10-Q

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 10-Q

☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended June 30, 2022

OR

☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from        to

Commission File Number: 1-12252 (Equity Residential)

Commission File Number: 0-24920 (ERP Operating Limited Partnership)

EQUITY RESIDENTIAL

ERP OPERATING LIMITED PARTNERSHIP

(Exact name of registrant as specified in its charter)

Maryland (Equity Residential)	13-3675988 (Equity Residential)
Illinois (ERP Operating Limited Partnership)	36-3894853 (ERP Operating Limited Partnership)
(State or other jurisdiction of incorporation or organization)	(I.R.S. Employer Identification No.)
Two North Riverside Plaza, Chicago, Illinois 60606	(312) 474-1300
(Address of principal executive offices) (Zip Code)	(Registrant’s telephone number, including area code)

Securities registered pursuant to Section 12(b) of the Act:

Title of each class	Trading Symbol(s)	Name of each exchange on which registered
Common Shares of Beneficial Interest, $0.01 Par Value (Equity Residential)	EQR	New York Stock Exchange
7.57% Notes due August 15, 2026 (ERP Operating Limited Partnership)	N/A	New York Stock Exchange

Indicate by check mark whether the registrant (1) has filed all reports required to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 during the preceding 12 months (or for such shorter period that the registrant was required to file such reports), and (2) has been subject to such filing requirements for the past 90 days.

Equity Residential  Yes ☒  No ☐ ERP Operating Limited Partnership  Yes ☒  No ☐

Indicate by check mark whether the registrant has submitted electronically every Interactive Data File required to be submitted pursuant to Rule 405 of Regulation S-T (§232.405 of this chapter) during the preceding 12 months (or for such shorter period that the registrant was required to submit such files).

Equity Residential  Yes ☒  No ☐ ERP Operating Limited Partnership  Yes ☒  No ☐

Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer, a smaller reporting company, or an emerging growth company.  See the definitions of “large accelerated filer,” “accelerated filer,” “smaller reporting company,” and “emerging growth company” in Rule 12b-2 of the Exchange Act.

Equity Residential:

Large accelerated filer	☒	Accelerated filer	☐
Non-accelerated filer	☐	Smaller reporting company	☐
Emerging growth company	☐

l

ERP Operating Limited Partnership:

Large accelerated filer	☐	Accelerated filer	☐
Non-accelerated filer	☒	Smaller reporting company	☐
Emerging growth company	☐

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act.

Equity Residential  ☐ ERP Operating Limited Partnership  ☐

Indicate by check mark whether the registrant is a shell company (as defined in Rule 12b-2 of the Exchange Act).

Equity Residential  Yes ☐  No ☒ ERP Operating Limited Partnership  Yes ☐  No ☒

The number of EQR Common Shares of Beneficial Interest, $0.01 par value, outstanding on July 22, 2022 was 376,118,260.

EXPLANATORY NOTE

This report combines the reports on Form 10-Q for the quarterly period ended June 30, 2022 of Equity Residential and ERP Operating Limited Partnership.  Unless stated otherwise or the context otherwise requires, references to “EQR” mean Equity Residential, a Maryland real estate investment trust (“REIT”), and references to “ERPOP” mean ERP Operating Limited Partnership, an Illinois limited partnership.  References to the “Company,” “we,” “us” or “our” mean collectively EQR, ERPOP and those entities/subsidiaries owned or controlled by EQR and/or ERPOP.  References to the “Operating Partnership” mean collectively ERPOP and those entities/subsidiaries owned or controlled by ERPOP.  The following chart illustrates the Company’s and the Operating Partnership’s corporate structure:

EQR is the general partner of, and as of June 30, 2022 owned an approximate 96.7% ownership interest in, ERPOP.  The remaining 3.3% interest is owned by limited partners.  As the sole general partner of ERPOP, EQR has exclusive control of ERPOP’s day-to-day management.  Management operates the Company and the Operating Partnership as one business.  The management of EQR consists of the same members as the management of ERPOP.

The Company is structured as an umbrella partnership REIT (“UPREIT”) and EQR contributes all net proceeds from its various equity offerings to ERPOP.  In return for those contributions, EQR receives a number of OP Units (see definition below) in ERPOP equal to the number of Common Shares it has issued in the equity offering.  The Company may acquire properties in transactions that include the issuance of OP Units as consideration for the acquired properties.  Such transactions may, in certain circumstances, enable the sellers to defer in whole or in part, the recognition of taxable income or gain that might otherwise result from the sales.  This is one of the reasons why the Company is structured in the manner shown above.  Based on the terms of ERPOP’s partnership agreement, OP Units can be exchanged with Common Shares on a one-for-one basis because the Company maintains a one-for-one relationship between the OP Units of ERPOP issued to EQR and the outstanding Common Shares.

The Company believes that combining the reports on Form 10-Q of EQR and ERPOP into this single report provides the following benefits:

• enhances investors’ understanding of the Company and the Operating Partnership by enabling investors to view the business as a whole in the same manner as management views and operates the business;

• eliminates duplicative disclosure and provides a more streamlined and readable presentation since a substantial portion of the disclosure applies to both the Company and the Operating Partnership; and

• creates time and cost efficiencies through the preparation of one combined report instead of two separate reports.

The Company believes it is important to understand the few differences between EQR and ERPOP in the context of how EQR and ERPOP operate as a consolidated company.  All of the Company’s property ownership, development and related business operations are conducted through the Operating Partnership and EQR has no material assets or liabilities other than its investment in ERPOP.  EQR’s primary function is acting as the general partner of ERPOP.  EQR also issues equity from time to time, the net proceeds of which it is obligated to contribute to ERPOP.  EQR does not have any indebtedness as all debt is incurred by the Operating Partnership.  The Operating Partnership holds substantially all of the assets of the Company, including the Company’s ownership interests in its joint ventures.  The Operating Partnership conducts the operations of the business and is structured as a partnership with no publicly traded equity.  Except for the net proceeds from equity offerings by EQR (which are contributed to the capital of ERPOP in exchange for additional partnership interests in ERPOP (“OP Units”) (on a one-for-one Common Share per OP Unit basis) or additional preference units in ERPOP (on a one-for-one preferred share per preference unit basis)), the Operating Partnership generates all remaining capital required by the Company’s business.  These sources include the Operating Partnership’s working capital, net cash provided by operating activities, borrowings under its revolving credit facility and/or commercial paper program, the issuance of secured and unsecured debt and partnership interests, and proceeds received from disposition of certain properties and joint venture interests.

Shareholders’ equity, partners’ capital and noncontrolling interests are the main areas of difference between the consolidated financial statements of the Company and those of the Operating Partnership.  The limited partners of the Operating Partnership are accounted for as partners’ capital in the Operating Partnership’s financial statements and as noncontrolling interests in the Company’s financial statements.  The noncontrolling interests in the Operating Partnership’s financial statements include the interests of unaffiliated partners in various consolidated partnerships.  The noncontrolling interests in the Company’s financial statements include the same noncontrolling interests at the Operating Partnership level and limited partner OP Unit holders of the Operating Partnership.  The differences between shareholders’ equity and partners’ capital result from differences in the equity issued at the Company and Operating Partnership levels.

To help investors understand the differences between the Company and the Operating Partnership, this report provides separate consolidated financial statements for the Company and the Operating Partnership; a single set of consolidated notes to such financial statements that includes separate discussions of each entity’s debt, noncontrolling interests and shareholders’ equity or partners’ capital, as applicable; and a combined Management’s Discussion and Analysis of Financial Condition and Results of Operations section that includes discrete information related to each entity.

This report also includes separate Part I, Item 4, Controls and Procedures, sections and separate Exhibits 31 and 32 certifications for each of the Company and the Operating Partnership in order to establish that the requisite certifications have been made and that the Company and the Operating Partnership are compliant with Rule 13a-15 or Rule 15d-15 of the Securities Exchange Act of 1934, as amended (the “Exchange Act”), and 18 U.S.C. §1350.

In order to highlight the differences between the Company and the Operating Partnership, the separate sections in this report for the Company and the Operating Partnership specifically refer to the Company and the Operating Partnership.  In the sections that combine disclosure of the Company and the Operating Partnership, this report refers to actions or holdings as being actions or holdings of the Company.  Although the Operating Partnership is generally the entity that directly or indirectly enters into contracts and joint ventures and holds assets and debt, reference to the Company is appropriate because the Company is one business and the Company operates that business through the Operating Partnership.

As general partner with control of ERPOP, EQR consolidates ERPOP for financial reporting purposes, and EQR essentially has no assets or liabilities other than its investment in ERPOP.  Therefore, the assets and liabilities of the Company and the Operating Partnership are the same on their respective financial statements.  The separate discussions of the Company and the Operating Partnership in this report should be read in conjunction with each other to understand the results of the Company on a consolidated basis and how management operates the Company.

TABLE OF CONTENTS

	PAGE
PART I.
Item 1. Financial Statements of Equity Residential:
Consolidated Balance Sheets as of June 30, 2022 and December 31, 2021	2
Consolidated Statements of Operations and Comprehensive Income for the six months and quarters ended June 30, 2022 and 2021	3
Consolidated Statements of Cash Flows for the six months ended June 30, 2022 and 2021	5
Consolidated Statements of Changes in Equity for the six months and quarters ended June 30, 2022 and 2021	8
Financial Statements of ERP Operating Limited Partnership:
Consolidated Balance Sheets as of June 30, 2022 and December 31, 2021	10
Consolidated Statements of Operations and Comprehensive Income for the six months and quarters ended June 30, 2022 and 2021	11
Consolidated Statements of Cash Flows for the six months ended June 30, 2022 and 2021	13
Consolidated Statements of Changes in Capital for the six months and quarters ended June 30, 2022 and 2021	16
Notes to Consolidated Financial Statements of Equity Residential and ERP Operating Limited Partnership	18
Item 2. Management’s Discussion and Analysis of Financial Condition and Results of Operations	36
Item 3. Quantitative and Qualitative Disclosures about Market Risk	47
Item 4. Controls and Procedures	47
PART II.
Item 1. Legal Proceedings	48
Item 1A. Risk Factors	48
Item 2. Unregistered Sales of Equity Securities and Use of Proceeds	48
Item 3. Defaults Upon Senior Securities	48
Item 4. Mine Safety Disclosures	48
Item 5. Other Information	48
Item 6. Exhibits	48

EQUITY RESIDENTIAL

CONSOLIDATED BALANCE SHEETS

(Amounts in thousands except for share amounts)

(Unaudited)

	June 30,			December 31,
	2022			2021
ASSETS
Land	$	5,733,412		$	5,814,790
Depreciable property		22,443,313			22,370,811
Projects under development		65,161			24,307
Land held for development		59,573			62,998
Investment in real estate		28,301,459			28,272,906
Accumulated depreciation		(8,740,806	)		(8,354,282	)
Investment in real estate, net		19,560,653			19,918,624
Investments in unconsolidated entities		169,272			127,448
Cash and cash equivalents		45,010			123,832
Restricted deposits		73,641			236,404
Right-of-use assets		468,834			474,713
Other assets		256,935			288,220
Total assets	$	20,574,345		$	21,169,241
LIABILITIES AND EQUITY
Liabilities:
Mortgage notes payable, net	$	1,944,404		$	2,191,201
Notes, net		5,838,693			5,835,222
Line of credit and commercial paper		184,946			315,030
Accounts payable and accrued expenses		119,402			107,013
Accrued interest payable		69,037			69,510
Lease liabilities		310,513			312,335
Other liabilities		292,205			353,102
Security deposits		69,609			66,141
Distributions payable		242,667			233,502
Total liabilities		9,071,476			9,483,056
Commitments and contingencies
Redeemable Noncontrolling Interests – Operating Partnership		398,188			498,977
Equity:
Shareholders' equity:
Preferred Shares of beneficial interest, $0.01 par value; 100,000,000 shares    authorized; 745,600 shares issued and outstanding as of June 30, 2022 and    December 31, 2021		37,280			37,280
Common Shares of beneficial interest, $0.01 par value; 1,000,000,000 shares    authorized; 376,118,433 shares issued and outstanding as of June 30, 2022 and    375,527,195 shares issued and outstanding as of December 31, 2021		3,761			3,755
Paid in capital		9,229,738			9,121,122
Retained earnings		1,649,960			1,827,063
Accumulated other comprehensive income (loss)		(30,650	)		(34,272	)
Total shareholders’ equity		10,890,089			10,954,948
Noncontrolling Interests:
Operating Partnership		216,326			214,094
Partially Owned Properties		(1,734	)		18,166
Total Noncontrolling Interests		214,592			232,260
Total equity		11,104,681			11,187,208
Total liabilities and equity	$	20,574,345		$	21,169,241

See accompanying notes

2

EQUITY RESIDENTIAL

CONSOLIDATED STATEMENTS OF OPERATIONS AND COMPREHENSIVE INCOME

(Amounts in thousands except per share data)

(Unaudited)

	Six Months Ended June 30,						Quarter Ended June 30,
	2022			2021			2022			2021
REVENUES
Rental income	$	1,340,378		$	1,195,661		$	687,030		$	598,059
EXPENSES
Property and maintenance		241,229			224,800			116,355			107,746
Real estate taxes and insurance		202,538			200,871			101,850			97,401
Property management		57,306			50,585			26,559			24,455
General and administrative		33,661			30,061			16,423			14,678
Depreciation		453,767			400,635			223,806			200,673
Total expenses		988,501			906,952			484,993			444,953
Net gain (loss) on sales of real estate properties		107,795			223,695			107,897			223,738
Operating income		459,672			512,404			309,934			376,844
Interest and other income		4,124			24,320			596			24,104
Other expenses		(5,436	)		(7,452	)		(2,380	)		(3,342	)
Interest:
Expense incurred, net		(144,681	)		(134,482	)		(71,889	)		(67,124	)
Amortization of deferred financing costs		(4,201	)		(4,124	)		(2,124	)		(1,939	)
Income before income and other taxes, income (loss) from investments in    unconsolidated entities and net gain (loss) on sales of land parcels		309,478			390,666			234,137			328,543
Income and other tax (expense) benefit		(573	)		(395	)		(291	)		(242	)
Income (loss) from investments in unconsolidated entities		(2,429	)		(1,872	)		(1,168	)		(261	)
Net gain (loss) on sales of land parcels		—			5			—			—
Net income		306,476			388,404			232,678			328,040
Net (income) loss attributable to Noncontrolling Interests:
Operating Partnership		(10,027	)		(13,056	)		(7,633	)		(10,913	)
Partially Owned Properties		(1,583	)		(1,423	)		(944	)		(741	)
Net income attributable to controlling interests		294,866			373,925			224,101			316,386
Preferred distributions		(1,545	)		(1,545	)		(773	)		(772	)
Net income available to Common Shares	$	293,321		$	372,380		$	223,328		$	315,614
Earnings per share – basic:
Net income available to Common Shares	$	0.78		$	1.00		$	0.59		$	0.84
Weighted average Common Shares outstanding		375,640			373,050			375,769			373,812
Earnings per share – diluted:
Net income available to Common Shares	$	0.78		$	1.00		$	0.59		$	0.84
Weighted average Common Shares outstanding		389,463			387,367			389,363			387,820

See accompanying notes

3

EQUITY RESIDENTIAL

CONSOLIDATED STATEMENTS OF OPERATIONS AND COMPREHENSIVE INCOME (Continued)

(Amounts in thousands except per share data)

(Unaudited)

	Six Months Ended June 30,						Quarter Ended June 30,
	2022			2021			2022			2021
Comprehensive income:
Net income	$	306,476		$	388,404		$	232,678		$	328,040
Other comprehensive income (loss):
Other comprehensive income (loss) – derivative instruments:
Unrealized holding gains (losses) arising during the period		(1,259	)		—			(1,259	)		—
Losses reclassified into earnings from other comprehensive    income		4,881			4,637			2,456			2,334
Other comprehensive income (loss)		3,622			4,637			1,197			2,334
Comprehensive income		310,098			393,041			233,875			330,374
Comprehensive (income) attributable to Noncontrolling Interests		(11,730	)		(14,641	)		(8,617	)		(11,732	)
Comprehensive income attributable to controlling interests	$	298,368		$	378,400		$	225,258		$	318,642

See accompanying notes

4

EQUITY RESIDENTIAL

CONSOLIDATED STATEMENTS OF CASH FLOWS

(Amounts in thousands)

(Unaudited)

	Six Months Ended June 30,
	2022			2021
CASH FLOWS FROM OPERATING ACTIVITIES:
Net income	$	306,476		$	388,404
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation		453,767			400,635
Amortization of deferred financing costs		4,201			4,124
Amortization of above/below market lease intangibles		—			(154	)
Amortization of discounts and premiums on debt		2,891			2,593
Amortization of deferred settlements on derivative instruments		4,875			4,631
Amortization of right-of-use assets		6,103			7,308
Write-off of pursuit costs		2,515			2,647
(Income) loss from investments in unconsolidated entities		2,429			1,872
Distributions from unconsolidated entities – return on capital		164			—
Net (gain) loss on sales of real estate properties		(107,795	)		(223,695	)
Net (gain) loss on sales of land parcels		—			(5	)
Realized (gain) loss on sale of investment securities		(2,064	)		(23,432	)
Compensation paid with Company Common Shares		18,600			16,077
Changes in assets and liabilities:
(Increase) decrease in other assets		(2,096	)		(4,462	)
Increase (decrease) in accounts payable and accrued expenses		22,615			6,514
Increase (decrease) in accrued interest payable		(473	)		(82	)
Increase (decrease) in lease liabilities		(817	)		(3,211	)
Increase (decrease) in other liabilities		(23,985	)		(5,387	)
Increase (decrease) in security deposits		3,468			1,748
Net cash provided by operating activities		690,874			576,125
CASH FLOWS FROM INVESTING ACTIVITIES:
Investment in real estate – acquisitions		(113,046	)		(281,426	)
Investment in real estate – development/other		(55,491	)		(125,156	)
Capital expenditures to real estate		(83,304	)		(66,443	)
Non-real estate capital additions		(981	)		(1,042	)
Interest capitalized for real estate and unconsolidated entities under development		(2,267	)		(8,176	)
Proceeds from disposition of real estate, net		255,922			406,922
Investments in unconsolidated entities – development/other		(48,577	)		(4,491	)
Distributions from unconsolidated entities – return of capital		9			4
Purchase of investment securities and other investments		(1,034	)		(166,945	)
Proceeds from sale of investment securities		3,434			191,398
Net cash provided by (used for) investing activities		(45,335	)		(55,355	)

See accompanying notes

5

EQUITY RESIDENTIAL

CONSOLIDATED STATEMENTS OF CASH FLOWS (Continued)

(Amounts in thousands)

(Unaudited)

	Six Months Ended June 30,
	2022			2021
CASH FLOWS FROM FINANCING ACTIVITIES:
Debt financing costs	$	(228	)	$	(362	)
Mortgage notes payable, net:
Proceeds		14,586			47,759
Lump sum payoffs		(260,874	)		(59,880	)
Scheduled principal repayments		(2,985	)		(3,713	)
Line of credit and commercial paper:
Commercial paper proceeds		2,836,037			2,819,940
Commercial paper repayments		(2,966,121	)		(2,603,000	)
Finance ground lease principal payments		(1,229	)		(232	)
Proceeds from Employee Share Purchase Plan (ESPP)		2,378			2,667
Proceeds from exercise of options		18,928			39,623
Payment of offering costs		(487	)		—
Other financing activities, net		(31	)		(31	)
Acquisition of Noncontrolling Interests – Partially Owned Properties		(32,178	)		—
Contributions – Noncontrolling Interests – Partially Owned Properties		603			—
Contributions – Noncontrolling Interests – Operating Partnership		1			—
Distributions:
Common Shares		(461,605	)		(448,983	)
Preferred Shares		(1,545	)		(1,545	)
Noncontrolling Interests – Operating Partnership		(15,142	)		(16,540	)
Noncontrolling Interests – Partially Owned Properties		(17,232	)		(3,700	)
Net cash provided by (used for) financing activities		(887,124	)		(227,997	)
Net increase (decrease) in cash and cash equivalents and restricted deposits		(241,585	)		292,773
Cash and cash equivalents and restricted deposits, beginning of period		360,236			99,728
Cash and cash equivalents and restricted deposits, end of period	$	118,651		$	392,501
Cash and cash equivalents and restricted deposits, end of period
Cash and cash equivalents	$	45,010		$	39,492
Restricted deposits		73,641			353,009
Total cash and cash equivalents and restricted deposits, end of period	$	118,651		$	392,501

See accompanying notes

6

EQUITY RESIDENTIAL

CONSOLIDATED STATEMENTS OF CASH FLOWS (Continued)

(Amounts in thousands)

(Unaudited)

	Six Months Ended June 30,
	2022			2021
SUPPLEMENTAL INFORMATION:
Cash paid for interest, net of amounts capitalized	$	136,787		$	126,742
Net cash paid (received) for income and other taxes	$	687		$	888
Amortization of deferred financing costs:
Investment in real estate, net	$	(253	)	$	(100	)
Other assets	$	1,170		$	1,169
Mortgage notes payable, net	$	1,159		$	1,139
Notes, net	$	2,125		$	1,916
Amortization of discounts and premiums on debt:
Mortgage notes payable, net	$	1,545		$	1,374
Notes, net	$	1,346		$	1,219
Amortization of deferred settlements on derivative instruments:
Other liabilities	$	(6	)	$	(6	)
Accumulated other comprehensive income	$	4,881		$	4,637
Write-off of pursuit costs:
Investment in real estate, net	$	761		$	2,314
Investments in unconsolidated entities	$	1,637		$	—
Other assets	$	117		$	317
Accounts payable and accrued expenses	$	—		$	16
(Income) loss from investments in unconsolidated entities:
Investments in unconsolidated entities	$	1,797		$	1,216
Other liabilities	$	632		$	656
Realized/unrealized (gain) loss on derivative instruments:
Other liabilities	$	1,259		$	—
Accumulated other comprehensive income	$	(1,259	)	$	—
Interest capitalized for real estate and unconsolidated entities under development:
Investment in real estate, net	$	(675	)	$	(8,176	)
Investments in unconsolidated entities	$	(1,592	)	$	—
Investments in unconsolidated entities – other:
Investments in unconsolidated entities	$	(47,887	)	$	(3,231	)
Other liabilities	$	(690	)	$	(1,260	)
Debt financing costs:
Other assets	$	—		$	(44	)
Mortgage notes payable, net	$	(228	)	$	(318	)
Right-of-use assets and lease liabilities initial measurement and reclassifications:
Right-of-use assets	$	(224	)	$	11,308
Lease liabilities	$	224		$	(11,308	)
Non-cash share distribution and other transfers from unconsolidated entities:
Investments in unconsolidated entities	$	4,048		$	1,429
Other assets	$	(4,048	)	$	(1,429	)

See accompanying notes

7

EQUITY RESIDENTIAL

CONSOLIDATED STATEMENTS OF CHANGES IN EQUITY

(Amounts in thousands except per share data)

(Unaudited)

	Six Months Ended June 30,						Quarter Ended June 30,
	2022			2021			2022			2021
SHAREHOLDERS’ EQUITY
PREFERRED SHARES
Balance, beginning of period	$	37,280		$	37,280		$	37,280		$	37,280
Balance, end of period	$	37,280		$	37,280		$	37,280		$	37,280
COMMON SHARES, $0.01 PAR VALUE
Balance, beginning of period	$	3,755		$	3,723		$	3,760		$	3,729
Conversion of OP Units into Common Shares		—			11			—			11
Exercise of share options		4			8			1			3
Employee Share Purchase Plan (ESPP)		—			1			—			1
Share-based employee compensation expense:
Restricted shares		2			1			—			—
Balance, end of period	$	3,761		$	3,744		$	3,761		$	3,744
PAID IN CAPITAL
Balance, beginning of period	$	9,121,122		$	9,128,599		$	9,142,969		$	9,083,346
Common Share Issuance:
Conversion of OP Units into Common Shares		1,484			66,649			1,310			66,649
Exercise of share options		18,924			39,615			4,583			16,738
Employee Share Purchase Plan (ESPP)		2,378			2,666			1,409			935
Share-based employee compensation expense:
Restricted shares		7,359			4,813			3,750			2,540
Share options		1,390			1,976			514			988
ESPP discount		420			633			249			189
Offering costs		(487	)		—			(373	)		—
Supplemental Executive Retirement Plan (SERP)		(269	)		(2,057	)		(106	)		(828	)
Acquisition of Noncontrolling Interests – Partially Owned Properties		(27,355	)		—			(27,355	)		—
Change in market value of Redeemable Noncontrolling Interests –    Operating Partnership		98,140			(101,966	)		97,201			(29,010	)
Adjustment for Noncontrolling Interests ownership in Operating    Partnership		6,632			(30,807	)		5,587			(31,426	)
Balance, end of period	$	9,229,738		$	9,110,121		$	9,229,738		$	9,110,121
RETAINED EARNINGS
Balance, beginning of period	$	1,827,063		$	1,399,715		$	1,661,705		$	1,231,808
Net income attributable to controlling interests		294,866			373,925			224,101			316,386
Common Share distributions		(470,424	)		(450,220	)		(235,073	)		(225,547	)
Preferred Share distributions		(1,545	)		(1,545	)		(773	)		(772	)
Balance, end of period	$	1,649,960		$	1,321,875		$	1,649,960		$	1,321,875
ACCUMULATED OTHER COMPREHENSIVE INCOME (LOSS)
Balance, beginning of period	$	(34,272	)	$	(43,666	)	$	(31,847	)	$	(41,363	)
Accumulated other comprehensive income (loss) – derivative    instruments:
Unrealized holding gains (losses) arising during the period		(1,259	)		—			(1,259	)		—
Losses reclassified into earnings from other comprehensive    income		4,881			4,637			2,456			2,334
Balance, end of period	$	(30,650	)	$	(39,029	)	$	(30,650	)	$	(39,029	)
DISTRIBUTIONS
Distributions declared per Common Share outstanding	$	1.25		$	1.205		$	0.625		$	0.6025

See accompanying notes

8

EQUITY RESIDENTIAL

CONSOLIDATED STATEMENTS OF CHANGES IN EQUITY (Continued)

(Amounts in thousands except per share data)

(Unaudited)

	Six Months Ended June 30,						Quarter Ended June 30,
	2022			2021			2022			2021
NONCONTROLLING INTERESTS
OPERATING PARTNERSHIP
Balance, beginning of period	$	214,094		$	233,162		$	217,451		$	234,969
Issuance of restricted units to Noncontrolling Interests		1			—			—			—
Conversion of OP Units held by Noncontrolling Interests into OP    Units held by General Partner		(1,484	)		(66,660	)		(1,310	)		(66,660	)
Equity compensation associated with Noncontrolling Interests		13,159			10,531			5,361			4,043
Net income attributable to Noncontrolling Interests		10,027			13,056			7,633			10,913
Distributions to Noncontrolling Interests		(15,488	)		(15,999	)		(7,593	)		(7,410	)
Change in carrying value of Redeemable Noncontrolling Interests –    Operating Partnership		2,649			794			371			(1,590	)
Adjustment for Noncontrolling Interests ownership in Operating    Partnership		(6,632	)		30,807			(5,587	)		31,426
Balance, end of period	$	216,326		$	205,691		$	216,326		$	205,691
PARTIALLY OWNED PROPERTIES
Balance, beginning of period	$	18,166		$	4,673		$	3,415		$	2,472
Net income attributable to Noncontrolling Interests		1,583			1,423			944			741
Contributions by Noncontrolling Interests		603			—			157			—
Distributions to Noncontrolling Interests		(17,263	)		(3,731	)		(1,427	)		(848	)
Acquisition of Noncontrolling Interests – Partially Owned Properties		(4,823	)		—			(4,823	)		—
Balance, end of period	$	(1,734	)	$	2,365		$	(1,734	)	$	2,365

See accompanying notes

9

ERP OPERATING LIMITED PARTNERSHIP

CONSOLIDATED BALANCE SHEETS

(Amounts in thousands)

(Unaudited)

	June 30,			December 31,
	2022			2021
ASSETS
Land	$	5,733,412		$	5,814,790
Depreciable property		22,443,313			22,370,811
Projects under development		65,161			24,307
Land held for development		59,573			62,998
Investment in real estate		28,301,459			28,272,906
Accumulated depreciation		(8,740,806	)		(8,354,282	)
Investment in real estate, net		19,560,653			19,918,624
Investments in unconsolidated entities		169,272			127,448
Cash and cash equivalents		45,010			123,832
Restricted deposits		73,641			236,404
Right-of-use assets		468,834			474,713
Other assets		256,935			288,220
Total assets	$	20,574,345		$	21,169,241
LIABILITIES AND CAPITAL
Liabilities:
Mortgage notes payable, net	$	1,944,404		$	2,191,201
Notes, net		5,838,693			5,835,222
Line of credit and commercial paper		184,946			315,030
Accounts payable and accrued expenses		119,402			107,013
Accrued interest payable		69,037			69,510
Lease liabilities		310,513			312,335
Other liabilities		292,205			353,102
Security deposits		69,609			66,141
Distributions payable		242,667			233,502
Total liabilities		9,071,476			9,483,056
Commitments and contingencies
Redeemable Limited Partners		398,188			498,977
Capital:
Partners’ Capital:
Preference Units		37,280			37,280
General Partner		10,883,459			10,951,940
Limited Partners		216,326			214,094
Accumulated other comprehensive income (loss)		(30,650	)		(34,272	)
Total partners’ capital		11,106,415			11,169,042
Noncontrolling Interests – Partially Owned Properties		(1,734	)		18,166
Total capital		11,104,681			11,187,208
Total liabilities and capital	$	20,574,345		$	21,169,241

See accompanying notes

10

ERP OPERATING LIMITED PARTNERSHIP

CONSOLIDATED STATEMENTS OF OPERATIONS AND COMPREHENSIVE INCOME

(Amounts in thousands except per Unit data)

(Unaudited)

	Six Months Ended June 30,						Quarter Ended June 30,
	2022			2021			2022			2021
REVENUES
Rental income	$	1,340,378		$	1,195,661		$	687,030		$	598,059
EXPENSES
Property and maintenance		241,229			224,800			116,355			107,746
Real estate taxes and insurance		202,538			200,871			101,850			97,401
Property management		57,306			50,585			26,559			24,455
General and administrative		33,661			30,061			16,423			14,678
Depreciation		453,767			400,635			223,806			200,673
Total expenses		988,501			906,952			484,993			444,953
Net gain (loss) on sales of real estate properties		107,795			223,695			107,897			223,738
Operating income		459,672			512,404			309,934			376,844
Interest and other income		4,124			24,320			596			24,104
Other expenses		(5,436	)		(7,452	)		(2,380	)		(3,342	)
Interest:
Expense incurred, net		(144,681	)		(134,482	)		(71,889	)		(67,124	)
Amortization of deferred financing costs		(4,201	)		(4,124	)		(2,124	)		(1,939	)
Income before income and other taxes, income (loss) from investments in    unconsolidated entities and net gain (loss) on sales of land parcels		309,478			390,666			234,137			328,543
Income and other tax (expense) benefit		(573	)		(395	)		(291	)		(242	)
Income (loss) from investments in unconsolidated entities		(2,429	)		(1,872	)		(1,168	)		(261	)
Net gain (loss) on sales of land parcels		—			5			—			—
Net income		306,476			388,404			232,678			328,040
Net (income) loss attributable to Noncontrolling Interests – Partially Owned    Properties		(1,583	)		(1,423	)		(944	)		(741	)
Net income attributable to controlling interests	$	304,893		$	386,981		$	231,734		$	327,299
ALLOCATION OF NET INCOME:
Preference Units	$	1,545		$	1,545		$	773		$	772
General Partner	$	293,321		$	372,380		$	223,328		$	315,614
Limited Partners		10,027			13,056			7,633			10,913
Net income available to Units	$	303,348		$	385,436		$	230,961		$	326,527
Earnings per Unit – basic:
Net income available to Units	$	0.78		$	1.00		$	0.59		$	0.84
Weighted average Units outstanding		387,531			385,594			387,664			385,856
Earnings per Unit – diluted:
Net income available to Units	$	0.78		$	1.00		$	0.59		$	0.84
Weighted average Units outstanding		389,463			387,367			389,363			387,820

See accompanying notes

11

ERP OPERATING LIMITED PARTNERSHIP

CONSOLIDATED STATEMENTS OF OPERATIONS AND COMPREHENSIVE INCOME (Continued)

(Amounts in thousands except per Unit data)

(Unaudited)

	Six Months Ended June 30,						Quarter Ended June 30,
	2022			2021			2022			2021
Comprehensive income:
Net income	$	306,476		$	388,404		$	232,678		$	328,040
Other comprehensive income (loss):
Other comprehensive income (loss) – derivative instruments:
Unrealized holding gains (losses) arising during the period		(1,259	)		—			(1,259	)		—
Losses reclassified into earnings from other comprehensive    income		4,881			4,637			2,456			2,334
Other comprehensive income (loss)		3,622			4,637			1,197			2,334
Comprehensive income		310,098			393,041			233,875			330,374
Comprehensive (income) attributable to Noncontrolling Interests –    Partially Owned Properties		(1,583	)		(1,423	)		(944	)		(741	)
Comprehensive income attributable to controlling interests	$	308,515		$	391,618		$	232,931		$	329,633

See accompanying notes

12

ERP OPERATING LIMITED PARTNERSHIP

CONSOLIDATED STATEMENTS OF CASH FLOWS

(Amounts in thousands)

(Unaudited)

	Six Months Ended June 30,
	2022			2021
CASH FLOWS FROM OPERATING ACTIVITIES:
Net income	$	306,476		$	388,404
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation		453,767			400,635
Amortization of deferred financing costs		4,201			4,124
Amortization of above/below market lease intangibles		—			(154	)
Amortization of discounts and premiums on debt		2,891			2,593
Amortization of deferred settlements on derivative instruments		4,875			4,631
Amortization of right-of-use assets		6,103			7,308
Write-off of pursuit costs		2,515			2,647
(Income) loss from investments in unconsolidated entities		2,429			1,872
Distributions from unconsolidated entities – return on capital		164			—
Net (gain) loss on sales of real estate properties		(107,795	)		(223,695	)
Net (gain) loss on sales of land parcels		—			(5	)
Realized (gain) loss on sale of investment securities		(2,064	)		(23,432	)
Compensation paid with Company Common Shares		18,600			16,077
Changes in assets and liabilities:
(Increase) decrease in other assets		(2,096	)		(4,462	)
Increase (decrease) in accounts payable and accrued expenses		22,615			6,514
Increase (decrease) in accrued interest payable		(473	)		(82	)
Increase (decrease) in lease liabilities		(817	)		(3,211	)
Increase (decrease) in other liabilities		(23,985	)		(5,387	)
Increase (decrease) in security deposits		3,468			1,748
Net cash provided by operating activities		690,874			576,125
CASH FLOWS FROM INVESTING ACTIVITIES:
Investment in real estate – acquisitions		(113,046	)		(281,426	)
Investment in real estate – development/other		(55,491	)		(125,156	)
Capital expenditures to real estate		(83,304	)		(66,443	)
Non-real estate capital additions		(981	)		(1,042	)
Interest capitalized for real estate and unconsolidated entities under development		(2,267	)		(8,176	)
Proceeds from disposition of real estate, net		255,922			406,922
Investments in unconsolidated entities – development/other		(48,577	)		(4,491	)
Distributions from unconsolidated entities – return of capital		9			4
Purchase of investment securities and other investments		(1,034	)		(166,945	)
Proceeds from sale of investment securities		3,434			191,398
Net cash provided by (used for) investing activities		(45,335	)		(55,355	)

See accompanying notes

13

ERP OPERATING LIMITED PARTNERSHIP

CONSOLIDATED STATEMENTS OF CASH FLOWS (Continued)

(Amounts in thousands)

(Unaudited)

	Six Months Ended June 30,
	2022			2021
CASH FLOWS FROM FINANCING ACTIVITIES:
Debt financing costs	$	(228	)	$	(362	)
Mortgage notes payable, net:
Proceeds		14,586			47,759
Lump sum payoffs		(260,874	)		(59,880	)
Scheduled principal repayments		(2,985	)		(3,713	)
Line of credit and commercial paper:
Commercial paper proceeds		2,836,037			2,819,940
Commercial paper repayments		(2,966,121	)		(2,603,000	)
Finance ground lease principal payments		(1,229	)		(232	)
Proceeds from EQR’s Employee Share Purchase Plan (ESPP)		2,378			2,667
Proceeds from exercise of EQR options		18,928			39,623
Payment of offering costs		(487	)		—
Other financing activities, net		(31	)		(31	)
Acquisition of Noncontrolling Interests – Partially Owned Properties		(32,178	)		—
Contributions – Noncontrolling Interests – Partially Owned Properties		603			—
Contributions – Limited Partners		1			—
Distributions:
OP Units – General Partner		(461,605	)		(448,983	)
Preference Units		(1,545	)		(1,545	)
OP Units – Limited Partners		(15,142	)		(16,540	)
Noncontrolling Interests – Partially Owned Properties		(17,232	)		(3,700	)
Net cash provided by (used for) financing activities		(887,124	)		(227,997	)
Net increase (decrease) in cash and cash equivalents and restricted deposits		(241,585	)		292,773
Cash and cash equivalents and restricted deposits, beginning of period		360,236			99,728
Cash and cash equivalents and restricted deposits, end of period	$	118,651		$	392,501
Cash and cash equivalents and restricted deposits, end of period
Cash and cash equivalents	$	45,010		$	39,492
Restricted deposits		73,641			353,009
Total cash and cash equivalents and restricted deposits, end of period	$	118,651		$	392,501

See accompanying notes

14

ERP OPERATING LIMITED PARTNERSHIP

CONSOLIDATED STATEMENTS OF CASH FLOWS (Continued)

(Amounts in thousands)

(Unaudited)

	Six Months Ended June 30,
	2022			2021
SUPPLEMENTAL INFORMATION:
Cash paid for interest, net of amounts capitalized	$	136,787		$	126,742
Net cash paid (received) for income and other taxes	$	687		$	888
Amortization of deferred financing costs:
Investment in real estate, net	$	(253	)	$	(100	)
Other assets	$	1,170		$	1,169
Mortgage notes payable, net	$	1,159		$	1,139
Notes, net	$	2,125		$	1,916
Amortization of discounts and premiums on debt:
Mortgage notes payable, net	$	1,545		$	1,374
Notes, net	$	1,346		$	1,219
Amortization of deferred settlements on derivative instruments:
Other liabilities	$	(6	)	$	(6	)
Accumulated other comprehensive income	$	4,881		$	4,637
Write-off of pursuit costs:
Investment in real estate, net	$	761		$	2,314
Investments in unconsolidated entities	$	1,637		$	—
Other assets	$	117		$	317
Accounts payable and accrued expenses	$	—		$	16
(Income) loss from investments in unconsolidated entities:
Investments in unconsolidated entities	$	1,797		$	1,216
Other liabilities	$	632		$	656
Realized/unrealized (gain) loss on derivative instruments:
Other liabilities	$	1,259		$	—
Accumulated other comprehensive income	$	(1,259	)	$	—
Interest capitalized for real estate and unconsolidated entities under development:
Investment in real estate, net	$	(675	)	$	(8,176	)
Investments in unconsolidated entities	$	(1,592	)	$	—
Investments in unconsolidated entities – other:
Investments in unconsolidated entities	$	(47,887	)	$	(3,231	)
Other liabilities	$	(690	)	$	(1,260	)
Debt financing costs:
Other assets	$	—		$	(44	)
Mortgage notes payable, net	$	(228	)	$	(318	)
Right-of-use assets and lease liabilities initial measurement and reclassifications:
Right-of-use assets	$	(224	)	$	11,308
Lease liabilities	$	224		$	(11,308	)
Non-cash share distribution and other transfers from unconsolidated entities:
Investments in unconsolidated entities	$	4,048		$	1,429
Other assets	$	(4,048	)	$	(1,429	)

See accompanying notes

15

ERP OPERATING LIMITED PARTNERSHIP

CONSOLIDATED STATEMENTS OF CHANGES IN CAPITAL

(Amounts in thousands except per Unit data)

(Unaudited)

	Six Months Ended June 30,						Quarter Ended June 30,
	2022			2021			2022			2021
PARTNERS’ CAPITAL
PREFERENCE UNITS
Balance, beginning of period	$	37,280		$	37,280		$	37,280		$	37,280
Balance, end of period	$	37,280		$	37,280		$	37,280		$	37,280
GENERAL PARTNER
Balance, beginning of period	$	10,951,940		$	10,532,037		$	10,808,434		$	10,318,883
OP Unit Issuance:
Conversion of OP Units held by Limited Partners into OP Units    held by General Partner		1,484			66,660			1,310			66,660
Exercise of EQR share options		18,928			39,623			4,584			16,741
EQR’s Employee Share Purchase Plan (ESPP)		2,378			2,667			1,409			936
Share-based employee compensation expense:
EQR restricted shares		7,361			4,814			3,750			2,540
EQR share options		1,390			1,976			514			988
EQR ESPP discount		420			633			249			189
Net income available to Units – General Partner		293,321			372,380			223,328			315,614
OP Units – General Partner distributions		(470,424	)		(450,220	)		(235,073	)		(225,547	)
Offering costs		(487	)		—			(373	)		—
Supplemental Executive Retirement Plan (SERP)		(269	)		(2,057	)		(106	)		(828	)
Acquisition of Noncontrolling Interests – Partially Owned Properties		(27,355	)		—			(27,355	)		—
Change in market value of Redeemable Limited Partners		98,140			(101,966	)		97,201			(29,010	)
Adjustment for Limited Partners ownership in Operating Partnership		6,632			(30,807	)		5,587			(31,426	)
Balance, end of period	$	10,883,459		$	10,435,740		$	10,883,459		$	10,435,740
LIMITED PARTNERS
Balance, beginning of period	$	214,094		$	233,162		$	217,451		$	234,969
Issuance of restricted units to Limited Partners		1			—			—			—
Conversion of OP Units held by Limited Partners into OP Units held    by General Partner		(1,484	)		(66,660	)		(1,310	)		(66,660	)
Equity compensation associated with Units – Limited Partners		13,159			10,531			5,361			4,043
Net income available to Units – Limited Partners		10,027			13,056			7,633			10,913
Units – Limited Partners distributions		(15,488	)		(15,999	)		(7,593	)		(7,410	)
Change in carrying value of Redeemable Limited Partners		2,649			794			371			(1,590	)
Adjustment for Limited Partners ownership in Operating Partnership		(6,632	)		30,807			(5,587	)		31,426
Balance, end of period	$	216,326		$	205,691		$	216,326		$	205,691
ACCUMULATED OTHER COMPREHENSIVE INCOME (LOSS)
Balance, beginning of period	$	(34,272	)	$	(43,666	)	$	(31,847	)	$	(41,363	)
Accumulated other comprehensive income (loss) – derivative    instruments:
Unrealized holding gains (losses) arising during the period		(1,259	)		—			(1,259	)		—
Losses reclassified into earnings from other comprehensive    income		4,881			4,637			2,456			2,334
Balance, end of period	$	(30,650	)	$	(39,029	)	$	(30,650	)	$	(39,029	)
DISTRIBUTIONS
Distributions declared per Unit outstanding	$	1.25		$	1.205		$	0.625		$	0.6025

See accompanying notes

16

ERP OPERATING LIMITED PARTNERSHIP

CONSOLIDATED STATEMENTS OF CHANGES IN CAPITAL (Continued)

(Amounts in thousands except per Unit data)

(Unaudited)

	Six Months Ended June 30,						Quarter Ended June 30,
	2022			2021			2022			2021
NONCONTROLLING INTERESTS
NONCONTROLLING INTERESTS – PARTIALLY OWNED    PROPERTIES
Balance, beginning of period	$	18,166		$	4,673		$	3,415		$	2,472
Net income attributable to Noncontrolling Interests		1,583			1,423			944			741
Contributions by Noncontrolling Interests		603			—			157			—
Distributions to Noncontrolling Interests		(17,263	)		(3,731	)		(1,427	)		(848	)
Acquisition of Noncontrolling Interests – Partially Owned Properties		(4,823	)		—			(4,823	)		—
Balance, end of period	$	(1,734	)	$	2,365		$	(1,734	)	$	2,365

See accompanying notes

17

EQUITY RESIDENTIAL

ERP OPERATING LIMITED PARTNERSHIP

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

(Unaudited)

1. Business

Equity Residential (“EQR”) is an S&P 500 company focused on the acquisition, development and management of residential properties located in and around dynamic cities that attract affluent long-term renters, a business that is conducted on its behalf by ERP Operating Limited Partnership (“ERPOP”).  EQR is a Maryland real estate investment trust (“REIT”) formed in March 1993 and ERPOP is an Illinois limited partnership formed in May 1993.  References to the “Company,” “we,” “us” or “our” mean collectively EQR, ERPOP and those entities/subsidiaries owned or controlled by EQR and/or ERPOP.  References to the “Operating Partnership” mean collectively ERPOP and those entities/subsidiaries owned or controlled by ERPOP.  Unless otherwise indicated, the notes to consolidated financial statements apply to both the Company and the Operating Partnership.

