| Metric | Nov 1, 2024 FY24 Q3 | Feb 4, 2025 FY24 Q4 | May 12, 2025 FY25 Q1 | Aug 4, 2025 FY25 Q2 | Nov 3, 2025 FY25 Q3 | Feb 2, 2026 FY25 Q4 | May 11, 2026 FY26 Q1 | Aug 10, 2026 FY26 Q2 |
|---|---|---|---|---|---|---|---|---|
| For FY2027 | ||||||||
| Development Activity Summary — Malls and Premium Outlets Redevelopments: Forecasted Investment | — | — | — | — | — | — | — | New“$193,136” |
| Development Activity Summary — The Mills Redevelopments: Forecasted Investment | — | — | — | — | — | — | — | New“$7,058” |
| Development Activity Summary — Total Investment: Forecasted Investment | — | — | — | — | — | — | — | New“$200,194” |
| For FY2026 | ||||||||
| Estimated net income attributable to common stockholders per diluted share | — | — | — | — | — | New“$6.87 to $7.12” | — | — |
| Net income | — | — | — | — | — | New“$6.87 to $7.12 per diluted share” | — | — |
| Development Activity Summary - Malls Redevelopments, Forecasted Investment (our share, in thousands) | — | — | — | — | New“$392,111” | — | — | — |
| Development Activity Summary - Premium Outlets Redevelopments, Forecasted Investment (our share, in thousands) | — | — | — | — | New“$6,191” | — | — | — |
| Development Activity Summary - The Mills Redevelopments, Forecasted Investment (our share, in thousands) | — | — | — | — | New“$11,472” | — | — | — |
| Development Activity Summary - Total Investment, Forecasted (our share, in thousands) | — | — | — | — | New“$409,774” | — | — | — |
| Development Activity Summary - Total Net Cash Investment, Forecasted (our share, in thousands) | — | — | — | — | New“$348,112” | — | — | — |
| Development Activity Summary — Malls and Premium Outlets Redevelopments: Forecasted Investment | — | — | — | — | — | — | — | New“$234,919” |
| Development Activity Summary — Malls and Premium Outlets Redevelopments: Forecasted Investment | — | — | — | — | — | — | — | New“$419,786” |
| Development Activity Summary — Malls and Premium Outlets Redevelopments: Total Forecasted Investment | — | — | — | — | — | — | — | New“$612,922” |
| Development Activity Summary — The Mills Redevelopments: Forecasted Investment | — | — | — | — | — | — | — | New“$2,934” |
| Development Activity Summary — The Mills Redevelopments: Forecasted Investment | — | — | — | — | — | — | — | New“$4,169” |
| Development Activity Summary — The Mills Redevelopments: Total Forecasted Investment | — | — | — | — | — | — | — | New“$11,227” |
| Development Activity Summary — Total Investment: Forecasted Investment | — | — | — | — | — | — | — | New“$237,853” |
| Development Activity Summary — Total Investment: Forecasted Investment | — | — | — | — | — | — | — | New“$423,955” |
| Development Activity Summary — Total Investment: Total Forecasted Investment | — | — | — | — | — | — | — | New“$624,149” |
| Estimated Real Estate FFO per diluted share | — | — | — | — | — | New“$13.00 to $13.25” | Narrowed“$13.10 to $13.25” | — |
| Estimated Real Estate FFO per diluted share (full year outlook) | — | — | — | — | — | — | — | New“$13.20 to $13.30” |
| Quarterly common stock dividend | — | — | — | — | — | — | — | New“$2.25” |
| Quarterly common stock dividend | — | — | — | — | — | — | New“$2.25” | — |
| Quarterly common stock dividend | — | — | — | — | — | New“$2.20” | — | — |
| Quarterly dividend on 8 3/8% Series J Cumulative Redeemable Preferred Stock (NYSE: SPGPrJ) | — | — | — | — | — | — | New“$1.046875 per share” | — |
| Quarterly dividend on 8 3/8% Series J Cumulative Redeemable Preferred Stock (SPGPrJ) | — | — | — | — | — | — | — | New“$1.046875 per share” |
| For FY2025 | ||||||||
| Estimated net income attributable to common stockholders per diluted share | — | New“$6.95” – “$7.20” | — | — | — | — | — | — |
| Estimated net income per diluted share | — | New“$6.95 to $7.20” | — | — | — | — | — | — |
| Development Activity Summary - Malls Redevelopments, Forecasted Investment (our share, in thousands) | — | — | — | — | New“$116,921” | — | — | — |
| Development Activity Summary - Malls Redevelopments, Forecasted Investment (our share, in thousands) | — | — | — | — | New“$369,615” | — | — | — |
