Investments in Unconsolidated Entities and International Investments - Combined Balance Sheets (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022
ASSETS:
Investment properties, at cost	$ 39,285,138	$ 38,326,912
Less - accumulated depreciation	17,716,788	16,563,749
Investment properties, at cost, net	21,568,350	21,763,163
Cash and cash equivalents	1,168,991	621,628
Tenant receivables and accrued revenue, net	826,126	823,540
Right-of-use assets, net	484,073	496,930
Deferred costs and other assets	1,117,716	1,159,293
Total assets	34,283,495	33,011,274
Liabilities and Partners' Deficit:
Mortgages	26,033,423	24,960,286
Accounts payable, accrued expenses, intangibles, and deferred revenues	1,693,248	1,491,583
Lease liabilities	484,861	497,953
Other liabilities	621,601	535,736
Total liabilities	30,595,897	29,187,383
Preferred units	195,949	212,239
Total liabilities and equity	34,283,495	33,011,274
Unconsolidated properties | Equity Method Investees excluding Jamestown, Klepierre, TRG and other platform investments
Our Share of:
Partners' deficit	(1,258,809)	(1,232,086)
Add: Excess Investment	1,173,852	1,219,117
Our net (deficit) Investment in unconsolidated entities, at equity	(84,957)	(12,969)
Unconsolidated properties | Equity Method Investees excluding Jamestown, Klepierre, TRG and other platform investments
ASSETS:
Investment properties, at cost	19,315,578	19,256,108
Less - accumulated depreciation	8,874,745	8,490,990
Investment properties, at cost, net	10,440,833	10,765,118
Cash and cash equivalents	1,372,377	1,445,353
Tenant receivables and accrued revenue, net	505,933	546,025
Right-of-use assets, net	126,539	143,526
Deferred costs and other assets	537,943	482,375
Total assets	12,983,625	13,382,397
Liabilities and Partners' Deficit:
Mortgages	14,282,839	14,569,921
Accounts payable, accrued expenses, intangibles, and deferred revenues	1,032,217	961,984
Lease liabilities	116,535	133,096
Other liabilities	368,582	446,064
Total liabilities	15,800,173	16,111,065
Preferred units	67,450	67,450
Partners' deficit	(2,883,998)	(2,796,118)
Total liabilities and equity	$ 12,983,625	$ 13,382,397
Unconsolidated properties | Maximum
Our Share of:
Estimated life of investment property	40 years