EQR is the general partner of, and as of June 30, 2022 owned an approximate 96.7% ownership interest in, ERPOP.  All of the Company’s property ownership, development and related business operations are conducted through the Operating Partnership and EQR has no material assets or liabilities other than its investment in ERPOP.  EQR issues equity from time to time, the net proceeds of which it is obligated to contribute to ERPOP, but does not have any indebtedness as all debt is incurred by the Operating Partnership.  The Operating Partnership holds substantially all of the assets of the Company, including the Company’s ownership interests in its joint ventures.  The Operating Partnership conducts the operations of the business and is structured as a partnership with no publicly traded equity.

As of June 30, 2022, the Company, directly or indirectly through investments in title holding entities, owned all or a portion of 310 properties located in 10 states and the District of Columbia consisting of 80,227 apartment units.  The ownership breakdown includes (table does not include various uncompleted development properties):

	Properties		Apartment Units
Wholly Owned Properties		295		77,113
Partially Owned Properties – Consolidated		15		3,114
		310		80,227

2. Summary of Significant Accounting Policies

Basis of Presentation

The accompanying unaudited condensed consolidated financial statements have been prepared in accordance with accounting principles generally accepted in the United States for interim financial information and with the instructions to Form 10-Q and Article 10 of Regulation S-X.  Accordingly, they do not include all of the information and footnotes required by accounting principles generally accepted in the United States (“GAAP”) for complete financial statements.  In the opinion of management, all adjustments (consisting of normal recurring accruals) and certain reclassifications considered necessary for a fair presentation have been included.  Operating results for the six months ended June 30, 2022 are not necessarily indicative of the results that may be expected for the year ending December 31, 2022.

In preparation of the Company’s financial statements in conformity with accounting principles generally accepted in the United States, management makes estimates and assumptions that affect the reported amounts of assets and liabilities and disclosure of contingent assets and liabilities at the date of the financial statements as well as the reported amounts of revenues and expenses during the reporting period.  Actual results could differ from these estimates.

The balance sheets at December 31, 2021 have been derived from the audited financial statements at that date but do not include all of the information and footnotes required by accounting principles generally accepted in the United States for complete financial statements.

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For further information, including definitions of capitalized terms not defined herein, refer to the consolidated financial statements and footnotes thereto included in the Company’s and the Operating Partnership’s Annual Report on Form 10-K for the year ended December 31, 2021.

Income and Other Taxes

EQR has elected to be taxed as a REIT.  This, along with the nature of the operations of its operating properties, resulted in no provision for federal income taxes at the EQR level.  In addition, ERPOP generally is not liable for federal income taxes as the partners recognize their allocable share of income or loss in their tax returns; therefore no provision for federal income taxes has been made at the ERPOP level.  Historically, the Company has generally only incurred certain state and local income, excise and franchise taxes.  The Company has elected taxable REIT subsidiary (“TRS”) status for certain of its corporate subsidiaries and, as a result, these entities will incur both federal and state income taxes on any taxable income of such entities after consideration of any net operating losses.

Recent Accounting Pronouncements

In August 2020, the Financial Accounting Standards Board (“FASB”) issued an amendment to the debt and equity financial instruments standards which simplifies the accounting for convertible instruments and accounting for contracts in an entity’s own equity.  The Company adopted the standard when effective on January 1, 2022 and it had no impact on its consolidated results of operations and financial position.

In March 2020, the FASB issued an amendment to the reference rate reform standard which provides the option for a limited period of time to ease the potential burden in accounting for, or recognizing the effects of, reference rate reform on contract modifications and hedge accounting.  An example of such reform is the expected market transition from the London Interbank Offered Rate (“LIBOR”) and other interbank offered rates to alternative reference rates.  Entities that make this optional expedient election would not have to remeasure the contracts at the modification date or reassess the accounting treatment if certain criteria are met and would continue applying hedge accounting for relationships affected by reference rate reform.  The new standard was effective for the Company upon issuance and elections can be made through December 31, 2022.  The Company elected to apply the hedge accounting expedients related to probability and the assessments of effectiveness for future LIBOR-indexed cash flows to assume that the index upon which future hedged transactions will be based matches the index on the corresponding derivatives. Application of these expedients preserves the presentation of derivatives consistent with past presentation. The Company continues to evaluate the impact of the guidance and may apply other elections as applicable as additional changes in the market occur.

3. Equity, Capital and Other Interests

The Company refers to “Common Shares” and “Units” (which refer to both OP Units and restricted units) as equity securities for EQR and “General Partner Units” and “Limited Partner Units” as equity securities for ERPOP.  To provide a streamlined and more readable presentation of the disclosures for the Company and the Operating Partnership, several sections below refer to the respective terminology for each with the same financial information and separate sections are provided, where needed, to further distinguish any differences in financial information and terminology.

The following table presents the changes in the Company’s issued and outstanding Common Shares and Units for the six months ended June 30, 2022 and 2021:

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	2022			2021
Common Shares
Common Shares outstanding at January 1,		375,527,195			372,302,000
Common Shares Issued:
Conversion of OP Units		31,089			1,084,023
Exercise of share options		348,510			833,669
Employee Share Purchase Plan (ESPP)		35,669			47,761
Restricted share grants, net		175,970			87,377
Common Shares outstanding at June 30,		376,118,433			374,354,830
Units
Units outstanding at January 1,		12,659,027			13,858,073
Restricted unit grants, net		223,242			155,638
Conversion of OP Units to Common Shares		(31,089	)		(1,084,023	)
Units outstanding at June 30,		12,851,180			12,929,688
Total Common Shares and Units outstanding at June 30,		388,969,613			387,284,518
Units Ownership Interest in Operating Partnership		3.3	%		3.3	%

The following table presents the changes in the Operating Partnership’s issued and outstanding General Partner Units and Limited Partner Units for the six months ended June 30, 2022 and 2021:

	2022			2021
General and Limited Partner Units
General and Limited Partner Units outstanding at January 1,		388,186,222			386,160,073
Issued to General Partner:
Exercise of EQR share options		348,510			833,669
EQR’s Employee Share Purchase Plan (ESPP)		35,669			47,761
EQR’s restricted share grants, net		175,970			87,377
Issued to Limited Partners:
Restricted unit grants, net		223,242			155,638
General and Limited Partner Units outstanding at June 30,		388,969,613			387,284,518
Limited Partner Units
Limited Partner Units outstanding at January 1,		12,659,027			13,858,073
Limited Partner restricted unit grants, net		223,242			155,638
Conversion of Limited Partner OP Units to EQR Common Shares		(31,089	)		(1,084,023	)
Limited Partner Units outstanding at June 30,		12,851,180			12,929,688
Limited Partner Units Ownership Interest in Operating Partnership		3.3	%		3.3	%

The equity positions of various individuals and entities that contributed their properties to the Operating Partnership in exchange for OP Units, as well as the equity positions of the holders of restricted units, are collectively referred to as the “Noncontrolling Interests – Operating Partnership” and “Limited Partners Capital,” respectively, for the Company and the Operating Partnership.  Subject to certain exceptions (including the “book-up” requirements of restricted units), the Noncontrolling Interests – Operating Partnership/Limited Partners Capital may exchange their Units with EQR for Common Shares on a one-for-one basis.  The carrying value of the Noncontrolling Interests – Operating Partnership/Limited Partners Capital (including redeemable interests) is allocated based on the number of Noncontrolling Interests – Operating Partnership/Limited Partners Capital in total in proportion to the number of Noncontrolling Interests – Operating Partnership/Limited Partners Capital in total plus the total number of Common Shares/General Partner Units.  Net income is allocated to the Noncontrolling Interests – Operating Partnership/Limited Partners Capital based on the weighted average ownership percentage during the period.

The Operating Partnership has the right but not the obligation to make a cash payment instead of issuing Common Shares to any and all holders of Noncontrolling Interests – Operating Partnership/Limited Partners Capital requesting an exchange of their Noncontrolling Interests – Operating Partnership/Limited Partners Capital with EQR.  Once the Operating Partnership elects not to redeem the Noncontrolling Interests – Operating Partnership/Limited Partners Capital for cash, EQR is obligated to deliver Common Shares to the exchanging holder of the Noncontrolling Interests – Operating Partnership/Limited Partners Capital.

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The Noncontrolling Interests – Operating Partnership/Limited Partners Capital are classified as either mezzanine equity or permanent equity.  If EQR is required, either by contract or securities law, to deliver registered Common Shares, such Noncontrolling Interests – Operating Partnership/Limited Partners Capital are differentiated and referred to as “Redeemable Noncontrolling Interests – Operating Partnership” and “Redeemable Limited Partners,” respectively.  Instruments that require settlement in registered shares cannot be classified in permanent equity as it is not always completely within an issuer’s control to deliver registered shares.  Therefore, settlement in cash is assumed and that responsibility for settlement in cash is deemed to fall to the Operating Partnership as the primary source of cash for EQR, resulting in presentation in the mezzanine section of the balance sheet.  The Redeemable Noncontrolling Interests – Operating Partnership/Redeemable Limited Partners are adjusted to the greater of carrying value or fair market value based on the Common Share price of EQR at the end of each respective reporting period.  EQR has the ability to deliver unregistered Common Shares for the remaining portion of the Noncontrolling Interests – Operating Partnership/Limited Partners Capital that are classified in permanent equity at June 30, 2022 and December 31, 2021.

The carrying value of the Redeemable Noncontrolling Interests – Operating Partnership/Redeemable Limited Partners is allocated based on the number of Redeemable Noncontrolling Interests – Operating Partnership/Redeemable Limited Partners in proportion to the number of Noncontrolling Interests – Operating Partnership/Limited Partners Capital in total.  Such percentage of the total carrying value of Units/Limited Partner Units which is ascribed to the Redeemable Noncontrolling Interests – Operating Partnership/Redeemable Limited Partners is then adjusted to the greater of carrying value or fair market value as described above.  As of June 30, 2022 and 2021, the Redeemable Noncontrolling Interests – Operating Partnership/Redeemable Limited Partners have a redemption value of approximately $398.2 million and $440.1 million, respectively, which represents the value of Common Shares that would be issued in exchange for the Redeemable Noncontrolling Interests – Operating Partnership/Redeemable Limited Partners.

The following table presents the changes in the redemption value of the Redeemable Noncontrolling Interests – Operating Partnership/Redeemable Limited Partners for the six months ended June 30, 2022 and 2021, respectively (amounts in thousands):

	2022			2021
Balance at January 1,	$	498,977		$	338,951
Change in market value		(98,140	)		101,966
Change in carrying value		(2,649	)		(794	)
Balance at June 30,	$	398,188		$	440,123

Net proceeds from EQR Common Share and Preferred Share (see definition below) offerings and proceeds from exercise of options for Common Shares are contributed by EQR to ERPOP.  In return for those contributions, EQR receives a number of OP Units in ERPOP equal to the number of Common Shares it has issued in the equity offering (or in the case of a preferred equity offering, a number of preference units in ERPOP equal in number and having the same terms as the Preferred Shares issued in the equity offering).  As a result, the net proceeds from Common Shares and Preferred Shares are allocated for the Company between shareholders’ equity and Noncontrolling Interests – Operating Partnership and for the Operating Partnership between General Partner’s Capital and Limited Partners Capital to account for the change in their respective percentage ownership of the underlying equity.

The Company’s declaration of trust authorizes it to issue up to 100,000,000 preferred shares of beneficial interest, $0.01 par value per share (the “Preferred Shares”), with specific rights, preferences and other attributes as the Board of Trustees may determine, which may include preferences, powers and rights that are senior to the rights of holders of the Company’s Common Shares.

The following table presents the Company’s issued and outstanding Preferred Shares/Preference Units as of June 30, 2022 and December 31, 2021:

				Amounts in thousands
		Annual
	Call	Dividend Per		June 30,		December 31,
	Date (1)	Share/Unit (2)		2022		2021
Preferred Shares/Preference Units of beneficial interest, $0.01 par value;    100,000,000 shares authorized:
8.29% Series K Cumulative Redeemable Preferred Shares/Preference    Units; liquidation value $50 per share/unit; 745,600 shares/units issued    and outstanding as of June 30, 2022 and December 31, 2021	12/10/26	$	4.145	$	37,280	$	37,280
				$	37,280	$	37,280

(1) On or after the call date, redeemable Preferred Shares/Preference Units may be redeemed for cash at the option of the Company or the Operating Partnership, respectively, in whole or in part, at a redemption price equal to the liquidation price per share/unit, plus accrued and

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unpaid distributions, if any.

(2) Dividends on Preferred Shares/Preference Units are payable quarterly.

Other

EQR and ERPOP currently have an active universal shelf registration statement for the issuance of equity and debt securities that automatically became effective upon filing with the SEC in May 2022 and expires in May 2025.  Per the terms of ERPOP’s partnership agreement, EQR contributes the net proceeds of all equity offerings to the capital of ERPOP in exchange for additional OP Units (on a one-for-one Common Share per OP Unit basis) or preference units (on a one-for-one preferred share per preference unit basis).

The Company has an At-The-Market (“ATM”) share offering program which allows EQR to issue Common Shares from time to time into the existing trading market at current market prices or through negotiated transactions, including under forward sale arrangements.  In May 2022, the Company replaced the prior program with a new program with the authority to issue up to 13.0 million shares as of June 30, 2022 and which extended the program maturity to May 2025. Forward sale agreements under the ATM program allow the Company, at its election, to settle the agreements by issuing Common Shares in exchange for net proceeds at the then-applicable forward sale price specified by the agreement or, alternatively, to settle the agreements in whole or in part through the delivery or receipt of Common Shares or cash.  Issuances of shares under these forward sale agreements are classified as equity transactions.  Accordingly, no amounts relating to the forward sale agreements are recorded in the consolidated financial statements until settlement occurs.  Prior to any settlements, the only impact to the consolidated financial statements is the inclusion of incremental shares, if any, within the calculation of diluted net income per share using the treasury stock method (see Note 11 for additional discussion).  The actual forward price per share to be received by the Company upon settlement will be determined on the applicable settlement date based on adjustments made to the initial forward price to reflect the then-current overnight federal funds rate and the amount of dividends paid to holders of the Company’s Common Shares over the term of the forward sale agreement.

As of June 30, 2022, the Company had entered into forward sale agreements under the prior program for a total of approximately 1.7 million Common Shares at a weighted average initial forward price per share of $83.25.  All of these forward sale agreements were entered into during the quarter ended September 30, 2021.  As of June 30, 2022, these forward sale agreements have not been settled and must be settled by March 2023.

The Company may repurchase up to 13.0 million Common Shares under its share repurchase program.  No open market repurchases have occurred since 2008, and no repurchases of any kind have occurred since February 2014.  As of June 30, 2022, EQR has remaining authorization to repurchase up to 13.0 million of its shares.  

4. Real Estate

The following table summarizes the carrying amounts for the Company’s investment in real estate (at cost) as of June 30, 2022 and December 31, 2021 (amounts in thousands):

	June 30, 2022			December 31, 2021
Land	$	5,733,412		$	5,814,790
Depreciable property:
Buildings and improvements		19,654,296			19,632,284
Furniture, fixtures and equipment		2,271,136			2,220,203
In-Place lease intangibles		517,881			518,324
Projects under development:
Land		3,200			—
Construction-in-progress		61,961			24,307
Land held for development:
Land		46,160			46,160
Construction-in-progress		13,413			16,838
Investment in real estate		28,301,459			28,272,906
Accumulated depreciation		(8,740,806	)		(8,354,282	)
Investment in real estate, net	$	19,560,653		$	19,918,624

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During the six months ended June 30, 2022, the Company acquired the following from unaffiliated parties (purchase price in thousands):

	Properties		Apartment Units		Purchase Price
Rental Properties – Consolidated (1)		1		172	$	113,000
Total		1		172	$	113,000

(1) Purchase price includes an allocation of approximately $25.3 million to land and $87.7 million to depreciable property (inclusive of capitalized closing costs).

During the six months ended June 30, 2022, the Company disposed of the following to unaffiliated parties (sales price in thousands):

	Properties		Apartment Units		Sales Price
Rental Properties – Consolidated		1		354	$	265,650
Total		1		354	$	265,650

The Company recognized a net gain on sales of real estate properties of approximately $107.8 million on the above sale.

5. Commitments to Acquire/Dispose of Real Estate

The Company has not entered into any agreements to acquire rental properties or land parcels as of the date of filing.

The Company has entered into an agreement to dispose of the following (sales price and net book value in thousands):

	Properties		Apartment Units		Sales Price		Net Book Value at June 30, 2022
Rental Properties - Consolidated		1		136	$	65,500	$	41,695
Total		1		136	$	65,500	$	41,695

The closing of pending transactions is subject to certain conditions and restrictions; therefore, there can be no assurance that the transactions will be consummated or that the final terms will not differ in material respects from any agreements summarized above.  See Note 14 for discussion of the properties acquired or disposed of, if any, subsequent to June 30, 2022.

6. Investments in Partially Owned Entities

The Company has invested in various entities with unrelated third parties which are either consolidated or accounted for under the equity method of accounting (unconsolidated).  

Consolidated Variable Interest Entities (“VIEs”)

In accordance with accounting standards for consolidation of VIEs, the Company consolidates ERPOP on EQR’s financial statements.  As the sole general partner of ERPOP, EQR has exclusive control of ERPOP’s day-to-day management.  The limited partners are not able to exercise substantive kick-out or participating rights.  As a result, ERPOP qualifies as a VIE.  EQR has a controlling financial interest in ERPOP and, thus, is ERPOP’s primary beneficiary.  EQR has the power to direct the activities of ERPOP that most significantly impact ERPOP’s economic performance as well as the obligation to absorb losses or the right to receive benefits from ERPOP that could potentially be significant to ERPOP.  

The Company has various equity interests in certain joint ventures that have been deemed to be VIEs, and the Company is the VIEs’ primary beneficiary.  As a result, the joint ventures are required to be consolidated on the Company’s financial statements.  The following table summarizes the Company’s consolidated joint ventures as of June 30, 2022:

	Operating Properties (1)				Project Under Development (2)
	Properties		Apartment Units		Project		Apartment Units
Consolidated Joint Ventures (VIE)		15		3,114		1		312

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(1) During the second quarter of 2022, the Company acquired its joint venture partner’s 25% interest in a 432-unit apartment property for $32.2 million, and the property is now wholly owned.  In connection with the buyout, the carrying amount of the Noncontrolling Interests – Partially Owned Properties totaling $4.8 million was reduced to zero and the remaining $27.4 million was recorded to paid in capital/general partner capital.

(2) The land under this project is subject to a long-term ground lease.

The following table provides consolidated assets and liabilities related to the VIEs discussed above as of June 30, 2022 and December 31, 2021 (amounts in thousands):

	June 30, 2022		December 31, 2021
Consolidated Assets	$	660,062	$	912,955
Consolidated Liabilities	$	127,702	$	251,424

Certain consolidated joint ventures in which we have investments obtained mortgage debt to finance a portion of their activities.  The following table and information summarizes the variable rate construction mortgage debt that is non-recourse to the Company at June 30, 2022 (aggregate and amounts borrowed under loan commitments in thousands):

	Recently Completed Operating Property (1)		Project Under Development
Number of joint ventures with debt financing		1		1
Aggregate loan commitments	$	67,589	$	73,344
Amounts borrowed under loan commitments (2)	$	64,856	$	11,512
Maturity dates	2023		2025

(1) The maturity date of the construction loan was extended on June 24, 2022 to June 25, 2023.

(2) See Note 9 for the current period proceeds of secured conventional floating rate debt under Mortgage Notes Payable.

Investments in Unconsolidated Entities

The Company has various equity interests in certain joint ventures that are unconsolidated and accounted for using the equity method of accounting.  Most of these have been deemed to be VIEs and the Company is not the VIEs' primary beneficiary.  The remaining have been deemed not to be VIEs and the Company does not have a controlling voting interest.

The following table and information summarizes the Company’s investments in unconsolidated entities as of June 30, 2022 and December 31, 2021 (amounts in thousands except for ownership percentage):

	June 30, 2022			December 31, 2021			Ownership Percentage
Investments in Unconsolidated Entities:
Various Real Estate Holdings (VIE) (1)	$	36,396		$	36,024		Varies
Development Projects (VIE) (2)		110,657			72,488		62% - 90% (4)
Real Estate Technology (VIE) (3)		22,456			19,347		Varies
Other		(237	)		(411	)	Varies
Investments in Unconsolidated Entities	$	169,272		$	127,448

(1) Represents unconsolidated interests in entities with various real estate holdings.

(2) Represents unconsolidated interests in projects under development and land held for development.  See further discussion below.  

(3) Represents unconsolidated investments in real estate technology funds/companies.

(4) In certain instances, the joint venture agreements contain provisions for promoted interests in favor of our joint venture partner.  If the terms of the promoted interest are attained, then our share of the proceeds from a sale or other capital event of the unconsolidated entity may be less than the indicated ownership percentage.

The following table summarizes the Company’s unconsolidated joint ventures that were deemed to be VIEs as of June 30, 2022:

	Real Estate Holdings (1)		Projects Under Development (2)				Land Held for Development (2), (3)
	Entities		Projects		Apartment Units (4)		Projects		Apartment Units (4)
Unconsolidated Joint Ventures (VIE)		2		4		1,291		2		640

(1) Represents entities that hold various real estate investments.

(2) Represents separate unconsolidated joint ventures for the purpose of developing multifamily rental properties.  

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(3) Represents separate unconsolidated joint ventures that have not yet started but are expected to start construction in 2022.  One parcel is subject to a long-term ground lease.

(4) Represents the intended number of apartment units to be developed.

7. Restricted Deposits

The following table presents the Company’s restricted deposits as of June 30, 2022 and December 31, 2021 (amounts in thousands):

	June 30, 2022		December 31, 2021
Mortgage escrow deposits:
Replacement reserves	$	11,855	$	11,156
Mortgage principal reserves/sinking funds		21,752		19,104
Mortgage escrow deposits		33,607		30,260
Restricted cash:
Tax-deferred (1031) exchange proceeds		—		166,362
Earnest money on pending acquisitions		—		2,000
Restricted deposits on real estate investments		242		284
Resident security and utility deposits		37,504		35,663
Other		2,288		1,835
Restricted cash		40,034		206,144
Restricted deposits	$	73,641	$	236,404

8. Leases

Lessor Accounting

The Company is the lessor for its residential and non-residential leases and these leases are accounted for as operating leases under the lease standard.

For the six months ended June 30, 2022, approximately 97% of the Company’s total lease revenue is generated from residential apartment leases that are generally twelve months or less in length.  The residential apartment leases may include lease income related to such items as utility recoveries, parking rent, storage rent and pet rent that the Company treats as a single lease component because the amenities cannot be leased on their own and the timing and pattern of revenue recognition are the same.  The collection of lease payments at lease commencement is probable and therefore the Company subsequently recognizes lease income over the lease term on a straight-line basis.  Residential leases are renewable upon consent of both parties on an annual or monthly basis.

For the six months ended June 30, 2022, approximately 3% of the Company’s total lease revenue is generated by non-residential leases that are generally for terms ranging between five to ten years.  The non-residential leases generally consist of ground floor retail spaces and master-leased parking garages that serve as additional amenities for our residents.  The non-residential leases may include lease income related to such items as utility recoveries, parking rent and storage rent that the Company treats as a single lease component because the amenities cannot be leased on their own and the timing and pattern of revenue recognition are the same.  The collection of lease payments at lease commencement is probable and therefore the Company subsequently recognizes lease income over the lease term on a straight-line basis.  Non-residential leases are renewable with market-based renewal options.

The following table presents the lease income types relating to lease payments for residential and non-residential leases along with the total other rental income for the six months ended June 30, 2022 and 2021 (amounts in thousands):

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	Six Months Ended June 30, 2022									Six Months Ended June 30, 2021
Income Type	Residential Leases			Non-Residential Leases			Total			Residential Leases			Non-Residential Leases		Total
Residential and non-residential rent	$	1,192,048		$	32,095		$	1,224,143		$	1,078,304		$	31,237	$	1,109,541
Utility recoveries (RUBS income) (1)		39,583			369			39,952			36,533			330		36,863
Parking rent		21,706			202			21,908			19,890			362		20,252
Other lease revenue (2)		(889	)		(197	)		(1,086	)		(18,970	)		1,138		(17,832	)
Total lease revenue	$	1,252,448		$	32,469			1,284,917		$	1,115,757		$	33,067		1,148,824
Parking revenue								18,431								11,572
Other revenue								37,030								35,265
Total other rental income (3)								55,461								46,837
Rental income							$	1,340,378							$	1,195,661

(1) RUBS income primarily consists of variable payments representing the recovery of utility costs from residents.

(2) Other lease revenue consists of the revenue adjustment related to bad debt and other miscellaneous lease revenue.

(3) Other rental income is accounted for under the revenue recognition standard.

The following table presents the lease income types relating to lease payments for residential and non-residential leases along with the total other rental income for the quarters ended June 30, 2022 and 2021 (amounts in thousands):

	Quarter Ended June 30, 2022							Quarter Ended June 30, 2021
Income Type	Residential Leases		Non-Residential Leases			Total		Residential Leases			Non-Residential Leases		Total
Residential and non-residential rent	$	605,158	$	16,221		$	621,379	$	538,649		$	15,398	$	554,047
Utility recoveries (RUBS income) (1)		19,985		188			20,173		18,579			152		18,731
Parking rent		10,923		104			11,027		10,156			95		10,251
Other lease revenue (2)		5,412		(154	)		5,258		(8,708	)		529		(8,179	)
Total lease revenue	$	641,478	$	16,359			657,837	$	558,676		$	16,174		574,850
Parking revenue							9,623							6,139
Other revenue							19,570							17,070
Total other rental income (3)							29,193							23,209
Rental income						$	687,030						$	598,059

(1) RUBS income primarily consists of variable payments representing the recovery of utility costs from residents.

(2) Other lease revenue consists of the revenue adjustment related to bad debt and other miscellaneous lease revenue.

(3) Other rental income is accounted for under the revenue recognition standard.

The following table presents residential and non-residential accounts receivable and straight-line receivable balances for the Company’s properties as of June 30, 2022 and December 31, 2021 (amounts in thousands):

	Residential							Non-Residential
Balance Sheet (Other assets):	June 30, 2022				December 31, 2021			June 30, 2022			December 31, 2021
Resident/tenant accounts receivable balances	$	36,068			$	37,959		$	3,444		$	3,218
Allowance for doubtful accounts		(32,358	)			(33,121	)		(2,553	)		(2,365	)
Net receivable balances	$	3,710		(1)	$	4,838		$	891		$	853
Straight-line receivable balances	$	4,757			$	7,460		$	13,551		$	13,021

(1) The Company held residential security deposits approximating 62.6% of the net residential receivable balance at June 30, 2022.

The following table presents residential bad debt for the Company’s properties for the six months and quarters ended June 30, 2022 and 2021 (amounts in thousands):

	Six Months Ended June 30,						Quarter Ended June 30,
Income Statement (Rental income):		2022			2021			2022			2021
Bad debt, net (1)	$	8,147		$	25,772		$	(1,748	)	$	12,079
% of rental income		0.6	%		2.2	%		(0.3	%)		2.1	%

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(1) Bad debt, net benefited from additional resident payments due to governmental rental assistance programs of approximately $24.6 million and $14.8 million for the six months and quarter ended June 30, 2022, respectively.

9. Debt

EQR does not have any indebtedness as all debt is incurred by the Operating Partnership.  Weighted average interest rates noted below for the six months ended June 30, 2022 include the effect of any derivative instruments and amortization of premiums/discounts/OCI (other comprehensive income) on debt and derivatives.

Mortgage Notes Payable

The following table summarizes the Company’s mortgage notes payable activity for the six months ended June 30, 2022 (amounts in thousands):

	Mortgage notes payable, net as of December 31, 2021		Proceeds			Lump sum payoffs			Scheduled principal repayments			Amortization of premiums/ discounts		Amortization of deferred financing costs, net (1)		Mortgage notes payable, net as of June 30, 2022
Fixed Rate Debt:
Secured – Conventional	$	1,896,472	$	—		$	(260,874	)	$	(2,985	)	$	928	$	714	$	1,634,255
Floating Rate Debt:
Secured – Conventional		59,890		14,586	(2)		—			—			—		148		74,624
Secured – Tax Exempt		234,839		—			—			—			617		69		235,525
Floating Rate Debt		294,729		14,586			—			—			617		217		310,149
Total	$	2,191,201	$	14,586		$	(260,874	)	$	(2,985	)	$	1,545	$	931	$	1,944,404

(1) Represents amortization of deferred financing costs, net of debt financing costs.  

(2) See Note 6 for additional discussion of the variable rate construction mortgage debt.

The following table summarizes certain interest rate and maturity date information as of and for the six months ended June 30, 2022:

	June 30, 2022
Interest Rate Ranges	0.10% - 4.21%
Weighted Average Interest Rate	3.37%
Maturity Date Ranges	2023-2061

As of June 30, 2022, the Company had $250.0 million of secured debt (primarily tax-exempt bonds) subject to third-party credit enhancement.

Notes

The following table summarizes the Company’s notes activity for the six months ended June 30, 2022 (amounts in thousands):

	Notes, net as of December 31, 2021		Proceeds		Lump sum payoffs		Amortization of premiums/ discounts		Amortization of deferred financing costs, net (1)		Notes, net as of June 30, 2022
Fixed Rate Debt:
Unsecured – Public	$	5,835,222	$	—	$	—	$	1,346	$	2,125	$	5,838,693

(1) Represents amortization of deferred financing costs, net of debt financing costs.

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The following table summarizes certain interest rate and maturity date information as of and for the six months ended June 30, 2022:

	June 30, 2022
Interest Rate Ranges	1.85% - 7.57%
Weighted Average Interest Rate	3.60%
Maturity Date Ranges	2023-2047

The Company’s unsecured public notes contain certain financial and operating covenants including, among other things, maintenance of certain financial ratios.  The Company was in compliance with its unsecured public debt covenants for the six months ended June 30, 2022.

Line of Credit and Commercial Paper

The Company has a $2.5 billion unsecured revolving credit facility maturing November 1, 2024.  The Company has the ability to increase available borrowings by an additional $750.0 million by adding lenders to the facility, obtaining the agreement of existing lenders to increase their commitments or incurring one or more term loans.  The interest rate on advances under the facility will generally be LIBOR plus a spread (currently 0.775%), or based on bids received from the lending group, and the Company pays an annual facility fee (currently 0.125%).  Both the spread and the facility fee are dependent on the Company’s senior unsecured credit rating.  The Company did not borrow any amounts under its revolving credit facility during the six months ended June 30, 2022.

The Company has an unsecured commercial paper note program under which it may borrow up to a maximum of $1.0 billion subject to market conditions.  The notes will be sold under customary terms in the United States commercial paper note market and will rank pari passu with all of the Company’s other unsecured senior indebtedness.  The notes bear interest at various floating rates with a weighted average interest rate of 0.60% for the six months ended June 30, 2022 and a weighted average maturity of 12 days as of June 30, 2022.  The weighted average amount outstanding for the six months ended June 30, 2022 was approximately $186.7 million.

The Company limits its utilization of the revolving credit facility in order to maintain liquidity to support its $1.0 billion commercial paper program along with certain other obligations.  The following table presents the availability on the Company’s unsecured revolving credit facility as of June 30, 2022 (amounts in thousands):

	June 30, 2022
Unsecured revolving credit facility commitment	$	2,500,000
Commercial paper balance outstanding		(185,037	)
Unsecured revolving credit facility balance outstanding		—
Other restricted amounts		(3,463	)
Unsecured revolving credit facility availability	$	2,311,500

Other

The following table summarizes the Company’s total debt extinguishment costs recorded as additional interest expense for the six months and quarters ended June 30, 2022 and 2021 (amounts in thousands):

	Six Months Ended June 30,				Quarter Ended June 30,
	2022		2021		2022		2021
Write-offs of unamortized deferred financing costs	$	92	$	264	$	92	$	—
Write-offs of unamortized (premiums)/discounts/OCI		377		—		377		—
Total	$	469	$	264	$	469	$	—

10. Fair Value Measurements

The valuation of financial instruments requires the Company to make estimates and judgments that affect the fair value of the instruments.  The Company, where possible, bases the fair values of its financial instruments on listed market prices and third-party quotes.  Where these are not available, the Company bases its estimates on current instruments with similar terms and maturities or on other factors relevant to the financial instruments.

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In the normal course of business, the Company is exposed to the effect of interest rate changes.  The Company may seek to manage these risks by following established risk management policies and procedures including the use of derivatives to hedge interest rate risk on debt instruments.  The Company may also use derivatives to manage commodity prices in the daily operations of the business.  

A three-level valuation hierarchy exists for disclosure of fair value measurements.  The valuation hierarchy is based upon the transparency of inputs to the valuation of an asset or liability as of the measurement date.  A financial instrument’s categorization within the valuation hierarchy is based upon the lowest level of input that is significant to the fair value measurement.  The three levels are defined as follows:

• Level 1 – Inputs to the valuation methodology are quoted prices (unadjusted) for identical assets or liabilities in active markets.

• Level 2 – Inputs to the valuation methodology include quoted prices for similar assets and liabilities in active markets, and inputs that are observable for the asset or liability, either directly or indirectly, for substantially the full term of the financial instrument.

• Level 3 – Inputs to the valuation methodology are unobservable and significant to the fair value measurement.

The Company’s derivative positions are valued using models developed by the respective counterparty as well as models applied internally by the Company that use as their inputs readily observable market parameters (such as forward yield curves and credit default swap data). The following table summarizes the inputs to the valuations for each type of fair value measurement:

Fair Value Measurement Type	Valuation Inputs
Employee holdings (other than Common Shares) within the supplemental executive retirement plan (the “SERP”)	Quoted market prices for identical assets. These holdings are included in other assets and other liabilities on the consolidated balance sheets.
Redeemable Noncontrolling Interests – Operating Partnership/Redeemable Limited Partners	Quoted market price of Common Shares.
Mortgage notes payable and private unsecured debt (including its commercial paper and line of credit, if applicable)	Indicative rates provided by lenders of similar loans.
Public unsecured notes	Quoted market prices for each underlying issuance.

The fair values of the Company’s financial instruments (other than mortgage notes payable, unsecured notes, commercial paper, line of credit and derivative instruments), including cash and cash equivalents and other financial instruments, approximate their carrying or contract value.  The following table provides a summary of the carrying and fair values for the Company’s mortgage notes payable and unsecured debt (including its commercial paper and line of credit, if applicable) at June 30, 2022 and December 31, 2021, respectively (amounts in thousands):

	June 30, 2022				December 31, 2021
	Carrying Value		Estimated Fair Value (Level 2)		Carrying Value		Estimated Fair Value (Level 2)
Mortgage notes payable, net	$	1,944,404	$	1,847,010	$	2,191,201	$	2,193,689
Unsecured debt, net		6,023,639		5,693,443		6,150,252		6,798,309
Total debt, net	$	7,968,043	$	7,540,453	$	8,341,453	$	8,991,998

The following table summarizes the Company’s consolidated derivative instruments at June 30, 2022 (dollar amounts are in thousands):

	Forward Starting Swaps (1)
Current Notional Balance	$	150,000
Lowest Interest Rate		2.790	%
Highest Interest Rate		2.972	%
Maturity Date		2033

(1) Forward Starting Swaps – Designed to partially fix interest rates in advance of planned future debt issuances.  These swaps have mandatory counterparty terminations in 2024 and are targeted for certain 2023 debt issuances.

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The following tables provide a summary of the fair value measurements for each major category of assets and liabilities measured at fair value on a recurring basis and the location within the accompanying consolidated balance sheets at June 30, 2022 and December 31, 2021, respectively (amounts in thousands):

				Fair Value Measurements at Reporting Date Using
Description	Balance Sheet Location	6/30/2022		Quoted Prices in Active Markets for Identical Assets/Liabilities (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)
Assets
Supplemental Executive Retirement Plan	Other Assets	$	129,067	$	129,067	$	—	$	—
Liabilities
Derivatives designated as hedging instruments:
Interest Rate Contracts:
Forward Starting Swaps	Other Liabilities	$	1,259	$	—	$	1,259	$	—
Supplemental Executive Retirement Plan	Other Liabilities		129,067		129,067		—		—
Total		$	130,326	$	129,067	$	1,259	$	—
Redeemable Noncontrolling Interests –
Operating Partnership/Redeemable
Limited Partners	Mezzanine	$	398,188	$	—	$	398,188	$	—

				Fair Value Measurements at Reporting Date Using
Description	Balance Sheet Location	12/31/2021		Quoted Prices in Active Markets for Identical Assets/Liabilities (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)
Assets
Supplemental Executive Retirement Plan	Other Assets	$	164,650	$	164,650	$	—	$	—
Liabilities
Supplemental Executive Retirement Plan	Other Liabilities	$	164,650	$	164,650	$	—	$	—
Redeemable Noncontrolling Interests –
Operating Partnership/Redeemable
Limited Partners	Mezzanine	$	498,977	$	—	$	498,977	$	—

The following tables provide a summary of the effect of cash flow hedges on the Company’s accompanying consolidated statements of operations and comprehensive income for the six months ended June 30, 2022 and 2021, respectively (amounts in thousands):

June 30, 2022 Type of Cash Flow Hedge	Amount of Gain/(Loss) Recognized in OCI on Derivative			Location of Gain/(Loss) Reclassified from Accumulated OCI into Income	Amount of Gain/(Loss) Reclassified from Accumulated OCI into Income
Derivatives designated as hedging instruments:
Interest Rate Contracts:
Forward Starting Swaps	$	(1,259	)	Interest expense	$	(4,881	)
Total	$	(1,259	)		$	(4,881	)

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June 30, 2021 Type of Cash Flow Hedge	Amount of Gain/(Loss) Recognized in OCI on Derivative		Location of Gain/(Loss) Reclassified from Accumulated OCI into Income	Amount of Gain/(Loss) Reclassified from Accumulated OCI into Income
Derivatives designated as hedging instruments:
Interest Rate Contracts:
Forward Starting Swaps	$	—	Interest expense	$	(4,637	)
Total	$	—		$	(4,637	)

As of June 30, 2022 and December 31, 2021, there were approximately $30.6 million and $34.3 million in deferred losses, net, included in accumulated other comprehensive income (loss), respectively, related to previously settled derivative instruments, of which an estimated $8.9 million may be recognized as additional interest expense during the twelve months ending June 30, 2023.

