Schedule III - Real Estate and Accumulated Depreciation-Overall Summary (Details)	Dec. 31, 2023 USD ($) ApartmentUnit Property	Dec. 31, 2022 USD ($)	Dec. 31, 2021 USD ($)	Dec. 31, 2020 USD ($)
Overall summary of real estate and accumulated depreciation
Investment in Real Estate, Gross	$ 28,712,638,000	$ 28,088,754,000	$ 28,272,906,000	$ 27,203,325,000
Accumulated Depreciation	$ (9,810,337,000)	$ (9,027,850,000)	$ (8,354,282,000)	$ (7,859,657,000)
Investment in Real Estate - Wholly Owned Unencumbered [Member]
Overall summary of real estate and accumulated depreciation
Properties | Property	255
Units | ApartmentUnit	68,916
Investment in Real Estate, Gross	$ 24,800,990,957
Accumulated Depreciation	(8,491,300,503)
Investment in Real Estate, Net	16,309,690,454
Encumbrances	$ 0
Investment in Real Estate - Wholly Owned Encumbered [Member]
Overall summary of real estate and accumulated depreciation
Properties | Property	33
Units | ApartmentUnit	8,215
Investment in Real Estate, Gross	$ 3,097,180,778
Accumulated Depreciation	(1,052,189,478)
Investment in Real Estate, Net	2,044,991,300
Encumbrances	$ 1,604,630,478
Wholly Owned Properties
Overall summary of real estate and accumulated depreciation
Properties | Property	288
Units | ApartmentUnit	77,131
Investment in Real Estate, Gross	$ 27,898,171,735
Accumulated Depreciation	(9,543,489,981)
Investment in Real Estate, Net	18,354,681,754
Encumbrances	$ 1,604,630,478
Investment in Real Estate - Partially Owned Unencumbered [Member]
Overall summary of real estate and accumulated depreciation
Properties | Property	13
Units | ApartmentUnit	2,792
Investment in Real Estate, Gross	$ 779,454,558
Accumulated Depreciation	(244,736,257)
Investment in Real Estate, Net	534,718,301
Encumbrances	$ 0
Investment in Real Estate - Partially Owned Encumbered [Member]
Overall summary of real estate and accumulated depreciation
Properties | Property	1
Units | ApartmentUnit	268
Investment in Real Estate, Gross	$ 35,011,634
Accumulated Depreciation	(22,111,181)
Investment in Real Estate, Net	12,900,453
Encumbrances	$ 28,271,943
NONCONTROLLING INTERESTS - PARTIALLY OWNED PROPERTIES
Overall summary of real estate and accumulated depreciation
Properties | Property	14
Units | ApartmentUnit	3,060
Investment in Real Estate, Gross	$ 814,466,192
Accumulated Depreciation	(266,847,438)
Investment in Real Estate, Net	547,618,754
Encumbrances	$ 28,271,943
Unencumbered Properties [Member]
Overall summary of real estate and accumulated depreciation
Properties | Property	268
Units | ApartmentUnit	71,708
Investment in Real Estate, Gross	$ 25,580,445,515
Accumulated Depreciation	(8,736,036,760)
Investment in Real Estate, Net	16,844,408,755
Encumbrances	$ 0
Encumbered Properties [Member]
Overall summary of real estate and accumulated depreciation
Properties | Property	34
Units | ApartmentUnit	8,483
Investment in Real Estate, Gross	$ 3,132,192,412
Accumulated Depreciation	(1,074,300,659)
Investment in Real Estate, Net	2,057,891,753
Encumbrances	$ 1,632,902,421
Total Consolidated Investment in Real Estate [Member]
Overall summary of real estate and accumulated depreciation
Properties | Property	302
Units | ApartmentUnit	80,191
Investment in Real Estate, Gross	$ 28,712,637,927
Accumulated Depreciation	(9,810,337,419)
Investment in Real Estate, Net	18,902,300,508
Encumbrances	$ 1,632,902,421