Investments in Unconsolidated Entities and International Investments - Combined Statements of Operations (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
REVENUE:
Lease income	$ 1,194,700	$ 1,158,825	$ 2,402,566	$ 2,303,883
Other income	56,331	69,260	116,799	138,856
Total revenue	1,279,842	1,254,146	2,575,763	2,494,097
EXPENSES:
Property operating	112,408	96,073	216,071	182,692
Depreciation and amortization	298,273	315,732	608,436	631,470
Real estate taxes	111,989	114,695	223,680	230,706
Repairs and maintenance	20,050	19,036	42,354	40,391
Advertising and promotion	20,064	19,565	45,327	49,050
Other	33,421	29,369	75,836	52,926
Total operating expenses	653,081	649,423	1,328,611	1,284,763
OPERATING INCOME BEFORE OTHER ITEMS	626,761	604,723	1,247,152	1,209,334
Interest expense	(187,316)	(200,419)	(372,473)	(402,435)
Gain on sale or disposal of, or recovery on, assets and interests in unconsolidated entities, net	(17,875)		(16,384)	93,057
CONSOLIDATED NET INCOME	569,480	705,869	1,057,790	1,216,329
Income from Unconsolidated Entities	190,073	348,545	271,257	363,614
Unconsolidated properties | Equity Method Investees excluding Klepierre and TRG and other platform investments
EXPENSES:
Third-Party Investors' Share of Net Income	93,041	92,745	197,697	160,886
Our Share of Net Income	92,795	90,769	199,000	158,219
Amortization of Excess Investment	(15,086)	(15,268)	(30,225)	(34,595)
Our Share of Gain on Sale or Disposal of Assets and Interest in Other Income in the Consolidated Financial Statements		(14,941)		(14,941)
Income from Unconsolidated Entities	77,709	60,560	168,775	108,683
Unconsolidated properties | Equity Method Investees excluding Klepierre and TRG and other platform investments
REVENUE:
Lease income	714,215	681,349	1,431,985	1,334,103
Other income	73,506	64,694	186,090	137,293
Total revenue	787,721	746,043	1,618,075	1,471,396
EXPENSES:
Property operating	142,697	136,129	292,212	269,166
Depreciation and amortization	164,913	170,443	335,474	341,597
Real estate taxes	63,365	68,123	128,689	137,021
Repairs and maintenance	19,209	16,304	40,690	35,350
Advertising and promotion	16,247	14,797	35,565	34,241
Other	47,867	37,657	96,710	69,643
Total operating expenses	454,298	443,453	929,340	887,018
OPERATING INCOME BEFORE OTHER ITEMS	333,423	302,590	688,735	584,378
Interest expense	(147,587)	(152,447)	(292,038)	(298,644)
Gain on sale or disposal of, or recovery on, assets and interests in unconsolidated entities, net		33,371		33,371
CONSOLIDATED NET INCOME	$ 185,836	$ 183,514	$ 396,697	$ 319,105