| Development Activity Summary - Malls Redevelopments, Forecasted Total Investment (our share, in thousands) | — | — | — | — | New“$761,726” | — | — | — |
| Development Activity Summary - Premium Outlets New Developments, Forecasted Investment (our share, in thousands) | — | — | — | — | New“$1,380” | — | — | — |
| Development Activity Summary - Premium Outlets New Developments, Forecasted Total Investment (our share, in thousands) | — | — | — | — | New“$13,163” | — | — | — |
| Development Activity Summary - Premium Outlets Redevelopments, Forecasted Investment (our share, in thousands) | — | — | — | — | New“$3,095” | — | — | — |
| Development Activity Summary - Premium Outlets Redevelopments, Forecasted Investment (our share, in thousands) | — | — | — | — | New“$7,331” | — | — | — |
| Development Activity Summary - Premium Outlets Redevelopments, Forecasted Total Investment (our share, in thousands) | — | — | — | — | New“$13,522” | — | — | — |
| Development Activity Summary - The Mills Redevelopments, Forecasted Investment (our share, in thousands) | — | — | — | — | New“$10,218” | — | — | — |
| Development Activity Summary - The Mills Redevelopments, Forecasted Investment (our share, in thousands) | — | — | — | — | New“$24,916” | — | — | — |
| Development Activity Summary - The Mills Redevelopments, Forecasted Total Investment (our share, in thousands) | — | — | — | — | New“$36,388” | — | — | — |
| Development Activity Summary - Total Investment, Forecasted (our share, in thousands) | — | — | — | — | New“$131,614” | — | — | — |
| Development Activity Summary - Total Investment, Forecasted (our share, in thousands) | — | — | — | — | New“$415,025” | — | — | — |
| Development Activity Summary - Total Investment, Forecasted Total (our share, in thousands) | — | — | — | — | New“$824,799” | — | — | — |
| Development Activity Summary - Total Net Cash Investment, Forecasted (our share, in thousands) | — | — | — | — | New“$128,830” | — | — | — |
| Development Activity Summary - Total Net Cash Investment, Forecasted (our share, in thousands) | — | — | — | — | New“$390,103” | — | — | — |
| Development Activity Summary - Total Net Cash Investment, Forecasted Total (our share, in thousands) | — | — | — | — | New“$738,215” | — | — | — |
| Estimated Real Estate FFO and Estimated FFO per diluted share | — | New“$12.40” – “$12.65” | — | — | — | — | — | — |
| Estimated Real Estate FFO and FFO per diluted share | — | New“$12.40 to $12.65” | — | — | — | — | — | — |
| Estimated Real Estate FFO per diluted share | — | — | — | New“$12.45 to $12.65” | Raised“$12.60 to $12.70” | — | — | — |
| Malls - Redevelopments: Forecasted Investment | — | New“$535,803” | — | — | — | — | — | — |
| Premium Outlets - New Developments: Forecasted Investment | — | New“$37,134” | — | — | — | — | — | — |
| Premium Outlets - Redevelopments: Forecasted Investment | — | New“$4,004” | — | — | — | — | — | — |
| Quarterly common stock dividend | — | — | — | — | New“$2.20” | — | — | — |
| Quarterly common stock dividend | — | — | — | New“$2.15” | — | — | — | — |
| Quarterly common stock dividend | — | — | New“$2.10” | — | — | — | — | — |
| Quarterly common stock dividend | — | New“$2.10” | — | — | — | — | — | — |
| Quarterly dividend on 8 3/8% Series J Cumulative Redeemable Preferred Stock | — | — | — | New“$1.046875 per share” | — | — | — | — |
| Quarterly dividend on 8 3/8% Series J Cumulative Redeemable Preferred Stock | — | — | New“$1.046875 per share” | — | — | — | — | — |
| Quarterly dividend on 8 3/8% Series J Cumulative Redeemable Preferred Stock (NYSE: SPGPrJ) | — | New“$1.046875 per share” | — | — | — | — | — | — |
| Quarterly dividend on 8 3/8% Series J Cumulative Redeemable Preferred Stock (SPGPrJ) | — | — | — | — | New“$1.046875 per share” | — | — | — |
| Real Estate FFO | — | — | — | — | New“$12.60 to $12.70 per diluted share” | — | — | — |
| Real Estate FFO per diluted share | — | — | New“$12.40 to $12.65 per diluted share” | — | — | — | — | — |
| The Mills - Redevelopments: Forecasted Investment | — | New“$32,915” | — | — | — | — | — | — |
| Total Investment: Forecasted Investment | — | New“$609,856” | — | — | — | — | — | — |
| Total Net Cash Investment: Forecasted | — | New“$552,117” | — | — | — | — | — | — |
| For FY2024 | ||||||||
| Estimated net income attributable to common stockholders per diluted share | New“$7.18” – “$7.28” | — | — | — | — | — | — | — |
| Net income per diluted share | New“$7.18 to $7.28” | — | — | — | — | — | — | — |
| Depreciation and amortization including Simon's share of unconsolidated entities (High End) | New“5.50” | — | — | — | — | — | — | — |
| Estimated FFO per diluted share | New“$12.66” – “$12.76” | — | — | — | — | — | — | — |
| Estimated FFO per diluted share, excluding unrealized losses in fair value adjustments of the Klépierre exchangeable bonds and publicly traded equity instruments, net | New“$12.80” – “$12.90” | — | — | — | — | — | — | — |
| FFO per diluted share | New“$12.80 to $12.90” | — | — | — | — | — | — | — |
| Gain on acquisition of controlling interest, sale or disposal of, or recovery on, assets and interest in unconsolidated entities and impairment, net (High End) | New“(0.02)” | — | — | — | — | — | — | — |
| Malls - Redevelopments: Forecasted Total Investment | — | New“$807,958” | — | — | — | — | — | — |
| Premium Outlets - New Developments: Forecasted Total Investment | — | New“$117,383” | — | — | — | — | — | — |
| Premium Outlets - Redevelopments: Forecasted Total Investment | — | New“$40,504” | — | — | — | — | — | — |
| Quarterly common stock dividend | New“$2.10” | — | — | — | — | — | — | — |
| Quarterly dividend on 8 3/8% Series J Cumulative Redeemable Preferred Stock (NYSE: SPGPrJ) | New“$1.046875 per share” | — | — | — | — | — | — | — |
| The Mills - Redevelopments: Forecasted Total Investment | — | New“$37,365” | — | — | — | — | — | — |
| Total Investment: Forecasted Total Investment | — | New“$1,003,210” | — | — | — | — | — | — |
| Total Net Cash Investment: Forecasted Total | — | New“$858,804” | — | — | — | — | — | — |
| Unrealized losses in fair value adjustments of the Klépierre exchangeable bonds and publicly traded equity instruments, net (High End) | New“0.14” | — | — | — | — | — | — | — |
| No period stated | ||||||||
| Estimated net income attributable to common stockholders per diluted share | — | — | New“$6.67” | Lowered“$6.63” | Raised“$6.74” | Raised“$6.87” | Lowered“$6.61” | Lowered“$6.47” |
| Development Activity Summary — Malls and Premium Outlets Redevelopments: Expected Stabilized Rate of Return | — | — | — | — | — | — | — | New“9%” |
| Development Activity Summary — The Mills Redevelopments: Expected Stabilized Rate of Return | — | — | — | — | — | — | — | New“15%” |
| Estimated Real Estate FFO per diluted share | — | — | New“$12.40” | Raised“$12.45” | Raised“$12.60” | — | Raised“$13.10” | — |
| Estimated Real Estate FFO per share | — | — | — | — | — | — | — | New“$13.20” |
| Malls - Redevelopments: Expected Stabilized Rate of Return | — | New“8%” | — | — | — | — | — | — |
| Malls - Redevelopments: Our Share of Net Investment | — | New“$1,004,036” | — | — | — | — | — | — |
| Premium Outlets - New Developments: Expected Stabilized Rate of Return | — | New“8%” | — | — | — | — | — | — |
| Premium Outlets - New Developments: Our Share of Net Investment | — | New“$184,626” | — | — | — | — | — | — |
| Premium Outlets - Redevelopments: Expected Stabilized Rate of Return | — | New“10%” | — | — | — | — | — | — |
| Premium Outlets - Redevelopments: Our Share of Net Investment | — | New“$57,924” | — | — | — | — | — | — |
| Quarterly dividend on 8 3/8% Series J Cumulative Redeemable Preferred Stock | New“$1.046875 per share” | Reiterated“$1.046875 per share” | — | — | Reiterated“$1.046875 per share” | Reiterated“$1.046875 per share” | Reiterated“$1.046875 per share” | Reiterated“$1.046875 per share” |
| Real Estate FFO per diluted share | — | — | — | — | — | New“$13.00” | — | — |
| The Mills - Redevelopments: Expected Stabilized Rate of Return | — | New“15%” | — | — | — | — | — | — |
| The Mills - Redevelopments: Our Share of Net Investment | — | New“$37,867” | — | — | — | — | — | — |
| Total Investment: Our Share of Net Investment | — | New“$1,284,453” | — | — | — | — | — | — |
| Total Net Cash Investment | — | New“$1,078,416” | — | — | — | — | — | — |