Schedule III - Consolidated Financial Statement Schedule of Rental Properties and Accumulated Depreciation Rollforward (Details) - USD ($)	12 Months Ended
	Dec. 31, 2021		Dec. 31, 2020	Dec. 31, 2019
Rental Properties and Current, Near-Term and Future Value-Creation Projects
Balance at beginning of period	$ 21,274,810,000		$ 17,552,956,000	$ 14,181,780,000
Acquisitions (including real estate, land, and joint venture consolidation)	5,405,569,000		2,825,537,000	2,240,376,000
Additions to real estate	2,267,848,000		1,505,152,000	1,143,035,000
Deductions (including dispositions and direct financing leases)	(196,317,000)		(608,835,000)	(12,235,000)
Balance at end of period	28,751,910,000	[1]	21,274,810,000	17,552,956,000
Accumulated Depreciation
Balance at beginning of period	3,182,438,000		2,708,918,000	2,268,087,000
Depreciation expense on properties	607,927,000		530,226,000	448,661,000
Sale of properties	(19,124,000)		(56,706,000)	(7,830,000)
Balance at end of period	$ 3,771,241,000	[2]	$ 3,182,438,000	$ 2,708,918,000

[1] As of December 31, 2021, the total cost of our real estate assets aggregated $28.8 billion, which was less than the cost of real estate for federal income tax purposes aggregating $29.3 billion by approximately $578.4 million.

[2] The depreciable life ranges up to 40 years for buildings and improvements, up to 20 years for land improvements, and the term of the respective lease for tenant improvements.