11. Earnings Per Share and Earnings Per Unit

Equity Residential

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):

	Six Months Ended June 30,						Quarter Ended June 30,
	2022			2021			2022			2021
Numerator for net income per share – basic:
Net income	$	306,476		$	388,404		$	232,678		$	328,040
Allocation to Noncontrolling Interests – Operating Partnership		(10,027	)		(13,056	)		(7,633	)		(10,913	)
Net (income) loss attributable to Noncontrolling    Interests – Partially Owned Properties		(1,583	)		(1,423	)		(944	)		(741	)
Preferred distributions		(1,545	)		(1,545	)		(773	)		(772	)
Numerator for net income per share – basic	$	293,321		$	372,380		$	223,328		$	315,614
Numerator for net income per share – diluted:
Net income	$	306,476		$	388,404		$	232,678		$	328,040
Net (income) loss attributable to Noncontrolling    Interests – Partially Owned Properties		(1,583	)		(1,423	)		(944	)		(741	)
Preferred distributions		(1,545	)		(1,545	)		(773	)		(772	)
Numerator for net income per share – diluted	$	303,348		$	385,436		$	230,961		$	326,527
Denominator for net income per share – basic and diluted:
Denominator for net income per share – basic		375,640			373,050			375,769			373,812
Effect of dilutive securities:
OP Units		11,891			12,544			11,895			12,044
Long-term compensation shares/units		1,863			1,773			1,698			1,964
ATM forward sales		69			—			1			—
Denominator for net income per share – diluted		389,463			387,367			389,363			387,820
Net income per share – basic	$	0.78		$	1.00		$	0.59		$	0.84
Net income per share – diluted	$	0.78		$	1.00		$	0.59		$	0.84

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ERP Operating Limited Partnership

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):

	Six Months Ended June 30,						Quarter Ended June 30,
	2022			2021			2022			2021
Numerator for net income per Unit – basic and diluted:
Net income	$	306,476		$	388,404		$	232,678		$	328,040
Net (income) loss attributable to Noncontrolling    Interests – Partially Owned Properties		(1,583	)		(1,423	)		(944	)		(741	)
Allocation to Preference Units		(1,545	)		(1,545	)		(773	)		(772	)
Numerator for net income per Unit – basic and diluted	$	303,348		$	385,436		$	230,961		$	326,527
Denominator for net income per Unit – basic and diluted:
Denominator for net income per Unit – basic		387,531			385,594			387,664			385,856
Effect of dilutive securities:
Dilution for Units issuable upon assumed exercise/vesting    of the Company’s long-term compensation shares/units		1,863			1,773			1,698			1,964
ATM forward sales		69			—			1			—
Denominator for net income per Unit – diluted		389,463			387,367			389,363			387,820
Net income per Unit – basic	$	0.78		$	1.00		$	0.59		$	0.84
Net income per Unit – diluted	$	0.78		$	1.00		$	0.59		$	0.84

12. Commitments and Contingencies

Commitments

Real Estate Development Commitments

As of June 30, 2022, the Company has both consolidated and unconsolidated real estate projects under development.  We have entered into, and may continue in the future to enter into, joint venture agreements with third-party partners for the development of multifamily rental properties.  The joint venture agreements with each development partner include buy-sell provisions that provide the right, but not the obligation, for the Company to acquire each respective partner’s interests or sell its interests at any time following the occurrence of certain pre-defined events described in the joint venture agreements.  See Note 6 for additional discussion.

The following table summarizes the gross remaining total project costs for the Company’s projects under development at June 30, 2022 (total project costs remaining in thousands):

	Projects		Apartment Units		Total Project Costs Remaining (1)
Projects Under Development
Consolidated		2		537	$	195,487
Unconsolidated		4		1,291		291,066
Total Projects Under Development		6		1,828	$	486,553

(1) The Company’s share of the $486.6 million in total project costs remaining approximates $161.1 million, with the balance funded by the Company’s joint venture partners (approximately $6.3 million) and/or applicable construction loans (approximately $319.2 million).

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Other Commitments

We have entered into, and may continue in the future to enter into, real estate technology and other real estate fund investments.  At June 30, 2022, the Company has invested in eight real estate technology funds and one other real estate investment fund with aggregate remaining commitments of approximately $24.7 million.

Contingencies

Litigation and Legal Matters

The Company, as an owner of real estate, is subject to various federal, state and local laws.  Compliance by the Company with existing laws has not had a material adverse effect on the Company.  However, the Company cannot predict the impact of new or changed laws or regulations on its current properties or on properties that it may acquire in the future.

The Company does not believe there is any litigation pending or threatened against it that, individually or in the aggregate, may reasonably be expected to have a material adverse effect on the Company.

13. Reportable Segments

Operating segments are defined as components of an enterprise that engage in business activities from which they may earn revenues and incur expenses and about which discrete financial information is available that is evaluated regularly by the chief operating decision maker.  The chief operating decision maker decides how resources are allocated and assesses performance on a recurring basis at least quarterly.

The Company’s primary business is the acquisition, development and management of multifamily residential properties, which includes the generation of rental and other related income through the leasing of apartment units to residents.  The chief operating decision maker evaluates the Company’s operating performance geographically by market and both on a same store and non-same store basis.  While the Company does maintain a non-residential presence, it accounts for approximately 3.8% of total revenues for the six months ended June 30, 2022 and is designed as an amenity for our residential residents.  The chief operating decision maker evaluates the performance of each property on a consolidated residential and non-residential basis.  The Company’s geographic consolidated same store operating segments represent its reportable segments.

The Company’s development activities are other business activities that do not constitute an operating segment and as such, have been aggregated in the “Other” category in the tables presented below.

All revenues are from external customers and there is no customer who contributed 10% or more of the Company’s total revenues during the six months and quarters ended June 30, 2022 and 2021, respectively.

The primary financial measure for the Company’s rental real estate segment is net operating income (“NOI”), which represents rental income less: 1) property and maintenance expense and 2) real estate taxes and insurance expense (all as reflected in the accompanying consolidated statements of operations and comprehensive income).  The Company believes that NOI is helpful to investors as a supplemental measure of its operating performance because it is a direct measure of the actual operating results of the Company’s apartment properties.  Revenues for all leases are reflected on a straight-line basis in accordance with GAAP for the current and comparable periods.

The following table presents a reconciliation of NOI from our rental real estate for the six months and quarters ended June 30, 2022 and 2021, respectively (amounts in thousands):

	Six Months Ended June 30,						Quarter Ended June 30,
	2022			2021			2022			2021
Rental income	$	1,340,378		$	1,195,661		$	687,030		$	598,059
Property and maintenance expense		(241,229	)		(224,800	)		(116,355	)		(107,746	)
Real estate taxes and insurance expense		(202,538	)		(200,871	)		(101,850	)		(97,401	)
Total operating expenses		(443,767	)		(425,671	)		(218,205	)		(205,147	)
Net operating income	$	896,611		$	769,990		$	468,825		$	392,912

The following tables present NOI from our rental real estate for each segment for the six months and quarters ended June 30, 2022 and 2021, respectively, as well as total assets and capital expenditures at June 30, 2022 (amounts in thousands):

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	Six Months Ended June 30, 2022						Six Months Ended June 30, 2021
	Rental Income		Operating Expenses		NOI		Rental Income		Operating Expenses		NOI
Same store (1)
Los Angeles	$	241,119	$	72,466	$	168,653	$	213,291	$	70,202	$	143,089
Orange County		60,018		12,805		47,213		52,510		12,411		40,099
San Diego		42,410		9,555		32,855		37,928		9,176		28,752
Subtotal - Southern California		343,547		94,826		248,721		303,729		91,789		211,940
San Francisco		206,018		61,588		144,430		188,762		59,386		129,376
Washington D.C.		203,494		68,073		135,421		194,911		64,309		130,602
New York		218,855		99,705		119,150		188,676		98,235		90,441
Seattle		137,255		38,837		98,418		126,450		40,434		86,016
Boston		127,660		39,881		87,779		115,089		38,077		77,012
Denver		21,404		5,939		15,465		18,920		5,532		13,388
Total same store		1,258,233		408,849		849,384		1,136,537		397,762		738,775
Non-same store/other
Non-same store (2)		77,019		31,614		45,405		5,186		2,299		2,887
Other (3)		5,126		3,304		1,822		53,938		25,610		28,328
Total non-same store/other		82,145		34,918		47,227		59,124		27,909		31,215
Totals	$	1,340,378	$	443,767	$	896,611	$	1,195,661	$	425,671	$	769,990

(1) For the six months ended June 30, 2022 and 2021, same store primarily includes all properties acquired or completed that were stabilized prior to January 1, 2021, less properties subsequently sold, which represented 74,057 apartment units.

(2) For the six months ended June 30, 2022 and 2021, non-same store primarily includes properties acquired after January 1, 2021, plus any properties in lease-up and not stabilized as of January 1, 2021.

(3) Other includes development, other corporate operations and operations prior to disposition for properties sold.

	Quarter Ended June 30, 2022							Quarter Ended June 30, 2021
	Rental Income		Operating Expenses		NOI			Rental Income		Operating Expenses		NOI
Same store (1)
Los Angeles	$	125,767	$	35,692	$	90,075		$	106,873	$	34,509	$	72,364
Orange County		31,252		6,381		24,871			26,669		6,096		20,573
San Diego		21,470		4,626		16,844			19,188		4,543		14,645
Subtotal - Southern California		178,489		46,699		131,790			152,730		45,148		107,582
San Francisco		105,402		30,050		75,352			93,784		28,982		64,802
Washington D.C.		103,022		34,172		68,850			97,423		31,701		65,722
New York		112,865		48,559		64,306			94,473		48,258		46,215
Seattle		70,128		19,512		50,616			62,603		19,999		42,604
Boston		65,066		19,443		45,623			57,777		18,530		39,247
Denver		10,825		2,930		7,895			9,575		2,710		6,865
Total same store		645,797		201,365		444,432			568,365		195,328		373,037
Non-same store/other
Non-same store (2)		40,501		15,646		24,855			3,436		1,660		1,776
Other (3)		732		1,194		(462	)		26,258		8,159		18,099
Total non-same store/other		41,233		16,840		24,393			29,694		9,819		19,875
Totals	$	687,030	$	218,205	$	468,825		$	598,059	$	205,147	$	392,912

(1) For the quarters ended June 30, 2022 and 2021, same store primarily includes all properties acquired or completed that were stabilized prior to April 1, 2021, less properties subsequently sold, which represented 74,057 apartment units.

(2) For the quarters ended June 30, 2022 and 2021, non-same store primarily includes properties acquired after April 1, 2021, plus any properties in lease-up and not stabilized as of April 1, 2021.

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(3) Other includes development, other corporate operations and operations prior to disposition for properties sold.

	Six Months Ended June 30, 2022
	Total Assets		Capital Expenditures
Same store (1)
Los Angeles	$	2,748,850	$	14,728
Orange County		362,679		2,643
San Diego		228,219		1,828
Subtotal - Southern California		3,339,748		19,199
San Francisco		3,114,937		13,003
Washington D.C.		3,120,459		13,391
New York		3,700,473		12,422
Seattle		2,106,727		8,761
Boston		1,708,006		9,799
Denver		482,417		562
Total same store		17,572,767		77,137
Non-same store/other
Non-same store (2)		2,421,668		6,053
Other (3)		579,910		114
Total non-same store/other		3,001,578		6,167
Totals	$	20,574,345	$	83,304

(1) Same store primarily includes all properties acquired or completed that were stabilized prior to January 1, 2021, less properties subsequently sold, which represented 74,057 apartment units.

(2) Non-same store primarily includes properties acquired after January 1, 2021, plus any properties in lease-up and not stabilized as of January 1, 2021.

(3) Other includes development, other corporate operations and capital expenditures for properties sold.

14. Subsequent Events

Subsequent to June 30, 2022, the Company:

• Sold one property consisting of 455 apartment units for approximately $415.0 million;

• Entered into $200.0 million of forward starting swaps to hedge changes in interest rates related to future taxable secured or unsecured debt issuances; and  

• Sent a redemption notice on its $500.0 million unsecured notes due in 2023. The redemption is expected to occur in the third quarter of 2022 and will be funded from disposition proceeds.

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Item 2.  Management’s Discussion and Analysis of Financial Condition and Results of Operations

For further information including definitions for capitalized terms not defined herein, refer to the consolidated financial statements and footnotes thereto included in the Company’s and the Operating Partnership’s Annual Report on Form 10-K for the year ended December 31, 2021.  In addition, please refer to the Definitions section below for various capitalized terms not immediately defined in this Item 2, Management’s Discussion and Analysis of Financial Condition and Results of Operations.

Forward-Looking Statements

Forward-looking statements are intended to be made pursuant to the safe harbor provisions of the Private Securities Litigation Reform Act of 1995.  These statements are based on current expectations, estimates, projections and assumptions made by management.  While the Company’s management believes the assumptions underlying its forward-looking statements are reasonable, such information is inherently subject to uncertainties and may involve certain risks, which could cause actual results, performance or achievements of the Company to differ materially from anticipated future results, performance or achievements expressed or implied by such forward-looking statements.  Many of these uncertainties and risks are difficult to predict and beyond management’s control, such as the current novel coronavirus (“COVID-19”) pandemic.  Forward-looking statements are not guarantees of future performance, results or events.  The forward-looking statements contained herein are made as of the date hereof and the Company undertakes no obligation to update or supplement these forward-looking statements.  

In addition, these forward-looking statements are subject to risks related to the COVID-19 pandemic and its accompanying variants, many of which are unknown, including the duration, severity and the extent of the adverse health impact on the general population, our residents and employees, the distribution, effectiveness and acceptance of vaccines and testing, the overall reopening progress in the cities in which we operate, the potential long-term changes in customer preferences for living in our communities and the impact of operational changes we have implemented and may implement in response to the pandemic.

Additional factors that might cause such differences are discussed in Part I of the Company’s and the Operating Partnership’s Annual Report on Form 10-K for the year ended December 31, 2021, particularly those under Item 1A, Risk Factors.

Forward-looking statements and related uncertainties are also included in the Notes to Consolidated Financial Statements in this report.

Overview

Equity Residential (“EQR”) is committed to creating communities where people thrive.  The Company, a member of the S&P 500, is focused on the acquisition, development and management of residential properties located in and around dynamic cities that attract affluent long-term renters.  ERP Operating Limited Partnership (“ERPOP”) is focused on conducting the multifamily property business of EQR.  EQR is a Maryland real estate investment trust (“REIT”) formed in March 1993 and ERPOP is an Illinois limited partnership formed in May 1993.  References to the “Company,” “we,” “us” or “our” mean collectively EQR, ERPOP and those entities/subsidiaries owned or controlled by EQR and/or ERPOP.  References to the “Operating Partnership” mean collectively ERPOP and those entities/subsidiaries owned or controlled by ERPOP.  

EQR is the general partner of, and as of June 30, 2022 owned an approximate 96.7% ownership interest in, ERPOP.  All of the Company’s property ownership, development and related business operations are conducted through the Operating Partnership and EQR has no material assets or liabilities other than its investment in ERPOP.  EQR issues equity from time to time, the net proceeds of which it is obligated to contribute to ERPOP, but does not have any indebtedness as all debt is incurred by the Operating Partnership.  The Operating Partnership holds substantially all of the assets of the Company, including the Company’s ownership interests in its joint ventures.  The Operating Partnership conducts the operations of the business and is structured as a partnership with no publicly traded equity.

The Company’s corporate headquarters is located in Chicago, Illinois and the Company also operates regional property management offices in most of its markets.

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Available Information

You may access our Annual Report on Form 10-K, our Quarterly Reports on Form 10-Q, our Current Reports on Form 8-K, our proxy statements and any amendments to any of those reports/statements we file with or furnish to the Securities and Exchange Commission (“SEC”) free of charge on our website, www.equityapartments.com.  These reports/statements are made available on our website as soon as reasonably practicable after we file them with or furnish them to the SEC.  The information contained on our website, including any information referred to in this report as being available on our website, is not a part of or incorporated into this report.

Business Objectives and Operating and Investing Strategies

The Company’s and the Operating Partnership’s overall business objectives and operating and investing strategies have not changed from the information included in the Company’s and the Operating Partnership’s Annual Report on Form 10-K for the year ended December 31, 2021.

Results of Operations

2022 Transactions

In conjunction with our business objectives and operating and investing strategies, the following table provides a rollforward of the transactions that occurred during the six months ended June 30, 2022:

Portfolio Rollforward

($ in thousands)

	Properties			Apartment Units			Purchase Price			Acquisition Cap Rate
12/31/2021		310			80,407
Acquisitions:
Consolidated Rental Properties		1			172		$	113,000			3.5	%
							Sales Price			Disposition Yield
Dispositions:
Consolidated Rental Properties		(1	)		(354	)	$	(265,650	)		(3.3	)%
Configuration Changes		—			2
6/30/2022		310			80,227

Acquisitions

• The Company acquired one operating property in the first quarter of 2022, a 172-unit apartment property located in San Diego for a purchase price of $113.0 million; and

• During the second quarter of 2022, the Company acquired its joint venture partner’s 25% interest in a 432-unit apartment property in Chevy Chase, MD for $32.2 million, and the property is now wholly owned.

Dispositions

• The Company sold a 354-unit apartment property located in New York City in the second quarter of 2022 for approximately $265.7 million, generating an Unlevered IRR of 6.6%; and

• Subsequent to June 30, 2022, the Company sold a 455-unit apartment property located in New York City for approximately $415.0 million.

Developments

• The Company commenced construction on one consolidated and one unconsolidated apartment property during the second quarter of 2022, located in Santa Clara, CA and Fort Worth, TX, respectively, consisting of 587 apartment units in the aggregate totaling approximately $234.4 million of expected development costs; and

• The Company spent approximately $93.9 million during the six months ended June 30, 2022, primarily for consolidated and unconsolidated development projects.

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See Notes 4 and 14 in the Notes to Consolidated Financial Statements for additional discussion regarding the Company’s real estate transactions.

Future Outlook

• The Company assumes consolidated rental acquisitions of approximately $113.0 million and consolidated rental dispositions of approximately $746.0 million during the year ending December 31, 2022.  Given current uncertainty in the transaction environment, the Company’s revised acquisition and disposition guidance reflects no additional activities beyond one sale for $65.5 million currently under contract and scheduled to close in the fourth quarter of 2022; and

• We currently anticipate spending approximately $180.0 million on development costs during the year ending December 31, 2022, primarily for consolidated and unconsolidated properties currently under construction (amount only includes our share of development costs).

The above 2022 guidance assumptions are based on current expectations and are forward-looking.

Comparison of the six months and quarter ended June 30, 2022 to the six months and quarter ended June 30, 2021

The following table presents a reconciliation of diluted earnings per share/unit for the six months and quarter ended June 30, 2022 as compared to the same period in 2021:

	Six Months Ended June 30			Quarter Ended June 30
Diluted earnings per share/unit for period ended 2021	$	1.00		$	0.84
Property NOI		0.31			0.20
Interest expense		(0.02	)		(0.01	)
Net gain/loss on property sales		(0.30	)		(0.30	)
Non-operating asset gains/losses		(0.06	)		(0.06	)
Depreciation expense		(0.13	)		(0.06	)
Other		(0.02	)		(0.02	)
Diluted earnings per share/unit for period ended 2022	$	0.78		$	0.59

The Company’s primary financial measure for evaluating each of its apartment communities is net operating income (“NOI”).  NOI represents rental income less direct property operating expenses (including real estate taxes and insurance).  The Company believes that NOI is helpful to investors as a supplemental measure of its operating performance because it is a direct measure of the actual operating results of the Company’s apartment properties.

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The following tables present reconciliations of operating income per the consolidated statements of operations to NOI, along with rental income, operating expenses and NOI per the consolidated statements of operations allocated between same store and non-same store results (amounts in thousands):

	Six Months Ended June 30,
	2022			2021			$ Change			% Change
Operating income	$	459,672		$	512,404		$	(52,732	)		(10.3	)%
Adjustments:
Property management		57,306			50,585			6,721			13.3	%
General and administrative		33,661			30,061			3,600			12.0	%
Depreciation		453,767			400,635			53,132			13.3	%
Net (gain) loss on sales of real estate properties		(107,795	)		(223,695	)		115,900			(51.8	)%
Total NOI	$	896,611		$	769,990		$	126,621			16.4	%
Rental income:
Same store	$	1,258,233		$	1,136,537		$	121,696			10.7	%
Non-same store/other		82,145			59,124			23,021			38.9	%
Total rental income		1,340,378			1,195,661			144,717			12.1	%
Operating expenses:
Same store		408,849			397,762			11,087			2.8	%
Non-same store/other		34,918			27,909			7,009			25.1	%
Total operating expenses		443,767			425,671			18,096			4.3	%
NOI:
Same store		849,384			738,775			110,609			15.0	%
Non-same store/other		47,227			31,215			16,012			51.3	%
Total NOI	$	896,611		$	769,990		$	126,621			16.4	%

Note: See Note 13 in the Notes to Consolidated Financial Statements for detail by reportable segment/market.  Non-same store/other NOI results consist primarily of properties acquired in calendar years 2021 and 2022, operations from the Company’s development properties and operations prior to disposition from 2021 and 2022 sold properties.

• The increase in same store rental income is primarily driven by strong Physical Occupancy and continued growth in pricing.

• The increase in same store operating expenses is due primarily to:

• Utilities – A $7.0 million increase primarily from gas and electric due to higher commodity prices;

• Repairs and maintenance – A $4.4 million increase primarily driven by volume and timing of maintenance and repairs along with increases in minimum wage on contracted services; and

• On-site payroll – A $2.9 million decrease due to improved sales and service staff utilization from various technology initiatives and higher than usual staffing vacancies during the current period.

• The increase in non-same store/other NOI is due primarily to a positive impact of higher NOI from properties acquired during 2021 and 2022 of $34.6 million and higher NOI from development properties in lease-up of $7.4 million, partially offset by a negative impact of lost NOI from 2021 and 2022 dispositions of $29.1 million.

• The increase in consolidated total NOI is primarily a result of the Company’s higher NOI from same store properties, largely due to improvement in same store revenues as noted above.  Operating expense growth remains modest due to a combination of continued success in managing controllable expenses and modest growth in real estate tax expense (increased by only $0.6 million), leading to 15.0% same store NOI growth for the six months ended June 30, 2022 as compared to the prior year period.

See the Same Store Results section below for additional discussion of those results.

Property management expenses include off-site expenses associated with the self-management of the Company’s properties as well as management fees paid to any third-party management companies. These expenses increased approximately $6.7 million or 13.3% and approximately $2.1 million or 8.6% for the six months and quarter ended June 30, 2022, respectively, as compared to the prior year periods.  These increases are primarily attributable to increases in payroll-related costs, training/conference costs, legal and professional fees, temporary help/contractors costs and information technology-related costs.  A portion of these costs are associated with various operating initiatives such as sales-focused improvements and service enhancements that facilitate lower onsite expense growth.

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General and administrative expenses, which includes corporate operating expenses, increased approximately $3.6 million or 12.0% and approximately $1.7 million or 11.9% for the six months and quarter ended June 30, 2022, respectively, as compared to the prior year periods, primarily due to increases in payroll-related costs, legal and professional fees and training/conference costs.

Depreciation expense, which includes depreciation on non-real estate assets, increased approximately $53.1 million or 13.3% and approximately $23.1 million or 11.5% for the six months and quarter ended June 30, 2022, respectively, as compared to the prior year periods, primarily as a result of additional depreciation expense on properties acquired in 2021 and 2022 and development properties placed in service during 2021, partially offset by lower depreciation from properties sold in 2021 and 2022.

Net gain on sales of real estate properties decreased approximately $115.9 million or 51.8% and approximately $115.8 million or 51.8% for the six months and quarter ended June 30, 2022, respectively, as compared to the prior year periods, primarily as a result of a lower sales volume with the sale of one consolidated apartment property in both the six months and quarter ended June 30, 2022 as compared to the sale of five consolidated apartment properties in both the six months and quarter ended June 30, 2021.

Interest and other income decreased approximately $20.2 million or 83.0% and approximately $23.5 million or 97.5% for the six months and quarter ended June 30, 2022, respectively, as compared to the prior year periods.  These decreases are primarily due to a gain of $23.6 million on the sale of various investment securities that occurred during 2021 but not during 2022, partially offset by increases in litigation settlement proceeds that occurred during 2022 but not during 2021.

Other expenses decreased approximately $2.0 million or 27.1% and approximately $1.0 million or 28.8% for the six months and quarter ended June 30, 2022, respectively, as compared to the prior year periods, primarily due to a decline in construction defect and litigation reserves recorded between 2022 and 2021.

Interest expense, including amortization of deferred financing costs, increased approximately $10.3 million or 7.4% and approximately $5.0 million or 7.2% for the six months and quarter ended June 30, 2022, respectively, as compared to the prior year periods.  These increases are primarily due to higher overall interest rates and lower capitalized interest.  The effective interest cost on all indebtedness, excluding debt extinguishment costs/prepayment penalties, for the six months ended June 30, 2022 was 3.66% as compared to 3.54% for the prior year period, and for the quarter ended June 30, 2022 was 3.68% as compared to 3.48% for the prior year period.  The Company capitalized interest of approximately $2.3 million and $8.2 million during the six months ended June 30, 2022 and 2021, respectively, and $1.3 million and $4.4 million during the quarters ended June 30, 2022 and 2021, respectively.

Same Store Results

Properties that the Company owned and were stabilized for all of both of the six months ended June 30, 2022 and 2021 (the “Six-Month 2022 Same Store Properties”), which represented 74,057 apartment units, drove the Company’s results of operations.  Properties are considered “stabilized” when they have achieved 90% occupancy for three consecutive months.  Properties are included in same store when they are stabilized for all of the current and comparable periods presented.

The following table provides comparative total same store results and statistics for the Six-Month 2022 Same Store Properties:

June YTD 2022 vs. June YTD 2021

Same Store Results/Statistics Including 74,057 Same Store Apartment Units

$ in thousands (except for Average Rental Rate)

June YTD 2022																	June YTD 2021
	Residential			% Change			Non- Residential		% Change			Total		% Change				Residential			Non- Residential		Total
Revenues	$	1,211,971			10.8	%	$	46,262		9.5	%	$	1,258,233		10.7	%	Revenues	$	1,094,291		$	42,246	$	1,136,537
Expenses	$	396,666			2.8	%	$	12,183		2.0	%	$	408,849		2.8	%	Expenses	$	385,818		$	11,944	$	397,762
NOI	$	815,305			15.1	%	$	34,079		12.5	%	$	849,384		15.0	%	NOI	$	708,473		$	30,302	$	738,775
Average Rental Rate	$	2,827			9.6	%											Average Rental Rate	$	2,580
Physical Occupancy		96.5	%		1.0	%											Physical Occupancy		95.5	%
Turnover		19.8	%		(1.5	%)											Turnover		21.3	%

Note: Same store revenues for all leases are reflected on a straight-line basis in accordance with GAAP for the current and comparable periods.

The following table provides results and statistics related to our Residential same store operations for the six months ended June 30, 2022 and 2021:

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June YTD 2022 vs. June YTD 2021

Same Store Residential Results/Statistics by Market

														Increase (Decrease) from Prior Year
Markets/Metro Areas	Apartment Units		June YTD 22 % of Actual NOI			June YTD 22 Average Rental Rate		June YTD 22 Weighted Average Physical Occupancy %			June YTD 22 Turnover				Average Rental Rate			Physical Occupancy			Turnover
Los Angeles		15,259		20.5	%	$	2,700		96.7	%		17.5	%			12.6	%		0.6	%		(3.0	%)
Orange County		4,028		5.8	%		2,555		97.2	%		15.1	%			14.6	%		(0.2	%)		(1.0	%)
San Diego		2,706		4.0	%		2,693		97.1	%		18.4	%			12.6	%		(0.6	%)		(2.1	%)
Subtotal – Southern California		21,993		30.3	%		2,672		96.8	%		17.2	%			12.9	%		0.3	%		(2.5	%)
San Francisco		11,366		17.5	%		3,085		96.6	%		18.8	%			6.9	%		2.1	%		(4.2	%)
Washington D.C.		14,322		16.2	%		2,402		96.8	%		19.5	%			3.5	%		0.7	%		(2.0	%)
New York		8,991		13.1	%		3,867		97.1	%		20.1	%			12.1	%		4.0	%		1.6	%
Seattle		9,331		11.3	%		2,431		95.0	%		26.1	%			9.2	%		(0.6	%)		1.2	%
Boston		6,430		9.7	%		3,104		96.4	%		19.5	%			9.3	%		0.8	%		(1.2	%)
Denver		1,624		1.9	%		2,242		97.1	%		28.7	%			12.1	%		0.5	%		1.2	%
Total		74,057		100.0	%	$	2,827		96.5	%		19.8	%			9.6	%		1.0	%		(1.5	%)

Note: The above table reflects Residential same store results only.  Residential operations account for approximately 96.2% of total revenues for the six months ended June 30, 2022.

Despite geopolitical and economic uncertainties, demand to live in our apartment communities remains robust and our financial results are accelerating as we continue to capture the significant gap between existing rent levels and market rent levels.  Operating performance continues to exceed our expectations with strong demand for our apartments in all of our markets leading to high Physical Occupancy, increased pricing power and a material reduction in Leasing Concessions.  Key operating drivers for this performance during 2022 include:

• Pricing – Pricing (net of Leasing Concessions) is better than expected and well above typical seasonal norms, driven by continued strong improvement across the portfolio, especially in New York.  The use of Leasing Concessions has also declined significantly from its peak in February 2021, outside of moderately elevated use in Seattle during the six months ended June 30, 2022.

• Physical Occupancy – Physical Occupancy of 96.5% for the six months ended June 30, 2022 remained strong, exceeding 2021 levels and contributing to growth in Same Store Residential Revenues.

• Percentage of Residents Renewing and Turnover – We continue to see a high Percentage of Residents Renewing in our portfolio, which we believe reflects both the strength of demand and quality of our product.  The Percentage of Residents Renewing has been strong at 56.3% for the second quarter of 2022.  Turnover remains low at 19.8% for the six months ended June 30, 2022, reflecting a strong trend of historically high resident retention.

In addition to these stronger fundamentals, bad debt, net has moderated in the second quarter of 2022 with improvement in resident collections primarily driven by receipt of governmental rental assistance payments on behalf of our residents.

Transaction activity has recently slowed as buyers and sellers adjust their expectations to a volatile economic climate and rising interest rates.  While this type of environment can be challenging, the Company has traditionally performed well during periods of market dislocation as we believe our lower cost of capital and flexibility in funding sources gives us a competitive advantage.

We expect elevated single family home ownership costs and positive household formation trends to buffer the impact on our business from potential economic weakness and see our affluent resident base as more resilient to rising inflation due to higher levels of disposable income and lower relative rent-to-income ratios.

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Liquidity and Capital Resources

With approximately $2.3 billion in readily available liquidity, a strong balance sheet, limited near-term maturities, very strong credit metrics and ample access to capital markets, the Company believes it is well positioned to meet its future obligations and opportunities.  See further discussion below and Note 14 in the Notes to Consolidated Financial Statements for discussion of events, if any, subsequent to June 30, 2022.

Statements of Cash Flows

The following table sets forth our sources and uses of cash flows for the six months ended June 30, 2022 and 2021 (amounts in thousands):

	Six Months Ended June 30,
	2022			2021
Cash flow provided by (used for):
Operating activities	$	690,874		$	576,125
Investing activities	$	(45,335	)	$	(55,355	)
Financing activities	$	(887,124	)	$	(227,997	)

The following provides information regarding the Company’s cash flows from operating, investing and financing activities for the six months ended June 30, 2022.

Operating Activities

Our operating cash flows are primarily impacted by NOI and its components, such as Average Rental Rates, Physical Occupancy levels and operating expenses related to our properties.  Cash provided by operating activities for the six months ended June 30, 2022 as compared to the prior year period, increased by approximately $114.7 million as a direct result of the NOI and other changes discussed above in Results of Operations.

Investing Activities

Our investing cash flows are primarily impacted by our transaction activity (acquisitions/dispositions), development spend, capital expenditures and unconsolidated joint venture activity.  For the six months ended June 30, 2022, key drivers were:

• Acquired one consolidated rental property for approximately $113.0 million in cash;

• Disposed of one consolidated rental property, receiving net proceeds of approximately $255.9 million;

• Invested $55.5 million primarily in development projects;

• Invested $83.3 million in capital expenditures to real estate; and

• Invested $48.6 million primarily in unconsolidated development joint venture entities as well as unconsolidated investments in real estate technology funds/companies for various technology initiatives.

Financing Activities

Our financing cash flows primarily relate to our borrowing activity (debt proceeds or repayment), distributions/dividends to shareholders and other Common Share activity.  For the six months ended June 30, 2022, key drivers were:

• Repaid $263.9 million of mortgage loans (inclusive of scheduled principal repayments);

• Acquired our joint venture partner’s 25% interest in an apartment property for $32.2 million;

• Issued Common Shares related to share option exercises and ESPP purchases and received net proceeds of $21.3 million, which were contributed to the capital of the Operating Partnership in exchange for additional OP Units (on a one-for-one Common Share per OP Unit basis); and

• Paid dividends/distributions on Common Shares, Preferred Shares, Units (including OP Units and restricted units) and noncontrolling interests in partially owned properties totaling approximately $495.5 million.

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Short-Term Liquidity and Cash Proceeds

The Company generally expects to meet its short-term liquidity requirements, including capital expenditures related to maintaining its existing properties and scheduled unsecured note and mortgage note repayments, through its working capital, net cash provided by operating activities and borrowings under the Company’s revolving credit facility and commercial paper program.  Currently, the Company considers its cash provided by operating activities to be adequate to meet operating requirements and payments of distributions.

The following table presents the Company’s balances for cash and cash equivalents, restricted deposits and the available borrowing capacity on its revolving credit facility as of June 30, 2022 and December 31, 2021 (amounts in thousands): 

	June 30, 2022		December 31, 2021
Cash and cash equivalents	$	45,010	$	123,832
Restricted deposits	$	73,641	$	236,404
Unsecured revolving credit facility availability	$	2,311,500	$	2,181,372

Credit Facility and Commercial Paper Program

The Company has a $2.5 billion unsecured revolving credit facility maturing November 1, 2024.  The Company has the ability to increase available borrowings by an additional $750.0 million by adding lenders to the facility, obtaining the agreement of existing lenders to increase their commitments or incurring one or more term loans.  The interest rate on advances under the facility will generally be the London Interbank Offered Rate (“LIBOR”) plus a spread (currently 0.775%), or based on bids received from the lending group, and the Company pays an annual facility fee (currently 0.125%).  Both the spread and the facility fee are dependent on the Company’s senior unsecured credit rating.

The unsecured revolving credit agreement contains provisions that establish a process for entering into an amendment to replace LIBOR under certain circumstances, such as the anticipated phase-out of LIBOR.

The Company may borrow up to a maximum of $1.0 billion under its commercial paper program subject to market conditions.  The notes will be sold under customary terms in the United States commercial paper note market and will rank pari passu with all of the Company’s other unsecured senior indebtedness.

The Company limits its utilization of the revolving credit facility in order to maintain liquidity to support its $1.0 billion commercial paper program along with certain other obligations.  The following table presents the availability on the Company’s unsecured revolving credit facility as of July 22, 2022 (amounts in thousands):

	July 22, 2022
Unsecured revolving credit facility commitment	$	2,500,000
Commercial paper balance outstanding		(35,037	)
Unsecured revolving credit facility balance outstanding		—
Other restricted amounts		(3,463	)
Unsecured revolving credit facility availability	$	2,461,500

Dividend Policy

The Company declared a dividend/distribution for the first and second quarters of 2022 of $0.625 per share/unit in each quarter, an annualized increase of 3.7% over the amount paid in 2021.  All future dividends/distributions remain subject to the discretion of the Company’s Board of Trustees.

Total dividends/distributions paid in July 2022 amounted to $242.7 million (excluding distributions on Partially Owned Properties), which consisted of certain distributions declared during the quarter ended June 30, 2022.

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Long-Term Financing and Capital Needs

The Company expects to meet its long-term liquidity requirements, such as lump sum unsecured note and mortgage debt maturities, property acquisitions and financing of development activities, through the issuance of secured and unsecured debt and equity securities (including additional OP Units), proceeds received from the disposition of certain properties and joint ventures, along with cash generated from operations after all distributions.  The Company has a significant number of unencumbered properties available to secure additional mortgage borrowings should unsecured capital be unavailable or the cost of alternative sources of capital be too high.  The value of and cash flow from these unencumbered properties are in excess of the requirements the Company must maintain in order to comply with covenants under its unsecured notes and line of credit.  Of the $28.3 billion in investment in real estate on the Company’s balance sheet at June 30, 2022, $24.7 billion or 87.2% was unencumbered.  However, there can be no assurances that these sources of capital will be available to the Company in the future on acceptable terms or otherwise.

EQR issues equity and guarantees certain debt of the Operating Partnership from time to time.  EQR does not have any indebtedness as all debt is incurred by the Operating Partnership.

The Company’s total debt summary schedule as of June 30, 2022 is as follows:

Debt Summary as of June 30, 2022

($ in thousands)

	Debt Balances		% of Total
Secured	$	1,944,404		24.4	%
Unsecured		6,023,639		75.6	%
Total	$	7,968,043		100.0	%
Fixed Rate Debt:
Secured – Conventional	$	1,634,255		20.5	%
Unsecured – Public		5,838,693		73.3	%
Fixed Rate Debt		7,472,948		93.8	%
Floating Rate Debt:
Secured – Conventional		74,624		0.9	%
Secured – Tax Exempt		235,525		3.0	%
Unsecured – Revolving Credit Facility		—		—
Unsecured – Commercial Paper Program		184,946		2.3	%
Floating Rate Debt		495,095		6.2	%
Total	$	7,968,043		100.0	%

The Company’s long-term financing and capital needs have not changed materially from the information included in the Company's and the Operating Partnership's Annual Report on Form 10-K for the year ended December 31, 2021.

Definitions

The definition of certain terms described above or below are as follows:

• Acquisition Cap Rate – NOI that the Company anticipates receiving in the next 12 months (or the year two or three stabilized NOI for properties that are in lease-up at acquisition) less an estimate of property management costs/management fees allocated to the project (generally ranging from 2.0% to 4.0% of revenues depending on the size and income streams of the asset) and less an estimate for in-the-unit replacement capital expenditures (generally ranging from $100-$450 per apartment unit depending on the age and condition of the asset) divided by the gross purchase price of the asset.  The weighted average Acquisition Cap Rate for acquired properties is weighted based on the projected NOI streams and the relative purchase price for each respective property.

• Average Rental Rate – Total Residential rental revenues reflected on a straight-line basis in accordance with GAAP divided by the weighted average occupied apartment units for the reporting period presented.

• Disposition Yield – NOI that the Company anticipates giving up in the next 12 months less an estimate of property management costs/management fees allocated to the project (generally ranging from 2.0% to 4.0% of revenues depending on the size and income streams of the asset) and less an estimate for in-the-unit replacement capital expenditures

44

(generally ranging from $100-$450 per apartment unit depending on the age and condition of the asset) divided by the gross sales price of the asset.  The weighted average Disposition Yield for sold properties is weighted based on the projected NOI streams and the relative sales price for each respective property.

• Leasing Concessions – Reflects upfront discounts on both new move-in and renewal leases on a straight-line basis.

• Non-Residential – Consists of revenues and expenses from retail and public parking garage operations.

• Non-Same Store Properties – For annual comparisons, primarily includes all properties acquired during 2021 and 2022, plus any properties in lease-up and not stabilized as of January 1, 2021.

• Percentage of Residents Renewing – Leases renewed expressed as a percentage of total renewal offers extended during the reporting period.

• Physical Occupancy – The weighted average occupied apartment units for the reporting period divided by the average of total apartment units available for rent for the reporting period.

• Residential – Consists of multifamily apartment revenues and expenses.

• Same Store Properties – For annual comparisons, primarily includes all properties acquired or completed that are stabilized prior to January 1, 2021, less properties subsequently sold.  Properties are included in Same Store when they are stabilized for all of the current and comparable periods presented.

• Same Store Residential Revenues – Revenues from our same store properties presented on a GAAP basis which reflects the impact of Leasing Concessions on a straight-line basis.

• Turnover – Total Residential move-outs (including inter-property and intra-property transfers) divided by total Residential apartment units.

• Unlevered Internal Rate of Return (“IRR”) – The Unlevered IRR on sold properties is the compound annual rate of return calculated by the Company based on the timing and amount of: (i) the gross purchase price of the property plus any direct acquisition costs incurred by the Company; (ii) total revenues earned during the Company’s ownership period; (iii) total direct property operating expenses (including real estate taxes and insurance) incurred during the Company’s ownership period; (iv) capital expenditures incurred during the Company’s ownership period; and (v) the gross sales price of the property net of selling costs.

Critical Accounting Policies and Estimates

The Company’s and the Operating Partnership’s critical accounting policies and estimates have not changed from the information included in the Company’s and the Operating Partnership’s Annual Report on Form 10-K for the year ended December 31, 2021.

45

Funds From Operations and Normalized Funds From Operations

The following is the Company’s and the Operating Partnership’s reconciliation of net income to FFO available to Common Shares and Units / Units and Normalized FFO available to Common Shares and Units / Units for the six months and quarters ended June 30, 2022 and 2021:

Funds From Operations and Normalized Funds From Operations

(Amounts in thousands)

	Six Months Ended June 30,						Quarter Ended June 30,
	2022			2021			2022			2021
Net income	$	306,476		$	388,404		$	232,678		$	328,040
Net (income) loss attributable to Noncontrolling    Interests – Partially Owned Properties		(1,583	)		(1,423	)		(944	)		(741	)
Preferred/preference distributions		(1,545	)		(1,545	)		(773	)		(772	)
Net income available to Common Shares and Units / Units		303,348			385,436			230,961			326,527
Adjustments:
Depreciation		453,767			400,635			223,806			200,673
Depreciation – Non-real estate additions		(2,114	)		(2,176	)		(1,062	)		(1,076	)
Depreciation – Partially Owned Properties		(1,554	)		(1,682	)		(661	)		(854	)
Depreciation – Unconsolidated Properties		1,240			1,233			620			616
Net (gain) loss on sales of unconsolidated entities - operating assets		(9	)		(4	)		—			—
Net (gain) loss on sales of real estate properties		(107,795	)		(223,695	)		(107,897	)		(223,738	)
FFO available to Common Shares and Units / Units (1) (3) (4)		646,883			559,747			345,767			302,148
Adjustments:
Impairment – non-operating assets		—			—			—			—
Write-off of pursuit costs		2,515			2,647			1,052			1,316
Debt extinguishment and preferred share redemption (gains) losses		469			264			469			—
Non-operating asset (gains) losses		(1,330	)		(23,308	)		312			(24,162	)
Other miscellaneous items		(185	)		3,341			186			1,099
Normalized FFO available to Common Shares and Units / Units (2) (3) (4)	$	648,352		$	542,691		$	347,786		$	280,401
FFO (1) (3)	$	648,428		$	561,292		$	346,540		$	302,920
Preferred/preference distributions		(1,545	)		(1,545	)		(773	)		(772	)
FFO available to Common Shares and Units / Units (1) (3) (4)	$	646,883		$	559,747		$	345,767		$	302,148
Normalized FFO (2) (3)	$	649,897		$	544,236		$	348,559		$	281,173
Preferred/preference distributions		(1,545	)		(1,545	)		(773	)		(772	)
Normalized FFO available to Common Shares and Units / Units (2) (3) (4)	$	648,352		$	542,691		$	347,786		$	280,401

(1) The National Association of Real Estate Investment Trusts (“Nareit”) defines funds from operations (“FFO”) (December 2018 White Paper) as net income (computed in accordance with accounting principles generally accepted in the United States (“GAAP”)), excluding gains or losses from sales and impairment write-downs of depreciable real estate and land when connected to the main business of a REIT, impairment write-downs of investments in entities when the impairment is directly attributable to decreases in the value of depreciable real estate held by the entity and depreciation and amortization related to real estate.  Adjustments for partially owned consolidated and unconsolidated partnerships and joint ventures are calculated to reflect funds from operations on the same basis.  

(2) Normalized funds from operations (“Normalized FFO”) begins with FFO and excludes:

• the impact of any expenses relating to non-operating asset impairment;

• pursuit cost write-offs;

• gains and losses from early debt extinguishment and preferred share redemptions;

• gains and losses from non-operating assets; and

• other miscellaneous items.

(3) The Company believes that FFO and FFO available to Common Shares and Units / Units are helpful to investors as supplemental measures of the operating performance of a real estate company, because they are recognized measures of performance by the real estate industry and by excluding gains or losses from sales and impairment write-downs of depreciable real estate and excluding depreciation related to real estate (which can vary among owners of identical assets in similar condition based on historical cost accounting and useful life estimates), FFO and FFO available to Common Shares and Units / Units can help compare the operating performance of a company’s real estate between periods or as compared to different companies.  The Company also believes that Normalized FFO and Normalized FFO available to Common Shares

46

and Units / Units are helpful to investors as supplemental measures of the operating performance of a real estate company because they allow investors to compare the Company’s operating performance to its performance in prior reporting periods and to the operating performance of other real estate companies without the effect of items that by their nature are not comparable from period to period and tend to obscure the Company’s actual operating results.  FFO, FFO available to Common Shares and Units / Units, Normalized FFO and Normalized FFO available to Common Shares and Units / Units do not represent net income, net income available to Common Shares / Units or net cash flows from operating activities in accordance with GAAP.  Therefore, FFO, FFO available to Common Shares and Units / Units, Normalized FFO and Normalized FFO available to Common Shares and Units / Units should not be exclusively considered as alternatives to net income, net income available to Common Shares / Units or net cash flows from operating activities as determined by GAAP or as a measure of liquidity.  The Company’s calculation of FFO, FFO available to Common Shares and Units / Units, Normalized FFO and Normalized FFO available to Common Shares and Units / Units may differ from other real estate companies due to, among other items, variations in cost capitalization policies for capital expenditures and, accordingly, may not be comparable to such other real estate companies.  

(4) FFO available to Common Shares and Units / Units and Normalized FFO available to Common Shares and Units / Units are calculated on a basis consistent with net income available to Common Shares / Units and reflects adjustments to net income for preferred distributions and premiums on redemption of preferred shares/preference units in accordance with GAAP.  The equity positions of various individuals and entities that contributed their properties to the Operating Partnership in exchange for OP Units are collectively referred to as the “Noncontrolling Interests – Operating Partnership”.  Subject to certain restrictions, the Noncontrolling Interests – Operating Partnership may exchange their OP Units for Common Shares on a one-for-one basis.

Item 3.  Quantitative and Qualitative Disclosures About Market Risk

The Company’s and the Operating Partnership’s market risk has not changed materially from the amounts and information reported in Part II, Item 7A, Quantitative and Qualitative Disclosures About Market Risk, to the Company’s and the Operating Partnership’s Annual Report on Form 10-K for the year ended December 31, 2021.  See Note 10 in the Notes to Consolidated Financial Statements for additional discussion of fair value measurements.

Item 4.  Controls and Procedures

Equity Residential

(a) Evaluation of Disclosure Controls and Procedures:

Effective as of June 30, 2022, the Company carried out an evaluation, under the supervision and with the participation of the Company’s management, including the Chief Executive Officer and Chief Financial Officer, of the effectiveness of the Company’s disclosure controls and procedures pursuant to Exchange Act Rules 13a-15 and 15d-15.  Based on that evaluation, the Chief Executive Officer and Chief Financial Officer concluded that the disclosure controls and procedures are effective to ensure that information required to be disclosed by the Company in its Exchange Act filings is recorded, processed, summarized and reported within the time periods specified in the SEC’s rules and forms.

(b) Changes in Internal Control over Financial Reporting:

There were no changes to the internal control over financial reporting of the Company identified in connection with the Company’s evaluation referred to above that occurred during the second quarter of 2022 that have materially affected, or are reasonably likely to materially affect, the Company’s internal control over financial reporting.

ERP Operating Limited Partnership

(a) Evaluation of Disclosure Controls and Procedures:

Effective as of June 30, 2022, the Operating Partnership carried out an evaluation, under the supervision and with the participation of the Operating Partnership’s management, including the Chief Executive Officer and Chief Financial Officer of EQR, of the effectiveness of the Operating Partnership’s disclosure controls and procedures pursuant to Exchange Act Rules 13a-15 and 15d-15.  Based on that evaluation, the Chief Executive Officer and Chief Financial Officer concluded that the disclosure controls and procedures are effective to ensure that information required to be disclosed by the Operating Partnership in its Exchange Act filings is recorded, processed, summarized and reported within the time periods specified in the SEC’s rules and forms.

(b) Changes in Internal Control over Financial Reporting:

There were no changes to the internal control over financial reporting of the Operating Partnership identified in connection with the Operating Partnership’s evaluation referred to above that occurred during the second quarter of 2022 that have materially affected, or are reasonably likely to materially affect, the Operating Partnership’s internal control over financial reporting.

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PART II.  OTHER INFORMATION

Item 1.  Legal Proceedings

As of June 30, 2022, the Company does not believe there is any litigation pending or threatened against it that, individually or in the aggregate, may reasonably be expected to have a material adverse effect on the Company.

Item 1A.  Risk Factors

There have been no material changes to the risk factors that were discussed in Part I, Item 1A of the Company’s and the Operating Partnership’s Annual Report on Form 10-K for the year ended December 31, 2021.

Item 2.  Unregistered Sales of Equity Securities and Use of Proceeds

During the quarter ended June 30, 2022, EQR issued 24,333 Common Shares in exchange for 24,333 OP Units held by various limited partners of ERPOP.  OP Units are generally exchangeable into Common Shares on a one-for-one basis or, at the option of ERPOP, the cash equivalent thereof, at any time one year after the date of issuance.  These shares were either registered under the Securities Act of 1933, as amended (the “Securities Act”), or issued in reliance on an exemption from registration under Section 4(a)(2) of the Securities Act and the rules and regulations promulgated thereunder, as these were transactions by an issuer not involving a public offering.  In light of the manner of the sale and information obtained by EQR from the limited partners in connection with these transactions, EQR believes it may rely on these exemptions.

Item 3.  Defaults Upon Senior Securities

None.

Item 4.  Mine Safety Disclosures

Not applicable.

Item 5.  Other Information

None.

Item 6.  Exhibits – See the Exhibit Index.

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EXHIBIT INDEX

The exhibits listed below are filed as part of this report.  References to exhibits or other filings under the caption “Location” indicate that the exhibit or other filing has been filed, that the indexed exhibit and the exhibit referred to are the same and that the exhibit referred to is incorporated by reference.  The Commission file numbers for our Exchange Act filings referenced below are 1-12252 (Equity Residential) and 0-24920 (ERP Operating Limited Partnership).

Exhibit	Description	Location
10.1	Distribution Agreement, dated May 18, 2022.	Included as Exhibit 1.1 to Equity Residential's and ERP Operating Limited Partnership's Form 8-K dated and filed on May 18, 2022.
10.2	Form of Master Forward Sale Confirmation.	Included as Exhibit 1.2 to Equity Residential's and ERP Operating Limited Partnership's Form 8-K dated and filed on May 18, 2022.
31.1	Equity Residential – Certification of Mark J. Parrell, Chief Executive Officer.	Attached herein.
31.2	Equity Residential – Certification of Robert A. Garechana, Chief Financial Officer.	Attached herein.
31.3	ERP Operating Limited Partnership – Certification of Mark J. Parrell, Chief Executive Officer of Registrant’s General Partner.	Attached herein.
31.4	ERP Operating Limited Partnership – Certification of Robert A. Garechana, Chief Financial Officer of Registrant’s General Partner.	Attached herein.
32.1	Equity Residential – Certification pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, of Mark J. Parrell, Chief Executive Officer of the Company.	Attached herein.
32.2	Equity Residential – Certification pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, of Robert A. Garechana, Chief Financial Officer of the Company.	Attached herein.
32.3	ERP Operating Limited Partnership – Certification pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, of Mark J. Parrell, Chief Executive Officer of Registrant’s General Partner.	Attached herein.
32.4	ERP Operating Limited Partnership – Certification pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, of Robert A. Garechana, Chief Financial Officer of Registrant’s General Partner.	Attached herein.
101.INS	Inline XBRL Instance Document – the instance document does not appear in the Interactive Data File because XBRL tags are embedded within the Inline XBRL document.
101.SCH	Inline XBRL Taxonomy Extension Schema Document.
101.CAL	Inline XBRL Taxonomy Extension Calculation Linkbase Document.
101.DEF	Inline XBRL Taxonomy Extension Definition Linkbase Document.
101.LAB	Inline XBRL Taxonomy Extension Label Linkbase Document.
101.PRE	Inline XBRL Taxonomy Extension Presentation Linkbase Document.
104	Cover Page Interactive Data File (embedded within the Inline XBRL document).

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SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, each registrant has duly caused this report to be signed on its behalf by the undersigned thereunto duly authorized.

		EQUITY RESIDENTIAL
Date:	July 29, 2022	By:	/s/ Robert A. Garechana
			Robert A. Garechana
			Executive Vice President and Chief Financial Officer
			(Principal Financial Officer)
Date:	July 29, 2022	By:	/s/ Ian S. Kaufman
			Ian S. Kaufman
			Senior Vice President and Chief Accounting Officer
			(Principal Accounting Officer)

		ERP OPERATING LIMITED PARTNERSHIP BY: EQUITY RESIDENTIAL ITS GENERAL PARTNER
Date:	July 29, 2022	By:	/s/ Robert A. Garechana
			Robert A. Garechana
			Executive Vice President and Chief Financial Officer
			(Principal Financial Officer)
Date:	July 29, 2022	By:	/s/ Ian S. Kaufman
			Ian S. Kaufman
			Senior Vice President and Chief Accounting Officer
			(Principal Accounting Officer)

EX-31.1

Exhibit 31.1

Equity Residential

CERTIFICATIONS

I, Mark J. Parrell, certify that:

1. I have reviewed this quarterly report on Form 10-Q of EquityResidential;

2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessarytomakethestatementsmade,inlightofthecircumstancesunderwhichsuchstatementsweremade,notmisleading with respect to the period covered by thisreport;

3. Basedonmyknowledge,thefinancialstatements,andotherfinancialinformationincludedinthisreport,fairlypresentinall material respects the financial condition, results of operations and cash flows of the registrant as of, and for, the periods presented in thisreport;

4. The registrant’s other certifying officer(s) and I are responsible for establishing and maintaining disclosure controls and procedures (as defined in Exchange Act Rules 13a-15(e) and 15d-15(e)) and internal control over financial reporting (as defined in Exchange Act Rules 13a-15(f) and 15d-15(f)) for the registrant andhave:

a) Designed such disclosure controls and procedures, or caused such disclosure controls and procedures to be designed under our supervision, to ensure that material information relating to the registrant, including its consolidated subsidiaries, is made known to us by others within those entities, particularly during the period in which this report is being prepared;

b) Designed such internal control over financial reporting, or caused such internal control over financial reporting to be designed under our supervision, to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with generally accepted accounting principles;

c) Evaluated the effectiveness of the registrant’s disclosure controls and procedures and presented in this report our conclusions about the effectiveness of the disclosure controls and procedures, as of the end of the period covered by this report based on such evaluation; and

d) Disclosed in this report any change in the registrant’s internal control over financial reporting that occurred during the registrant’s most recent fiscal quarter (the registrant’s fourth fiscal quarter in the case of an annual report) that has materially affected, or is reasonably likely to materially affect, the registrant’s internal control over financial reporting; and

5. The registrant’s other certifying officer(s) and I have disclosed, based on our most recent evaluation of internal control over financial reporting, to the registrant’s auditors and the audit committee of the registrant’s board of directors (or persons performing the equivalentfunctions):

a) All significant deficiencies and material weaknesses in the design or operation of internal control over financial reporting which are reasonably likely to adversely affect the registrant’s ability to record, process, summarize and report financial information; and

b) Any fraud, whether or not material, that involves management or other employees who have a significant role in the registrant’s internal control over financial reporting.

Date: July 29, 2022

/s/ Mark J. Parrell

    Mark J. Parrell

    Chief Executive Officer

EX-31.2

Exhibit 31.2

Equity Residential

CERTIFICATIONS

I, Robert A. Garechana, certify that:

1. I have reviewed this quarterly report on Form 10-Q of Equity Residential;

2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessarytomakethestatementsmade,inlightofthecircumstancesunderwhichsuchstatementsweremade,notmisleading with respect to the period covered by thisreport;

3. Basedonmyknowledge,thefinancialstatements,andotherfinancialinformationincludedinthisreport,fairlypresentinall material respects the financial condition, results of operations and cash flows of the registrant as of, and for, the periods presented in thisreport;

4. The registrant’s other certifying officer(s) and I are responsible for establishing and maintaining disclosure controls and procedures (as defined in Exchange Act Rules 13a-15(e) and 15d-15(e)) and internal control over financial reporting (as defined in Exchange Act Rules 13a-15(f) and 15d-15(f)) for the registrant and have:

a) Designed such disclosure controls and procedures, or caused such disclosure controls and procedures to be designed under our supervision, to ensure that material information relating to the registrant, including its consolidated subsidiaries, is made known to us by others within those entities, particularly during the period in which this report is being prepared;

b) Designed such internal control over financial reporting, or caused such internal control over financial reporting to be designed under our supervision, to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with generally accepted accounting principles;

c) Evaluated the effectiveness of the registrant’s disclosure controls and procedures and presented in this report our conclusions about the effectiveness of the disclosure controls and procedures, as of the end of the period covered by this report based on such evaluation; and

d) Disclosed in this report any change in the registrant’s internal control over financial reporting that occurred during the registrant’s most recent fiscal quarter (the registrant’s fourth fiscal quarter in the case of an annual report) that has materially affected, or is reasonably likely to materially affect, the registrant’s internal control over financial reporting; and

5. The registrant’s other certifying officer(s) and I have disclosed, based on our most recent evaluation of internal control over financial reporting, to the registrant’s auditors and the audit committee of the registrant’s board of directors (or persons performing the equivalent functions):

a) All significant deficiencies and material weaknesses in the design or operation of internal control over financial reporting which are reasonably likely to adversely affect the registrant’s ability to record, process, summarize and report financial information; and

b) Any fraud, whether or not material, that involves management or other employees who have a significant role in the registrant’s internal control over financial reporting.

Date: July 29, 2022

/s/ Robert A. Garechana

    Robert A. Garechana

    Chief Financial Officer

EX-31.3

Exhibit 31.3

ERP Operating Limited Partnership

CERTIFICATIONS

I, Mark J. Parrell, certify that:

1. I have reviewed this quarterly report on Form 10-Q of ERP Operating Limited Partnership;

2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this report;

3. Basedonmyknowledge,thefinancialstatements,andotherfinancialinformationincludedinthisreport,fairlypresentinall material respects the financial condition, results of operations and cash flows of the registrant as of, and for, the periods presented in thisreport;

4. The registrant’s other certifying officer(s) and I are responsible for establishing and maintaining disclosure controls and procedures (as defined in Exchange Act Rules 13a-15(e) and 15d-15(e)) and internal control over financial reporting (as defined in Exchange Act Rules 13a-15(f) and 15d-15(f)) for the registrant and have:

a) Designed such disclosure controls and procedures, or caused such disclosure controls and procedures to be designed under our supervision, to ensure that material information relating to the registrant, including its consolidated subsidiaries, is made known to us by others within those entities, particularly during the period in which this report is being prepared;

b) Designed such internal control over financial reporting, or caused such internal control over financial reporting to be designed under our supervision, to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with generally accepted accounting principles;

c) Evaluated the effectiveness of the registrant’s disclosure controls and procedures and presented in this report our conclusions about the effectiveness of the disclosure controls and procedures, as of the end of the period covered by this report based on such evaluation; and

d) Disclosed in this report any change in the registrant’s internal control over financial reporting that occurred during the registrant’s most recent fiscal quarter (the registrant’s fourth fiscal quarter in the case of an annual report) that has materially affected, or is reasonably likely to materially affect, the registrant’s internal control over financial reporting; and

5. The registrant’s other certifying officer(s) and I have disclosed, based on our most recent evaluation of internal control over financial reporting, to the registrant’s auditors and the audit committee of the registrant’s board of directors (or persons performing the equivalent functions):

a) All significant deficiencies and material weaknesses in the design or operation of internal control over financial reporting which are reasonably likely to adversely affect the registrant’s ability to record, process, summarize and report financial information; and

b) Any fraud, whether or not material, that involves management or other employees who have a significant role in the registrant’s internal control over financial reporting.

Date: July 29, 2022

/s/ Mark J. Parrell

    Mark J. Parrell

    Chief Executive Officer of Registrant’s General Partner

EX-31.4

Exhibit 31.4

ERP Operating Limited Partnership

CERTIFICATIONS

I, Robert A. Garechana, certify that:

1. I have reviewed this quarterly report on Form 10-Q of ERP Operating Limited Partnership;

2. Basedonmyknowledge,thisreportdoesnotcontainanyuntruestatementofamaterialfactoromittostateamaterial factnecessarytomakethestatementsmade,inlightofthecircumstancesunderwhichsuchstatementsweremade,not misleading with respect to the period covered by thisreport;

3. Basedonmyknowledge,thefinancialstatements,andotherfinancialinformationincludedinthisreport,fairlypresentinall material respects the financial condition, results of operations and cash flows of the registrant as of, and for, the periods presented in thisreport;

4. The registrant’s other certifying officer(s) and I are responsible for establishing and maintaining disclosure controls and procedures (as defined in Exchange Act Rules 13a-15(e) and 15d-15(e)) and internal control over financial reporting (as defined in Exchange Act Rules 13a-15(f) and 15d-15(f)) for the registrant and have:

a) Designed such disclosure controls and procedures, or caused such disclosure controls and procedures to be designed under our supervision, to ensure that material information relating to the registrant, including its consolidated subsidiaries, is made known to us by others within those entities, particularly during the period in which this report is being prepared;

b) Designed such internal control over financial reporting, or caused such internal control over financial reporting to be designed under our supervision, to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with generally accepted accounting principles;

c) Evaluated the effectiveness of the registrant’s disclosure controls and procedures and presented in this report our conclusions about the effectiveness of the disclosure controls and procedures, as of the end of the period covered by this report based on such evaluation; and

d) Disclosed in this report any change in the registrant’s internal control over financial reporting that occurred during the registrant’s most recent fiscal quarter (the registrant’s fourth fiscal quarter in the case of an annual report) that has materially affected, or is reasonably likely to materially affect, the registrant’s internal control over financial reporting; and

5. The registrant’s other certifying officer(s) and I have disclosed, based on our most recent evaluation of internal control over financial reporting, to the registrant’s auditors and the audit committee of the registrant’s board of directors (or persons performing the equivalent functions):

a) All significant deficiencies and material weaknesses in the design or operation of internal control over financial reporting which are reasonably likely to adversely affect the registrant’s ability to record, process, summarize and report financial information; and

b) Any fraud, whether or not material, that involves management or other employees who have a significant role in the registrant’s internal control over financial reporting.

Date: July 29, 2022

/s/ Robert A. Garechana

    Robert A. Garechana

    Chief Financial Officer of Registrant’s General Partner

EX-32.1

Exhibit 32.1

Equity Residential

CERTIFICATION PURSUANT TO

18 U.S.C. SECTION 1350,

AS ADOPTED PURSUANT TO

SECTION906OFTHESARBANES-OXLEYACTOF2002

InconnectionwiththeQuarterlyReportofEquityResidential(the“Company”)onForm10-Qfortheperiodending June 30, 2022as filed with the Securities and Exchange Commission on the date hereof (the “Report”), I, Mark J. Parrell, Chief ExecutiveOfficeroftheCompany,certify,pursuantto18U.S.C.§1350,asadoptedpursuantto§906oftheSarbanes-OxleyAct of 2002, that, to the best of myknowledge:

(1) The Report fully complies with the requirements of section 13(a) or 15(d) of the Securities Exchange Act of 1934; and

(2) The information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Company.

/s/ Mark J. Parrell

Mark J.Parrell

Chief Executive Officer

July 29, 2022

EX-32.2

Exhibit 32.2

Equity Residential

CERTIFICATION PURSUANT TO

18 U.S.C. SECTION 1350,

AS ADOPTED PURSUANT TO

SECTION906OFTHESARBANES-OXLEYACTOF2002

InconnectionwiththeQuarterlyReportofEquityResidential(the“Company”)onForm10-QfortheperiodendingJune 30, 2022as filed with the Securities and Exchange Commission on the date hereof (the “Report”),I, Robert A. Garechana,ChiefFinancial OfficeroftheCompany,certify,pursuantto18U.S.C.§1350,asadoptedpursuantto§906oftheSarbanes-OxleyActof2002, that, to the best of myknowledge:

(1) The Report fully complies with the requirements of section 13(a) or 15(d) of the Securities Exchange Act of 1934; and

(2) The information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Company.

/s/ Robert A. Garechana

Robert A. Garechana

Chief Financial Officer

July 29, 2022

EX-32.3

Exhibit 32.3

ERP Operating Limited Partnership

CERTIFICATION PURSUANT TO

18 U.S.C. SECTION 1350,

AS ADOPTED PURSUANT TO

SECTION906OFTHESARBANES-OXLEYACTOF2002

In connection with the Quarterly Report of ERP Operating Limited Partnership (the “Operating Partnership”) on Form 10-QfortheperiodendingJune 30, 2022asfiledwiththeSecuritiesandExchangeCommissiononthedatehereof(the“Report”), I,MarkJ.Parrell,ChiefExecutiveOfficerofEquityResidential,generalpartneroftheOperatingPartnership,certify,pursuant to18U.S.C.§1350,asadoptedpursuantto§906oftheSarbanes-OxleyActof2002,that,tothebestofmyknowledge:

(1) The Report fully complies with the requirements of section 13(a) or 15(d) of the Securities Exchange Act of 1934; and

(2) The information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the OperatingPartnership.

/s/ Mark J. Parrell

Mark J. Parrell

Chief Executive Officer

of Registrant’s General Partner  

July 29, 2022

EX-32.4

Exhibit 32.4

ERP Operating Limited Partnership

CERTIFICATION PURSUANT TO

18 U.S.C. SECTION 1350,

AS ADOPTED PURSUANT TO

SECTION906OFTHESARBANES-OXLEYACTOF2002

In connection with the Quarterly Report of ERP Operating Limited Partnership (the “Operating Partnership”) on Form 10-QfortheperiodendingJune 30, 2022asfiledwiththeSecuritiesandExchangeCommissiononthedatehereof(the“Report”), I,Robert A. Garechana, ChiefFinancialOfficerofEquityResidential,generalpartneroftheOperatingPartnership,certify,pursuantto 18U.S.C.§1350,asadoptedpursuantto§906oftheSarbanes-OxleyActof2002,that,tothebestofmyknowledge:

(1) The Report fully complies with the requirements of section 13(a) or 15(d) of the Securities Exchange Act of 1934; and

(2) The information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the OperatingPartnership.

/s/ Robert A. Garechana

Robert A. Garechana

Chief Financial Officer

of Registrant’s General Partner

July 29, 2022

XML

Document and Entity Information - shares	6 Months Ended
	Jun. 30, 2022	Jul. 22, 2022
Document Information [Line Items]
Entity Registrant Name	EQUITY RESIDENTIAL
Entity Central Index Key	0000906107
Document Type	10-Q
Document Period End Date	Jun. 30, 2022
Amendment Flag	false
Document Fiscal Year Focus	2022
Document Fiscal Period Focus	Q2
Trading Symbol	EQR
Current Fiscal Year End Date	--12-31
Entity Filer Category	Large Accelerated Filer
Entity Small Business	false
Entity Emerging Growth Company	false
Entity Common Stock, Shares Outstanding		376,118,260
Entity Current Reporting Status	Yes
Entity Shell Company	false
Entity File Number	1-12252
Entity Tax Identification Number	13-3675988
Entity Address, Address Line One	Two North Riverside Plaza
Entity Address, City or Town	Chicago
Entity Address, State or Province	IL
Entity Address, Postal Zip Code	60606
City Area Code	312
Local Phone Number	474-1300
Entity Incorporation, State or Country Code	MD
Title of 12(b) Security	Common Shares of Beneficial Interest,$0.01 Par Value (Equity Residential)
Security Exchange Name	NYSE
Document Quarterly Report	true
Document Transition Report	false
Entity Interactive Data Current	Yes
ERPOP [Member]
Document Information [Line Items]
Entity Registrant Name	ERP OPERATING LIMITED PARTNERSHIP
Entity Central Index Key	0000931182
Document Type	10-Q
Document Period End Date	Jun. 30, 2022
Amendment Flag	false
Document Fiscal Year Focus	2022
Document Fiscal Period Focus	Q2
No Trading Symbol Flag	true
Current Fiscal Year End Date	--12-31
Entity Filer Category	Non-accelerated Filer
Entity Small Business	false
Entity Emerging Growth Company	false
Entity Current Reporting Status	Yes
Entity Shell Company	false
Entity File Number	0-24920
Entity Tax Identification Number	36-3894853
Entity Address, Address Line One	Two North Riverside Plaza
Entity Address, City or Town	Chicago
Entity Address, State or Province	IL
Entity Address, Postal Zip Code	60606
City Area Code	312
Local Phone Number	474-1300
Entity Incorporation, State or Country Code	IL
Title of 12(b) Security	7.57% Notes due August 15, 2026(ERP Operating Limited Partnership)
Security Exchange Name	NYSE
Document Quarterly Report	true
Document Transition Report	false
Entity Interactive Data Current	Yes

XML

CONSOLIDATED BALANCE SHEETS (Unaudited) - USD ($) $ in Thousands	Jun. 30, 2022	Dec. 31, 2021
ASSETS
Land	$ 5,733,412	$ 5,814,790
Depreciable property	22,443,313	22,370,811
Projects under development	65,161	24,307
Land held for development	59,573	62,998
Investment in real estate	28,301,459	28,272,906
Accumulated depreciation	(8,740,806)	(8,354,282)
Investment in real estate, net	19,560,653	19,918,624
Investments in unconsolidated entities	169,272	127,448
Cash and cash equivalents	45,010	123,832
Restricted deposits	73,641	236,404
Right-of-use assets	468,834	474,713
Other assets	256,935	288,220
Total assets	20,574,345	21,169,241
Liabilities:
Mortgage notes payable, net	1,944,404	2,191,201
Notes, net	5,838,693	5,835,222
Line of credit and commercial paper	184,946	315,030
Accounts payable and accrued expenses	119,402	107,013
Accrued interest payable	69,037	69,510
Lease liabilities	310,513	312,335
Other liabilities	292,205	353,102
Security deposits	69,609	66,141
Distributions payable	242,667	233,502
Total liabilities	9,071,476	9,483,056
Commitments and contingencies
Redeemable Noncontrolling Interests – Operating Partnership	398,188	498,977
Shareholders' equity:
Preferred Shares of beneficial interest, $0.01 par value; 100,000,000 shares authorized; 745,600 shares issued and outstanding as of June 30, 2022 and December 31, 2021	37,280	37,280
Common Shares of beneficial interest, $0.01 par value; 1,000,000,000 shares authorized; 376,118,433 shares issued and outstanding as of June 30, 2022 and 375,527,195 shares issued and outstanding as of December 31, 2021	3,761	3,755
Paid in capital	9,229,738	9,121,122
Retained earnings	1,649,960	1,827,063
Accumulated other comprehensive income (loss)	(30,650)	(34,272)
Total shareholders’ equity	10,890,089	10,954,948
Noncontrolling Interests:
Operating Partnership	216,326	214,094
Partially Owned Properties	(1,734)	18,166
Total Noncontrolling Interests	214,592	232,260
Total equity	11,104,681	11,187,208
Total liabilities and equity	$ 20,574,345	$ 21,169,241

XML

CONSOLIDATED BALANCE SHEETS (Parenthetical) (Unaudited) - $ / shares	Jun. 30, 2022	Dec. 31, 2021
Statement Of Financial Position [Abstract]
Preferred Stock, Par or Stated Value Per Share	$ 0.01	$ 0.01
Preferred Stock, Shares Authorized	100,000,000	100,000,000
Preferred Stock, Shares Issued	745,600	745,600
Preferred Stock, Shares Outstanding	745,600	745,600
Common Stock, Par or Stated Value Per Share	$ 0.01	$ 0.01
Common Stock, Shares Authorized	1,000,000,000	1,000,000,000
Common Stock, Shares, Issued	376,118,433	375,527,195
Common Stock, Shares, Outstanding	376,118,433	375,527,195

XML

CONSOLIDATED STATEMENTS OF OPERATIONS (Unaudited) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
REVENUES
Rental income	$ 687,030	$ 598,059	$ 1,340,378	$ 1,195,661
EXPENSES
Property and maintenance	116,355	107,746	241,229	224,800
Real estate taxes and insurance	101,850	97,401	202,538	200,871
Property management	26,559	24,455	57,306	50,585
General and administrative	16,423	14,678	33,661	30,061
Depreciation	223,806	200,673	453,767	400,635
Total expenses	484,993	444,953	988,501	906,952
Net gain (loss) on sales of real estate properties	107,897	223,738	107,795	223,695
Operating income	309,934	376,844	459,672	512,404
Interest and other income	596	24,104	4,124	24,320
Other expenses	(2,380)	(3,342)	(5,436)	(7,452)
Interest:
Expense incurred, net	(71,889)	(67,124)	(144,681)	(134,482)
Amortization of deferred financing costs	(2,124)	(1,939)	(4,201)	(4,124)
Income before income and other taxes, income (loss) from investments in unconsolidated entities and net gain (loss) on sales of land parcels	234,137	328,543	309,478	390,666
Income and other tax (expense) benefit	(291)	(242)	(573)	(395)
Income (loss) from investments in unconsolidated entities	(1,168)	(261)	(2,429)	(1,872)
Net gain (loss) on sales of land parcels				5
Net income	232,678	328,040	306,476	388,404
Net (income) loss attributable to Noncontrolling Interests:
Operating Partnership	(7,633)	(10,913)	(10,027)	(13,056)
Partially Owned Properties	(944)	(741)	(1,583)	(1,423)
Net income attributable to controlling interests	224,101	316,386	294,866	373,925
Preferred distributions	(773)	(772)	(1,545)	(1,545)
Net income available to Common Shares	$ 223,328	$ 315,614	$ 293,321	$ 372,380
Earnings per share – basic:
Net income available to Common Shares	$ 0.59	$ 0.84	$ 0.78	$ 1.00
Weighted average Common Shares outstanding	375,769	373,812	375,640	373,050
Earnings per share – diluted:
Net income available to Common Shares	$ 0.59	$ 0.84	$ 0.78	$ 1.00
Weighted average Common Shares outstanding	389,363	387,820	389,463	387,367

XML

CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (Unaudited) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Comprehensive income:
Net income	$ 232,678	$ 328,040	$ 306,476	$ 388,404
Other comprehensive income (loss) – derivative instruments:
Unrealized holding gains (losses) arising during the period	(1,259)		(1,259)
Losses reclassified into earnings from other comprehensive income	2,456	2,334	4,881	4,637
Other comprehensive income (loss)	1,197	2,334	3,622	4,637
Comprehensive income	233,875	330,374	310,098	393,041
Comprehensive (income) attributable to Noncontrolling Interests	(8,617)	(11,732)	(11,730)	(14,641)
Comprehensive income attributable to controlling interests	$ 225,258	$ 318,642	$ 298,368	$ 378,400

XML

CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021
CASH FLOWS FROM OPERATING ACTIVITIES:
Net income	$ 306,476	$ 388,404
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation	453,767	400,635
Amortization of deferred financing costs	4,201	4,124
Amortization of above/below market lease intangibles		(154)
Amortization of discounts and premiums on debt	2,891	2,593
Amortization of deferred settlements on derivative instruments	4,875	4,631
Amortization of right-of-use assets	6,103	7,308
Write-off of pursuit costs	2,515	2,647
(Income) loss from investments in unconsolidated entities	2,429	1,872
Distributions from unconsolidated entities – return on capital	164
Net (gain) loss on sales of real estate properties	(107,795)	(223,695)
Net (gain) loss on sales of land parcels		(5)
Realized (gain) loss on sale of investment securities	(2,064)	(23,432)
Compensation paid with Company Common Shares	18,600	16,077
Changes in assets and liabilities:
(Increase) decrease in other assets	(2,096)	(4,462)
Increase (decrease) in accounts payable and accrued expenses	22,615	6,514
Increase (decrease) in accrued interest payable	(473)	(82)
Increase (decrease) in lease liabilities	(817)	(3,211)
Increase (decrease) in other liabilities	(23,985)	(5,387)
Increase (decrease) in security deposits	3,468	1,748
Net cash provided by operating activities	690,874	576,125
CASH FLOWS FROM INVESTING ACTIVITIES:
Investment in real estate – acquisitions	(113,046)	(281,426)
Investment in real estate – development/other	(55,491)	(125,156)
Capital expenditures to real estate	(83,304)	(66,443)
Non-real estate capital additions	(981)	(1,042)
Interest capitalized for real estate and unconsolidated entities under development	(2,267)	(8,176)
Proceeds from disposition of real estate, net	255,922	406,922
Investments in unconsolidated entities – development/other	(48,577)	(4,491)
Distributions from unconsolidated entities – return of capital	9	4
Purchase of investment securities and other investments	(1,034)	(166,945)
Proceeds from sale of investment securities	3,434	191,398
Net cash provided by (used for) investing activities	(45,335)	(55,355)
CASH FLOWS FROM FINANCING ACTIVITIES:
Debt financing costs	(228)	(362)
Mortgage notes payable, net:
Proceeds	14,586	47,759
Lump sum payoffs	(260,874)	(59,880)
Scheduled principal repayments	(2,985)	(3,713)
Line of credit and commercial paper:
Commercial paper proceeds	2,836,037	2,819,940
Commercial paper repayments	(2,966,121)	(2,603,000)
Finance ground lease principal payments	(1,229)	(232)
Proceeds from Employee Share Purchase Plan (ESPP)	2,378	2,667
Proceeds from exercise of options	18,928	39,623
Payment of offering costs	(487)
Other financing activities, net	(31)	(31)
Acquisition of Noncontrolling Interests – Partially Owned Properties	(32,178)
Contributions – Noncontrolling Interests – Partially Owned Properties	603
Contributions – Noncontrolling Interests – Operating Partnership	1
Distributions:
Common Shares	(461,605)	(448,983)
Preferred Shares	(1,545)	(1,545)
Noncontrolling Interests – Operating Partnership	(15,142)	(16,540)
Noncontrolling Interests – Partially Owned Properties	(17,232)	(3,700)
Net cash provided by (used for) financing activities	(887,124)	(227,997)
Net increase (decrease) in cash and cash equivalents and restricted deposits	(241,585)	292,773
Cash and cash equivalents and restricted deposits, beginning of period	360,236	99,728
Cash and cash equivalents and restricted deposits, end of period	118,651	392,501
Cash and cash equivalents	45,010	39,492
Restricted deposits	73,641	353,009
SUPPLEMENTAL INFORMATION:
Cash paid for interest, net of amounts capitalized	136,787	126,742
Net cash paid (received) for income and other taxes	687	888
Amortization of deferred financing costs:
Investment in real estate, net	(253)	(100)
Other assets	1,170	1,169
Mortgage notes payable, net	1,159	1,139
Notes, net	2,125	1,916
Amortization of discounts and premiums on debt:
Mortgage notes payable, net	1,545	1,374
Notes, net	1,346	1,219
Amortization of deferred settlements on derivative instruments:
Other liabilities	(6)	(6)
Accumulated other comprehensive income	4,881	4,637
Write-off of pursuit costs:
Investment in real estate, net	761	2,314
Investments in unconsolidated entities	1,637
Other assets	117	317
Accounts payable and accrued expenses		16
(Income) loss from investments in unconsolidated entities:
Investments in unconsolidated entities	1,797	1,216
Other liabilities	632	656
Realized/unrealized (gain) loss on derivative instruments:
Other liabilities	1,259
Accumulated other comprehensive income	(1,259)
Interest capitalized for real estate and unconsolidated entities under development:
Investment in real estate, net	(675)	(8,176)
Investments in unconsolidated entities	(1,592)
Investments in unconsolidated entities – other:
Investments in unconsolidated entities	(47,887)	(3,231)
Other liabilities	(690)	(1,260)
Debt financing costs:
Other assets		(44)
Mortgage notes payable, net	(228)	(318)
Right-of-use assets and lease liabilities initial measurement and reclassifications:
Right-of-use assets	(224)	11,308
Lease liabilities	224	(11,308)
Non-cash share distribution and other transfers from unconsolidated entities:
Investments in unconsolidated entities	4,048	1,429
Other assets	$ (4,048)	$ (1,429)

