XML 52 R34.htm IDEA: XBRL DOCUMENT
v3.10.0.1

Earning Per Share and Earnings Per Unit (Tables) | 9 Months Ended
--- | ---
Sep. 30, 2018
Schedule of Calculation of Numerator and Denominator in Earning Per Share and Earnings Per Unit | The following tables set forth the computation of net income per share – basic and net income per share – diluted for the Company (amounts in thousands except per share amounts):
|  | Nine Months Ended September 30, |  |  | Quarter Ended September 30, |
|  | 2018 |  |  | 2017 |  |  | 2018 |  |  | 2017 |
Numerator for net income per share – basic: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net income |  | $ | 562,804 |  |  | $ | 498,297 |  |  | $ | 223,846 |  |  | $ | 144,196 |
Allocation to Noncontrolling Interests – Operating Partnership |  |  | (20,517 | ) |  |  | (17,931 | ) |  |  | (8,159 | ) |  |  | (5,166 | )
Net (income) loss attributable to Noncontrolling Interests – Partially Owned Properties |  |  | (1,939 | ) |  |  | (2,354 | ) |  |  | (750 | ) |  |  | (801 | )
Preferred distributions |  |  | (2,318 | ) |  |  | (2,318 | ) |  |  | (773 | ) |  |  | (772 | )
Numerator for net income per share – basic |  | $ | 538,030 |  |  | $ | 475,694 |  |  | $ | 214,164 |  |  | $ | 137,457 |
Numerator for net income per share – diluted: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net income |  | $ | 562,804 |  |  | $ | 498,297 |  |  | $ | 223,846 |  |  | $ | 144,196 |
Net (income) loss attributable to Noncontrolling Interests – Partially Owned Properties |  |  | (1,939 | ) |  |  | (2,354 | ) |  |  | (750 | ) |  |  | (801 | )
Preferred distributions |  |  | (2,318 | ) |  |  | (2,318 | ) |  |  | (773 | ) |  |  | (772 | )
Numerator for net income per share – diluted |  | $ | 558,547 |  |  | $ | 493,625 |  |  | $ | 222,323 |  |  | $ | 142,623 |
Denominator for net income per share – basic and diluted: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Denominator for net income per share – basic |  |  | 367,920 |  |  |  | 366,809 |  |  |  | 368,028 |  |  |  | 366,996 |
Effect of dilutive securities: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
OP Units |  |  | 12,871 |  |  |  | 12,907 |  |  |  | 12,884 |  |  |  | 12,910 |
Long-term compensation shares/units |  |  | 2,642 |  |  |  | 2,924 |  |  |  | 2,972 |  |  |  | 3,039 |
Denominator for net income per share – diluted |  |  | 383,433 |  |  |  | 382,640 |  |  |  | 383,884 |  |  |  | 382,945 |
Net income per share – basic |  | $ | 1.46 |  |  | $ | 1.30 |  |  | $ | 0.58 |  |  | $ | 0.37 |
Net income per share – diluted |  | $ | 1.46 |  |  | $ | 1.29 |  |  | $ | 0.58 |  |  | $ | 0.37 |
ERPOP [Member] |
Schedule of Calculation of Numerator and Denominator in Earning Per Share and Earnings Per Unit | The following tables set forth the computation of net income per Unit – basic and net income per Unit – diluted for the Operating Partnership (amounts in thousands except per Unit amounts):
|  | Nine Months Ended September 30, |  |  | Quarter Ended September 30, |
|  | 2018 |  |  | 2017 |  |  | 2018 |  |  | 2017 |
Numerator for net income per Unit – basic and diluted: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net income |  | $ | 562,804 |  |  | $ | 498,297 |  |  | $ | 223,846 |  |  | $ | 144,196 |
Net (income) loss attributable to Noncontrolling Interests – Partially Owned Properties |  |  | (1,939 | ) |  |  | (2,354 | ) |  |  | (750 | ) |  |  | (801 | )
Allocation to Preference Units |  |  | (2,318 | ) |  |  | (2,318 | ) |  |  | (773 | ) |  |  | (772 | )
Numerator for net income per Unit – basic and diluted |  | $ | 558,547 |  |  | $ | 493,625 |  |  | $ | 222,323 |  |  | $ | 142,623 |
Denominator for net income per Unit – basic and diluted: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Denominator for net income per Unit – basic |  |  | 380,791 |  |  |  | 379,716 |  |  |  | 380,912 |  |  |  | 379,906 |
Effect of dilutive securities: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Dilution for Units issuable upon assumed exercise/vesting of the Company’s long-term compensation shares/units |  |  | 2,642 |  |  |  | 2,924 |  |  |  | 2,972 |  |  |  | 3,039 |
Denominator for net income per Unit – diluted |  |  | 383,433 |  |  |  | 382,640 |  |  |  | 383,884 |  |  |  | 382,945 |
Net income per Unit – basic |  | $ | 1.46 |  |  | $ | 1.30 |  |  | $ | 0.58 |  |  | $ | 0.37 |
Net income per Unit – diluted |  | $ | 1.46 |  |  | $ | 1.29 |  |  | $ | 0.58 |  |  | $ | 0.37 |

X
- Definition Tabular disclosure of an entity's basic and diluted earnings per share calculations, including a reconciliation of numerators and denominators of the basic and diluted per-share computations for income from continuing operations. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257 + Details
Name: | us-gaap_ScheduleOfEarningsPerShareBasicAndDilutedTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | dei_LegalEntityAxis=eqr_ERPOPMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |