Per Share and Per Unit Data (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Per Share And Per Unit Data
Net Income attributable to Common Stockholders - Basic	$ 731,702	$ 451,827
Net Income attributable to Common Stockholders - Diluted	$ 731,702	$ 451,827
Weighted average shares outstanding - basic	325,911,525	326,954,294
Weighted Average Shares Outstanding - Diluted	325,911,525	326,954,294
Dividends
Total dividends/distributions paid per common share/unit	$ 1.95	$ 1.80
Simon Property Group, L.P.
Per Share And Per Unit Data
Net Income attributable to Common Stockholders - Basic	$ 841,359	$ 517,180
Net Income attributable to Common Stockholders - Diluted	$ 841,359	$ 517,180
Weighted average shares outstanding - basic	374,754,605	374,245,604
Weighted Average Shares Outstanding - Diluted	374,754,605	374,245,604