Per Share and Per Unit Data (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023
Per Share And Per Unit Data
Net Income attributable to Common Stockholders - Basic	$ 475,161	$ 594,139	$ 1,700,328	$ 1,532,309
Net Income attributable to Common Stockholders - Diluted	$ 475,161	$ 594,139	$ 1,700,328	$ 1,532,309
Weighted average shares outstanding - Basic	326,157,686	327,158,743	326,036,363	327,101,690
Weighted Average Shares Outstanding - Diluted	326,157,686	327,158,743	326,036,363	327,101,690
Simon Property Group, L.P.
Per Share And Per Unit Data
Net Income attributable to Common Stockholders - Basic	$ 546,479	$ 680,598	$ 1,955,223	$ 1,754,334
Net Income attributable to Common Stockholders - Diluted	$ 546,479	$ 680,598	$ 1,955,223	$ 1,754,334
Weighted average shares outstanding - Basic	375,097,198	374,816,882	374,912,064	374,497,313
Weighted Average Shares Outstanding - Diluted	375,097,198	374,816,882	374,912,064	374,497,313