Consolidated Balance Sheets - USD ($) $ in Thousands	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
Short-term investments	1,000,000
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:
Mortgages and unsecured indebtedness	26,033,423	24,960,286
Accounts payable, accrued expenses, intangibles, and deferred revenues	1,693,248	1,491,583
Cash distributions and losses in unconsolidated entities, at equity	1,760,922	1,699,828
Dividend payable	1,842	1,997
Lease liabilities	484,861	497,953
Other liabilities	621,601	535,736
Total liabilities	30,595,897	29,187,383
Commitments and contingencies
Limited partners' preferred interest in the Operating Partnership and noncontrolling redeemable interests	195,949	212,239
Capital stock (850,000,000 total shares authorized, $0.0001 par value, 238,000,000 shares of excess common stock, 100,000,000 authorized shares of preferred stock):
Series J 83/8% cumulative redeemable preferred stock, 1,000,000 shares authorized, 796,948 issued and outstanding with a liquidation value of $39,847	41,106	41,435
Capital in excess of par value	11,406,236	11,232,881
Accumulated deficit	(6,095,576)	(5,926,974)
Accumulated other comprehensive loss	(172,787)	(164,873)
Common stock held in treasury, at cost, 16,983,364 and 15,959,628 shares, respectively	(2,156,178)	(2,043,979)
Total stockholders' equity	3,022,834	3,138,524
Noncontrolling interests	468,815	473,128
Total equity	3,491,649	3,611,652
Total liabilities and equity	34,283,495	33,011,274
TRG
ASSETS:
Investment, in equity	3,049,719	3,074,345
Klepierre
ASSETS:
Investment, in equity	1,527,872	1,561,112
Unconsolidated Investments excluding Klepierre and TRG
ASSETS:
Investment, in equity	3,540,648	3,511,263
Simon Property Group, L.P.
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
Short-term investments	1,000,000
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:
Mortgages and unsecured indebtedness	26,033,423	24,960,286
Accounts payable, accrued expenses, intangibles, and deferred revenues	1,693,248	1,491,583
Cash distributions and losses in unconsolidated entities, at equity	1,760,922	1,699,828
Dividend payable	1,842	1,997
Lease liabilities	484,861	497,953
Other liabilities	621,601	535,736
Total liabilities	30,595,897	29,187,383
Commitments and contingencies
Limited partners' preferred interest in the Operating Partnership and noncontrolling redeemable interests	195,949	212,239
Capital stock (850,000,000 total shares authorized, $0.0001 par value, 238,000,000 shares of excess common stock, 100,000,000 authorized shares of preferred stock):
Preferred units, 796,948 units outstanding. Liquidation value of $39,847	41,106	41,435
General Partner, 325,920,522 and 326,953,791 units outstanding, respectively	2,981,728	3,097,089
Limited Partners, 48,913,717 and 47,302,958 units outstanding, respectively	447,494	448,076
Total partners' equity	3,470,328	3,586,600
Nonredeemable noncontrolling interests in properties, net	21,321	25,052
Total equity	3,491,649	3,611,652
Total liabilities and equity	34,283,495	33,011,274
Simon Property Group, L.P. | TRG
ASSETS:
Investment, in equity	3,049,719	3,074,345
Simon Property Group, L.P. | Klepierre
ASSETS:
Investment, in equity	1,527,872	1,561,112
Simon Property Group, L.P. | Unconsolidated Investments excluding Klepierre and TRG
ASSETS:
Investment, in equity	3,540,648	3,511,263
Common stock
Capital stock (850,000,000 total shares authorized, $0.0001 par value, 238,000,000 shares of excess common stock, 100,000,000 authorized shares of preferred stock):
Common stock	33	34
Class B common stock
Capital stock (850,000,000 total shares authorized, $0.0001 par value, 238,000,000 shares of excess common stock, 100,000,000 authorized shares of preferred stock):
Common stock