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CONSOLIDATED STATEMENTS OF CHANGES IN EQUITY (Unaudited) - USD ($) $ in Thousands	Total	PREFERRED SHARES	COMMON SHARES, $0.01 PAR VALUE	PAID IN CAPITAL	RETAINED EARNINGS	ACCUMULATED OTHER COMPREHENSIVE INCOME (LOSS)	DISTRIBUTIONS	OPERATING PARTNERSHIP	PARTIALLY OWNED PROPERTIES
Balance, beginning of year at Dec. 31, 2020		$ 37,280	$ 3,723	$ 9,128,599	$ 1,399,715	$ (43,666)
Balance, beginning of year at Dec. 31, 2020								$ 233,162	$ 4,673
COMMON SHARES, $0.01 PAR VALUE
Conversion of OP Units into Common Shares			11	66,649
Exercise of share options			8	39,615
Employee Share Purchase Plan (ESPP)			1	2,666
Share-based employee compensation expense:
Issuance of restricted units/shares			1	4,813
Share options				1,976
ESPP discount				633
Supplemental Executive Retirement Plan (SERP)				(2,057)
Change in market value of Redeemable Noncontrolling Interests - Operating Partnership	$ 101,966			(101,966)
Adjustment for Noncontrolling Interests ownership in Operating Partnership				(30,807)				30,807
PAID IN CAPITAL
Conversion of OP Units into Common Shares			11	66,649
Exercise of share options			8	39,615
Employee Share Purchase Plan (ESPP)			1	2,666
RETAINED EARNINGS
Net income attributable to controlling interests	373,925				373,925
Common Share distributions					(450,220)
Preferred Share distributions					(1,545)
Accumulated other comprehensive income (loss) - derivative instruments:
Losses reclassified into earnings from other comprehensive income	(4,637)					4,637
DISTRIBUTIONS
Distributions declared per Common Share outstanding							$ 1.205
NONCONTROLLING INTERESTS
Issuance of restricted units/shares			1	4,813
Conversion of OP Units held by Noncontrolling Interests into OP Units held by General Partner								(66,660)
Equity compensation associated with Noncontrolling Interests								10,531
Net income attributable to Noncontrolling Interests	13,056							13,056	1,423
Distributions to Noncontrolling Interests								(15,999)	(3,731)
Change in carrying value of Redeemable Noncontrolling Interests - Operating Partnership	(794)							794
Adjustment for Noncontrolling Interests ownership in Operating Partnership				(30,807)				30,807
PARTIALLY OWNED PROPERTIES
Net income attributable to Noncontrolling Interests	13,056							13,056	1,423
Distributions to Noncontrolling Interests								(15,999)	(3,731)
Balance, end of period at Jun. 30, 2021		37,280	3,744	9,110,121	1,321,875	(39,029)
Balance, end of period at Jun. 30, 2021								205,691	2,365
Balance, beginning of year at Mar. 31, 2021		37,280	3,729	9,083,346	1,231,808	(41,363)
Balance, beginning of year at Mar. 31, 2021								234,969	2,472
COMMON SHARES, $0.01 PAR VALUE
Conversion of OP Units into Common Shares			11	66,649
Exercise of share options			3	16,738
Employee Share Purchase Plan (ESPP)			1	935
Share-based employee compensation expense:
Issuance of restricted units/shares				2,540
Share options				988
ESPP discount				189
Supplemental Executive Retirement Plan (SERP)				(828)
Change in market value of Redeemable Noncontrolling Interests - Operating Partnership				(29,010)
Adjustment for Noncontrolling Interests ownership in Operating Partnership				(31,426)				31,426
PAID IN CAPITAL
Conversion of OP Units into Common Shares			11	66,649
Exercise of share options			3	16,738
Employee Share Purchase Plan (ESPP)			1	935
RETAINED EARNINGS
Net income attributable to controlling interests	316,386				316,386
Common Share distributions					(225,547)
Preferred Share distributions					(772)
Accumulated other comprehensive income (loss) - derivative instruments:
Losses reclassified into earnings from other comprehensive income	(2,334)					2,334
DISTRIBUTIONS
Distributions declared per Common Share outstanding							0.6025
NONCONTROLLING INTERESTS
Issuance of restricted units/shares				2,540
Conversion of OP Units held by Noncontrolling Interests into OP Units held by General Partner								(66,660)
Equity compensation associated with Noncontrolling Interests								4,043
Net income attributable to Noncontrolling Interests	10,913							10,913	741
Distributions to Noncontrolling Interests								(7,410)	(848)
Change in carrying value of Redeemable Noncontrolling Interests - Operating Partnership								(1,590)
Adjustment for Noncontrolling Interests ownership in Operating Partnership				(31,426)				31,426
PARTIALLY OWNED PROPERTIES
Net income attributable to Noncontrolling Interests	10,913							10,913	741
Distributions to Noncontrolling Interests								(7,410)	(848)
Balance, end of period at Jun. 30, 2021		37,280	3,744	9,110,121	1,321,875	(39,029)
Balance, end of period at Jun. 30, 2021								205,691	2,365
Balance, beginning of year at Dec. 31, 2021	10,954,948	37,280	3,755	9,121,122	1,827,063	(34,272)
Balance, beginning of year at Dec. 31, 2021	232,260							214,094	18,166
COMMON SHARES, $0.01 PAR VALUE
Conversion of OP Units into Common Shares				1,484
Exercise of share options			4	18,924
Employee Share Purchase Plan (ESPP)				2,378
Share-based employee compensation expense:
Issuance of restricted units/shares			2	7,359				1
Share options				1,390
ESPP discount				420
Offering costs				(487)
Supplemental Executive Retirement Plan (SERP)				(269)
Acquisition of Noncontrolling Interests – Partially Owned Properties				(27,355)					(4,823)
Change in market value of Redeemable Noncontrolling Interests - Operating Partnership	(98,140)			98,140
Adjustment for Noncontrolling Interests ownership in Operating Partnership				6,632				(6,632)
PAID IN CAPITAL
Conversion of OP Units into Common Shares				1,484
Exercise of share options			4	18,924
Employee Share Purchase Plan (ESPP)				2,378
RETAINED EARNINGS
Net income attributable to controlling interests	294,866				294,866
Common Share distributions					(470,424)
Preferred Share distributions					(1,545)
Accumulated other comprehensive income (loss) - derivative instruments:
Unrealized holding gains (losses) arising during the period	(1,259)					(1,259)
Losses reclassified into earnings from other comprehensive income	(4,881)					4,881
DISTRIBUTIONS
Distributions declared per Common Share outstanding							1.25
NONCONTROLLING INTERESTS
Issuance of restricted units/shares			2	7,359				1
Conversion of OP Units held by Noncontrolling Interests into OP Units held by General Partner								(1,484)
Equity compensation associated with Noncontrolling Interests								13,159
Net income attributable to Noncontrolling Interests	10,027							10,027	1,583
Distributions to Noncontrolling Interests								(15,488)	(17,263)
Change in carrying value of Redeemable Noncontrolling Interests - Operating Partnership	(2,649)							2,649
Adjustment for Noncontrolling Interests ownership in Operating Partnership				6,632				(6,632)
PARTIALLY OWNED PROPERTIES
Net income attributable to Noncontrolling Interests	10,027							10,027	1,583
Contributions by Noncontrolling Interests									603
Distributions to Noncontrolling Interests								(15,488)	(17,263)
Acquisition of Noncontrolling Interests – Partially Owned Properties				(27,355)					(4,823)
Balance, end of period at Jun. 30, 2022	10,890,089	37,280	3,761	9,229,738	1,649,960	(30,650)
Balance, end of period at Jun. 30, 2022	214,592							216,326	(1,734)
Balance, beginning of year at Mar. 31, 2022		37,280	3,760	9,142,969	1,661,705	(31,847)
Balance, beginning of year at Mar. 31, 2022								217,451	3,415
COMMON SHARES, $0.01 PAR VALUE
Conversion of OP Units into Common Shares				1,310
Exercise of share options			1	4,583
Employee Share Purchase Plan (ESPP)				1,409
Share-based employee compensation expense:
Issuance of restricted units/shares				3,750
Share options				514
ESPP discount				249
Offering costs				(373)
Supplemental Executive Retirement Plan (SERP)				(106)
Acquisition of Noncontrolling Interests – Partially Owned Properties				(27,355)					(4,823)
Change in market value of Redeemable Noncontrolling Interests - Operating Partnership				97,201
Adjustment for Noncontrolling Interests ownership in Operating Partnership				5,587				(5,587)
PAID IN CAPITAL
Conversion of OP Units into Common Shares				1,310
Exercise of share options			1	4,583
Employee Share Purchase Plan (ESPP)				1,409
RETAINED EARNINGS
Net income attributable to controlling interests	224,101				224,101
Common Share distributions					(235,073)
Preferred Share distributions					(773)
Accumulated other comprehensive income (loss) - derivative instruments:
Unrealized holding gains (losses) arising during the period	(1,259)					(1,259)
Losses reclassified into earnings from other comprehensive income	(2,456)					2,456
DISTRIBUTIONS
Distributions declared per Common Share outstanding							$ 0.625
NONCONTROLLING INTERESTS
Issuance of restricted units/shares				3,750
Conversion of OP Units held by Noncontrolling Interests into OP Units held by General Partner								(1,310)
Equity compensation associated with Noncontrolling Interests								5,361
Net income attributable to Noncontrolling Interests	7,633							7,633	944
Distributions to Noncontrolling Interests								(7,593)	(1,427)
Change in carrying value of Redeemable Noncontrolling Interests - Operating Partnership								371
Adjustment for Noncontrolling Interests ownership in Operating Partnership				5,587				(5,587)
PARTIALLY OWNED PROPERTIES
Net income attributable to Noncontrolling Interests	7,633							7,633	944
Contributions by Noncontrolling Interests									157
Distributions to Noncontrolling Interests								(7,593)	(1,427)
Acquisition of Noncontrolling Interests – Partially Owned Properties				(27,355)					(4,823)
Balance, end of period at Jun. 30, 2022	10,890,089	$ 37,280	$ 3,761	$ 9,229,738	$ 1,649,960	$ (30,650)
Balance, end of period at Jun. 30, 2022	$ 214,592							$ 216,326	$ (1,734)

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CONSOLIDATED STATEMENTS OF CHANGES IN EQUITY (Parenthetical) - $ / shares	Jun. 30, 2022	Dec. 31, 2021	Jun. 30, 2021
Statement Of Stockholders Equity [Abstract]
Common Stock, Par or Stated Value Per Share	$ 0.01	$ 0.01	$ 0.01

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CONSOLIDATED BALANCE SHEETS OF ERP OPERATING LIMITED PARTNERSHIP (Unaudited) - USD ($) $ in Thousands	Jun. 30, 2022	Dec. 31, 2021
ASSETS
Land	$ 5,733,412	$ 5,814,790
Depreciable property	22,443,313	22,370,811
Projects under development	65,161	24,307
Land held for development	59,573	62,998
Investment in real estate	28,301,459	28,272,906
Accumulated depreciation	(8,740,806)	(8,354,282)
Investment in real estate, net	19,560,653	19,918,624
Investments in unconsolidated entities	169,272	127,448
Cash and cash equivalents	45,010	123,832
Restricted deposits	73,641	236,404
Right-of-use assets	468,834	474,713
Other assets	256,935	288,220
Total assets	20,574,345	21,169,241
Liabilities:
Mortgage notes payable, net	1,944,404	2,191,201
Notes, net	5,838,693	5,835,222
Line of credit and commercial paper	184,946	315,030
Accounts payable and accrued expenses	119,402	107,013
Accrued interest payable	69,037	69,510
Lease liabilities	310,513	312,335
Other liabilities	292,205	353,102
Security deposits	69,609	66,141
Distributions payable	242,667	233,502
Total liabilities	9,071,476	9,483,056
Commitments and contingencies
Redeemable Limited Partners	398,188	498,977
Partners’ Capital:
Accumulated other comprehensive income (loss)	(30,650)	(34,272)
Noncontrolling Interests – Partially Owned Properties	(1,734)	18,166
Total liabilities and equity	20,574,345	21,169,241
ERPOP [Member]
ASSETS
Land	5,733,412	5,814,790
Depreciable property	22,443,313	22,370,811
Projects under development	65,161	24,307
Land held for development	59,573	62,998
Investment in real estate	28,301,459	28,272,906
Accumulated depreciation	(8,740,806)	(8,354,282)
Investment in real estate, net	19,560,653	19,918,624
Investments in unconsolidated entities	169,272	127,448
Cash and cash equivalents	45,010	123,832
Restricted deposits	73,641	236,404
Right-of-use assets	468,834	474,713
Other assets	256,935	288,220
Total assets	20,574,345	21,169,241
Liabilities:
Mortgage notes payable, net	1,944,404	2,191,201
Notes, net	5,838,693	5,835,222
Line of credit and commercial paper	184,946	315,030
Accounts payable and accrued expenses	119,402	107,013
Accrued interest payable	69,037	69,510
Lease liabilities	310,513	312,335
Other liabilities	292,205	353,102
Security deposits	69,609	66,141
Distributions payable	242,667	233,502
Total liabilities	9,071,476	9,483,056
Commitments and contingencies
Redeemable Limited Partners	398,188	498,977
Partners’ Capital:
Preference Units	37,280	37,280
General Partner	10,883,459	10,951,940
Limited Partners	216,326	214,094
Accumulated other comprehensive income (loss)	(30,650)	(34,272)
Total partners’ capital	11,106,415	11,169,042
Noncontrolling Interests – Partially Owned Properties	(1,734)	18,166
Total capital	11,104,681	11,187,208
Total liabilities and equity	$ 20,574,345	$ 21,169,241

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CONSOLIDATED STATEMENTS OF OPERATIONS OF ERP OPERATING LIMITED PARTNERSHIP (Unaudited) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
REVENUES
Rental income	$ 687,030	$ 598,059	$ 1,340,378	$ 1,195,661
EXPENSES
Property and maintenance	116,355	107,746	241,229	224,800
Real estate taxes and insurance	101,850	97,401	202,538	200,871
Property management	26,559	24,455	57,306	50,585
General and administrative	16,423	14,678	33,661	30,061
Depreciation	223,806	200,673	453,767	400,635
Total expenses	484,993	444,953	988,501	906,952
Net gain (loss) on sales of real estate properties	107,897	223,738	107,795	223,695
Operating income	309,934	376,844	459,672	512,404
Interest and other income	596	24,104	4,124	24,320
Other expenses	(2,380)	(3,342)	(5,436)	(7,452)
Interest:
Expense incurred, net	(71,889)	(67,124)	(144,681)	(134,482)
Amortization of deferred financing costs	(2,124)	(1,939)	(4,201)	(4,124)
Income before income and other taxes, income (loss) from investments in unconsolidated entities and net gain (loss) on sales of land parcels	234,137	328,543	309,478	390,666
Income and other tax (expense) benefit	(291)	(242)	(573)	(395)
Income (loss) from investments in unconsolidated entities	(1,168)	(261)	(2,429)	(1,872)
Net gain (loss) on sales of land parcels				5
Net income	232,678	328,040	306,476	388,404
Partially Owned Properties	(944)	(741)	(1,583)	(1,423)
Net income attributable to controlling interests	$ 224,101	$ 316,386	$ 294,866	$ 373,925
Earnings per Unit – basic:
Net income available to Units	$ 0.59	$ 0.84	$ 0.78	$ 1.00
Earnings per Unit – diluted:
Net income available to Units	$ 0.59	$ 0.84	$ 0.78	$ 1.00
Weighted average Units outstanding	389,363	387,820	389,463	387,367
ERPOP [Member]
REVENUES
Rental income	$ 687,030	$ 598,059	$ 1,340,378	$ 1,195,661
EXPENSES
Property and maintenance	116,355	107,746	241,229	224,800
Real estate taxes and insurance	101,850	97,401	202,538	200,871
Property management	26,559	24,455	57,306	50,585
General and administrative	16,423	14,678	33,661	30,061
Depreciation	223,806	200,673	453,767	400,635
Total expenses	484,993	444,953	988,501	906,952
Net gain (loss) on sales of real estate properties	107,897	223,738	107,795	223,695
Operating income	309,934	376,844	459,672	512,404
Interest and other income	596	24,104	4,124	24,320
Other expenses	(2,380)	(3,342)	(5,436)	(7,452)
Interest:
Expense incurred, net	(71,889)	(67,124)	(144,681)	(134,482)
Amortization of deferred financing costs	(2,124)	(1,939)	(4,201)	(4,124)
Income before income and other taxes, income (loss) from investments in unconsolidated entities and net gain (loss) on sales of land parcels	234,137	328,543	309,478	390,666
Income and other tax (expense) benefit	(291)	(242)	(573)	(395)
Income (loss) from investments in unconsolidated entities	(1,168)	(261)	(2,429)	(1,872)
Net gain (loss) on sales of land parcels				5
Net income	232,678	328,040	306,476	388,404
Partially Owned Properties	(944)	(741)	(1,583)	(1,423)
Net income attributable to controlling interests	231,734	327,299	304,893	386,981
ALLOCATION OF NET INCOME:
Preference Units	773	772	1,545	1,545
General Partner	223,328	315,614	293,321	372,380
Limited Partners	7,633	10,913	10,027	13,056
Net income available to Units	$ 230,961	$ 326,527	$ 303,348	$ 385,436
Earnings per Unit – basic:
Net income available to Units	$ 0.59	$ 0.84	$ 0.78	$ 1.00
Weighted average Units outstanding	387,664	385,856	387,531	385,594
Earnings per Unit – diluted:
Net income available to Units	$ 0.59	$ 0.84	$ 0.78	$ 1.00
Weighted average Units outstanding	389,363	387,820	389,463	387,367

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CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME OF ERP OPERATING LIMITED PARTNERSHIP (Unaudited) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Comprehensive income:
Net income	$ 232,678	$ 328,040	$ 306,476	$ 388,404
Other comprehensive income (loss) – derivative instruments:
Unrealized holding gains (losses) arising during the period	(1,259)		(1,259)
Losses reclassified into earnings from other comprehensive income	2,456	2,334	4,881	4,637
Other comprehensive income (loss)	1,197	2,334	3,622	4,637
Comprehensive income	233,875	330,374	310,098	393,041
Comprehensive (income) attributable to Noncontrolling Interests – Partially Owned Properties	(8,617)	(11,732)	(11,730)	(14,641)
Comprehensive income attributable to controlling interests	225,258	318,642	298,368	378,400
ERPOP [Member]
Comprehensive income:
Net income	232,678	328,040	306,476	388,404
Other comprehensive income (loss) – derivative instruments:
Unrealized holding gains (losses) arising during the period	(1,259)		(1,259)
Losses reclassified into earnings from other comprehensive income	2,456	2,334	4,881	4,637
Other comprehensive income (loss)	1,197	2,334	3,622	4,637
Comprehensive income	233,875	330,374	310,098	393,041
Comprehensive (income) attributable to Noncontrolling Interests – Partially Owned Properties	(944)	(741)	(1,583)	(1,423)
Comprehensive income attributable to controlling interests	$ 232,931	$ 329,633	$ 308,515	$ 391,618

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CONSOLIDATED STATEMENTS OF CASH FLOWS OF ERP OPERATING LIMITED PARTNERSHIP (Unaudited) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021
CASH FLOWS FROM OPERATING ACTIVITIES:
Net income	$ 306,476	$ 388,404
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation	453,767	400,635
Amortization of deferred financing costs	4,201	4,124
Amortization of above/below market lease intangibles		(154)
Amortization of discounts and premiums on debt	2,891	2,593
Amortization of deferred settlements on derivative instruments	4,875	4,631
Amortization of right-of-use assets	6,103	7,308
Write-off of pursuit costs	2,515	2,647
(Income) loss from investments in unconsolidated entities	2,429	1,872
Distributions from unconsolidated entities – return on capital	164
Net (gain) loss on sales of real estate properties	(107,795)	(223,695)
Net (gain) loss on sales of land parcels		(5)
Realized (gain) loss on sale of investment securities	(2,064)	(23,432)
Compensation paid with Company Common Shares	18,600	16,077
Changes in assets and liabilities:
(Increase) decrease in other assets	(2,096)	(4,462)
Increase (decrease) in accounts payable and accrued expenses	22,615	6,514
Increase (decrease) in accrued interest payable	(473)	(82)
Increase (decrease) in lease liabilities	(817)	(3,211)
Increase (decrease) in other liabilities	(23,985)	(5,387)
Increase (decrease) in security deposits	3,468	1,748
Net cash provided by operating activities	690,874	576,125
CASH FLOWS FROM INVESTING ACTIVITIES:
Investment in real estate – acquisitions	(113,046)	(281,426)
Investment in real estate – development/other	(55,491)	(125,156)
Capital expenditures to real estate	(83,304)	(66,443)
Non-real estate capital additions	(981)	(1,042)
Interest capitalized for real estate and unconsolidated entities under development	(2,267)	(8,176)
Proceeds from disposition of real estate, net	255,922	406,922
Investments in unconsolidated entities – development/other	(48,577)	(4,491)
Distributions from unconsolidated entities – return of capital	9	4
Purchase of investment securities and other investments	(1,034)	(166,945)
Proceeds from sale of investment securities	3,434	191,398
Net cash provided by (used for) investing activities	(45,335)	(55,355)
CASH FLOWS FROM FINANCING ACTIVITIES:
Debt financing costs	(228)	(362)
Mortgage notes payable, net:
Proceeds	14,586	47,759
Lump sum payoffs	(260,874)	(59,880)
Scheduled principal repayments	(2,985)	(3,713)
Line of credit and commercial paper:
Commercial paper proceeds	2,836,037	2,819,940
Commercial paper repayments	(2,966,121)	(2,603,000)
Finance ground lease principal payments	(1,229)	(232)
Proceeds from Employee Share Purchase Plan (ESPP)	2,378	2,667
Proceeds from exercise of EQR options	18,928	39,623
Payment of offering costs	(487)
Other financing activities, net	(31)	(31)
Acquisition of Noncontrolling Interests – Partially Owned Properties	(32,178)
Contributions – Noncontrolling Interests – Partially Owned Properties	603
Contributions – Limited Partners	1
Distributions:
OP Units – General Partner	(461,605)	(448,983)
Preference Units	(1,545)	(1,545)
OP Units – Limited Partners	(15,142)	(16,540)
Noncontrolling Interests – Partially Owned Properties	(17,232)	(3,700)
Net cash provided by (used for) financing activities	(887,124)	(227,997)
Net increase (decrease) in cash and cash equivalents and restricted deposits	(241,585)	292,773
Cash and cash equivalents and restricted deposits, beginning of period	360,236	99,728
Cash and cash equivalents and restricted deposits, end of period	118,651	392,501
Cash and cash equivalents	45,010	39,492
Restricted deposits	73,641	353,009
SUPPLEMENTAL INFORMATION:
Cash paid for interest, net of amounts capitalized	136,787	126,742
Net cash paid (received) for income and other taxes	687	888
Amortization of deferred financing costs:
Investment in real estate, net	(253)	(100)
Other assets	1,170	1,169
Mortgage notes payable, net	1,159	1,139
Notes, net	2,125	1,916
Amortization of discounts and premiums on debt:
Mortgage notes payable, net	1,545	1,374
Notes, net	1,346	1,219
Amortization of deferred settlements on derivative instruments:
Other liabilities	(6)	(6)
Accumulated other comprehensive income	4,881	4,637
Write-off of pursuit costs:
Investment in real estate, net	761	2,314
Investments in unconsolidated entities	1,637
Other assets	117	317
Accounts payable and accrued expenses		16
(Income) loss from investments in unconsolidated entities:
Investments in unconsolidated entities	1,797	1,216
Other liabilities	632	656
Realized/unrealized (gain) loss on derivative instruments:
Other liabilities	1,259
Accumulated other comprehensive income	(1,259)
Interest capitalized for real estate and unconsolidated entities under development:
Investment in real estate, net	(675)	(8,176)
Investments in unconsolidated entities	1,592
Investments in unconsolidated entities – other:
Investments in unconsolidated entities	(47,887)	(3,231)
Other liabilities	(690)	(1,260)
Debt financing costs:
Other assets		(44)
Mortgage notes payable, net	(228)	(318)
Right-of-use assets and lease liabilities initial measurement and reclassifications:
Right-of-use assets	(224)	11,308
Lease liabilities	224	(11,308)
Non-cash share distribution and other transfers from unconsolidated entities:
Investments in unconsolidated entities	4,048	1,429
Other assets	(4,048)	(1,429)
ERPOP [Member]
CASH FLOWS FROM OPERATING ACTIVITIES:
Net income	306,476	388,404
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation	453,767	400,635
Amortization of deferred financing costs	4,201	4,124
Amortization of above/below market lease intangibles		(154)
Amortization of discounts and premiums on debt	2,891	2,593
Amortization of deferred settlements on derivative instruments	4,875	4,631
Amortization of right-of-use assets	6,103	7,308
Write-off of pursuit costs	2,515	2,647
(Income) loss from investments in unconsolidated entities	2,429	1,872
Distributions from unconsolidated entities – return on capital	164
Net (gain) loss on sales of real estate properties	(107,795)	(223,695)
Net (gain) loss on sales of land parcels		(5)
Realized (gain) loss on sale of investment securities	(2,064)	(23,432)
Compensation paid with Company Common Shares	18,600	16,077
Changes in assets and liabilities:
(Increase) decrease in other assets	(2,096)	(4,462)
Increase (decrease) in accounts payable and accrued expenses	22,615	6,514
Increase (decrease) in accrued interest payable	(473)	(82)
Increase (decrease) in lease liabilities	(817)	(3,211)
Increase (decrease) in other liabilities	(23,985)	(5,387)
Increase (decrease) in security deposits	3,468	1,748
Net cash provided by operating activities	690,874	576,125
CASH FLOWS FROM INVESTING ACTIVITIES:
Investment in real estate – acquisitions	(113,046)	(281,426)
Investment in real estate – development/other	(55,491)	(125,156)
Capital expenditures to real estate	(83,304)	(66,443)
Non-real estate capital additions	(981)	(1,042)
Interest capitalized for real estate and unconsolidated entities under development	(2,267)	(8,176)
Proceeds from disposition of real estate, net	255,922	406,922
Investments in unconsolidated entities – development/other	(48,577)	(4,491)
Distributions from unconsolidated entities – return of capital	9	4
Purchase of investment securities and other investments	(1,034)	(166,945)
Proceeds from sale of investment securities	3,434	191,398
Net cash provided by (used for) investing activities	(45,335)	(55,355)
CASH FLOWS FROM FINANCING ACTIVITIES:
Debt financing costs	(228)	(362)
Mortgage notes payable, net:
Proceeds	14,586	47,759
Lump sum payoffs	(260,874)	(59,880)
Scheduled principal repayments	(2,985)	(3,713)
Line of credit and commercial paper:
Commercial paper proceeds	2,836,037	2,819,940
Commercial paper repayments	(2,966,121)	(2,603,000)
Finance ground lease principal payments	(1,229)	(232)
Proceeds from Employee Share Purchase Plan (ESPP)	2,378	2,667
Proceeds from exercise of EQR options	18,928	39,623
Payment of offering costs	(487)
Other financing activities, net	(31)	(31)
Acquisition of Noncontrolling Interests – Partially Owned Properties	(32,178)
Contributions – Noncontrolling Interests – Partially Owned Properties	603
Contributions – Limited Partners	1
Distributions:
OP Units – General Partner	(461,605)	(448,983)
Preference Units	(1,545)	(1,545)
OP Units – Limited Partners	(15,142)	(16,540)
Noncontrolling Interests – Partially Owned Properties	(17,232)	(3,700)
Net cash provided by (used for) financing activities	(887,124)	(227,997)
Net increase (decrease) in cash and cash equivalents and restricted deposits	(241,585)	292,773
Cash and cash equivalents and restricted deposits, beginning of period	360,236	99,728
Cash and cash equivalents and restricted deposits, end of period	118,651	392,501
Cash and cash equivalents	45,010	39,492
Restricted deposits	73,641	353,009
SUPPLEMENTAL INFORMATION:
Cash paid for interest, net of amounts capitalized	136,787	126,742
Net cash paid (received) for income and other taxes	687	888
Amortization of deferred financing costs:
Investment in real estate, net	(253)	(100)
Other assets	1,170	1,169
Mortgage notes payable, net	1,159	1,139
Notes, net	2,125	1,916
Amortization of discounts and premiums on debt:
Mortgage notes payable, net	1,545	1,374
Notes, net	1,346	1,219
Amortization of deferred settlements on derivative instruments:
Other liabilities	(6)	(6)
Accumulated other comprehensive income	4,881	4,637
Write-off of pursuit costs:
Investment in real estate, net	761	2,314
Investments in unconsolidated entities	1,637
Other assets	117	317
Accounts payable and accrued expenses		16
(Income) loss from investments in unconsolidated entities:
Investments in unconsolidated entities	1,797	1,216
Other liabilities	632	656
Realized/unrealized (gain) loss on derivative instruments:
Other liabilities	1,259
Accumulated other comprehensive income	(1,259)
Interest capitalized for real estate and unconsolidated entities under development:
Investment in real estate, net	(675)	(8,176)
Investments in unconsolidated entities	(1,592)
Investments in unconsolidated entities – other:
Investments in unconsolidated entities	(47,887)	(3,231)
Other liabilities	(690)	(1,260)
Debt financing costs:
Other assets		(44)
Mortgage notes payable, net	(228)	(318)
Right-of-use assets and lease liabilities initial measurement and reclassifications:
Right-of-use assets	(224)	11,308
Lease liabilities	224	(11,308)
Non-cash share distribution and other transfers from unconsolidated entities:
Investments in unconsolidated entities	4,048	1,429
Other assets	$ (4,048)	$ (1,429)

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CONSOLIDATED STATEMENTS OF CHANGES IN CAPITAL OF ERP OPERATING LIMITED PARTNERSHIP (Unaudited) - USD ($) $ in Thousands	Total	ERPOP [Member]	PREFERRED SHARES ERPOP [Member]	General Partner [Member] ERPOP [Member]	Limited Partner ERPOP [Member]	ACCUMULATED OTHER COMPREHENSIVE INCOME (LOSS) ERPOP [Member]	DISTRIBUTIONS [Member] ERPOP [Member]	PARTIALLY OWNED PROPERTIES [Member] ERPOP [Member]
Balance, beginning of year at Dec. 31, 2020			$ 37,280	$ 10,532,037	$ 233,162	$ (43,666)
Balance, beginning of year at Dec. 31, 2020								$ 4,673
Conversion of OP Units held by Limited Partners into OP Units held by General Partner				66,660	(66,660)
Exercise of EQR share options				39,623
EQR's Employee Share Purchase Plan (ESPP)		$ 2,667
EQR restricted shares				4,814
EQR share options				1,976
EQR ESPP discount				633
Net income available to Units - General Partner		372,380		372,380
OP Units General Partner distributions				(450,220)
Supplemental Executive Retirement Plan (SERP)				(2,057)
Change in market value of Redeemable Limited Partners				(101,966)
Adjustment for Limited Partners ownership in Operating Partnership				(30,807)	30,807
Equity compensation associated with Units - Limited Partners					10,531
Net income available to Units - Limited Partners		13,056			13,056
Units - Limited Partners distributions					(15,999)
Change in carrying value of Redeemable Limited Partners					794
Losses reclassified into earnings from other comprehensive income	$ (4,637)	(4,637)				4,637
Distributions declared per Unit outstanding							$ 1.205
Net income attributable to Noncontrolling Interests	388,404	388,404						1,423
Distributions to Noncontrolling Interests								(3,731)
Balance, end of period at Jun. 30, 2021			37,280	10,435,740	205,691	(39,029)
Balance, end of period at Jun. 30, 2021								2,365
Balance, beginning of year at Mar. 31, 2021			37,280	10,318,883	234,969	(41,363)
Balance, beginning of year at Mar. 31, 2021								2,472
Conversion of OP Units held by Limited Partners into OP Units held by General Partner				66,660	(66,660)
Exercise of EQR share options				16,741
EQR's Employee Share Purchase Plan (ESPP)		936
EQR restricted shares				2,540
EQR share options				988
EQR ESPP discount				189
Net income available to Units - General Partner		315,614		315,614
OP Units General Partner distributions				(225,547)
Supplemental Executive Retirement Plan (SERP)				(828)
Change in market value of Redeemable Limited Partners				(29,010)
Adjustment for Limited Partners ownership in Operating Partnership				(31,426)	31,426
Equity compensation associated with Units - Limited Partners					4,043
Net income available to Units - Limited Partners		10,913			10,913
Units - Limited Partners distributions					(7,410)
Change in carrying value of Redeemable Limited Partners					(1,590)
Losses reclassified into earnings from other comprehensive income	(2,334)	(2,334)				2,334
Distributions declared per Unit outstanding							0.6025
Net income attributable to Noncontrolling Interests	328,040	328,040						741
Distributions to Noncontrolling Interests								(848)
Balance, end of period at Jun. 30, 2021			37,280	10,435,740	205,691	(39,029)
Balance, end of period at Jun. 30, 2021								2,365
Balance, beginning of year at Dec. 31, 2021			37,280	10,951,940	214,094	(34,272)
Balance, beginning of year at Dec. 31, 2021								18,166
Conversion of OP Units held by Limited Partners into OP Units held by General Partner				1,484	(1,484)
Exercise of EQR share options				18,928
EQR's Employee Share Purchase Plan (ESPP)		2,378
EQR restricted shares				7,361	1
EQR share options				1,390
EQR ESPP discount				420
Net income available to Units - General Partner		293,321		293,321
OP Units General Partner distributions				(470,424)
Offering costs				(487)
Supplemental Executive Retirement Plan (SERP)				(269)
Acquisition of Noncontrolling Interests – Partially Owned Properties				(27,355)				(4,823)
Change in market value of Redeemable Limited Partners				98,140
Adjustment for Limited Partners ownership in Operating Partnership				6,632	(6,632)
Equity compensation associated with Units - Limited Partners					13,159
Net income available to Units - Limited Partners		10,027			10,027
Units - Limited Partners distributions					(15,488)
Change in carrying value of Redeemable Limited Partners					2,649
Unrealized holding gains (losses) arising during the period	(1,259)	(1,259)				(1,259)
Losses reclassified into earnings from other comprehensive income	(4,881)	(4,881)				4,881
Distributions declared per Unit outstanding							1.25
Net income attributable to Noncontrolling Interests	306,476	306,476						1,583
Contributions by Noncontrolling Interests								603
Distributions to Noncontrolling Interests								(17,263)
Balance, end of period at Jun. 30, 2022			37,280	10,883,459	216,326	(30,650)
Balance, end of period at Jun. 30, 2022								(1,734)
Balance, beginning of year at Mar. 31, 2022			37,280	10,808,434	217,451	(31,847)
Balance, beginning of year at Mar. 31, 2022								3,415
Conversion of OP Units held by Limited Partners into OP Units held by General Partner				1,310	(1,310)
Exercise of EQR share options				4,584
EQR's Employee Share Purchase Plan (ESPP)		1,409
EQR restricted shares				3,750
EQR share options				514
EQR ESPP discount				249
Net income available to Units - General Partner		223,328		223,328
OP Units General Partner distributions				(235,073)
Offering costs				(373)
Supplemental Executive Retirement Plan (SERP)				(106)
Acquisition of Noncontrolling Interests – Partially Owned Properties				(27,355)				(4,823)
Change in market value of Redeemable Limited Partners				97,201
Adjustment for Limited Partners ownership in Operating Partnership				5,587	(5,587)
Equity compensation associated with Units - Limited Partners					5,361
Net income available to Units - Limited Partners		7,633			7,633
Units - Limited Partners distributions					(7,593)
Change in carrying value of Redeemable Limited Partners					371
Unrealized holding gains (losses) arising during the period	(1,259)	(1,259)				(1,259)
Losses reclassified into earnings from other comprehensive income	(2,456)	(2,456)				2,456
Distributions declared per Unit outstanding							$ 0.625
Net income attributable to Noncontrolling Interests	$ 232,678	$ 232,678						944
Contributions by Noncontrolling Interests								157
Distributions to Noncontrolling Interests								(1,427)
Balance, end of period at Jun. 30, 2022			$ 37,280	$ 10,883,459	$ 216,326	$ (30,650)
Balance, end of period at Jun. 30, 2022								$ (1,734)

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Business

6 Months Ended

Jun. 30, 2022

Organization Consolidation And Presentation Of Financial Statements [Abstract]

Business

1. Business

Equity Residential (“EQR”) is an S&P 500 company focused on the acquisition, development and management of residential properties located in and around dynamic cities that attract affluent long-term renters, a business that is conducted on its behalf by ERP Operating Limited Partnership (“ERPOP”).  EQR is a Maryland real estate investment trust (“REIT”) formed in March 1993 and ERPOP is an Illinois limited partnership formed in May 1993.  References to the “Company,” “we,” “us” or “our” mean collectively EQR, ERPOP and those entities/subsidiaries owned or controlled by EQR and/or ERPOP.  References to the “Operating Partnership” mean collectively ERPOP and those entities/subsidiaries owned or controlled by ERPOP.  Unless otherwise indicated, the notes to consolidated financial statements apply to both the Company and the Operating Partnership.

EQR is the general partner of, and as of June 30, 2022 owned an approximate 96.7% ownership interest in, ERPOP.  All of the Company’s property ownership, development and related business operations are conducted through the Operating Partnership and EQR has no material assets or liabilities other than its investment in ERPOP.  EQR issues equity from time to time, the net proceeds of which it is obligated to contribute to ERPOP, but does not have any indebtedness as all debt is incurred by the Operating Partnership.  The Operating Partnership holds substantially all of the assets of the Company, including the Company’s ownership interests in its joint ventures.  The Operating Partnership conducts the operations of the business and is structured as a partnership with no publicly traded equity.

As of June 30, 2022, the Company, directly or indirectly through investments in title holding entities, owned all or a portion of 310 properties located in 10 states and the District of Columbia consisting of 80,227 apartment units.  The ownership breakdown includes (table does not include various uncompleted development properties):

	Properties		Apartment Units
Wholly Owned Properties		295		77,113
Partially Owned Properties – Consolidated		15		3,114
		310		80,227

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Summary of Significant Accounting Policies

6 Months Ended

Jun. 30, 2022

Summary Of Significant Accounting Policies [Abstract]

Summary of Significant Accounting Policies

2. Summary of Significant Accounting Policies

Basis of Presentation

The accompanying unaudited condensed consolidated financial statements have been prepared in accordance with accounting principles generally accepted in the United States for interim financial information and with the instructions to Form 10-Q and Article 10 of Regulation S-X.  Accordingly, they do not include all of the information and footnotes required by accounting principles generally accepted in the United States (“GAAP”) for complete financial statements.  In the opinion of management, all adjustments (consisting of normal recurring accruals) and certain reclassifications considered necessary for a fair presentation have been included.  Operating results for the six months ended June 30, 2022 are not necessarily indicative of the results that may be expected for the year ending December 31, 2022.

In preparation of the Company’s financial statements in conformity with accounting principles generally accepted in the United States, management makes estimates and assumptions that affect the reported amounts of assets and liabilities and disclosure of contingent assets and liabilities at the date of the financial statements as well as the reported amounts of revenues and expenses during the reporting period.  Actual results could differ from these estimates.

The balance sheets at December 31, 2021 have been derived from the audited financial statements at that date but do not include all of the information and footnotes required by accounting principles generally accepted in the United States for complete financial statements.

For further information, including definitions of capitalized terms not defined herein, refer to the consolidated financial statements and footnotes thereto included in the Company’s and the Operating Partnership’s Annual Report on Form 10-K for the year ended December 31, 2021.

Income and Other Taxes

EQR has elected to be taxed as a REIT.  This, along with the nature of the operations of its operating properties, resulted in no provision for federal income taxes at the EQR level.  In addition, ERPOP generally is not liable for federal income taxes as the partners recognize their allocable share of income or loss in their tax returns; therefore no provision for federal income taxes has been made at the ERPOP level.  Historically, the Company has generally only incurred certain state and local income, excise and franchise taxes.  The Company has elected taxable REIT subsidiary (“TRS”) status for certain of its corporate subsidiaries and, as a result, these entities will incur both federal and state income taxes on any taxable income of such entities after consideration of any net operating losses.

Recent Accounting Pronouncements

In August 2020, the Financial Accounting Standards Board (“FASB”) issued an amendment to the debt and equity financial instruments standards which simplifies the accounting for convertible instruments and accounting for contracts in an entity’s own equity.  The Company adopted the standard when effective on January 1, 2022 and it had no impact on its consolidated results of operations and financial position.

In March 2020, the FASB issued an amendment to the reference rate reform standard which provides the option for a limited period of time to ease the potential burden in accounting for, or recognizing the effects of, reference rate reform on contract modifications and hedge accounting.  An example of such reform is the expected market transition from the London Interbank Offered Rate (“LIBOR”) and other interbank offered rates to alternative reference rates.  Entities that make this optional expedient election would not have to remeasure the contracts at the modification date or reassess the accounting treatment if certain criteria are met and would continue applying hedge accounting for relationships affected by reference rate reform.  The new standard was effective for the Company upon issuance and elections can be made through December 31, 2022.  The Company elected to apply the hedge accounting expedients related to probability and the assessments of effectiveness for future LIBOR-indexed cash flows to assume that the index upon which future hedged transactions will be based matches the index on the corresponding derivatives. Application of these expedients preserves the presentation of derivatives consistent with past presentation. The Company continues to evaluate the impact of the guidance and may apply other elections as applicable as additional changes in the market occur.

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Equity, Capital and Other Interests

6 Months Ended

Jun. 30, 2022

Equity Capital And Other Interests [Abstract]

Equity, Capital and Other Interests

3. Equity, Capital and Other Interests

The Company refers to “Common Shares” and “Units” (which refer to both OP Units and restricted units) as equity securities for EQR and “General Partner Units” and “Limited Partner Units” as equity securities for ERPOP.  To provide a streamlined and more readable presentation of the disclosures for the Company and the Operating Partnership, several sections below refer to the respective terminology for each with the same financial information and separate sections are provided, where needed, to further distinguish any differences in financial information and terminology.

The following table presents the changes in the Company’s issued and outstanding Common Shares and Units for the six months ended June 30, 2022 and 2021:

	2022			2021
Common Shares
Common Shares outstanding at January 1,		375,527,195			372,302,000
Common Shares Issued:
Conversion of OP Units		31,089			1,084,023
Exercise of share options		348,510			833,669
Employee Share Purchase Plan (ESPP)		35,669			47,761
Restricted share grants, net		175,970			87,377
Common Shares outstanding at June 30,		376,118,433			374,354,830
Units
Units outstanding at January 1,		12,659,027			13,858,073
Restricted unit grants, net		223,242			155,638
Conversion of OP Units to Common Shares		(31,089	)		(1,084,023	)
Units outstanding at June 30,		12,851,180			12,929,688
Total Common Shares and Units outstanding at June 30,		388,969,613			387,284,518
Units Ownership Interest in Operating Partnership		3.3	%		3.3	%

The following table presents the changes in the Operating Partnership’s issued and outstanding General Partner Units and Limited Partner Units for the six months ended June 30, 2022 and 2021:

	2022			2021
General and Limited Partner Units
General and Limited Partner Units outstanding at January 1,		388,186,222			386,160,073
Issued to General Partner:
Exercise of EQR share options		348,510			833,669
EQR’s Employee Share Purchase Plan (ESPP)		35,669			47,761
EQR’s restricted share grants, net		175,970			87,377
Issued to Limited Partners:
Restricted unit grants, net		223,242			155,638
General and Limited Partner Units outstanding at June 30,		388,969,613			387,284,518
Limited Partner Units
Limited Partner Units outstanding at January 1,		12,659,027			13,858,073
Limited Partner restricted unit grants, net		223,242			155,638
Conversion of Limited Partner OP Units to EQR Common Shares		(31,089	)		(1,084,023	)
Limited Partner Units outstanding at June 30,		12,851,180			12,929,688
Limited Partner Units Ownership Interest in Operating Partnership		3.3	%		3.3	%

The equity positions of various individuals and entities that contributed their properties to the Operating Partnership in exchange for OP Units, as well as the equity positions of the holders of restricted units, are collectively referred to as the “Noncontrolling Interests – Operating Partnership” and “Limited Partners Capital,” respectively, for the Company and the Operating Partnership.  Subject to certain exceptions (including the “book-up” requirements of restricted units), the Noncontrolling Interests – Operating Partnership/Limited Partners Capital may exchange their Units with EQR for Common Shares on a one-for-one basis.  The carrying value of the Noncontrolling Interests – Operating Partnership/Limited Partners Capital (including redeemable interests) is allocated based on the number of Noncontrolling Interests – Operating Partnership/Limited Partners Capital in total in proportion to the number of Noncontrolling Interests – Operating Partnership/Limited Partners Capital in total plus the total number of Common Shares/General Partner Units.  Net income is allocated to the Noncontrolling Interests – Operating Partnership/Limited Partners Capital based on the weighted average ownership percentage during the period.

