Real Estate - Investments in Real Estate Properties (Detail) ft² in Thousands, $ in Thousands		Mar. 31, 2022 USD ($) ft² a Building	Dec. 31, 2021 USD ($) ft² a Building
Real Estate Properties [Line Items]
Total investments in real estate properties		$ 53,543,018	$ 53,005,190
Less accumulated depreciation		7,941,540	7,668,187
Net investments in real estate properties		45,601,478	45,337,003
Improved Land [Member]
Real Estate Properties [Line Items]
Total investments in real estate properties		$ 12,333,782	$ 12,294,246
Building and Improvements [Member]
Real Estate Properties [Line Items]
Square Feet | ft²		446,572	444,413
Number of buildings | Building		2,308	2,310
Total investments in real estate properties		$ 32,417,344	$ 32,159,514
Development Portfolio, Including Cost of Land: Pre-stabilized [Member]
Real Estate Properties [Line Items]
Square Feet | ft²		8,752	6,325
Number of buildings | Building		27	16
Total investments in real estate properties		$ 974,598	$ 710,091
Properties Under Development [Member]
Real Estate Properties [Line Items]
Square Feet | ft²		30,429	28,638
Number of buildings | Building		97	83
Total investments in real estate properties		$ 2,294,107	$ 2,019,249
Land [Member]
Real Estate Properties [Line Items]
Square Feet | a		6,196	6,227
Total investments in real estate properties	[1]	$ 2,513,854	$ 2,519,590
Other Real Estate Investments [Member]
Real Estate Properties [Line Items]
Total investments in real estate properties	[2]	$ 3,009,333	$ 3,302,500

[1] At March 31, 2022 and December 31, 2021, our land was comprised of 6,196 and 6,227 acres, respectively.

[2] Included in other real estate investments were: (i) non-strategic real estate assets acquired that we do not intend to operate long-term; (ii) land parcels we own and lease to third parties; (iii) non-industrial real estate assets that we intend to redevelop into industrial properties; and (iv) costs associated with potential acquisitions and future development projects, including purchase options on land.