Per Share and Per Unit Data (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Per Share And Per Unit Data
Net Income attributable to Common Stockholders - Basic	$ 493,465	$ 486,343	$ 1,225,167	$ 938,170
Net Income attributable to Common Stockholders - Diluted	$ 493,465	$ 486,343	$ 1,225,167	$ 938,170
Weighted average shares outstanding - basic	326,038,544	327,189,785	325,975,035	327,072,690
Weighted Average Shares Outstanding - Diluted	326,038,544	327,189,785	325,975,035	327,072,690
Simon Property Group, L.P.
Per Share And Per Unit Data
Net Income attributable to Common Stockholders - Basic	$ 567,384	$ 556,556	$ 1,408,744	$ 1,073,736
Net Income attributable to Common Stockholders - Diluted	$ 567,384	$ 556,556	$ 1,408,744	$ 1,073,736
Weighted average shares outstanding - basic	374,882,354	374,423,175	374,818,480	374,334,880
Weighted Average Shares Outstanding - Diluted	374,882,354	374,423,175	374,818,480	374,334,880