The Operating Partnership has the right but not the obligation to make a cash payment instead of issuing Common Shares to any and all holders of Noncontrolling Interests – Operating Partnership/Limited Partners Capital requesting an exchange of their Noncontrolling Interests – Operating Partnership/Limited Partners Capital with EQR.  Once the Operating Partnership elects not to redeem the Noncontrolling Interests – Operating Partnership/Limited Partners Capital for cash, EQR is obligated to deliver Common Shares to the exchanging holder of the Noncontrolling Interests – Operating Partnership/Limited Partners Capital.

The Noncontrolling Interests – Operating Partnership/Limited Partners Capital are classified as either mezzanine equity or permanent equity.  If EQR is required, either by contract or securities law, to deliver registered Common Shares, such Noncontrolling Interests – Operating Partnership/Limited Partners Capital are differentiated and referred to as “Redeemable Noncontrolling Interests – Operating Partnership” and “Redeemable Limited Partners,” respectively.  Instruments that require settlement in registered shares cannot be classified in permanent equity as it is not always completely within an issuer’s control to deliver registered shares.  Therefore, settlement in cash is assumed and that responsibility for settlement in cash is deemed to fall to the Operating Partnership as the primary source of cash for EQR, resulting in presentation in the mezzanine section of the balance sheet.  The Redeemable Noncontrolling Interests – Operating Partnership/Redeemable Limited Partners are adjusted to the greater of carrying value or fair market value based on the Common Share price of EQR at the end of each respective reporting period.  EQR has the ability to deliver unregistered Common Shares for the remaining portion of the Noncontrolling Interests – Operating Partnership/Limited Partners Capital that are classified in permanent equity at June 30, 2022 and December 31, 2021.

The carrying value of the Redeemable Noncontrolling Interests – Operating Partnership/Redeemable Limited Partners is allocated based on the number of Redeemable Noncontrolling Interests – Operating Partnership/Redeemable Limited Partners in proportion to the number of Noncontrolling Interests – Operating Partnership/Limited Partners Capital in total.  Such percentage of the total carrying value of Units/Limited Partner Units which is ascribed to the Redeemable Noncontrolling Interests – Operating Partnership/Redeemable Limited Partners is then adjusted to the greater of carrying value or fair market value as described above.  As of June 30, 2022 and 2021, the Redeemable Noncontrolling Interests – Operating Partnership/Redeemable Limited Partners have a redemption value of approximately $398.2 million and $440.1 million, respectively, which represents the value of Common Shares that would be issued in exchange for the Redeemable Noncontrolling Interests – Operating Partnership/Redeemable Limited Partners.

The following table presents the changes in the redemption value of the Redeemable Noncontrolling Interests – Operating Partnership/Redeemable Limited Partners for the six months ended June 30, 2022 and 2021, respectively (amounts in thousands):

	2022			2021
Balance at January 1,	$	498,977		$	338,951
Change in market value		(98,140	)		101,966
Change in carrying value		(2,649	)		(794	)
Balance at June 30,	$	398,188		$	440,123

Net proceeds from EQR Common Share and Preferred Share (see definition below) offerings and proceeds from exercise of options for Common Shares are contributed by EQR to ERPOP.  In return for those contributions, EQR receives a number of OP Units in ERPOP equal to the number of Common Shares it has issued in the equity offering (or in the case of a preferred equity offering, a number of preference units in ERPOP equal in number and having the same terms as the Preferred Shares issued in the equity offering).  As a result, the net proceeds from Common Shares and Preferred Shares are allocated for the Company between shareholders’ equity and Noncontrolling Interests – Operating Partnership and for the Operating Partnership between General Partner’s Capital and Limited Partners Capital to account for the change in their respective percentage ownership of the underlying equity.

The Company’s declaration of trust authorizes it to issue up to 100,000,000 preferred shares of beneficial interest, $0.01 par value per share (the “Preferred Shares”), with specific rights, preferences and other attributes as the Board of Trustees may determine, which may include preferences, powers and rights that are senior to the rights of holders of the Company’s Common Shares.

The following table presents the Company’s issued and outstanding Preferred Shares/Preference Units as of June 30, 2022 and December 31, 2021:

				Amounts in thousands
		Annual
	Call	Dividend Per		June 30,		December 31,
	Date (1)	Share/Unit (2)		2022		2021
Preferred Shares/Preference Units of beneficial interest, $0.01 par value;    100,000,000 shares authorized:
8.29% Series K Cumulative Redeemable Preferred Shares/Preference    Units; liquidation value $50 per share/unit; 745,600 shares/units issued    and outstanding as of June 30, 2022 and December 31, 2021	12/10/26	$	4.145	$	37,280	$	37,280
				$	37,280	$	37,280

(1) On or after the call date, redeemable Preferred Shares/Preference Units may be redeemed for cash at the option of the Company or the Operating Partnership, respectively, in whole or in part, at a redemption price equal to the liquidation price per share/unit, plus accrued and

unpaid distributions, if any.

(2) Dividends on Preferred Shares/Preference Units are payable quarterly.

Other

EQR and ERPOP currently have an active universal shelf registration statement for the issuance of equity and debt securities that automatically became effective upon filing with the SEC in May 2022 and expires in May 2025.  Per the terms of ERPOP’s partnership agreement, EQR contributes the net proceeds of all equity offerings to the capital of ERPOP in exchange for additional OP Units (on a one-for-one Common Share per OP Unit basis) or preference units (on a one-for-one preferred share per preference unit basis).

The Company has an At-The-Market (“ATM”) share offering program which allows EQR to issue Common Shares from time to time into the existing trading market at current market prices or through negotiated transactions, including under forward sale arrangements.  In May 2022, the Company replaced the prior program with a new program with the authority to issue up to 13.0 million shares as of June 30, 2022 and which extended the program maturity to May 2025. Forward sale agreements under the ATM program allow the Company, at its election, to settle the agreements by issuing Common Shares in exchange for net proceeds at the then-applicable forward sale price specified by the agreement or, alternatively, to settle the agreements in whole or in part through the delivery or receipt of Common Shares or cash.  Issuances of shares under these forward sale agreements are classified as equity transactions.  Accordingly, no amounts relating to the forward sale agreements are recorded in the consolidated financial statements until settlement occurs.  Prior to any settlements, the only impact to the consolidated financial statements is the inclusion of incremental shares, if any, within the calculation of diluted net income per share using the treasury stock method (see Note 11 for additional discussion).  The actual forward price per share to be received by the Company upon settlement will be determined on the applicable settlement date based on adjustments made to the initial forward price to reflect the then-current overnight federal funds rate and the amount of dividends paid to holders of the Company’s Common Shares over the term of the forward sale agreement.

As of June 30, 2022, the Company had entered into forward sale agreements under the prior program for a total of approximately 1.7 million Common Shares at a weighted average initial forward price per share of $83.25.  All of these forward sale agreements were entered into during the quarter ended September 30, 2021.  As of June 30, 2022, these forward sale agreements have not been settled and must be settled by March 2023.

The Company may repurchase up to 13.0 million Common Shares under its share repurchase program.  No open market repurchases have occurred since 2008, and no repurchases of any kind have occurred since February 2014.  As of June 30, 2022, EQR has remaining authorization to repurchase up to 13.0 million of its shares.  

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Real Estate

6 Months Ended

Jun. 30, 2022

Real Estate [Abstract]

Real Estate

4. Real Estate

The following table summarizes the carrying amounts for the Company’s investment in real estate (at cost) as of June 30, 2022 and December 31, 2021 (amounts in thousands):

	June 30, 2022			December 31, 2021
Land	$	5,733,412		$	5,814,790
Depreciable property:
Buildings and improvements		19,654,296			19,632,284
Furniture, fixtures and equipment		2,271,136			2,220,203
In-Place lease intangibles		517,881			518,324
Projects under development:
Land		3,200			—
Construction-in-progress		61,961			24,307
Land held for development:
Land		46,160			46,160
Construction-in-progress		13,413			16,838
Investment in real estate		28,301,459			28,272,906
Accumulated depreciation		(8,740,806	)		(8,354,282	)
Investment in real estate, net	$	19,560,653		$	19,918,624

During the six months ended June 30, 2022, the Company acquired the following from unaffiliated parties (purchase price in thousands):

	Properties		Apartment Units		Purchase Price
Rental Properties – Consolidated (1)		1		172	$	113,000
Total		1		172	$	113,000

(1) Purchase price includes an allocation of approximately $25.3 million to land and $87.7 million to depreciable property (inclusive of capitalized closing costs).

During the six months ended June 30, 2022, the Company disposed of the following to unaffiliated parties (sales price in thousands):

	Properties		Apartment Units		Sales Price
Rental Properties – Consolidated		1		354	$	265,650
Total		1		354	$	265,650

The Company recognized a net gain on sales of real estate properties of approximately $107.8 million on the above sale.

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Commitments to Acquire/Dispose of Real Estate

6 Months Ended

Jun. 30, 2022

Commitments To Acquire Dispose Of Real Estate [Abstract]

Commitments to Acquire/Dispose of Real Estate

5. Commitments to Acquire/Dispose of Real Estate

The Company has not entered into any agreements to acquire rental properties or land parcels as of the date of filing.

The Company has entered into an agreement to dispose of the following (sales price and net book value in thousands):

	Properties		Apartment Units		Sales Price		Net Book Value at June 30, 2022
Rental Properties - Consolidated		1		136	$	65,500	$	41,695
Total		1		136	$	65,500	$	41,695

The closing of pending transactions is subject to certain conditions and restrictions; therefore, there can be no assurance that the transactions will be consummated or that the final terms will not differ in material respects from any agreements summarized above.  See Note 14 for discussion of the properties acquired or disposed of, if any, subsequent to June 30, 2022.

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Investments in Partially Owned Entities

6 Months Ended

Jun. 30, 2022

Investments In Partially Owned Entities [Abstract]

Investments in Partially Owned Entities

6. Investments in Partially Owned Entities

The Company has invested in various entities with unrelated third parties which are either consolidated or accounted for under the equity method of accounting (unconsolidated).  

Consolidated Variable Interest Entities (“VIEs”)

In accordance with accounting standards for consolidation of VIEs, the Company consolidates ERPOP on EQR’s financial statements.  As the sole general partner of ERPOP, EQR has exclusive control of ERPOP’s day-to-day management.  The limited partners are not able to exercise substantive kick-out or participating rights.  As a result, ERPOP qualifies as a VIE.  EQR has a controlling financial interest in ERPOP and, thus, is ERPOP’s primary beneficiary.  EQR has the power to direct the activities of ERPOP that most significantly impact ERPOP’s economic performance as well as the obligation to absorb losses or the right to receive benefits from ERPOP that could potentially be significant to ERPOP.  

The Company has various equity interests in certain joint ventures that have been deemed to be VIEs, and the Company is the VIEs’ primary beneficiary.  As a result, the joint ventures are required to be consolidated on the Company’s financial statements.  The following table summarizes the Company’s consolidated joint ventures as of June 30, 2022:

	Operating Properties (1)				Project Under Development (2)
	Properties		Apartment Units		Project		Apartment Units
Consolidated Joint Ventures (VIE)		15		3,114		1		312

(1) During the second quarter of 2022, the Company acquired its joint venture partner’s 25% interest in a 432-unit apartment property for $32.2 million, and the property is now wholly owned.  In connection with the buyout, the carrying amount of the Noncontrolling Interests – Partially Owned Properties totaling $4.8 million was reduced to zero and the remaining $27.4 million was recorded to paid in capital/general partner capital.

(2) The land under this project is subject to a long-term ground lease.

The following table provides consolidated assets and liabilities related to the VIEs discussed above as of June 30, 2022 and December 31, 2021 (amounts in thousands):

	June 30, 2022		December 31, 2021
Consolidated Assets	$	660,062	$	912,955
Consolidated Liabilities	$	127,702	$	251,424

Certain consolidated joint ventures in which we have investments obtained mortgage debt to finance a portion of their activities.  The following table and information summarizes the variable rate construction mortgage debt that is non-recourse to the Company at June 30, 2022 (aggregate and amounts borrowed under loan commitments in thousands):

	Recently Completed Operating Property (1)		Project Under Development
Number of joint ventures with debt financing		1		1
Aggregate loan commitments	$	67,589	$	73,344
Amounts borrowed under loan commitments (2)	$	64,856	$	11,512
Maturity dates	2023		2025

(1) The maturity date of the construction loan was extended on June 24, 2022 to June 25, 2023.

(2) See Note 9 for the current period proceeds of secured conventional floating rate debt under Mortgage Notes Payable.

Investments in Unconsolidated Entities

The Company has various equity interests in certain joint ventures that are unconsolidated and accounted for using the equity method of accounting.  Most of these have been deemed to be VIEs and the Company is not the VIEs' primary beneficiary.  The remaining have been deemed not to be VIEs and the Company does not have a controlling voting interest.

The following table and information summarizes the Company’s investments in unconsolidated entities as of June 30, 2022 and December 31, 2021 (amounts in thousands except for ownership percentage):

	June 30, 2022			December 31, 2021			Ownership Percentage
Investments in Unconsolidated Entities:
Various Real Estate Holdings (VIE) (1)	$	36,396		$	36,024		Varies
Development Projects (VIE) (2)		110,657			72,488		62% - 90% (4)
Real Estate Technology (VIE) (3)		22,456			19,347		Varies
Other		(237	)		(411	)	Varies
Investments in Unconsolidated Entities	$	169,272		$	127,448

(1) Represents unconsolidated interests in entities with various real estate holdings.

(2) Represents unconsolidated interests in projects under development and land held for development.  See further discussion below.  

(3) Represents unconsolidated investments in real estate technology funds/companies.

(4) In certain instances, the joint venture agreements contain provisions for promoted interests in favor of our joint venture partner.  If the terms of the promoted interest are attained, then our share of the proceeds from a sale or other capital event of the unconsolidated entity may be less than the indicated ownership percentage.

The following table summarizes the Company’s unconsolidated joint ventures that were deemed to be VIEs as of June 30, 2022:

	Real Estate Holdings (1)		Projects Under Development (2)				Land Held for Development (2), (3)
	Entities		Projects		Apartment Units (4)		Projects		Apartment Units (4)
Unconsolidated Joint Ventures (VIE)		2		4		1,291		2		640

(1) Represents entities that hold various real estate investments.

(2) Represents separate unconsolidated joint ventures for the purpose of developing multifamily rental properties.  

(3) Represents separate unconsolidated joint ventures that have not yet started but are expected to start construction in 2022.  One parcel is subject to a long-term ground lease.

(4) Represents the intended number of apartment units to be developed.

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Restricted Deposits

6 Months Ended

Jun. 30, 2022

Deposits Restricted [Abstract]

Restricted Deposits

7. Restricted Deposits

The following table presents the Company’s restricted deposits as of June 30, 2022 and December 31, 2021 (amounts in thousands):

	June 30, 2022		December 31, 2021
Mortgage escrow deposits:
Replacement reserves	$	11,855	$	11,156
Mortgage principal reserves/sinking funds		21,752		19,104
Mortgage escrow deposits		33,607		30,260
Restricted cash:
Tax-deferred (1031) exchange proceeds		—		166,362
Earnest money on pending acquisitions		—		2,000
Restricted deposits on real estate investments		242		284
Resident security and utility deposits		37,504		35,663
Other		2,288		1,835
Restricted cash		40,034		206,144
Restricted deposits	$	73,641	$	236,404

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Leases

6 Months Ended

Jun. 30, 2022

Leases [Abstract]

Leases

8. Leases

Lessor Accounting

The Company is the lessor for its residential and non-residential leases and these leases are accounted for as operating leases under the lease standard.

For the six months ended June 30, 2022, approximately 97% of the Company’s total lease revenue is generated from residential apartment leases that are generally twelve months or less in length.  The residential apartment leases may include lease income related to such items as utility recoveries, parking rent, storage rent and pet rent that the Company treats as a single lease component because the amenities cannot be leased on their own and the timing and pattern of revenue recognition are the same.  The collection of lease payments at lease commencement is probable and therefore the Company subsequently recognizes lease income over the lease term on a straight-line basis.  Residential leases are renewable upon consent of both parties on an annual or monthly basis.

For the six months ended June 30, 2022, approximately 3% of the Company’s total lease revenue is generated by non-residential leases that are generally for terms ranging between five to ten years.  The non-residential leases generally consist of ground floor retail spaces and master-leased parking garages that serve as additional amenities for our residents.  The non-residential leases may include lease income related to such items as utility recoveries, parking rent and storage rent that the Company treats as a single lease component because the amenities cannot be leased on their own and the timing and pattern of revenue recognition are the same.  The collection of lease payments at lease commencement is probable and therefore the Company subsequently recognizes lease income over the lease term on a straight-line basis.  Non-residential leases are renewable with market-based renewal options.

The following table presents the lease income types relating to lease payments for residential and non-residential leases along with the total other rental income for the six months ended June 30, 2022 and 2021 (amounts in thousands):

	Six Months Ended June 30, 2022									Six Months Ended June 30, 2021
Income Type	Residential Leases			Non-Residential Leases			Total			Residential Leases			Non-Residential Leases		Total
Residential and non-residential rent	$	1,192,048		$	32,095		$	1,224,143		$	1,078,304		$	31,237	$	1,109,541
Utility recoveries (RUBS income) (1)		39,583			369			39,952			36,533			330		36,863
Parking rent		21,706			202			21,908			19,890			362		20,252
Other lease revenue (2)		(889	)		(197	)		(1,086	)		(18,970	)		1,138		(17,832	)
Total lease revenue	$	1,252,448		$	32,469			1,284,917		$	1,115,757		$	33,067		1,148,824
Parking revenue								18,431								11,572
Other revenue								37,030								35,265
Total other rental income (3)								55,461								46,837
Rental income							$	1,340,378							$	1,195,661

(1) RUBS income primarily consists of variable payments representing the recovery of utility costs from residents.

(2) Other lease revenue consists of the revenue adjustment related to bad debt and other miscellaneous lease revenue.

(3) Other rental income is accounted for under the revenue recognition standard.

The following table presents the lease income types relating to lease payments for residential and non-residential leases along with the total other rental income for the quarters ended June 30, 2022 and 2021 (amounts in thousands):

	Quarter Ended June 30, 2022							Quarter Ended June 30, 2021
Income Type	Residential Leases		Non-Residential Leases			Total		Residential Leases			Non-Residential Leases		Total
Residential and non-residential rent	$	605,158	$	16,221		$	621,379	$	538,649		$	15,398	$	554,047
Utility recoveries (RUBS income) (1)		19,985		188			20,173		18,579			152		18,731
Parking rent		10,923		104			11,027		10,156			95		10,251
Other lease revenue (2)		5,412		(154	)		5,258		(8,708	)		529		(8,179	)
Total lease revenue	$	641,478	$	16,359			657,837	$	558,676		$	16,174		574,850
Parking revenue							9,623							6,139
Other revenue							19,570							17,070
Total other rental income (3)							29,193							23,209
Rental income						$	687,030						$	598,059

(1) RUBS income primarily consists of variable payments representing the recovery of utility costs from residents.

(2) Other lease revenue consists of the revenue adjustment related to bad debt and other miscellaneous lease revenue.

(3) Other rental income is accounted for under the revenue recognition standard.

The following table presents residential and non-residential accounts receivable and straight-line receivable balances for the Company’s properties as of June 30, 2022 and December 31, 2021 (amounts in thousands):

	Residential							Non-Residential
Balance Sheet (Other assets):	June 30, 2022				December 31, 2021			June 30, 2022			December 31, 2021
Resident/tenant accounts receivable balances	$	36,068			$	37,959		$	3,444		$	3,218
Allowance for doubtful accounts		(32,358	)			(33,121	)		(2,553	)		(2,365	)
Net receivable balances	$	3,710		(1)	$	4,838		$	891		$	853
Straight-line receivable balances	$	4,757			$	7,460		$	13,551		$	13,021

(1) The Company held residential security deposits approximating 62.6% of the net residential receivable balance at June 30, 2022.

The following table presents residential bad debt for the Company’s properties for the six months and quarters ended June 30, 2022 and 2021 (amounts in thousands):

	Six Months Ended June 30,						Quarter Ended June 30,
Income Statement (Rental income):		2022			2021			2022			2021
Bad debt, net (1)	$	8,147		$	25,772		$	(1,748	)	$	12,079
% of rental income		0.6	%		2.2	%		(0.3	%)		2.1	%

(1) Bad debt, net benefited from additional resident payments due to governmental rental assistance programs of approximately $24.6 million and $14.8 million for the six months and quarter ended June 30, 2022, respectively.

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Debt

6 Months Ended

Jun. 30, 2022

Debt Disclosure [Abstract]

Debt

9. Debt

EQR does not have any indebtedness as all debt is incurred by the Operating Partnership.  Weighted average interest rates noted below for the six months ended June 30, 2022 include the effect of any derivative instruments and amortization of premiums/discounts/OCI (other comprehensive income) on debt and derivatives.

Mortgage Notes Payable

The following table summarizes the Company’s mortgage notes payable activity for the six months ended June 30, 2022 (amounts in thousands):

	Mortgage notes payable, net as of December 31, 2021		Proceeds			Lump sum payoffs			Scheduled principal repayments			Amortization of premiums/ discounts		Amortization of deferred financing costs, net (1)		Mortgage notes payable, net as of June 30, 2022
Fixed Rate Debt:
Secured – Conventional	$	1,896,472	$	—		$	(260,874	)	$	(2,985	)	$	928	$	714	$	1,634,255
Floating Rate Debt:
Secured – Conventional		59,890		14,586	(2)		—			—			—		148		74,624
Secured – Tax Exempt		234,839		—			—			—			617		69		235,525
Floating Rate Debt		294,729		14,586			—			—			617		217		310,149
Total	$	2,191,201	$	14,586		$	(260,874	)	$	(2,985	)	$	1,545	$	931	$	1,944,404

(1) Represents amortization of deferred financing costs, net of debt financing costs.  

(2) See Note 6 for additional discussion of the variable rate construction mortgage debt.

The following table summarizes certain interest rate and maturity date information as of and for the six months ended June 30, 2022:

	June 30, 2022
Interest Rate Ranges	0.10% - 4.21%
Weighted Average Interest Rate	3.37%
Maturity Date Ranges	2023-2061

As of June 30, 2022, the Company had $250.0 million of secured debt (primarily tax-exempt bonds) subject to third-party credit enhancement.

Notes

The following table summarizes the Company’s notes activity for the six months ended June 30, 2022 (amounts in thousands):

	Notes, net as of December 31, 2021		Proceeds		Lump sum payoffs		Amortization of premiums/ discounts		Amortization of deferred financing costs, net (1)		Notes, net as of June 30, 2022
Fixed Rate Debt:
Unsecured – Public	$	5,835,222	$	—	$	—	$	1,346	$	2,125	$	5,838,693

(1) Represents amortization of deferred financing costs, net of debt financing costs.

The following table summarizes certain interest rate and maturity date information as of and for the six months ended June 30, 2022:

	June 30, 2022
Interest Rate Ranges	1.85% - 7.57%
Weighted Average Interest Rate	3.60%
Maturity Date Ranges	2023-2047

The Company’s unsecured public notes contain certain financial and operating covenants including, among other things, maintenance of certain financial ratios.  The Company was in compliance with its unsecured public debt covenants for the six months ended June 30, 2022.

Line of Credit and Commercial Paper

The Company has a $2.5 billion unsecured revolving credit facility maturing November 1, 2024.  The Company has the ability to increase available borrowings by an additional $750.0 million by adding lenders to the facility, obtaining the agreement of existing lenders to increase their commitments or incurring one or more term loans.  The interest rate on advances under the facility will generally be LIBOR plus a spread (currently 0.775%), or based on bids received from the lending group, and the Company pays an annual facility fee (currently 0.125%).  Both the spread and the facility fee are dependent on the Company’s senior unsecured credit rating.  The Company did not borrow any amounts under its revolving credit facility during the six months ended June 30, 2022.

The Company has an unsecured commercial paper note program under which it may borrow up to a maximum of $1.0 billion subject to market conditions.  The notes will be sold under customary terms in the United States commercial paper note market and will rank pari passu with all of the Company’s other unsecured senior indebtedness.  The notes bear interest at various floating rates with a weighted average interest rate of 0.60% for the six months ended June 30, 2022 and a weighted average maturity of 12 days as of June 30, 2022.  The weighted average amount outstanding for the six months ended June 30, 2022 was approximately $186.7 million.

The Company limits its utilization of the revolving credit facility in order to maintain liquidity to support its $1.0 billion commercial paper program along with certain other obligations.  The following table presents the availability on the Company’s unsecured revolving credit facility as of June 30, 2022 (amounts in thousands):

	June 30, 2022
Unsecured revolving credit facility commitment	$	2,500,000
Commercial paper balance outstanding		(185,037	)
Unsecured revolving credit facility balance outstanding		—
Other restricted amounts		(3,463	)
Unsecured revolving credit facility availability	$	2,311,500

Other

The following table summarizes the Company’s total debt extinguishment costs recorded as additional interest expense for the six months and quarters ended June 30, 2022 and 2021 (amounts in thousands):

	Six Months Ended June 30,				Quarter Ended June 30,
	2022		2021		2022		2021
Write-offs of unamortized deferred financing costs	$	92	$	264	$	92	$	—
Write-offs of unamortized (premiums)/discounts/OCI		377		—		377		—
Total	$	469	$	264	$	469	$	—

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Fair Value Measurements

6 Months Ended

Jun. 30, 2022

Fair Value Disclosures [Abstract]

Fair Value Measurements

10. Fair Value Measurements

The valuation of financial instruments requires the Company to make estimates and judgments that affect the fair value of the instruments.  The Company, where possible, bases the fair values of its financial instruments on listed market prices and third-party quotes.  Where these are not available, the Company bases its estimates on current instruments with similar terms and maturities or on other factors relevant to the financial instruments.

In the normal course of business, the Company is exposed to the effect of interest rate changes.  The Company may seek to manage these risks by following established risk management policies and procedures including the use of derivatives to hedge interest rate risk on debt instruments.  The Company may also use derivatives to manage commodity prices in the daily operations of the business.  

A three-level valuation hierarchy exists for disclosure of fair value measurements.  The valuation hierarchy is based upon the transparency of inputs to the valuation of an asset or liability as of the measurement date.  A financial instrument’s categorization within the valuation hierarchy is based upon the lowest level of input that is significant to the fair value measurement.  The three levels are defined as follows:

• Level 1 – Inputs to the valuation methodology are quoted prices (unadjusted) for identical assets or liabilities in active markets.

• Level 2 – Inputs to the valuation methodology include quoted prices for similar assets and liabilities in active markets, and inputs that are observable for the asset or liability, either directly or indirectly, for substantially the full term of the financial instrument.

• Level 3 – Inputs to the valuation methodology are unobservable and significant to the fair value measurement.

The Company’s derivative positions are valued using models developed by the respective counterparty as well as models applied internally by the Company that use as their inputs readily observable market parameters (such as forward yield curves and credit default swap data). The following table summarizes the inputs to the valuations for each type of fair value measurement:

Fair Value Measurement Type	Valuation Inputs
Employee holdings (other than Common Shares) within the supplemental executive retirement plan (the “SERP”)	Quoted market prices for identical assets. These holdings are included in other assets and other liabilities on the consolidated balance sheets.
Redeemable Noncontrolling Interests – Operating Partnership/Redeemable Limited Partners	Quoted market price of Common Shares.
Mortgage notes payable and private unsecured debt (including its commercial paper and line of credit, if applicable)	Indicative rates provided by lenders of similar loans.
Public unsecured notes	Quoted market prices for each underlying issuance.

The fair values of the Company’s financial instruments (other than mortgage notes payable, unsecured notes, commercial paper, line of credit and derivative instruments), including cash and cash equivalents and other financial instruments, approximate their carrying or contract value.  The following table provides a summary of the carrying and fair values for the Company’s mortgage notes payable and unsecured debt (including its commercial paper and line of credit, if applicable) at June 30, 2022 and December 31, 2021, respectively (amounts in thousands):

	June 30, 2022				December 31, 2021
	Carrying Value		Estimated Fair Value (Level 2)		Carrying Value		Estimated Fair Value (Level 2)
Mortgage notes payable, net	$	1,944,404	$	1,847,010	$	2,191,201	$	2,193,689
Unsecured debt, net		6,023,639		5,693,443		6,150,252		6,798,309
Total debt, net	$	7,968,043	$	7,540,453	$	8,341,453	$	8,991,998

The following table summarizes the Company’s consolidated derivative instruments at June 30, 2022 (dollar amounts are in thousands):

	Forward Starting Swaps (1)
Current Notional Balance	$	150,000
Lowest Interest Rate		2.790	%
Highest Interest Rate		2.972	%
Maturity Date		2033

(1) Forward Starting Swaps – Designed to partially fix interest rates in advance of planned future debt issuances.  These swaps have mandatory counterparty terminations in 2024 and are targeted for certain 2023 debt issuances.

The following tables provide a summary of the fair value measurements for each major category of assets and liabilities measured at fair value on a recurring basis and the location within the accompanying consolidated balance sheets at June 30, 2022 and December 31, 2021, respectively (amounts in thousands):

				Fair Value Measurements at Reporting Date Using
Description	Balance Sheet Location	6/30/2022		Quoted Prices in Active Markets for Identical Assets/Liabilities (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)
Assets
Supplemental Executive Retirement Plan	Other Assets	$	129,067	$	129,067	$	—	$	—
Liabilities
Derivatives designated as hedging instruments:
Interest Rate Contracts:
Forward Starting Swaps	Other Liabilities	$	1,259	$	—	$	1,259	$	—
Supplemental Executive Retirement Plan	Other Liabilities		129,067		129,067		—		—
Total		$	130,326	$	129,067	$	1,259	$	—
Redeemable Noncontrolling Interests –
Operating Partnership/Redeemable
Limited Partners	Mezzanine	$	398,188	$	—	$	398,188	$	—

				Fair Value Measurements at Reporting Date Using
Description	Balance Sheet Location	12/31/2021		Quoted Prices in Active Markets for Identical Assets/Liabilities (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)
Assets
Supplemental Executive Retirement Plan	Other Assets	$	164,650	$	164,650	$	—	$	—
Liabilities
Supplemental Executive Retirement Plan	Other Liabilities	$	164,650	$	164,650	$	—	$	—
Redeemable Noncontrolling Interests –
Operating Partnership/Redeemable
Limited Partners	Mezzanine	$	498,977	$	—	$	498,977	$	—

The following tables provide a summary of the effect of cash flow hedges on the Company’s accompanying consolidated statements of operations and comprehensive income for the six months ended June 30, 2022 and 2021, respectively (amounts in thousands):

June 30, 2022 Type of Cash Flow Hedge	Amount of Gain/(Loss) Recognized in OCI on Derivative			Location of Gain/(Loss) Reclassified from Accumulated OCI into Income	Amount of Gain/(Loss) Reclassified from Accumulated OCI into Income
Derivatives designated as hedging instruments:
Interest Rate Contracts:
Forward Starting Swaps	$	(1,259	)	Interest expense	$	(4,881	)
Total	$	(1,259	)		$	(4,881	)

June 30, 2021 Type of Cash Flow Hedge	Amount of Gain/(Loss) Recognized in OCI on Derivative		Location of Gain/(Loss) Reclassified from Accumulated OCI into Income	Amount of Gain/(Loss) Reclassified from Accumulated OCI into Income
Derivatives designated as hedging instruments:
Interest Rate Contracts:
Forward Starting Swaps	$	—	Interest expense	$	(4,637	)
Total	$	—		$	(4,637	)

As of June 30, 2022 and December 31, 2021, there were approximately $30.6 million and $34.3 million in deferred losses, net, included in accumulated other comprehensive income (loss), respectively, related to previously settled derivative instruments, of which an estimated $8.9 million may be recognized as additional interest expense during the twelve months ending June 30, 2023.

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Earnings Per Share and Earnings Per Unit

6 Months Ended

Jun. 30, 2022

Earnings Per Share [Abstract]

Earnings Per Share And Earnings Per Unit

11. Earnings Per Share and Earnings Per Unit

Equity Residential

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):

	Six Months Ended June 30,						Quarter Ended June 30,
	2022			2021			2022			2021
Numerator for net income per share – basic:
Net income	$	306,476		$	388,404		$	232,678		$	328,040
Allocation to Noncontrolling Interests – Operating Partnership		(10,027	)		(13,056	)		(7,633	)		(10,913	)
Net (income) loss attributable to Noncontrolling    Interests – Partially Owned Properties		(1,583	)		(1,423	)		(944	)		(741	)
Preferred distributions		(1,545	)		(1,545	)		(773	)		(772	)
Numerator for net income per share – basic	$	293,321		$	372,380		$	223,328		$	315,614
Numerator for net income per share – diluted:
Net income	$	306,476		$	388,404		$	232,678		$	328,040
Net (income) loss attributable to Noncontrolling    Interests – Partially Owned Properties		(1,583	)		(1,423	)		(944	)		(741	)
Preferred distributions		(1,545	)		(1,545	)		(773	)		(772	)
Numerator for net income per share – diluted	$	303,348		$	385,436		$	230,961		$	326,527
Denominator for net income per share – basic and diluted:
Denominator for net income per share – basic		375,640			373,050			375,769			373,812
Effect of dilutive securities:
OP Units		11,891			12,544			11,895			12,044
Long-term compensation shares/units		1,863			1,773			1,698			1,964
ATM forward sales		69			—			1			—
Denominator for net income per share – diluted		389,463			387,367			389,363			387,820
Net income per share – basic	$	0.78		$	1.00		$	0.59		$	0.84
Net income per share – diluted	$	0.78		$	1.00		$	0.59		$	0.84

ERP Operating Limited Partnership

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):

	Six Months Ended June 30,						Quarter Ended June 30,
	2022			2021			2022			2021
Numerator for net income per Unit – basic and diluted:
Net income	$	306,476		$	388,404		$	232,678		$	328,040
Net (income) loss attributable to Noncontrolling    Interests – Partially Owned Properties		(1,583	)		(1,423	)		(944	)		(741	)
Allocation to Preference Units		(1,545	)		(1,545	)		(773	)		(772	)
Numerator for net income per Unit – basic and diluted	$	303,348		$	385,436		$	230,961		$	326,527
Denominator for net income per Unit – basic and diluted:
Denominator for net income per Unit – basic		387,531			385,594			387,664			385,856
Effect of dilutive securities:
Dilution for Units issuable upon assumed exercise/vesting    of the Company’s long-term compensation shares/units		1,863			1,773			1,698			1,964
ATM forward sales		69			—			1			—
Denominator for net income per Unit – diluted		389,463			387,367			389,363			387,820
Net income per Unit – basic	$	0.78		$	1.00		$	0.59		$	0.84
Net income per Unit – diluted	$	0.78		$	1.00		$	0.59		$	0.84

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Commitments and Contingencies

6 Months Ended

Jun. 30, 2022

Commitments And Contingencies Disclosure [Abstract]

Commitments and Contingencies

12. Commitments and Contingencies

Commitments

Real Estate Development Commitments

As of June 30, 2022, the Company has both consolidated and unconsolidated real estate projects under development.  We have entered into, and may continue in the future to enter into, joint venture agreements with third-party partners for the development of multifamily rental properties.  The joint venture agreements with each development partner include buy-sell provisions that provide the right, but not the obligation, for the Company to acquire each respective partner’s interests or sell its interests at any time following the occurrence of certain pre-defined events described in the joint venture agreements.  See Note 6 for additional discussion.

The following table summarizes the gross remaining total project costs for the Company’s projects under development at June 30, 2022 (total project costs remaining in thousands):

	Projects		Apartment Units		Total Project Costs Remaining (1)
Projects Under Development
Consolidated		2		537	$	195,487
Unconsolidated		4		1,291		291,066
Total Projects Under Development		6		1,828	$	486,553

(1) The Company’s share of the $486.6 million in total project costs remaining approximates $161.1 million, with the balance funded by the Company’s joint venture partners (approximately $6.3 million) and/or applicable construction loans (approximately $319.2 million).

Other Commitments

We have entered into, and may continue in the future to enter into, real estate technology and other real estate fund investments.  At June 30, 2022, the Company has invested in eight real estate technology funds and one other real estate investment fund with aggregate remaining commitments of approximately $24.7 million.

Contingencies

Litigation and Legal Matters

The Company, as an owner of real estate, is subject to various federal, state and local laws.  Compliance by the Company with existing laws has not had a material adverse effect on the Company.  However, the Company cannot predict the impact of new or changed laws or regulations on its current properties or on properties that it may acquire in the future.

The Company does not believe there is any litigation pending or threatened against it that, individually or in the aggregate, may reasonably be expected to have a material adverse effect on the Company.

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Reportable Segments

6 Months Ended

Jun. 30, 2022

Segment Reporting [Abstract]

Reportable Segments

13. Reportable Segments

Operating segments are defined as components of an enterprise that engage in business activities from which they may earn revenues and incur expenses and about which discrete financial information is available that is evaluated regularly by the chief operating decision maker.  The chief operating decision maker decides how resources are allocated and assesses performance on a recurring basis at least quarterly.

The Company’s primary business is the acquisition, development and management of multifamily residential properties, which includes the generation of rental and other related income through the leasing of apartment units to residents.  The chief operating decision maker evaluates the Company’s operating performance geographically by market and both on a same store and non-same store basis.  While the Company does maintain a non-residential presence, it accounts for approximately 3.8% of total revenues for the six months ended June 30, 2022 and is designed as an amenity for our residential residents.  The chief operating decision maker evaluates the performance of each property on a consolidated residential and non-residential basis.  The Company’s geographic consolidated same store operating segments represent its reportable segments.

The Company’s development activities are other business activities that do not constitute an operating segment and as such, have been aggregated in the “Other” category in the tables presented below.

All revenues are from external customers and there is no customer who contributed 10% or more of the Company’s total revenues during the six months and quarters ended June 30, 2022 and 2021, respectively.

The primary financial measure for the Company’s rental real estate segment is net operating income (“NOI”), which represents rental income less: 1) property and maintenance expense and 2) real estate taxes and insurance expense (all as reflected in the accompanying consolidated statements of operations and comprehensive income).  The Company believes that NOI is helpful to investors as a supplemental measure of its operating performance because it is a direct measure of the actual operating results of the Company’s apartment properties.  Revenues for all leases are reflected on a straight-line basis in accordance with GAAP for the current and comparable periods.

The following table presents a reconciliation of NOI from our rental real estate for the six months and quarters ended June 30, 2022 and 2021, respectively (amounts in thousands):

	Six Months Ended June 30,						Quarter Ended June 30,
	2022			2021			2022			2021
Rental income	$	1,340,378		$	1,195,661		$	687,030		$	598,059
Property and maintenance expense		(241,229	)		(224,800	)		(116,355	)		(107,746	)
Real estate taxes and insurance expense		(202,538	)		(200,871	)		(101,850	)		(97,401	)
Total operating expenses		(443,767	)		(425,671	)		(218,205	)		(205,147	)
Net operating income	$	896,611		$	769,990		$	468,825		$	392,912

The following tables present NOI from our rental real estate for each segment for the six months and quarters ended June 30, 2022 and 2021, respectively, as well as total assets and capital expenditures at June 30, 2022 (amounts in thousands):

	Six Months Ended June 30, 2022						Six Months Ended June 30, 2021
	Rental Income		Operating Expenses		NOI		Rental Income		Operating Expenses		NOI
Same store (1)
Los Angeles	$	241,119	$	72,466	$	168,653	$	213,291	$	70,202	$	143,089
Orange County		60,018		12,805		47,213		52,510		12,411		40,099
San Diego		42,410		9,555		32,855		37,928		9,176		28,752
Subtotal - Southern California		343,547		94,826		248,721		303,729		91,789		211,940
San Francisco		206,018		61,588		144,430		188,762		59,386		129,376
Washington D.C.		203,494		68,073		135,421		194,911		64,309		130,602
New York		218,855		99,705		119,150		188,676		98,235		90,441
Seattle		137,255		38,837		98,418		126,450		40,434		86,016
Boston		127,660		39,881		87,779		115,089		38,077		77,012
Denver		21,404		5,939		15,465		18,920		5,532		13,388
Total same store		1,258,233		408,849		849,384		1,136,537		397,762		738,775
Non-same store/other
Non-same store (2)		77,019		31,614		45,405		5,186		2,299		2,887
Other (3)		5,126		3,304		1,822		53,938		25,610		28,328
Total non-same store/other		82,145		34,918		47,227		59,124		27,909		31,215
Totals	$	1,340,378	$	443,767	$	896,611	$	1,195,661	$	425,671	$	769,990

(1) For the six months ended June 30, 2022 and 2021, same store primarily includes all properties acquired or completed that were stabilized prior to January 1, 2021, less properties subsequently sold, which represented 74,057 apartment units.

(2) For the six months ended June 30, 2022 and 2021, non-same store primarily includes properties acquired after January 1, 2021, plus any properties in lease-up and not stabilized as of January 1, 2021.

(3) Other includes development, other corporate operations and operations prior to disposition for properties sold.

