Business Segments - Segment Reporting, Reconciliation of Revenues, Operating Income and Assets (Detail) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021	Dec. 31, 2021	Dec. 31, 2020
Segment Reporting Information [Line Items]
Total revenues	$ 1,219,128	$ 1,148,316
Operating income	1,205,802	532,197
General and administrative expenses	74,646	78,032
Depreciation and amortization expenses	396,647	397,575
Gains on dispositions of development properties and land, net	210,206	173,643
Gains on other dispositions of investments in real estate, net	584,835	16,623
Earnings from unconsolidated entities, net	76,962	67,049
Interest expense	(64,064)	(71,281)
Interest and other income, net	1,053	4,746
Foreign currency and derivative gains, net	47,356	80,152
Losses on early extinguishment of debt, net	(18,165)	(187,453)
Earnings before income taxes	1,248,944	425,410
Total assets	59,779,871		$ 58,486,220
Investments in and advances to unconsolidated entities	8,679,011		8,610,958
Assets held for sale or contribution	373,664		669,688
Cash and cash equivalents	1,912,750	676,074	556,117	$ 598,086
Other assets	3,212,968		3,312,454
Real Estate Operations [Member]
Segment Reporting Information [Line Items]
Total assets	48,228,492		48,088,165
Operating Segments [Member]
Segment Reporting Information [Line Items]
Operating income	882,054	817,538
Total assets	48,265,715		48,125,728
Operating Segments [Member] | Real Estate Operations [Member]
Segment Reporting Information [Line Items]
Total revenues	1,085,203	1,028,355
Operating income	799,940	747,027
Operating Segments [Member] | Strategic Capital [Member]
Segment Reporting Information [Line Items]
Total revenues	133,925	119,961
Operating income	82,114	70,511
Total assets	37,223		37,563
Operating Segments [Member] | U.S. [Member] | Real Estate Operations [Member]
Segment Reporting Information [Line Items]
Total revenues	1,038,991	975,083
Operating income	771,210	709,303
Total assets	44,170,370		44,136,140
Operating Segments [Member] | U.S. [Member] | Strategic Capital [Member]
Segment Reporting Information [Line Items]
Total revenues	50,635	33,983
Operating income	27,677	8,302
Total assets	11,666		11,984
Operating Segments [Member] | Other Americas [Member] | Real Estate Operations [Member]
Segment Reporting Information [Line Items]
Total revenues	22,191	23,893
Operating income	16,107	17,595
Total assets	1,212,592		1,148,371
Operating Segments [Member] | Other Americas [Member] | Strategic Capital [Member]
Segment Reporting Information [Line Items]
Total revenues	11,653	10,663
Operating income	7,374	7,906
Operating Segments [Member] | Europe [Member] | Real Estate Operations [Member]
Segment Reporting Information [Line Items]
Total revenues	12,008	18,856
Operating income	3,970	13,191
Total assets	1,871,785		1,837,800
Operating Segments [Member] | Europe [Member] | Strategic Capital [Member]
Segment Reporting Information [Line Items]
Total revenues	46,196	43,429
Operating income	32,463	32,171
Total assets	25,280		25,280
Operating Segments [Member] | Asia [Member] | Real Estate Operations [Member]
Segment Reporting Information [Line Items]
Total revenues	12,013	10,523
Operating income	8,653	6,938
Total assets	973,745		965,854
Operating Segments [Member] | Asia [Member] | Strategic Capital [Member]
Segment Reporting Information [Line Items]
Total revenues	25,441	31,886
Operating income	14,600	22,132
Total assets	277		299
Reconciling Items [Member]
Segment Reporting Information [Line Items]
Operating income	1,205,802	532,197
General and administrative expenses	(74,646)	(78,032)
Depreciation and amortization expenses	(396,647)	(397,575)
Gains on dispositions of development properties and land, net	210,206	173,643
Gains on other dispositions of investments in real estate, net	584,835	16,623
Earnings from unconsolidated entities, net	76,962	67,049
Interest expense	(64,064)	(71,281)
Interest and other income, net	1,053	4,746
Foreign currency and derivative gains, net	47,356	80,152
Losses on early extinguishment of debt, net	(18,165)	$ (187,453)
Total assets	11,514,156		10,360,492
Investments in and advances to unconsolidated entities	8,679,011		8,610,958
Assets held for sale or contribution	373,664		669,688
Cash and cash equivalents	1,912,750		556,117
Other assets	$ 548,731		$ 523,729