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Commitments to Acquire/Dispose of Real Estate (Tables) | 9 Months Ended
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Sep. 30, 2015
Commitments to Acquire Dispose of Real Estate [Abstract] |
Real Estate to be Acquired Table Text Block | In addition to the properties that were subsequently acquired as discussed in Note 14, the Company has entered into a separate agreement to acquire the following (purchase price in thousands):
|  | Properties |  | Apartment Units |  | Purchase Price
Other |  | — |  |  | 2 |  |  | $ | 6,000 |
Total |  | — |  |  | 2 |  |  | $ | 6,000 |
Real Estate To Be Disposed Of Text Block | In addition to the property that was subsequently disposed of as discussed in Note 14, the Company has entered into separate agreements to dispose of the following (sales price in thousands):
|  | Properties |  | Apartment Units |  | Sales Price
Rental Properties (1) |  | 77 |  |  | 23,961 |  |  | $ | 5,830,203 |
Land Parcels (three) |  | — |  |  | — |  |  | 29,900 |
Total |  | 77 |  |  | 23,961 |  |  | $ | 5,860,103 |
(1) Includes the agreement to sell 72 properties consisting of 23,262 apartment units to a controlled affiliate of Starwood Capital Group for $5.365 billion. See Note 14 for further discussion.

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- Definition Commitments to Acquire/Dispose of Real Estate. + References No definition available. + Details
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- Definition Breakdown of rental properties, land parcels and associated units to be acquired subsequent to the balance sheet date per separate agreements entered into prior to the balance sheet date. + References No definition available. + Details
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Namespace Prefix: | eqr_
Data Type: | nonnum:textBlockItemType
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- Definition Breakdown of rental properties, units and land parcels to be disposed of subsequent to the balance sheet date per separate agreements entered into prior to the balance sheet date. + References No definition available. + Details
Name: | eqr_RealEstateToBeDisposedOfTableTextBlock
Namespace Prefix: | eqr_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
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