventMember |  |
Premium on redemption of Preference Units |  |  |  |  |  |  |  | 2,800,000 us-gaap_RedemptionPremium / us-gaap_StatementClassOfStockAxis = eqr_SeriesKPreferredStockMember / us-gaap_SubsequentEventTypeAxis = us-gaap_SubsequentEventMember |  |
Forward Starting Swaps [Member] |  |  |  |  |  |  |  |  |  |
Subsequent Events/Other (Textuals) [Abstract] |  |  |  |  |  |  |  |  |  |
Notional Amount Of Hedge Instruments |  |  | 400,000,000 eqr_NotionalAmountOfHedgeInstruments / us-gaap_DerivativeByNatureAxis = eqr_ForwardStartingSwapsMember |  |  |  |  |  |  |
Forward Starting Swaps [Member] | Subsequent Event [Member] |  |  |  |  |  |  |  |  |  |
Subsequent Events/Other (Textuals) [Abstract] |  |  |  |  |  |  |  |  |  |
Notional Amount Of Hedge Instruments |  |  |  |  |  |  |  |  | 50,000,000 eqr_NotionalAmountOfHedgeInstruments / us-gaap_DerivativeByNatureAxis = eqr_ForwardStartingSwapsMember / us-gaap_SubsequentEventTypeAxis = us-gaap_SubsequentEventMember |
Commercial Paper [Member] | Subsequent Event [Member] |  |  |  |  |  |  |  |  |  |
Subsequent Events/Other (Textuals) [Abstract] |  |  |  |  |  |  |  |  |  |
Debt Instrument, Unused Borrowing Capacity, Amount |  |  |  |  |  |  |  |  |  | $ 500,000,000 us-gaap_DebtInstrumentUnusedBorrowingCapacityAmount / us-gaap_DebtInstrumentAxis = us-gaap_CommercialPaperMember / us-gaap_SubsequentEventTypeAxis = us-gaap_SubsequentEventMember

X
- Definition The maximum amount that the company will receive in the event that the contract to purchase an ownership interest in a potential transaction is terminated. + References No definition available. + Details
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Balance Type: | na
Period Type: | duration

X
- Definition Gain(loss) after tax expense (benefit), not previously recognized and resulting from the sale of the company's corporate housing business, which is recognized at the date of sale. A gain (loss) reflects the amount by which the consideration received exceeds (is exceeded by) the net carrying amount (reflecting previous provisions for loss on disposal, if any) of the disposal group. + References No definition available. + Details
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Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition The cash inflow from the sale of the company's corporate housing business. + References No definition available. + Details
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Balance Type: | credit
Period Type: | duration

X
- Definition The total number of rental properties that the Company disposed of to unaffiliated parties during the period. + References No definition available. + Details
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Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

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- Definition Total number of rental units associated with rental properties that the company disposed of to unaffiliated third parties during the period. + References No definition available. + Details
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Period Type: | duration

X
- Definition Aggregate notional amount of all derivatives designated as fair value or cash flow hedging instruments. The notional amount relates to a number of currency units, shares, bushels, pounds, or other units specified in a derivative instrument. + References No definition available. + Details
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Balance Type: | debit
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- Definition The cash outlfow to repurchase preference units during the period. + References No definition available. + Details
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Balance Type: | credit
Period Type: | duration

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- Definition Total number of Preferred Stock Preference Units Repurchased and Retired during period. Excludes preferred shares/preference units that are classified as debt. + References No definition available. + Details
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Namespace Prefix: | eqr_
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Balance Type: | na
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- Definition The cash inflow from the sale of real estate investment property. + References No definition available. + Details
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Balance Type: | debit
Period Type: | duration

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- Definition The amount received in relation to the note issued by the company to the buyer . + References No definition available. + Details
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- Definition Loan provided by the company to the buyer at closing. + References No definition available. + Details
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- Details
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- Definition This element represents acquisition-related costs incurred to effect a business combination which costs have been expensed during the period. Such costs include finder's fees; advisory, legal, accounting, valuation, and other professional or consulting fees; general administrative costs, including the costs of maintaining an internal acquisitions department; and may include costs of registering and issuing debt and equity securities. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 10 -Section 25 -Paragraph 23 -URI http://asc.fasb.org/extlink&oid=34752592&loc=d3e1043-128460 + Details
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- Definition Amount of unused borrowing capacity under the long-term financing arrangement that is available to the entity as of the balance sheet date. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.22(b)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 22 -Subparagraph b -Article 5 + Details
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- Definition The net gain (loss) realized from the sale, exchange, redemption, or retirement of securities, not separately or otherwise categorized as trading, available-for-sale, or held-to-maturity. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 225 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-04.13(h)) -URI http://asc.fasb.org/extlink&oid=6879574&loc=d3e536633-122882 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 04 -Paragraph 13 -Subparagraph h -Article 9 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 225 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-04.3) -URI http://asc.fasb.org/extlink&oid=6879464&loc=d3e573970-122913 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 04 -Paragraph 3 -Article 7 + Details
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- Definition Amount of judgment or settlement awarded to (against) the entity in respect of litigation. + References No definition available. + Details
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- Definition Amount of litigation expense, including but not limited to legal, forensic, accounting, and investigative fees. + References No definition available. + Details
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- Definition The expense charged against earnings to eliminate the capitalized costs of projects that have been terminated during the reporting period, which is added back to net income when calculating cash provided by (used in) operations using the indirect method. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3602-108585 + Details
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- Definition This element represents a sum total of expenses not separately reflected on the income statement for the period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 04 -Paragraph 7 -Article 7 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 225 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-04.7) -URI http://asc.fasb.org/extlink&oid=6879464&loc=d3e573970-122913 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.4,6) -URI http://asc.fasb.org/extlink&oid=26872669&loc=d3e20235-122688 + Details
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- Definition The excess of the (1) fair value of consideration transferred to the holders of a security in excess of (2) the carrying amount of the security reported on the registrant's balance sheet, which will be deducted from net earnings to derive net earnings available to common shareholders. This amount is generally an adjustment considered in the computation of earnings per share. + References No definition available. + Details
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- Definition The cash outflow for debt initially having maturity due after one year or beyond the normal operating cycle, if longer. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 15 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3291-108585 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Financing Activities -URI http://asc.fasb.org/extlink&oid=6513228 + Details
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- Definition Equity impact of the cost of common and preferred stock that were repurchased during the period. Recorded using the par value method. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 04 -Article 3 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21463-112644 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.3-04) -URI http://asc.fasb.org/extlink&oid=27012166&loc=d3e187085-122770 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 30 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6405813&loc=d3e23239-112655 + Details
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- Details
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- Details
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- Details
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- Details
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