Investments in Unconsolidated Entities and International Investments - Combined Balance Sheets (Details) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2024	Dec. 31, 2023
ASSETS:
Investment properties, at cost	$ 39,939,215	$ 39,285,138
Less - accumulated depreciation	18,625,523	17,716,788
Investment properties, at cost, net	21,313,692	21,568,350
Cash and cash equivalents	2,170,102	1,168,991
Tenant receivables and accrued revenue, net	767,756	826,126
Right-of-use assets, net	521,386	484,073
Deferred costs and other assets	1,241,096	1,117,716
Total assets	33,275,918	34,283,495
Liabilities and Partners' Deficit:
Mortgages	25,417,558	26,033,423
Accounts payable, accrued expenses, intangibles, and deferred revenues	1,619,747	1,693,248
Lease liabilities	522,091	484,861
Other liabilities	658,282	621,601
Total liabilities	29,953,682	30,595,897
Preferred units	182,879	195,949
Total liabilities and equity	33,275,918	34,283,495
Unconsolidated properties | Equity Method Investees excluding Jamestown, Klepierre, TRG and other platform investments
Our Share of:
Partners' deficit	(1,194,144)	(1,258,809)
Add: Excess Investment	1,109,624	1,173,852
Our net (deficit) Investment in unconsolidated entities, at equity	(84,520)	(84,957)
Unconsolidated properties | Equity Method Investees excluding Jamestown, Klepierre, TRG and other platform investments
ASSETS:
Investment properties, at cost	19,550,692	19,315,578
Less - accumulated depreciation	9,183,068	8,874,745
Investment properties, at cost, net	10,367,624	10,440,833
Cash and cash equivalents	1,260,075	1,372,377
Tenant receivables and accrued revenue, net	503,076	505,933
Right-of-use assets, net	117,035	126,539
Deferred costs and other assets	566,932	537,943
Total assets	12,814,742	12,983,625
Liabilities and Partners' Deficit:
Mortgages	14,104,896	14,282,839
Accounts payable, accrued expenses, intangibles, and deferred revenues	974,080	1,032,217
Lease liabilities	107,418	116,535
Other liabilities	380,694	368,582
Total liabilities	15,567,088	15,800,173
Preferred units	67,450	67,450
Partners' deficit	(2,819,796)	(2,883,998)
Total liabilities and equity	$ 12,814,742	$ 12,983,625
Unconsolidated properties | Maximum
Our Share of:
Estimated life of investment property	40 years