Equity, Capital and Other Interests (Tables)

12 Months Ended

Dec. 31, 2023

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 years ended December 31, 2023, 2022 and 2021:

	2023			2022			2021
Common Shares
Common Shares outstanding at January 1,		378,429,708			375,527,195			372,302,000
Common Shares Issued:
Conversion of OP Units		1,013,795			452,532			1,354,208
Issuance of Common Shares		—			1,740,550			—
Exercise of share options		495,690			468,021			1,710,692
Employee Share Purchase Plan (ESPP)		68,136			66,835			70,702
Restricted share grants, net		148,474			174,575			89,593
Common Shares Other:
Repurchased and retired		(864,386	)		—			—
Common Shares outstanding at December 31,		379,291,417			378,429,708			375,527,195
Units
Units outstanding at January 1,		12,429,737			12,659,027			13,858,073
Restricted unit grants, net		165,364			223,242			155,162
Conversion of OP Units to Common Shares		(1,013,795	)		(452,532	)		(1,354,208	)
Units outstanding at December 31,		11,581,306			12,429,737			12,659,027
Total Common Shares and Units outstanding at December 31,		390,872,723			390,859,445			388,186,222
Units Ownership Interest in Operating Partnership		3.0	%		3.2	%		3.3	%

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

he following table presents the changes in the redemption value of the Redeemable Noncontrolling Interests – Operating Partnership/Redeemable Limited Partners for the years ended December 31, 2023, 2022 and 2021, respectively (amounts in thousands):

	2023			2022			2021
Balance at January 1,	$	318,273		$	498,977		$	338,951
Change in market value		(7,667	)		(176,490	)		158,598
Change in carrying value		(21,358	)		(4,214	)		1,428
Balance at December 31,	$	289,248		$	318,273		$	498,977

Issued and Outstanding Preferred Shares and Preference Units

The following table presents the Company’s issued and outstanding Preferred Shares/Preference Units as of December 31, 2023 and 2022:

				Amounts in thousands
		Annual
	Call	Dividend Per		December 31,		December 31,
	Date (1)	Share/Unit (2)		2023		2022
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 December 31, 2023 and 2022	12/10/2026	$	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 years ended December 31, 2023, 2022 and 2021:

	2023			2022			2021
General and Limited Partner Units
General and Limited Partner Units outstanding at January 1,		390,859,445			388,186,222			386,160,073
Issued to General Partner:
Issuance of OP Units		—			1,740,550			—
Exercise of EQR share options		495,690			468,021			1,710,692
EQR’s Employee Share Purchase Plan (ESPP)		68,136			66,835			70,702
EQR’s restricted share grants, net		148,474			174,575			89,593
Issued to Limited Partners:
Restricted unit grants, net		165,364			223,242			155,162
General Partner Other:
OP Units repurchased and retired		(864,386	)		—			—
General and Limited Partner Units outstanding at December 31,		390,872,723			390,859,445			388,186,222
Limited Partner Units
Limited Partner Units outstanding at January 1,		12,429,737			12,659,027			13,858,073
Limited Partner restricted unit grants, net		165,364			223,242			155,162
Conversion of Limited Partner OP Units to EQR Common Shares		(1,013,795	)		(452,532	)		(1,354,208	)
Limited Partner Units outstanding at December 31,		11,581,306			12,429,737			12,659,027
Limited Partner Units Ownership Interest in Operating Partnership		3.0	%		3.2	%		3.3	%