	Quarter Ended June 30, 2022							Quarter Ended June 30, 2021
	Rental Income		Operating Expenses		NOI			Rental Income		Operating Expenses		NOI
Same store (1)
Los Angeles	$	125,767	$	35,692	$	90,075		$	106,873	$	34,509	$	72,364
Orange County		31,252		6,381		24,871			26,669		6,096		20,573
San Diego		21,470		4,626		16,844			19,188		4,543		14,645
Subtotal - Southern California		178,489		46,699		131,790			152,730		45,148		107,582
San Francisco		105,402		30,050		75,352			93,784		28,982		64,802
Washington D.C.		103,022		34,172		68,850			97,423		31,701		65,722
New York		112,865		48,559		64,306			94,473		48,258		46,215
Seattle		70,128		19,512		50,616			62,603		19,999		42,604
Boston		65,066		19,443		45,623			57,777		18,530		39,247
Denver		10,825		2,930		7,895			9,575		2,710		6,865
Total same store		645,797		201,365		444,432			568,365		195,328		373,037
Non-same store/other
Non-same store (2)		40,501		15,646		24,855			3,436		1,660		1,776
Other (3)		732		1,194		(462	)		26,258		8,159		18,099
Total non-same store/other		41,233		16,840		24,393			29,694		9,819		19,875
Totals	$	687,030	$	218,205	$	468,825		$	598,059	$	205,147	$	392,912

(1) For the quarters ended June 30, 2022 and 2021, same store primarily includes all properties acquired or completed that were stabilized prior to April 1, 2021, less properties subsequently sold, which represented 74,057 apartment units.

(2) For the quarters ended June 30, 2022 and 2021, non-same store primarily includes properties acquired after April 1, 2021, plus any properties in lease-up and not stabilized as of April 1, 2021.

(3) Other includes development, other corporate operations and operations prior to disposition for properties sold.

	Six Months Ended June 30, 2022
	Total Assets		Capital Expenditures
Same store (1)
Los Angeles	$	2,748,850	$	14,728
Orange County		362,679		2,643
San Diego		228,219		1,828
Subtotal - Southern California		3,339,748		19,199
San Francisco		3,114,937		13,003
Washington D.C.		3,120,459		13,391
New York		3,700,473		12,422
Seattle		2,106,727		8,761
Boston		1,708,006		9,799
Denver		482,417		562
Total same store		17,572,767		77,137
Non-same store/other
Non-same store (2)		2,421,668		6,053
Other (3)		579,910		114
Total non-same store/other		3,001,578		6,167
Totals	$	20,574,345	$	83,304

(1) Same store primarily includes all properties acquired or completed that were stabilized prior to January 1, 2021, less properties subsequently sold, which represented 74,057 apartment units.

(2) Non-same store primarily includes properties acquired after January 1, 2021, plus any properties in lease-up and not stabilized as of January 1, 2021.

(3) Other includes development, other corporate operations and capital expenditures for properties sold.

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Subsequent Events

6 Months Ended

Jun. 30, 2022

Subsequent Events [Abstract]

Subsequent Events

14. Subsequent Events

Subsequent to June 30, 2022, the Company:

• Sold one property consisting of 455 apartment units for approximately $415.0 million;

• Entered into $200.0 million of forward starting swaps to hedge changes in interest rates related to future taxable secured or unsecured debt issuances; and  

• Sent a redemption notice on its $500.0 million unsecured notes due in 2023. The redemption is expected to occur in the third quarter of 2022 and will be funded from disposition proceeds.

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Summary of Significant Accounting Policies (Policies)

6 Months Ended

Jun. 30, 2022

Summary Of Significant Accounting Policies [Abstract]

Basis of Presentation

Basis of Presentation

The accompanying unaudited condensed consolidated financial statements have been prepared in accordance with accounting principles generally accepted in the United States for interim financial information and with the instructions to Form 10-Q and Article 10 of Regulation S-X.  Accordingly, they do not include all of the information and footnotes required by accounting principles generally accepted in the United States (“GAAP”) for complete financial statements.  In the opinion of management, all adjustments (consisting of normal recurring accruals) and certain reclassifications considered necessary for a fair presentation have been included.  Operating results for the six months ended June 30, 2022 are not necessarily indicative of the results that may be expected for the year ending December 31, 2022.

In preparation of the Company’s financial statements in conformity with accounting principles generally accepted in the United States, management makes estimates and assumptions that affect the reported amounts of assets and liabilities and disclosure of contingent assets and liabilities at the date of the financial statements as well as the reported amounts of revenues and expenses during the reporting period.  Actual results could differ from these estimates.

The balance sheets at December 31, 2021 have been derived from the audited financial statements at that date but do not include all of the information and footnotes required by accounting principles generally accepted in the United States for complete financial statements.

For further information, including definitions of capitalized terms not defined herein, refer to the consolidated financial statements and footnotes thereto included in the Company’s and the Operating Partnership’s Annual Report on Form 10-K for the year ended December 31, 2021.

Income and Other Taxes

Income and Other Taxes

EQR has elected to be taxed as a REIT.  This, along with the nature of the operations of its operating properties, resulted in no provision for federal income taxes at the EQR level.  In addition, ERPOP generally is not liable for federal income taxes as the partners recognize their allocable share of income or loss in their tax returns; therefore no provision for federal income taxes has been made at the ERPOP level.  Historically, the Company has generally only incurred certain state and local income, excise and franchise taxes.  The Company has elected taxable REIT subsidiary (“TRS”) status for certain of its corporate subsidiaries and, as a result, these entities will incur both federal and state income taxes on any taxable income of such entities after consideration of any net operating losses.

Recent Accounting Pronouncements

Recent Accounting Pronouncements

In August 2020, the Financial Accounting Standards Board (“FASB”) issued an amendment to the debt and equity financial instruments standards which simplifies the accounting for convertible instruments and accounting for contracts in an entity’s own equity.  The Company adopted the standard when effective on January 1, 2022 and it had no impact on its consolidated results of operations and financial position.

In March 2020, the FASB issued an amendment to the reference rate reform standard which provides the option for a limited period of time to ease the potential burden in accounting for, or recognizing the effects of, reference rate reform on contract modifications and hedge accounting.  An example of such reform is the expected market transition from the London Interbank Offered Rate (“LIBOR”) and other interbank offered rates to alternative reference rates.  Entities that make this optional expedient election would not have to remeasure the contracts at the modification date or reassess the accounting treatment if certain criteria are met and would continue applying hedge accounting for relationships affected by reference rate reform.  The new standard was effective for the Company upon issuance and elections can be made through December 31, 2022.  The Company elected to apply the hedge accounting expedients related to probability and the assessments of effectiveness for future LIBOR-indexed cash flows to assume that the index upon which future hedged transactions will be based matches the index on the corresponding derivatives. Application of these expedients preserves the presentation of derivatives consistent with past presentation. The Company continues to evaluate the impact of the guidance and may apply other elections as applicable as additional changes in the market occur.

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Business (Tables)

6 Months Ended

Jun. 30, 2022

Organization Consolidation And Presentation Of Financial Statements [Abstract]

Ownership Breakdown

The ownership breakdown includes (table does not include various uncompleted development properties):

	Properties		Apartment Units
Wholly Owned Properties		295		77,113
Partially Owned Properties – Consolidated		15		3,114
		310		80,227

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Equity, Capital and Other Interests (Tables)

6 Months Ended

Jun. 30, 2022

Class Of Stock [Line Items]

Changes in Issued and Outstanding Common Shares and Units

The following table presents the changes in the Company’s issued and outstanding Common Shares and Units for the six months ended June 30, 2022 and 2021:

	2022			2021
Common Shares
Common Shares outstanding at January 1,		375,527,195			372,302,000
Common Shares Issued:
Conversion of OP Units		31,089			1,084,023
Exercise of share options		348,510			833,669
Employee Share Purchase Plan (ESPP)		35,669			47,761
Restricted share grants, net		175,970			87,377
Common Shares outstanding at June 30,		376,118,433			374,354,830
Units
Units outstanding at January 1,		12,659,027			13,858,073
Restricted unit grants, net		223,242			155,638
Conversion of OP Units to Common Shares		(31,089	)		(1,084,023	)
Units outstanding at June 30,		12,851,180			12,929,688
Total Common Shares and Units outstanding at June 30,		388,969,613			387,284,518
Units Ownership Interest in Operating Partnership		3.3	%		3.3	%

Changes in Redemption Value of Redeemable Noncontrolling Interests - Operating Partnership/Redeemable Limited Partners

The following table presents the changes in the redemption value of the Redeemable Noncontrolling Interests – Operating Partnership/Redeemable Limited Partners for the six months ended June 30, 2022 and 2021, respectively (amounts in thousands):

	2022			2021
Balance at January 1,	$	498,977		$	338,951
Change in market value		(98,140	)		101,966
Change in carrying value		(2,649	)		(794	)
Balance at June 30,	$	398,188		$	440,123

Issued and Outstanding Preferred Shares and Preference Units

The following table presents the Company’s issued and outstanding Preferred Shares/Preference Units as of June 30, 2022 and December 31, 2021:

				Amounts in thousands
		Annual
	Call	Dividend Per		June 30,		December 31,
	Date (1)	Share/Unit (2)		2022		2021
Preferred Shares/Preference Units of beneficial interest, $0.01 par value;    100,000,000 shares authorized:
8.29% Series K Cumulative Redeemable Preferred Shares/Preference    Units; liquidation value $50 per share/unit; 745,600 shares/units issued    and outstanding as of June 30, 2022 and December 31, 2021	12/10/26	$	4.145	$	37,280	$	37,280
				$	37,280	$	37,280

(1) On or after the call date, redeemable Preferred Shares/Preference Units may be redeemed for cash at the option of the Company or the Operating Partnership, respectively, in whole or in part, at a redemption price equal to the liquidation price per share/unit, plus accrued and

unpaid distributions, if any.

(2) Dividends on Preferred Shares/Preference Units are payable quarterly.

ERPOP [Member]

Class Of Stock [Line Items]

Changes in Issued and Outstanding Common Shares and Units

The following table presents the changes in the Operating Partnership’s issued and outstanding General Partner Units and Limited Partner Units for the six months ended June 30, 2022 and 2021:

	2022			2021
General and Limited Partner Units
General and Limited Partner Units outstanding at January 1,		388,186,222			386,160,073
Issued to General Partner:
Exercise of EQR share options		348,510			833,669
EQR’s Employee Share Purchase Plan (ESPP)		35,669			47,761
EQR’s restricted share grants, net		175,970			87,377
Issued to Limited Partners:
Restricted unit grants, net		223,242			155,638
General and Limited Partner Units outstanding at June 30,		388,969,613			387,284,518
Limited Partner Units
Limited Partner Units outstanding at January 1,		12,659,027			13,858,073
Limited Partner restricted unit grants, net		223,242			155,638
Conversion of Limited Partner OP Units to EQR Common Shares		(31,089	)		(1,084,023	)
Limited Partner Units outstanding at June 30,		12,851,180			12,929,688
Limited Partner Units Ownership Interest in Operating Partnership		3.3	%		3.3	%

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Real Estate (Tables)

6 Months Ended

Jun. 30, 2022

Real Estate [Abstract]

Summary of Carrying Amounts of Investment in Real Estate

The following table summarizes the carrying amounts for the Company’s investment in real estate (at cost) as of June 30, 2022 and December 31, 2021 (amounts in thousands):

	June 30, 2022			December 31, 2021
Land	$	5,733,412		$	5,814,790
Depreciable property:
Buildings and improvements		19,654,296			19,632,284
Furniture, fixtures and equipment		2,271,136			2,220,203
In-Place lease intangibles		517,881			518,324
Projects under development:
Land		3,200			—
Construction-in-progress		61,961			24,307
Land held for development:
Land		46,160			46,160
Construction-in-progress		13,413			16,838
Investment in real estate		28,301,459			28,272,906
Accumulated depreciation		(8,740,806	)		(8,354,282	)
Investment in real estate, net	$	19,560,653		$	19,918,624

Acquired Properties From Unaffiliated Parties

During the six months ended June 30, 2022, the Company acquired the following from unaffiliated parties (purchase price in thousands):

	Properties		Apartment Units		Purchase Price
Rental Properties – Consolidated (1)		1		172	$	113,000
Total		1		172	$	113,000

(1) Purchase price includes an allocation of approximately $25.3 million to land and $87.7 million to depreciable property (inclusive of capitalized closing costs).

Disposed Properties to Unaffiliated Parties

During the six months ended June 30, 2022, the Company disposed of the following to unaffiliated parties (sales price in thousands):

	Properties		Apartment Units		Sales Price
Rental Properties – Consolidated		1		354	$	265,650
Total		1		354	$	265,650

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Commitments to Acquire/Dispose of Real Estate (Tables)

6 Months Ended

Jun. 30, 2022

Commitments To Acquire Dispose Of Real Estate [Abstract]

Summary of Separate Agreements to Dispose

The Company has entered into an agreement to dispose of the following (sales price and net book value in thousands):

	Properties		Apartment Units		Sales Price		Net Book Value at June 30, 2022
Rental Properties - Consolidated		1		136	$	65,500	$	41,695
Total		1		136	$	65,500	$	41,695

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Investments in Partially Owned Entities (Tables)

6 Months Ended

Jun. 30, 2022

Investments In Partially Owned Entities [Abstract]

Summary of Company's Consolidated Joint Ventures

The following table summarizes the Company’s consolidated joint ventures as of June 30, 2022:

	Operating Properties (1)				Project Under Development (2)
	Properties		Apartment Units		Project		Apartment Units
Consolidated Joint Ventures (VIE)		15		3,114		1		312

(1) During the second quarter of 2022, the Company acquired its joint venture partner’s 25% interest in a 432-unit apartment property for $32.2 million, and the property is now wholly owned.  In connection with the buyout, the carrying amount of the Noncontrolling Interests – Partially Owned Properties totaling $4.8 million was reduced to zero and the remaining $27.4 million was recorded to paid in capital/general partner capital.

(2) The land under this project is subject to a long-term ground lease.

Summary of Consolidated Assets and Liabilities Related to the VIEs

The following table provides consolidated assets and liabilities related to the VIEs discussed above as of June 30, 2022 and December 31, 2021 (amounts in thousands):

	June 30, 2022		December 31, 2021
Consolidated Assets	$	660,062	$	912,955
Consolidated Liabilities	$	127,702	$	251,424

Summary of Variable Rate Construction Mortgage Debt

The following table and information summarizes the variable rate construction mortgage debt that is non-recourse to the Company at June 30, 2022 (aggregate and amounts borrowed under loan commitments in thousands):

	Recently Completed Operating Property (1)		Project Under Development
Number of joint ventures with debt financing		1		1
Aggregate loan commitments	$	67,589	$	73,344
Amounts borrowed under loan commitments (2)	$	64,856	$	11,512
Maturity dates	2023		2025

(1) The maturity date of the construction loan was extended on June 24, 2022 to June 25, 2023.

(2) See Note 9 for the current period proceeds of secured conventional floating rate debt under Mortgage Notes Payable.

Summary of Company's Investment in Unconsolidated Entities

The following table and information summarizes the Company’s investments in unconsolidated entities as of June 30, 2022 and December 31, 2021 (amounts in thousands except for ownership percentage):

	June 30, 2022			December 31, 2021			Ownership Percentage
Investments in Unconsolidated Entities:
Various Real Estate Holdings (VIE) (1)	$	36,396		$	36,024		Varies
Development Projects (VIE) (2)		110,657			72,488		62% - 90% (4)
Real Estate Technology (VIE) (3)		22,456			19,347		Varies
Other		(237	)		(411	)	Varies
Investments in Unconsolidated Entities	$	169,272		$	127,448

(1) Represents unconsolidated interests in entities with various real estate holdings.

(2) Represents unconsolidated interests in projects under development and land held for development.  See further discussion below.  

(3) Represents unconsolidated investments in real estate technology funds/companies.

(4) In certain instances, the joint venture agreements contain provisions for promoted interests in favor of our joint venture partner.  If the terms of the promoted interest are attained, then our share of the proceeds from a sale or other capital event of the unconsolidated entity may be less than the indicated ownership percentage.

Summary of Company's Unconsolidated Joint Ventures Deemed to be VIEs

The following table summarizes the Company’s unconsolidated joint ventures that were deemed to be VIEs as of June 30, 2022:

	Real Estate Holdings (1)		Projects Under Development (2)				Land Held for Development (2), (3)
	Entities		Projects		Apartment Units (4)		Projects		Apartment Units (4)
Unconsolidated Joint Ventures (VIE)		2		4		1,291		2		640

(1) Represents entities that hold various real estate investments.

(2) Represents separate unconsolidated joint ventures for the purpose of developing multifamily rental properties.  

(3) Represents separate unconsolidated joint ventures that have not yet started but are expected to start construction in 2022.  One parcel is subject to a long-term ground lease.

(4) Represents the intended number of apartment units to be developed.

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Restricted Deposits (Tables)

6 Months Ended

Jun. 30, 2022

Deposits Restricted [Abstract]

Restricted Deposits

The following table presents the Company’s restricted deposits as of June 30, 2022 and December 31, 2021 (amounts in thousands):

	June 30, 2022		December 31, 2021
Mortgage escrow deposits:
Replacement reserves	$	11,855	$	11,156
Mortgage principal reserves/sinking funds		21,752		19,104
Mortgage escrow deposits		33,607		30,260
Restricted cash:
Tax-deferred (1031) exchange proceeds		—		166,362
Earnest money on pending acquisitions		—		2,000
Restricted deposits on real estate investments		242		284
Resident security and utility deposits		37,504		35,663
Other		2,288		1,835
Restricted cash		40,034		206,144
Restricted deposits	$	73,641	$	236,404

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Leases (Tables)

6 Months Ended

Jun. 30, 2022

Leases [Abstract]

Summary of Lease Income Types Relating to Lease Payments Along With the Total Other Rental Income

The following table presents the lease income types relating to lease payments for residential and non-residential leases along with the total other rental income for the six months ended June 30, 2022 and 2021 (amounts in thousands):

	Six Months Ended June 30, 2022									Six Months Ended June 30, 2021
Income Type	Residential Leases			Non-Residential Leases			Total			Residential Leases			Non-Residential Leases		Total
Residential and non-residential rent	$	1,192,048		$	32,095		$	1,224,143		$	1,078,304		$	31,237	$	1,109,541
Utility recoveries (RUBS income) (1)		39,583			369			39,952			36,533			330		36,863
Parking rent		21,706			202			21,908			19,890			362		20,252
Other lease revenue (2)		(889	)		(197	)		(1,086	)		(18,970	)		1,138		(17,832	)
Total lease revenue	$	1,252,448		$	32,469			1,284,917		$	1,115,757		$	33,067		1,148,824
Parking revenue								18,431								11,572
Other revenue								37,030								35,265
Total other rental income (3)								55,461								46,837
Rental income							$	1,340,378							$	1,195,661

(1) RUBS income primarily consists of variable payments representing the recovery of utility costs from residents.

(2) Other lease revenue consists of the revenue adjustment related to bad debt and other miscellaneous lease revenue.

(3) Other rental income is accounted for under the revenue recognition standard.

The following table presents the lease income types relating to lease payments for residential and non-residential leases along with the total other rental income for the quarters ended June 30, 2022 and 2021 (amounts in thousands):

	Quarter Ended June 30, 2022							Quarter Ended June 30, 2021
Income Type	Residential Leases		Non-Residential Leases			Total		Residential Leases			Non-Residential Leases		Total
Residential and non-residential rent	$	605,158	$	16,221		$	621,379	$	538,649		$	15,398	$	554,047
Utility recoveries (RUBS income) (1)		19,985		188			20,173		18,579			152		18,731
Parking rent		10,923		104			11,027		10,156			95		10,251
Other lease revenue (2)		5,412		(154	)		5,258		(8,708	)		529		(8,179	)
Total lease revenue	$	641,478	$	16,359			657,837	$	558,676		$	16,174		574,850
Parking revenue							9,623							6,139
Other revenue							19,570							17,070
Total other rental income (3)							29,193							23,209
Rental income						$	687,030						$	598,059

(1) RUBS income primarily consists of variable payments representing the recovery of utility costs from residents.

(2) Other lease revenue consists of the revenue adjustment related to bad debt and other miscellaneous lease revenue.

(3) Other rental income is accounted for under the revenue recognition standard.

Summary of Residential and Non-Residential Accounts Receivable and Straight-Line Receivable Balances

The following table presents residential and non-residential accounts receivable and straight-line receivable balances for the Company’s properties as of June 30, 2022 and December 31, 2021 (amounts in thousands):

	Residential							Non-Residential
Balance Sheet (Other assets):	June 30, 2022				December 31, 2021			June 30, 2022			December 31, 2021
Resident/tenant accounts receivable balances	$	36,068			$	37,959		$	3,444		$	3,218
Allowance for doubtful accounts		(32,358	)			(33,121	)		(2,553	)		(2,365	)
Net receivable balances	$	3,710		(1)	$	4,838		$	891		$	853
Straight-line receivable balances	$	4,757			$	7,460		$	13,551		$	13,021

(1) The Company held residential security deposits approximating 62.6% of the net residential receivable balance at June 30, 2022.

Summary of Residential Bad Debt for Company's Properties

The following table presents residential bad debt for the Company’s properties for the six months and quarters ended June 30, 2022 and 2021 (amounts in thousands):

	Six Months Ended June 30,						Quarter Ended June 30,
Income Statement (Rental income):		2022			2021			2022			2021
Bad debt, net (1)	$	8,147		$	25,772		$	(1,748	)	$	12,079
% of rental income		0.6	%		2.2	%		(0.3	%)		2.1	%

(1) Bad debt, net benefited from additional resident payments due to governmental rental assistance programs of approximately $24.6 million and $14.8 million for the six months and quarter ended June 30, 2022, respectively.

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Debt (Tables)

6 Months Ended

Jun. 30, 2022

Debt Instrument [Line Items]

Summary of Mortgage Notes Payable Activity

The following table summarizes the Company’s mortgage notes payable activity for the six months ended June 30, 2022 (amounts in thousands):

	Mortgage notes payable, net as of December 31, 2021		Proceeds			Lump sum payoffs			Scheduled principal repayments			Amortization of premiums/ discounts		Amortization of deferred financing costs, net (1)		Mortgage notes payable, net as of June 30, 2022
Fixed Rate Debt:
Secured – Conventional	$	1,896,472	$	—		$	(260,874	)	$	(2,985	)	$	928	$	714	$	1,634,255
Floating Rate Debt:
Secured – Conventional		59,890		14,586	(2)		—			—			—		148		74,624
Secured – Tax Exempt		234,839		—			—			—			617		69		235,525
Floating Rate Debt		294,729		14,586			—			—			617		217		310,149
Total	$	2,191,201	$	14,586		$	(260,874	)	$	(2,985	)	$	1,545	$	931	$	1,944,404

(1) Represents amortization of deferred financing costs, net of debt financing costs.  

(2) See Note 6 for additional discussion of the variable rate construction mortgage debt.

Summary of Notes Activity

The following table summarizes the Company’s notes activity for the six months ended June 30, 2022 (amounts in thousands):

	Notes, net as of December 31, 2021		Proceeds		Lump sum payoffs		Amortization of premiums/ discounts		Amortization of deferred financing costs, net (1)		Notes, net as of June 30, 2022
Fixed Rate Debt:
Unsecured – Public	$	5,835,222	$	—	$	—	$	1,346	$	2,125	$	5,838,693

(1) Represents amortization of deferred financing costs, net of debt financing costs.

Schedule of Unsecured Revolving Credit Facility

The following table presents the availability on the Company’s unsecured revolving credit facility as of June 30, 2022 (amounts in thousands):

	June 30, 2022
Unsecured revolving credit facility commitment	$	2,500,000
Commercial paper balance outstanding		(185,037	)
Unsecured revolving credit facility balance outstanding		—
Other restricted amounts		(3,463	)
Unsecured revolving credit facility availability	$	2,311,500

Summary of Debt Extinguishment Costs Recorded as Additional Interest Expense

The following table summarizes the Company’s total debt extinguishment costs recorded as additional interest expense for the six months and quarters ended June 30, 2022 and 2021 (amounts in thousands):

	Six Months Ended June 30,				Quarter Ended June 30,
	2022		2021		2022		2021
Write-offs of unamortized deferred financing costs	$	92	$	264	$	92	$	—
Write-offs of unamortized (premiums)/discounts/OCI		377		—		377		—
Total	$	469	$	264	$	469	$	—

Mortgages [Member]

Debt Instrument [Line Items]

Summary of Certain Interest Rate and Maturity Date Information

The following table summarizes certain interest rate and maturity date information as of and for the six months ended June 30, 2022:

	June 30, 2022
Interest Rate Ranges	0.10% - 4.21%
Weighted Average Interest Rate	3.37%
Maturity Date Ranges	2023-2061

Notes [Member]

Debt Instrument [Line Items]

Summary of Certain Interest Rate and Maturity Date Information

The following table summarizes certain interest rate and maturity date information as of and for the six months ended June 30, 2022:

	June 30, 2022
Interest Rate Ranges	1.85% - 7.57%
Weighted Average Interest Rate	3.60%
Maturity Date Ranges	2023-2047

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Fair Value Measurements (Tables)

6 Months Ended

Jun. 30, 2022

Fair Value Disclosures [Abstract]

Summary of Valuations for Each Type of Fair Value Measurement

The following table summarizes the inputs to the valuations for each type of fair value measurement:

Fair Value Measurement Type	Valuation Inputs
Employee holdings (other than Common Shares) within the supplemental executive retirement plan (the “SERP”)	Quoted market prices for identical assets. These holdings are included in other assets and other liabilities on the consolidated balance sheets.
Redeemable Noncontrolling Interests – Operating Partnership/Redeemable Limited Partners	Quoted market price of Common Shares.
Mortgage notes payable and private unsecured debt (including its commercial paper and line of credit, if applicable)	Indicative rates provided by lenders of similar loans.
Public unsecured notes	Quoted market prices for each underlying issuance.

Summary of Carrying and Fair Values of Financial Instruments

The following table provides a summary of the carrying and fair values for the Company’s mortgage notes payable and unsecured debt (including its commercial paper and line of credit, if applicable) at June 30, 2022 and December 31, 2021, respectively (amounts in thousands):

	June 30, 2022				December 31, 2021
	Carrying Value		Estimated Fair Value (Level 2)		Carrying Value		Estimated Fair Value (Level 2)
Mortgage notes payable, net	$	1,944,404	$	1,847,010	$	2,191,201	$	2,193,689
Unsecured debt, net		6,023,639		5,693,443		6,150,252		6,798,309
Total debt, net	$	7,968,043	$	7,540,453	$	8,341,453	$	8,991,998

Summarizes Company’s Consolidated Derivative Instruments

The following table summarizes the Company’s consolidated derivative instruments at June 30, 2022 (dollar amounts are in thousands):

	Forward Starting Swaps (1)
Current Notional Balance	$	150,000
Lowest Interest Rate		2.790	%
Highest Interest Rate		2.972	%
Maturity Date		2033

(1) Forward Starting Swaps – Designed to partially fix interest rates in advance of planned future debt issuances.  These swaps have mandatory counterparty terminations in 2024 and are targeted for certain 2023 debt issuances.

Summary of Fair Value Measurements for Each Major Category of Assets and Liabilities Measured at Fair Value on Recurring Basis

The following tables provide a summary of the fair value measurements for each major category of assets and liabilities measured at fair value on a recurring basis and the location within the accompanying consolidated balance sheets at June 30, 2022 and December 31, 2021, respectively (amounts in thousands):

				Fair Value Measurements at Reporting Date Using
Description	Balance Sheet Location	6/30/2022		Quoted Prices in Active Markets for Identical Assets/Liabilities (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)
Assets
Supplemental Executive Retirement Plan	Other Assets	$	129,067	$	129,067	$	—	$	—
Liabilities
Derivatives designated as hedging instruments:
Interest Rate Contracts:
Forward Starting Swaps	Other Liabilities	$	1,259	$	—	$	1,259	$	—
Supplemental Executive Retirement Plan	Other Liabilities		129,067		129,067		—		—
Total		$	130,326	$	129,067	$	1,259	$	—
Redeemable Noncontrolling Interests –
Operating Partnership/Redeemable
Limited Partners	Mezzanine	$	398,188	$	—	$	398,188	$	—

				Fair Value Measurements at Reporting Date Using
Description	Balance Sheet Location	12/31/2021		Quoted Prices in Active Markets for Identical Assets/Liabilities (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)
Assets
Supplemental Executive Retirement Plan	Other Assets	$	164,650	$	164,650	$	—	$	—
Liabilities
Supplemental Executive Retirement Plan	Other Liabilities	$	164,650	$	164,650	$	—	$	—
Redeemable Noncontrolling Interests –
Operating Partnership/Redeemable
Limited Partners	Mezzanine	$	498,977	$	—	$	498,977	$	—

Summary of Effect of Cash Flow Hedges on the Accompanying Consolidated Statements of Operations and Comprehensive Income

The following tables provide a summary of the effect of cash flow hedges on the Company’s accompanying consolidated statements of operations and comprehensive income for the six months ended June 30, 2022 and 2021, respectively (amounts in thousands):

June 30, 2022 Type of Cash Flow Hedge	Amount of Gain/(Loss) Recognized in OCI on Derivative			Location of Gain/(Loss) Reclassified from Accumulated OCI into Income	Amount of Gain/(Loss) Reclassified from Accumulated OCI into Income
Derivatives designated as hedging instruments:
Interest Rate Contracts:
Forward Starting Swaps	$	(1,259	)	Interest expense	$	(4,881	)
Total	$	(1,259	)		$	(4,881	)

June 30, 2021 Type of Cash Flow Hedge	Amount of Gain/(Loss) Recognized in OCI on Derivative		Location of Gain/(Loss) Reclassified from Accumulated OCI into Income	Amount of Gain/(Loss) Reclassified from Accumulated OCI into Income
Derivatives designated as hedging instruments:
Interest Rate Contracts:
Forward Starting Swaps	$	—	Interest expense	$	(4,637	)
Total	$	—		$	(4,637	)

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Earnings Per Share and Earnings Per Unit (Tables)

6 Months Ended

Jun. 30, 2022

Schedule of Calculation of Numerator and Denominator in Earnings 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):

	Six Months Ended June 30,						Quarter Ended June 30,
	2022			2021			2022			2021
Numerator for net income per share – basic:
Net income	$	306,476		$	388,404		$	232,678		$	328,040
Allocation to Noncontrolling Interests – Operating Partnership		(10,027	)		(13,056	)		(7,633	)		(10,913	)
Net (income) loss attributable to Noncontrolling    Interests – Partially Owned Properties		(1,583	)		(1,423	)		(944	)		(741	)
Preferred distributions		(1,545	)		(1,545	)		(773	)		(772	)
Numerator for net income per share – basic	$	293,321		$	372,380		$	223,328		$	315,614
Numerator for net income per share – diluted:
Net income	$	306,476		$	388,404		$	232,678		$	328,040
Net (income) loss attributable to Noncontrolling    Interests – Partially Owned Properties		(1,583	)		(1,423	)		(944	)		(741	)
Preferred distributions		(1,545	)		(1,545	)		(773	)		(772	)
Numerator for net income per share – diluted	$	303,348		$	385,436		$	230,961		$	326,527
Denominator for net income per share – basic and diluted:
Denominator for net income per share – basic		375,640			373,050			375,769			373,812
Effect of dilutive securities:
OP Units		11,891			12,544			11,895			12,044
Long-term compensation shares/units		1,863			1,773			1,698			1,964
ATM forward sales		69			—			1			—
Denominator for net income per share – diluted		389,463			387,367			389,363			387,820
Net income per share – basic	$	0.78		$	1.00		$	0.59		$	0.84
Net income per share – diluted	$	0.78		$	1.00		$	0.59		$	0.84

ERPOP [Member]

Schedule of Calculation of Numerator and Denominator in Earnings 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):

	Six Months Ended June 30,						Quarter Ended June 30,
	2022			2021			2022			2021
Numerator for net income per Unit – basic and diluted:
Net income	$	306,476		$	388,404		$	232,678		$	328,040
Net (income) loss attributable to Noncontrolling    Interests – Partially Owned Properties		(1,583	)		(1,423	)		(944	)		(741	)
Allocation to Preference Units		(1,545	)		(1,545	)		(773	)		(772	)
Numerator for net income per Unit – basic and diluted	$	303,348		$	385,436		$	230,961		$	326,527
Denominator for net income per Unit – basic and diluted:
Denominator for net income per Unit – basic		387,531			385,594			387,664			385,856
Effect of dilutive securities:
Dilution for Units issuable upon assumed exercise/vesting    of the Company’s long-term compensation shares/units		1,863			1,773			1,698			1,964
ATM forward sales		69			—			1			—
Denominator for net income per Unit – diluted		389,463			387,367			389,363			387,820
Net income per Unit – basic	$	0.78		$	1.00		$	0.59		$	0.84
Net income per Unit – diluted	$	0.78		$	1.00		$	0.59		$	0.84

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Commitments and Contingencies (Tables)

6 Months Ended

Jun. 30, 2022

Commitments And Contingencies Disclosure [Abstract]

Summary of Real Estate Development Commitments

The following table summarizes the gross remaining total project costs for the Company’s projects under development at June 30, 2022 (total project costs remaining in thousands):

	Projects		Apartment Units		Total Project Costs Remaining (1)
Projects Under Development
Consolidated		2		537	$	195,487
Unconsolidated		4		1,291		291,066
Total Projects Under Development		6		1,828	$	486,553

(1) The Company’s share of the $486.6 million in total project costs remaining approximates $161.1 million, with the balance funded by the Company’s joint venture partners (approximately $6.3 million) and/or applicable construction loans (approximately $319.2 million).

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Reportable Segments (Tables)

6 Months Ended

Jun. 30, 2022

Segment Reporting [Abstract]

Schedule of Reconciliation of NOI from Rental Real Estate Specific to Continuing Operations

The following table presents a reconciliation of NOI from our rental real estate for the six months and quarters ended June 30, 2022 and 2021, respectively (amounts in thousands):

	Six Months Ended June 30,						Quarter Ended June 30,
	2022			2021			2022			2021
Rental income	$	1,340,378		$	1,195,661		$	687,030		$	598,059
Property and maintenance expense		(241,229	)		(224,800	)		(116,355	)		(107,746	)
Real estate taxes and insurance expense		(202,538	)		(200,871	)		(101,850	)		(97,401	)
Total operating expenses		(443,767	)		(425,671	)		(218,205	)		(205,147	)
Net operating income	$	896,611		$	769,990		$	468,825		$	392,912

Schedule of NOI from Our Rental Real Estate for Each Segment Specific to Continuing Operations

The following tables present NOI from our rental real estate for each segment for the six months and quarters ended June 30, 2022 and 2021, respectively, as well as total assets and capital expenditures at June 30, 2022 (amounts in thousands):

	Six Months Ended June 30, 2022						Six Months Ended June 30, 2021
	Rental Income		Operating Expenses		NOI		Rental Income		Operating Expenses		NOI
Same store (1)
Los Angeles	$	241,119	$	72,466	$	168,653	$	213,291	$	70,202	$	143,089
Orange County		60,018		12,805		47,213		52,510		12,411		40,099
San Diego		42,410		9,555		32,855		37,928		9,176		28,752
Subtotal - Southern California		343,547		94,826		248,721		303,729		91,789		211,940
San Francisco		206,018		61,588		144,430		188,762		59,386		129,376
Washington D.C.		203,494		68,073		135,421		194,911		64,309		130,602
New York		218,855		99,705		119,150		188,676		98,235		90,441
Seattle		137,255		38,837		98,418		126,450		40,434		86,016
Boston		127,660		39,881		87,779		115,089		38,077		77,012
Denver		21,404		5,939		15,465		18,920		5,532		13,388
Total same store		1,258,233		408,849		849,384		1,136,537		397,762		738,775
Non-same store/other
Non-same store (2)		77,019		31,614		45,405		5,186		2,299		2,887
Other (3)		5,126		3,304		1,822		53,938		25,610		28,328
Total non-same store/other		82,145		34,918		47,227		59,124		27,909		31,215
Totals	$	1,340,378	$	443,767	$	896,611	$	1,195,661	$	425,671	$	769,990

(1) For the six months ended June 30, 2022 and 2021, same store primarily includes all properties acquired or completed that were stabilized prior to January 1, 2021, less properties subsequently sold, which represented 74,057 apartment units.

(2) For the six months ended June 30, 2022 and 2021, non-same store primarily includes properties acquired after January 1, 2021, plus any properties in lease-up and not stabilized as of January 1, 2021.

(3) Other includes development, other corporate operations and operations prior to disposition for properties sold.

	Quarter Ended June 30, 2022							Quarter Ended June 30, 2021
	Rental Income		Operating Expenses		NOI			Rental Income		Operating Expenses		NOI
Same store (1)
Los Angeles	$	125,767	$	35,692	$	90,075		$	106,873	$	34,509	$	72,364
Orange County		31,252		6,381		24,871			26,669		6,096		20,573
San Diego		21,470		4,626		16,844			19,188		4,543		14,645
Subtotal - Southern California		178,489		46,699		131,790			152,730		45,148		107,582
San Francisco		105,402		30,050		75,352			93,784		28,982		64,802
Washington D.C.		103,022		34,172		68,850			97,423		31,701		65,722
New York		112,865		48,559		64,306			94,473		48,258		46,215
Seattle		70,128		19,512		50,616			62,603		19,999		42,604
Boston		65,066		19,443		45,623			57,777		18,530		39,247
Denver		10,825		2,930		7,895			9,575		2,710		6,865
Total same store		645,797		201,365		444,432			568,365		195,328		373,037
Non-same store/other
Non-same store (2)		40,501		15,646		24,855			3,436		1,660		1,776
Other (3)		732		1,194		(462	)		26,258		8,159		18,099
Total non-same store/other		41,233		16,840		24,393			29,694		9,819		19,875
Totals	$	687,030	$	218,205	$	468,825		$	598,059	$	205,147	$	392,912

(1) For the quarters ended June 30, 2022 and 2021, same store primarily includes all properties acquired or completed that were stabilized prior to April 1, 2021, less properties subsequently sold, which represented 74,057 apartment units.

(2) For the quarters ended June 30, 2022 and 2021, non-same store primarily includes properties acquired after April 1, 2021, plus any properties in lease-up and not stabilized as of April 1, 2021.

(3) Other includes development, other corporate operations and operations prior to disposition for properties sold.

	Six Months Ended June 30, 2022
	Total Assets		Capital Expenditures
Same store (1)
Los Angeles	$	2,748,850	$	14,728
Orange County		362,679		2,643
San Diego		228,219		1,828
Subtotal - Southern California		3,339,748		19,199
San Francisco		3,114,937		13,003
Washington D.C.		3,120,459		13,391
New York		3,700,473		12,422
Seattle		2,106,727		8,761
Boston		1,708,006		9,799
Denver		482,417		562
Total same store		17,572,767		77,137
Non-same store/other
Non-same store (2)		2,421,668		6,053
Other (3)		579,910		114
Total non-same store/other		3,001,578		6,167
Totals	$	20,574,345	$	83,304

(1) Same store primarily includes all properties acquired or completed that were stabilized prior to January 1, 2021, less properties subsequently sold, which represented 74,057 apartment units.

(2) Non-same store primarily includes properties acquired after January 1, 2021, plus any properties in lease-up and not stabilized as of January 1, 2021.

(3) Other includes development, other corporate operations and capital expenditures for properties sold.

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Business - Additional Information (Details)	Jun. 30, 2022 State Property ApartmentUnit
Organization Consolidation And Presentation Of Financial Statements Disclosure [Line Items]
Number of states in which entity operates | State	10
Properties | Property	310
Apartment units | ApartmentUnit	80,227
ERPOP [Member]
Organization Consolidation And Presentation Of Financial Statements Disclosure [Line Items]
Noncontrolling interest, ownership percentage by parent	96.70%

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Business - Ownership Breakdown (Details)	Jun. 30, 2022 Property ApartmentUnit
Property/Unit schedule
Properties | Property	310
Apartment Units | ApartmentUnit	80,227
Wholly Owned Properties
Property/Unit schedule
Properties | Property	295
Apartment Units | ApartmentUnit	77,113
Partially Owned Properties - Consolidated
Property/Unit schedule
Properties | Property	15
Apartment Units | ApartmentUnit	3,114

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Summary of Significant Accounting Policies - Additional Information (Details) - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Provision for income tax	$ 291,000	$ 242,000	$ 573,000	$ 395,000
Federal [Member]
Provision for income tax			$ 0

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Equity, Capital and Other Interests - Changes in Company's Issued and Outstanding Common Shares and Units (Details) - shares	6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021
Equity Capital And Other Interests [Abstract]
Common Stock, Shares, Outstanding	375,527,195	372,302,000
Common Shares Issued:
Conversion of OP Units	31,089	1,084,023
Exercise of share options	348,510	833,669
Employee Share Purchase Plan (ESPP)	35,669	47,761
Restricted share grants, net	175,970	87,377
Common Stock, Shares, Outstanding	376,118,433	374,354,830
Units
Total Units Outstanding	12,659,027	13,858,073
Restricted unit grants, net	223,242	155,638
Conversion of OP Units to Common Shares	(31,089)	(1,084,023)
Total Units Outstanding	12,851,180	12,929,688
Common Shares And Units Outstanding	388,969,613	387,284,518
Units Ownership Interest in Operating Partnership	3.30%	3.30%

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Equity, Capital and Other Interests - Changes in Operating Partnership's Issued and Outstanding General Partner Units and Limited Partner Units (Details) - shares	6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021
General and Limited Partner Units
Exercise of share options	348,510	833,669
Employee Share Purchase Plan (ESPP)	35,669	47,761
Restricted share grants, net	175,970	87,377
Restricted unit grants, net	223,242	155,638
Common Shares And Units Outstanding	388,969,613	387,284,518
Limited Partner Units
Total Units Outstanding	12,659,027	13,858,073
Restricted unit grants, net	223,242	155,638
Conversion of Limited Partner OP Units to EQR Common Shares	(31,089)	(1,084,023)
Total Units Outstanding	12,851,180	12,929,688
Units Ownership Interest in Operating Partnership	3.30%	3.30%
ERPOP [Member]
General and Limited Partner Units
Common Shares And Units Outstanding	388,186,222	386,160,073
Exercise of share options	348,510	833,669
Employee Share Purchase Plan (ESPP)	35,669	47,761
Restricted share grants, net	175,970	87,377
Restricted unit grants, net	223,242	155,638
Common Shares And Units Outstanding	388,969,613	387,284,518
Limited Partner Units
Total Units Outstanding	12,659,027	13,858,073
Restricted unit grants, net	223,242	155,638
Conversion of Limited Partner OP Units to EQR Common Shares	(31,089)	(1,084,023)
Total Units Outstanding	12,851,180	12,929,688
Units Ownership Interest in Operating Partnership	3.30%	3.30%

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Equity, Capital and Other Interests - Additional Information (Details) - USD ($) $ / shares in Units, $ in Thousands	Jun. 30, 2022	Dec. 31, 2021	Jun. 30, 2021	Dec. 31, 2020
Equity Capital And Other Interests [Abstract]
Redeemable noncontrolling interests - operating partnership	$ 398,188	$ 498,977	$ 440,123	$ 338,951
Preferred stock, shares authorized	100,000,000	100,000,000
Preferred stock, par or stated value per share	$ 0.01	$ 0.01

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Equity, Capital and Other Interests - Changes in Redemption Value of Redeemable Noncontrolling Interests - Operating Partnership (Details) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021
Equity Capital And Other Interests [Abstract]
Redeemable Noncontrolling Interests - Operating Partnership Units	$ 498,977	$ 338,951
Change in market value of Redeemable Noncontrolling Interests - Operating Partnership	(98,140)	101,966
Change in carrying value of Redeemable Noncontrolling Interests - Operating Partnership	(2,649)	(794)
Redeemable Noncontrolling Interests - Operating Partnership Units	$ 398,188	$ 440,123

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Equity, Capital and Other Interests - Changes in Redemption Value of Redeemable Limited Partners Interest (Details) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021
Equity Capital And Other Interests [Abstract]
Redeemable Limited Partners	$ 498,977	$ 338,951
Limited Partners Change In Redemption Value	(98,140)	101,966
Limited Partners Change In Carrying Value	(2,649)	(794)
Redeemable Limited Partners	$ 398,188	$ 440,123

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Equity, Capital and Other Interests - Issued and Outstanding Preferred Shares and Preference Units (Details) - ERPOP [Member] - USD ($) $ / shares in Units, $ in Thousands	6 Months Ended
	Jun. 30, 2022	Dec. 31, 2021
Class Of Stock [Line Items]
8.29% Series K Cumulative Redeemable Preferred Shares/Preference Units; liquidation value $50 per share/unit; 745,600 shares/units issued and outstanding as of June 30, 2022 and December 31, 2021	$ 37,280	$ 37,280
Preferred Stock
Class Of Stock [Line Items]
Preferred Stocks Preference Units Call Date	Dec. 10, 2026
Annual Dividend Per Preferred Share Preference Unit	$ 4.145
8.29% Series K Cumulative Redeemable Preferred Shares/Preference Units; liquidation value $50 per share/unit; 745,600 shares/units issued and outstanding as of June 30, 2022 and December 31, 2021	$ 37,280	$ 37,280

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Equity, Capital and Other Interests - Issued and Outstanding Preferred Shares and Preference Units (Parenthetical) (Details) - $ / shares	6 Months Ended	12 Months Ended
	Jun. 30, 2022	Dec. 31, 2021
Class Of Stock [Line Items]
Preferred Stock, Par or Stated Value Per Share	$ 0.01	$ 0.01
Preferred Stock, Shares Authorized	100,000,000	100,000,000
Preferred Stock
Class Of Stock [Line Items]
Preferred Stock Preference Units Issued	745,600	745,600
Preferred Stock Preference Units Outstanding	745,600	745,600
Preferred Stock Preference Units Redemption Price Per Share	$ 50	$ 50
Preferred Stock Preference Units Dividend Rate Percentage	8.29%	8.29%

XML

Equity, Capital and Other Interests - Other - Additional Information (Details) - $ / shares	101 Months Ended	174 Months Ended
	Jun. 30, 2022	Jun. 30, 2022	Dec. 31, 2021
Common Stock, Shares, Issued	376,118,433	376,118,433	375,527,195
Stock repurchase program, number of shares authorized to be repurchased	13,000,000.0	13,000,000.0
Stock open market repurchased and retired during period, shares	0	0
Stock repurchase program, remaining number of shares authorized to be repurchased	13,000,000.0	13,000,000.0
Forward Sales Agreements [Member]
Settlement of shares under forward sales agreement	0	0
Forward Sales Agreements [Member] | ATM Share Offering [Member]
Weighted average initial forward price per share	$ 83.25	$ 83.25
Forward Sales Agreements [Member] | ATM Share Offering [Member] | Prior Program [Member]
Common Stock, Shares, Issued	1,700,000	1,700,000
Forward Sales Agreements [Member] | ATM Share Offering [Member] | New Program [Member]
Common shares available for issuance	13,000,000.0	13,000,000.0

XML

Real Estate - Summary of Carrying Amounts of Investment in Real Estate (Details) - USD ($) $ in Thousands	Jun. 30, 2022	Dec. 31, 2021
Land	$ 5,733,412	$ 5,814,790
Depreciable property:
Buildings and improvements	19,654,296	19,632,284
Furniture, fixtures and equipment	2,271,136	2,220,203
In-Place lease intangibles	517,881	518,324
Projects under development:
Projects under development	65,161	24,307
Land held for development:
Land held for development	59,573	62,998
Investment in real estate	28,301,459	28,272,906
Accumulated depreciation	(8,740,806)	(8,354,282)
Investment in real estate, net	19,560,653	19,918,624
Land [Member]
Projects under development:
Projects under development	3,200
Land held for development:
Land held for development	46,160	46,160
Construction-in-progress [Member]
Projects under development:
Projects under development	61,961	24,307
Land held for development:
Land held for development	$ 13,413	$ 16,838

XML

Real Estate - Acquired Properties From Unaffiliated Parties (Details) $ in Thousands	6 Months Ended
	Jun. 30, 2022 USD ($) Property ApartmentUnit
Properties acquired | Property	1
Property Units acquired | ApartmentUnit	172
Purchase Price | $	$ 113,000
Rental Properties - Consolidated [Member]
Properties acquired | Property	1
Property Units acquired | ApartmentUnit	172
Purchase Price | $	$ 113,000

XML

Real Estate - Acquired Properties From Unaffiliated Parties (Parenthetical) (Details) $ in Thousands	Jun. 30, 2022 USD ($)
Purchase price	$ 113,000
Land [Member]
Purchase price	25,300
Depreciable Property [Member]
Purchase price	$ 87,700

XML

Real Estate - Disposed Properties to Unaffiliated Parties (Details) $ in Thousands	6 Months Ended
	Jun. 30, 2022 USD ($) Property ApartmentUnit
Properties disposed | Property	1
Property Units disposed | ApartmentUnit	354
Sales Price | $	$ 265,650
Rental Properties - Consolidated [Member]
Properties disposed | Property	1
Property Units disposed | ApartmentUnit	354
Sales Price | $	$ 265,650

XML

Real Estate - Additional Information (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Real Estate [Abstract]
Net gain (loss) on sales of real estate properties	$ 107,897	$ 223,738	$ 107,795	$ 223,695

XML

Commitments to Acquire/Dispose of Real Estate - Summary of Separate Agreements to Dispose (Details) $ in Thousands	Jun. 30, 2022 USD ($) Property ApartmentUnit
Property/Unit schedule
Properties | Property	1
Apartment Units | ApartmentUnit	136
Sales Price	$ 65,500
Net Book Value at June 30, 2022	$ 41,695
Rental Properties - Consolidated [Member] | Wholly Owned Properties [Member]
Property/Unit schedule
Properties | Property	1
Apartment Units | ApartmentUnit	136
Sales Price	$ 65,500
Net Book Value at June 30, 2022	$ 41,695

XML

Investments in Partially Owned Entities - Summary of Company's Consolidated Joint Ventures (Details)	Jun. 30, 2022 Property ApartmentUnit Project
Variable Interest Entity [Line Items]
Properties | Property	310
Apartment units	80,227
Consolidated VIE [Member] | Operating Properties [Member]
Variable Interest Entity [Line Items]
Properties | Property	15
Apartment units	3,114
Consolidated VIE [Member] | Project Under Development [Member]
Variable Interest Entity [Line Items]
Apartment units	312
Project | Project	1

XML

Investments in Partially Owned Entities - Summary of Company's Consolidated Joint Ventures (Parenthetical) (Details)	3 Months Ended	6 Months Ended
	Jun. 30, 2022 USD ($) ApartmentUnit	Jun. 30, 2022 ApartmentUnit
Variable Interest Entity [Line Items]
Property Units acquired | ApartmentUnit		172
Consolidated VIE [Member]
Variable Interest Entity [Line Items]
Percentage interest in consolidated operating property	25.00%
Property Units acquired | ApartmentUnit	432
Payments to acquired interest in consolidated operating property	$ 32,200,000
Consolidated VIE [Member] | Noncontrolling Interests [Member]
Variable Interest Entity [Line Items]
Payments to acquired interest in consolidated operating property	4,800,000
Partially owned property reduced amount	0
Consolidated VIE [Member] | Paid in Capital/General Partner Capital [Member]
Variable Interest Entity [Line Items]
Payments to acquired interest in consolidated operating property	$ 27,400,000

XML

Investments in Partially Owned Entities - Summary of Consolidated Assets and Liabilities Related to the VIEs (Details) - USD ($) $ in Thousands	Jun. 30, 2022	Dec. 31, 2021
Variable Interest Entity [Line Items]
Consolidated Assets	$ 20,574,345	$ 21,169,241
Consolidated Liabilities	9,071,476	9,483,056
Consolidated VIE [Member]
Variable Interest Entity [Line Items]
Consolidated Assets	660,062	912,955
Consolidated Liabilities	$ 127,702	$ 251,424

XML

Investments in Partially Owned Entities - Summary of Variable Rate Construction Mortgage Debt (Details) - Consolidated VIE [Member] $ in Thousands	6 Months Ended
	Jun. 30, 2022 USD ($) JointVenture
Recently Completed Operating Property [Member]
Variable Interest Entity [Line Items]
Number of joint ventures with debt financing | JointVenture	1
Aggregate loan commitments	$ 67,589
Amounts borrowed under loan commitments	$ 64,856
Maturity dates	2023
Project Under Development [Member]
Variable Interest Entity [Line Items]
Number of joint ventures with debt financing | JointVenture	1
Aggregate loan commitments	$ 73,344
Amounts borrowed under loan commitments	$ 11,512
Maturity dates	2025

XML

Investments in Partially Owned Entities - Summary of Company's Investment in Unconsolidated Entities (Details) - USD ($) $ in Thousands	Jun. 30, 2022	Dec. 31, 2021
Variable Interest Entity [Line Items]
Investments in Unconsolidated Entities	$ 169,272	$ 127,448
Various Real Estate Holdings [Member] | Variable Interest Entity, Not Primary Beneficiary
Variable Interest Entity [Line Items]
Investments in Unconsolidated Entities	36,396	36,024
Development Projects [Member] | Variable Interest Entity, Not Primary Beneficiary
Variable Interest Entity [Line Items]
Investments in Unconsolidated Entities	$ 110,657	72,488
Development Projects [Member] | Variable Interest Entity, Not Primary Beneficiary | Minimum [Member]
Variable Interest Entity [Line Items]
Ownership Percentage	62.00%
Development Projects [Member] | Variable Interest Entity, Not Primary Beneficiary | Maximum [Member]
Variable Interest Entity [Line Items]
Ownership Percentage	90.00%
Real Estate Technology [Member] | Variable Interest Entity, Not Primary Beneficiary
Variable Interest Entity [Line Items]
Investments in Unconsolidated Entities	$ 22,456	19,347
Other [Member]
Variable Interest Entity [Line Items]
Investments in Unconsolidated Entities	$ (237)	$ (411)

XML

Investments in Partially Owned Entities - Summary of Company's Unconsolidated Joint Ventures Deemed to be VIEs (Details)	Jun. 30, 2022 ApartmentUnit Project Entity
Variable Interest Entity [Line Items]
Apartment units	80,227
Variable Interest Entity, Not Primary Beneficiary | Real Estate Holdings [Member]
Variable Interest Entity [Line Items]
Entities | Entity	2
Variable Interest Entity, Not Primary Beneficiary | Projects Under Development [Member]
Variable Interest Entity [Line Items]
Project | Project	4
Apartment units	1,291
Variable Interest Entity, Not Primary Beneficiary | Land Held For Development [Member]
Variable Interest Entity [Line Items]
Project | Project	2
Apartment units	640

XML

Investments in Partially Owned Entities - Summary of Company's Unconsolidated Joint Ventures Deemed to be VIEs (Parenthetical) (Details)	Jun. 30, 2022 Land
Land Held For Development [Member]
Variable Interest Entity [Line Items]
Number of land parcel subject to long-term ground lease	1

XML

Restricted Deposits - Restricted Deposits (Details) - USD ($) $ in Thousands	Jun. 30, 2022	Dec. 31, 2021	Jun. 30, 2021
Mortgage escrow deposits:
Replacement reserves	$ 11,855	$ 11,156
Mortgage principal reserves/sinking funds	21,752	19,104
Mortgage escrow deposits	33,607	30,260
Restricted cash:
Tax-deferred (1031) exchange proceeds		166,362
Earnest money on pending acquisitions		2,000
Restricted deposits on real estate investments	242	284
Resident security and utility deposits	37,504	35,663
Other	2,288	1,835
Restricted cash	40,034	206,144
Restricted deposits	$ 73,641	$ 236,404	$ 353,009

XML

Leases - Additional Information (Details)	6 Months Ended
	Jun. 30, 2022
Residential Apartment Leases [Member]
Operating Leased Assets [Line Items]
Percentage of rental income	97.00%
Residential Apartment Leases [Member] | Maximum [Member]
Operating Leased Assets [Line Items]
Retail leases term	12 months
Non-residential Leases [Member]
Operating Leased Assets [Line Items]
Percentage of rental income	3.00%
Non-residential Leases [Member] | Maximum [Member]
Operating Leased Assets [Line Items]
Retail leases term	10 years
Non-residential Leases [Member] | Minimum [Member]
Operating Leased Assets [Line Items]
Retail leases term	5 years

XML

Leases - Summary of Lease Income Types Relating to Lease Payments Along With the Total Other Rental Income (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Operating Leased Assets [Line Items]
Total lease revenue	$ 657,837	$ 574,850	$ 1,284,917	$ 1,148,824
Rental income	687,030	598,059	1,340,378	1,195,661
Residential Leases [Member]
Operating Leased Assets [Line Items]
Total lease revenue	641,478	558,676	1,252,448	1,115,757
Non-residential Leases [Member]
Operating Leased Assets [Line Items]
Total lease revenue	16,359	16,174	32,469	33,067
Residential and Non-Residential Rent [Member]
Operating Leased Assets [Line Items]
Total lease revenue	621,379	554,047	1,224,143	1,109,541
Residential and Non-Residential Rent [Member] | Residential Leases [Member]
Operating Leased Assets [Line Items]
Total lease revenue	605,158	538,649	1,192,048	1,078,304
Residential and Non-Residential Rent [Member] | Non-residential Leases [Member]
Operating Leased Assets [Line Items]
Total lease revenue	16,221	15,398	32,095	31,237
Utility Recoveries (RUBS Income) [Member]
Operating Leased Assets [Line Items]
Total lease revenue	20,173	18,731	39,952	36,863
Utility Recoveries (RUBS Income) [Member] | Residential Leases [Member]
Operating Leased Assets [Line Items]
Total lease revenue	19,985	18,579	39,583	36,533
Utility Recoveries (RUBS Income) [Member] | Non-residential Leases [Member]
Operating Leased Assets [Line Items]
Total lease revenue	188	152	369	330
Parking Rent [Member]
Operating Leased Assets [Line Items]
Total lease revenue	11,027	10,251	21,908	20,252
Parking Rent [Member] | Residential Leases [Member]
Operating Leased Assets [Line Items]
Total lease revenue	10,923	10,156	21,706	19,890
Parking Rent [Member] | Non-residential Leases [Member]
Operating Leased Assets [Line Items]
Total lease revenue	104	95	202	362
Other Lease Revenue [Member]
Operating Leased Assets [Line Items]
Total lease revenue	5,258	(8,179)	(1,086)	(17,832)
Other Lease Revenue [Member] | Residential Leases [Member]
Operating Leased Assets [Line Items]
Total lease revenue	5,412	(8,708)	(889)	(18,970)
Other Lease Revenue [Member] | Non-residential Leases [Member]
Operating Leased Assets [Line Items]
Total lease revenue	(154)	529	(197)	1,138
Parking Revenue
Operating Leased Assets [Line Items]
Rental income	9,623	6,139	18,431	11,572
Other Revenue
Operating Leased Assets [Line Items]
Rental income	19,570	17,070	37,030	35,265
Other Rental Income [Member]
Operating Leased Assets [Line Items]
Rental income	$ 29,193	$ 23,209	$ 55,461	$ 46,837

XML

Leases - Summary of Residential and Non-Residential Accounts Receivable and Straight-Line Receivable Balances (Details) - Other Assets [Member] - USD ($) $ in Thousands	Jun. 30, 2022	Dec. 31, 2021
Residential Leases [Member]
Operating Leased Assets [Line Items]
Resident/tenant accounts receivable balances	$ 36,068	$ 37,959
Allowance for doubtful accounts	(32,358)	(33,121)
Net receivable balances	3,710	4,838
Straight-line receivable balances	4,757	7,460
Non-Residential Leases [Member]
Operating Leased Assets [Line Items]
Resident/tenant accounts receivable balances	3,444	3,218
Allowance for doubtful accounts	(2,553)	(2,365)
Net receivable balances	891	853
Straight-line receivable balances	$ 13,551	$ 13,021

XML

Leases - Summary of Residential and Non-Residential Accounts Receivable and Straight-Line Receivable Balances (Parenthetical) (Details)	Jun. 30, 2022
Leases [Abstract]
Holding percentage of residential security deposits of net receivable	62.60%

XML

Leases - Summary of Residential Bad Debt for Company's Properties (Details) - Residential Leases [Member] - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Lessor Lease Description [Line Items]
Bad debt, net	$ (1,748)	$ 12,079	$ 8,147	$ 25,772
% of rental income	(0.30%)	2.10%	0.60%	2.20%

XML

Leases - Summary of Residential Bad Debt for Company's Properties (Parenthetical) (Details) - USD ($) $ in Millions	3 Months Ended	6 Months Ended
	Jun. 30, 2022	Jun. 30, 2022
Leases [Abstract]
Bad debt, net from resident payments	$ 14.8	$ 24.6

XML

Debt - Mortgage Notes Payable - Summary of Mortgage Notes Payable Activity (Details) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021
Debt Instrument [Line Items]
Mortgage notes payable, net beginning balance	$ 2,191,201
Proceeds	14,586	$ 47,759
Lump sum payoffs	(260,874)	(59,880)
Scheduled principal repayments	(2,985)
Amortization of premiums/ discounts	1,545	$ 1,374
Amortization of deferred financing costs, net	931
Mortgage notes payable, net ending balance	1,944,404
Fixed Rate Debt [Member] | Secured - Conventional [Member]
Debt Instrument [Line Items]
Mortgage notes payable, net beginning balance	1,896,472
Lump sum payoffs	(260,874)
Scheduled principal repayments	(2,985)
Amortization of premiums/ discounts	928
Amortization of deferred financing costs, net	714
Mortgage notes payable, net ending balance	1,634,255
Floating Rate Debt [Member]
Debt Instrument [Line Items]
Mortgage notes payable, net beginning balance	294,729
Proceeds	14,586
Amortization of premiums/ discounts	617
Amortization of deferred financing costs, net	217
Mortgage notes payable, net ending balance	310,149
Floating Rate Debt [Member] | Secured - Conventional [Member]
Debt Instrument [Line Items]
Mortgage notes payable, net beginning balance	59,890
Proceeds	14,586
Amortization of deferred financing costs, net	148
Mortgage notes payable, net ending balance	74,624
Floating Rate Debt [Member] | Secured - Tax Exempt [Member]
Debt Instrument [Line Items]
Mortgage notes payable, net beginning balance	234,839
Amortization of premiums/ discounts	617
Amortization of deferred financing costs, net	69
Mortgage notes payable, net ending balance	$ 235,525

XML

Debt - Mortgage Notes Payable - Summary of Certain Interest Rate and Maturity Date Information (Details) - Mortgages [Member]	6 Months Ended
	Jun. 30, 2022
Debt Instrument [Line Items]
Weighted Average Interest Rate	3.37%
Maturity Date Ranges, Start	2023
Maturity Date Ranges, End	2061
Minimum [Member]
Debt Instrument [Line Items]
Interest Rate Ranges	0.10%
Maximum [Member]
Debt Instrument [Line Items]
Interest Rate Ranges	4.21%

XML

Debt - Mortgage Notes Payable - Additional Information (Details) - USD ($) $ in Thousands	Jun. 30, 2022	Dec. 31, 2021
Debt Instrument [Line Items]
Mortgage notes payable	$ 1,944,404	$ 2,191,201
Credit Enhanced Debt [Member]
Debt Instrument [Line Items]
Mortgage notes payable	$ 250,000

XML

Debt - Notes - Summary of Notes Activity (Details) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021
Debt Instrument [Line Items]
Notes, net beginning balance	$ 5,835,222
Amortization of premiums/ discounts	1,346	$ 1,219
Notes, net ending balance	5,838,693
Fixed Rate Debt [Member] | Unsecured - Public [Member]
Debt Instrument [Line Items]
Notes, net beginning balance	5,835,222
Amortization of premiums/ discounts	1,346
Amortization of deferred financing costs, net	2,125
Notes, net ending balance	$ 5,838,693

XML

Debt - Notes - Summary of Certain Interest Rate and Maturity Date Information (Details) - Notes [Member]	6 Months Ended
	Jun. 30, 2022
Debt Instrument [Line Items]
Weighted Average Interest Rate	3.60%
Maturity Date Ranges, Start	2023
Maturity Date Ranges, End	2047
Minimum [Member]
Debt Instrument [Line Items]
Interest Rate Ranges	1.85%
Maximum [Member]
Debt Instrument [Line Items]
Interest Rate Ranges	7.57%

XML

Debt - Line of Credit and Commercial Paper - Additional Information (Details)	6 Months Ended
	Jun. 30, 2022 USD ($)
Line of Credit Facility [Line Items]
Debt instrument, maturity date	Nov. 01, 2024
Commercial paper balance outstanding	$ 1,000,000,000.0
Commercial Paper [Member]
Line of Credit Facility [Line Items]
Weighted average interest rates	0.60%
Commercial paper weighted average days outstanding	12 days
Weighted average amount outstanding	$ 186,700,000
Unsecured Revolving Credit Facility [Member]
Line of Credit Facility [Line Items]
Unsecured revolving credit facility	2,500,000,000
Ability to increase LOC facility	$ 750,000,000.0
Debt instrument, basis spread on variable rate	0.775%
Percentage points of line of credit facility commitment fee	0.125%
Revolving credit facility	$ 0
Commercial paper balance outstanding	$ 185,037,000

XML

Debt - Line of Credit and Commercial Paper - Schedule of Unsecured Revolving Credit Facility (Details)	6 Months Ended
	Jun. 30, 2022 USD ($)
Line of Credit Facility [Line Items]
Commercial paper balance outstanding	$ (1,000,000,000.0)
Unsecured Revolving Credit Facility [Member]
Line of Credit Facility [Line Items]
Unsecured revolving credit facility commitment	2,500,000,000
Commercial paper balance outstanding	(185,037,000)
Unsecured revolving credit facility balance outstanding	0
Other restricted amounts	(3,463,000)
Unsecured revolving credit facility availability	$ 2,311,500,000

XML

Debt - Other - Summary of Debt Extinguishment Costs Recorded as Additional Interest Expense (Details) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
	Jun. 30, 2022	Jun. 30, 2022	Jun. 30, 2021
Debt Disclosure [Abstract]
Write-offs of unamortized deferred financing costs	$ 92	$ 92	$ 264
Write-offs of unamortized (premiums)/discounts/OCI	377	377
Total	$ 469	$ 469	$ 264

XML

Fair Value Measurements - Summary of Valuations for Each Type of Fair Value Measurement (Details)	6 Months Ended
	Jun. 30, 2022
Employee Holdings Within The Supplemental Executive Retirement Plan
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Fair Value Measurement Type	Employee holdings (other than Common Shares) within the supplemental executive retirement plan (the “SERP”)
Valuation Inputs	Quoted market prices for identical assets. These holdings are included in other assets and other liabilities on the consolidated balance sheets.
Redeemable Noncontrolling Interests Operating Partnership Redeemable Limited Partners
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Fair Value Measurement Type	Redeemable Noncontrolling Interests – Operating Partnership/Redeemable Limited Partners
Valuation Inputs	Quoted market price of Common Shares.
Mortgage Notes Payable And Private Unsecured Debt
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Fair Value Measurement Type	Mortgage notes payable and private unsecured debt (including its commercial paper and line of credit, if applicable)
Valuation Inputs	Indicative rates provided by lenders of similar loans.
Public Unsecured Notes
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Fair Value Measurement Type	Public unsecured notes
Valuation Inputs	Quoted market prices for each underlying issuance.

XML

Fair Value Measurements - Summary of Carrying and Fair Values of Financial Instruments (Details) - USD ($) $ in Thousands	Jun. 30, 2022	Dec. 31, 2021
Carrying Value [Member]
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]
Total debt, net	$ 7,968,043	$ 8,341,453
Estimate of Fair Value Measurement [Member] | Fair Value, Inputs, Level 2 [Member]
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]
Total debt, net	7,540,453	8,991,998
Mortgage Notes Payable, Net [Member] | Carrying Value [Member]
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]
Total debt, net	1,944,404	2,191,201
Mortgage Notes Payable, Net [Member] | Estimate of Fair Value Measurement [Member] | Fair Value, Inputs, Level 2 [Member]
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]
Total debt, net	1,847,010	2,193,689
Unsecured Debt [Member] | Carrying Value [Member]
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]
Total debt, net	6,023,639	6,150,252
Unsecured Debt [Member] | Estimate of Fair Value Measurement [Member] | Fair Value, Inputs, Level 2 [Member]
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]
Total debt, net	$ 5,693,443	$ 6,798,309

XML

Fair Value Measurements - Summarizes Company's Consolidated Derivative Instruments (Details) - Forward Starting Swaps [Member] $ in Thousands	6 Months Ended
	Jun. 30, 2022 USD ($)
Derivatives Fair Value [Line Items]
Current Notional Balance	$ 150,000
Maturity Date	2033
Minimum [Member]
Derivatives Fair Value [Line Items]
Interest Rate	2.79%
Maximum [Member]
Derivatives Fair Value [Line Items]
Interest Rate	2.972%

XML

Fair Value Measurements - Summary of Fair Value Measurements for Each Major Category of Assets and Liabilities Measured at Fair Value on Recurring Basis (Details) - USD ($) $ in Thousands	Jun. 30, 2022	Dec. 31, 2021	Jun. 30, 2021	Dec. 31, 2020
Derivatives Fair Value [Line Items]
Fair Value Of SERP Investments	$ 129,067	$ 164,650
Other Liabilities, Fair Value Disclosure	129,067	164,650
Total	130,326
Redeemable Noncontrolling Interests - Operating Partnership/Redeemable Limited Partners	398,188	498,977	$ 440,123	$ 338,951
Forward Starting Swaps [Member]
Derivatives Fair Value [Line Items]
Other Liabilities, Fair Value Disclosure	1,259
Fair Value, Inputs, Level 1 [Member]
Derivatives Fair Value [Line Items]
Fair Value Of SERP Investments	129,067	164,650
Other Liabilities, Fair Value Disclosure	129,067	164,650
Total	129,067
Redeemable Noncontrolling Interests - Operating Partnership/Redeemable Limited Partners	0	0
Fair Value, Inputs, Level 1 [Member] | Forward Starting Swaps [Member]
Derivatives Fair Value [Line Items]
Other Liabilities, Fair Value Disclosure	0
Fair Value, Inputs, Level 2 [Member]
Derivatives Fair Value [Line Items]
Fair Value Of SERP Investments	0	0
Other Liabilities, Fair Value Disclosure	0	0
Total	1,259
Redeemable Noncontrolling Interests - Operating Partnership/Redeemable Limited Partners	398,188	498,977
Fair Value, Inputs, Level 2 [Member] | Forward Starting Swaps [Member]
Derivatives Fair Value [Line Items]
Other Liabilities, Fair Value Disclosure	1,259
Fair Value, Inputs, Level 3 [Member]
Derivatives Fair Value [Line Items]
Fair Value Of SERP Investments	0	0
Other Liabilities, Fair Value Disclosure	0	0
Total	0
Redeemable Noncontrolling Interests - Operating Partnership/Redeemable Limited Partners	0	$ 0
Fair Value, Inputs, Level 3 [Member] | Forward Starting Swaps [Member]
Derivatives Fair Value [Line Items]
Other Liabilities, Fair Value Disclosure	$ 0

XML

Fair Value Measurements - Summary of Effect of Cash Flow Hedges on the Accompanying Consolidated Statements of Operations and Comprehensive Income (Details) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021
Derivative Instruments, Gain (Loss) [Line Items]
Amount of Gain/(Loss) Recognized in OCI on Derivative	$ (1,259)	$ 0
Amount of Gain/(Loss) Reclassified from Accumulated OCI into Income	(4,881)	(4,637)
Forward Starting Swaps [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Amount of Gain/(Loss) Recognized in OCI on Derivative	(1,259)	0
Amount of Gain/(Loss) Reclassified from Accumulated OCI into Income	$ (4,881)	$ (4,637)

XML

Fair Value Measurements - Additional Information (Details) - USD ($) $ in Millions	6 Months Ended	12 Months Ended
	Jun. 30, 2022	Dec. 31, 2021
Derivative Instrument Detail [Abstract]
Unrealized gain (loss) on interest rate cash flow hedges, pretax, accumulated other comprehensive income (loss)	$ 30.6	$ 34.3
Interest rate cash flow hedge gain (loss) to be reclassified during next 12 months, net	$ 8.9

XML

Earnings Per Share and Earnings Per Unit - Computation of Net Income per Share Basic and Net Income per Share Diluted (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Earnings Per Share [Abstract]
Net income	$ 232,678	$ 328,040	$ 306,476	$ 388,404
Allocation to Noncontrolling Interests – Operating Partnership	(7,633)	(10,913)	(10,027)	(13,056)
Net (income) loss attributable to Noncontrolling Interests – Partially Owned Properties	(944)	(741)	(1,583)	(1,423)
Preferred distributions	(773)	(772)	(1,545)	(1,545)
Net income available to Common Shares	223,328	315,614	293,321	372,380
Numerator for net income per share – diluted	$ 230,961	$ 326,527	$ 303,348	$ 385,436
Weighted average Common Shares outstanding	375,769	373,812	375,640	373,050
OP Units	11,895	12,044	11,891	12,544
Dilutive Securities Options	1,698	1,964	1,863	1,773
ATM forward sales	1		69
Denominator for net income per share – diluted	389,363	387,820	389,463	387,367
Net income per share – basic	$ 0.59	$ 0.84	$ 0.78	$ 1.00
Net income per share – diluted	$ 0.59	$ 0.84	$ 0.78	$ 1.00

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Earnings Per Share and Earnings Per Unit - Computation of Net Income per Unit Basic and Net Income per Unit Diluted for Operating Partnership (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Net income	$ 232,678	$ 328,040	$ 306,476	$ 388,404
Net (income) loss attributable to Noncontrolling Interests – Partially Owned Properties	$ (944)	$ (741)	$ (1,583)	$ (1,423)
Dilutive Securities Options	1,698	1,964	1,863	1,773
ATM forward sales	1		69
Denominator for net income per share – diluted	389,363	387,820	389,463	387,367
Net income per Unit – basic	$ 0.59	$ 0.84	$ 0.78	$ 1.00
Net income per Unit – diluted	$ 0.59	$ 0.84	$ 0.78	$ 1.00
ERPOP [Member]
Net income	$ 232,678	$ 328,040	$ 306,476	$ 388,404
Net (income) loss attributable to Noncontrolling Interests – Partially Owned Properties	(944)	(741)	(1,583)	(1,423)
Allocation to Preference Units	(773)	(772)	(1,545)	(1,545)
Numerator for net income per Unit – basic and diluted	$ 230,961	$ 326,527	$ 303,348	$ 385,436
Denominator for net income per Unit – basic	387,664	385,856	387,531	385,594
Dilutive Securities Options	1,698	1,964	1,863	1,773
ATM forward sales	1	0	69	0
Denominator for net income per share – diluted	389,363	387,820	389,463	387,367
Net income per Unit – basic	$ 0.59	$ 0.84	$ 0.78	$ 1.00
Net income per Unit – diluted	$ 0.59	$ 0.84	$ 0.78	$ 1.00

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Commitments and Contingencies - Summary of Real Estate Development Commitments (Details) $ in Thousands	Jun. 30, 2022 USD ($) Project Apartment
Projects Under Development Consolidated [Member]
Projects/Investments/Units/Remaining Commitments schedule
Number of consolidated apartment units in various stages of development | Apartment	537
Consolidated project under development commitment fund | $	$ 195,487
Number of consolidated projects in various stages of development | Project	2
Projects Under Development Unconsolidated [Member]
Projects/Investments/Units/Remaining Commitments schedule
Number of unconsolidated apartment units in various stages of development | Apartment	1,291
Unconsolidated project under development commitment fund | $	$ 291,066
Number of unconsolidated projects in various stages of development | Project	4
Projects Under Development [Member]
Projects/Investments/Units/Remaining Commitments schedule
Apartment Units | Apartment	1,828
Project under development commitment fund | $	$ 486,553
Number of projects in various stages of development | Project	6

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Commitments and Contingencies - Summary of Real Estate Development Commitments (Parenthetical) (Details) $ in Millions	Jun. 30, 2022 USD ($)
Projects/Investments/Units/Remaining Commitments schedule
Total project costs remaining under development commitment fund	$ 486.6
Parent
Projects/Investments/Units/Remaining Commitments schedule
Total project costs remaining under development commitment fund	161.1
Corporate Joint Venture
Projects/Investments/Units/Remaining Commitments schedule
Total project costs remaining under development commitment fund	6.3
Construction Loans
Projects/Investments/Units/Remaining Commitments schedule
Total project costs remaining under development commitment fund	$ 319.2

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Commitments and Contingencies - Additional Information (Details) $ in Millions	6 Months Ended
	Jun. 30, 2022 USD ($) Investment
Commitments And Contingencies [Abstract]
Number of real estate technology investment funds	8
Number of other real estate investment funds	1
Real estate technology and other real estate investments commitment funds | $	$ 24.7

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Reportable Segments - Additional Information (Details) - Customer	6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021
Segment Reporting Information [Line Items]
Number of customer contributed 10% or more of total revenue	0	0
Non-residential Leases [Member] | Revenue [Member] | Revenue Concentration Risk [Member]
Segment Reporting Information [Line Items]
Concentration risk, percentage	3.80%

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Reportable Segments - Reconciliation of NOI from Rental Real Estate Specific to Continuing Operations (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Segment Reporting Reconciling Item For Operating Profit Loss From Segment To Consolidated [Line Items]
Rental income	$ 687,030	$ 598,059	$ 1,340,378	$ 1,195,661
Property and maintenance expense	(116,355)	(107,746)	(241,229)	(224,800)
Real estate taxes and insurance expense	(101,850)	(97,401)	(202,538)	(200,871)
Operating income	309,934	376,844	459,672	512,404
Same Store, Non-same Store and Other
Segment Reporting Reconciling Item For Operating Profit Loss From Segment To Consolidated [Line Items]
Rental income	687,030	598,059	1,340,378	1,195,661
Property and maintenance expense	(116,355)	(107,746)	(241,229)	(224,800)
Real estate taxes and insurance expense	(101,850)	(97,401)	(202,538)	(200,871)
Total operating expenses	(218,205)	(205,147)	(443,767)	(425,671)
Operating income	$ 468,825	$ 392,912	$ 896,611	$ 769,990

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Reportable Segments - NOI from Our Rental Real Estate for Each Segment Specific to Continuing Operations (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021	Dec. 31, 2021
Segment Reporting Information [Line Items]
Rental income	$ 687,030	$ 598,059	$ 1,340,378	$ 1,195,661
Operating income	309,934	376,844	459,672	512,404
Total Assets	20,574,345		20,574,345		$ 21,169,241
Same Store
Segment Reporting Information [Line Items]
Rental income	645,797	568,365	1,258,233	1,136,537
Operating expenses	201,365	195,328	408,849	397,762
Operating income	444,432	373,037	849,384	738,775
Total Assets	17,572,767		17,572,767
Capital Expenditures			77,137
Non-same store/other
Segment Reporting Information [Line Items]
Rental income	41,233	29,694	82,145	59,124
Operating expenses	16,840	9,819	34,918	27,909
Operating income	24,393	19,875	47,227	31,215
Total Assets	3,001,578		3,001,578
Capital Expenditures			6,167
Same Store, Non-same Store and Other
Segment Reporting Information [Line Items]
Rental income	687,030	598,059	1,340,378	1,195,661
Operating expenses	218,205	205,147	443,767	425,671
Operating income	468,825	392,912	896,611	769,990
Total Assets	20,574,345		20,574,345
Capital Expenditures			83,304
Los Angeles | Same Store
Segment Reporting Information [Line Items]
Rental income	125,767	106,873	241,119	213,291
Operating expenses	35,692	34,509	72,466	70,202
Operating income	90,075	72,364	168,653	143,089
Total Assets	2,748,850		2,748,850
Capital Expenditures			14,728
Orange County | Same Store
Segment Reporting Information [Line Items]
Rental income	31,252	26,669	60,018	52,510
Operating expenses	6,381	6,096	12,805	12,411
Operating income	24,871	20,573	47,213	40,099
Total Assets	362,679		362,679
Capital Expenditures			2,643
San Diego | Same Store
Segment Reporting Information [Line Items]
Rental income	21,470	19,188	42,410	37,928
Operating expenses	4,626	4,543	9,555	9,176
Operating income	16,844	14,645	32,855	28,752
Total Assets	228,219		228,219
Capital Expenditures			1,828
Subtotal - Southern California | Same Store
Segment Reporting Information [Line Items]
Rental income	178,489	152,730	343,547	303,729
Operating expenses	46,699	45,148	94,826	91,789
Operating income	131,790	107,582	248,721	211,940
Total Assets	3,339,748		3,339,748
Capital Expenditures			19,199
San Francisco | Same Store
Segment Reporting Information [Line Items]
Rental income	105,402	93,784	206,018	188,762
Operating expenses	30,050	28,982	61,588	59,386
Operating income	75,352	64,802	144,430	129,376
Total Assets	3,114,937		3,114,937
Capital Expenditures			13,003
Washington D.C. | Same Store
Segment Reporting Information [Line Items]
Rental income	103,022	97,423	203,494	194,911
Operating expenses	34,172	31,701	68,073	64,309
Operating income	68,850	65,722	135,421	130,602
Total Assets	3,120,459		3,120,459
Capital Expenditures			13,391
New York | Same Store
Segment Reporting Information [Line Items]
Rental income	112,865	94,473	218,855	188,676
Operating expenses	48,559	48,258	99,705	98,235
Operating income	64,306	46,215	119,150	90,441
Total Assets	3,700,473		3,700,473
Capital Expenditures			12,422
Seattle | Same Store
Segment Reporting Information [Line Items]
Rental income	70,128	62,603	137,255	126,450
Operating expenses	19,512	19,999	38,837	40,434
Operating income	50,616	42,604	98,418	86,016
Total Assets	2,106,727		2,106,727
Capital Expenditures			8,761
Boston | Same Store
Segment Reporting Information [Line Items]
Rental income	65,066	57,777	127,660	115,089
Operating expenses	19,443	18,530	39,881	38,077
Operating income	45,623	39,247	87,779	77,012
Total Assets	1,708,006		1,708,006
Capital Expenditures			9,799
Denver | Same Store
Segment Reporting Information [Line Items]
Rental income	10,825	9,575	21,404	18,920
Operating expenses	2,930	2,710	5,939	5,532
Operating income	7,895	6,865	15,465	13,388
Total Assets	482,417		482,417
Capital Expenditures			562
Non-same store | Non-same store/other
Segment Reporting Information [Line Items]
Rental income	40,501	3,436	77,019	5,186
Operating expenses	15,646	1,660	31,614	2,299
Operating income	24,855	1,776	45,405	2,887
Total Assets	2,421,668		2,421,668
Capital Expenditures			6,053
Other | Non-same store/other
Segment Reporting Information [Line Items]
Rental income	732	26,258	5,126	53,938
Operating expenses	1,194	8,159	3,304	25,610
Operating income	(462)	$ 18,099	1,822	$ 28,328
Total Assets	$ 579,910		579,910
Capital Expenditures			$ 114

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Reportable Segments - NOI from Our Rental Real Estate for Each Segment Specific to Continuing Operations (Parenthetical) (Details) - Property	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Segment Reporting Disclosure Of Entitys Reportable Segments [Abstract]
Units in same store properties	74,057	74,057	74,057	74,057

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Subsequent Events - Additional Information (Details) $ in Millions		6 Months Ended
	Jul. 01, 2022 USD ($) Property ApartmentUnit	Jun. 30, 2022
Subsequent Event [Line Items]
Debt instrument, redemption, description		The redemption is expected to occur in the third quarter of 2022 and will be funded from disposition proceeds
Subsequent Events [Member]
Subsequent Event [Line Items]
Number of properties disposed | Property	1
Number of property units disposed | ApartmentUnit	455
Sales Price	$ 415.0
Forward starting swaps to hedge changes in interest rates	200.0
Subsequent Events [Member] | Unsecured Notes Due In 2023 [Member]
Subsequent Event [Line Items]
Debt instrument redemption, principal amount	$ 500.0